Long Term Safety and Efficacy of Sustained Eculizumab Treatment In Patients with Paroxysmal Nocturnal Hemoglobinuria (PNH)

Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 4237-4237 ◽  
Author(s):  
Robert A Brodsky ◽  
Carlos de Castro ◽  
Hubert Schrezenmeier ◽  
Antonio M. Risitano ◽  
Joerg Schubert ◽  
...  

Abstract Abstract 4237 PNH is a chronic, life-threatening, acquired disease associated with deficiency of GPI-anchored complement inhibitory proteins on blood cells. The resulting defective regulation of terminal complement activation is responsible for hemolysis and can lead to thromboembolism (TE), chronic kidney disease (CKD) and pulmonary hypertension. The risk of TE is high, with an observed 6.24 venous TE events per 100 patient years, or approximately 62-fold higher compared to the general population: in fact, TE accounts for 40–67% of PNH related deaths. The effectiveness of anticoagulation (AC) in PNH patients (pts) is uncertain, as AC treated PNH may still experience TE. The terminal complement inhibitor eculizumab reduces intravascular hemolysis rapidly and significantly; it also leads to a reduction in TE events, pulmonary hypertension and improvements in CKD and quality of life. Here, we report on prolonged treatment of PNH patients with eculizumab for safety and sustained patient outcomes. Methods: All pts (N=195) in the PNH eculizumab clinical trials (Pilot (N=11), TRIUMPH (N=87) and SHEPHERD (N=97)) and subsequent Extension studies were assessed for long term safety and efficacy. Median age was 40 yrs, 54% female, 29% had a history of aplastic anemia and 1.5% with history of myelodysplasia. TE was reported in 32% (63/195) of pts prior to eculizumab treatment. There was high adherence to long term treatment; 90% (175/195) of pts completed the parent and extension trials. Results: The median eculizumab treatment duration was 29 mo (1 -66; IQR:23-32m); with a total eculizumab exposure of 474.1 patient-years. Intravascular hemolysis was rapidly reduced in 100% of pts after eculizumab treatment. LDH was reduced from a median of 2,133 U/L (∼10x ULN) at baseline to 310 U/L at 1 month of treatment (P<0.0001) and was sustained at 272U/L at 36 months (P<0.0001). There was an 81% (P<0.0005) reduction in TE events from 52 pre treatment events to 10 trial events using a match time analysis (P<0.0005). Of the 7 (7/195) pts who experienced a TE on drug, 5 had a history of TE and 2 were concomitantly treated with AC. Of pts treated with AC, 59% (58/98) experienced at least 1 TE prior to treatment. In 11 pts who discontinued AC, there were no TE reported with eculizumab treatment during or following AC discontinuation. Prevalence of CKD was reduced from 69% of pts at baseline to 31% (n=29) after 36 months of treatment, consistent with previous results. A fraction of pts still require blood transfusions and a fraction of pts, even without need for blood transfusions, had no significant increase (>1gm/dL) in steady state hemoglobin level over baseline. Eculizumab was well tolerated. Twenty pts (∼10%) did not complete the trial including 9 pts following a reported adverse event (AE). In 16 week follow-up to the 20 pts who discontinued eculizumab treatment, TE was reported in 3 pts, including 1 death. Most AEs (95%) were mild or moderate in severity and 90.8% of adverse events were deemed unrelated to study drug. Frequent AEs were: nasopharyngitis, (40%); headache (37%) and upper respiratory tract infection, (31%). There were 2 cases of meningococcal sepsis and both were successfully treated without sequelae. Serious infections were reported in 21% of pts and 2 pts discontinued therapy due to infections (meningococcal, staphylococcal sepsis: both resolved). Most commonly reported serious infections included pyrexia (4.6%) and viral (3.1%), lower respiratory tract (1.5%) and urinary tract (1.5%) infections. There were 4 patient deaths during treatment. Three deaths were considered not related to study drug and 1 possibly related to study drug by the investigator. Causes of death were progression from myelodysplasia to chronic myelomonocytic leukemia, adenoma progressing to adenocarcinoma, brain herniation following trauma injury, and TE of the small bowel. Conclusion: Long term treatment of PNH pts with eculizumab is associated with a favorable benefit/risk ratio and the clinical benefits demonstrated at earlier timepoints are sustained over 36 months. Improvement in TE and CKD was maintained over 36 months when compared to baseline and previous published data. Considering that thrombosis and CKD have been demonstrated to be significant causes of death in PNH, it is reasonable to expect that eculizumab treatment, by decreasing the risk of thrombosis and improving renal function, may increase the life expectancy of PNH pts. Disclosures: Brodsky: Alexion Pharmaceuticals, Inc: Membership on an entity's Board of Directors or advisory committees. de Castro:Alexion Pharmaceuticals, Inc: Speakers Bureau. Schrezenmeier:Alexion Pharmaceuticals, Inc: Honoraria, Membership on an entity's Board of Directors or advisory committees. Risitano:Alexion Pharmaceuticals, Inc: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding. Schubert:Alexion Pharmaceuticals, Inc: Consultancy, Honoraria. Maciejewski:Alexion Pharmaceuticals, Inc: Consultancy. Duehrsen:Alexion Pharmaceuticals, Inc: Honoraria, Research Funding. Luzzatto:Alexion Pharmaceuticals, Inc: Honoraria, Membership on an entity's Board of Directors or advisory committees. Muus:Alexion Pharmaceuticals, Inc: Membership on an entity's Board of Directors or advisory committees, Research Funding. Szer:Alexion Pharmaceuticals, Inc: Consultancy, Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau. Socié:Alexion Pharmaceuticals, Inc: Consultancy. Hillmen:Alexion Pharmaceuticals, Inc: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding.

Blood ◽  
2013 ◽  
Vol 122 (21) ◽  
pp. 5581-5581
Author(s):  
Normand Blais ◽  
Charles A. Butts ◽  
Mark A. Crowther ◽  
Nanette Cox-Kennett ◽  
Josée Martineau

Abstract Introduction Cancer associated thrombosis (CAT) is the second leading cause of death in cancer patients after death from cancer. Despite multiple available guidelines for CAT management, there remains variability in treatment practices. In order to gain insight on this variability in Canada, a survey was conducted to identify the perceived importance of managing CAT, identify differences in the pharmacological management of CAT, highlight the main barriers to optimal extended treatment and prevention of recurrent venous thromboembolism (VTE), outline challenges associated with long term treatment adherence, and identify predictors of patient non-adherence. Methods A survey was designed targeting physicians involved in the management of CAT. The questionnaire included queries on physician practice, 37 items related to beliefs and attitudes about extended treatment for prevention of recurrence of VTE, and a 30-item patient-specific profile. Results Responses were obtained from 21 professionals from four Canadian provinces (Nova Scotia, Quebec, Ontario, and Alberta); 76% were hematologists and/or oncologists, 14% were internists and 10% were pharmacists. Community and academic centers were well represented. Specific management profiles were obtained for 131 patients. Most care givers felt that VTE recurrence was an important issue deserving extended therapy for most patients. Although more than 90% believed bleeding and recurrent VTE risk should influence the length of treatment, only 62% believe that VTE recurrence risk should modify the type of treatment and 52% were concerned of the risk of bleeding with long term therapy (≥6 months). 71% of respondents believed patients’ lack of awareness of the risk of recurrent VTE reduces adherence to anticoagulant therapy for extended treatment of VTE. Although 100% of respondents detailed giving verbal patient counseling, only 19% provided written information to patients. 95% stated they assessed compliance verbally; less than 20% used more objective measures (pharmacy records, laboratory monitoring). Participants admitted to using results of clinical trials (95%) more than clinical guidelines (48%) as most felt that the published guidelines contained conflicting recommendations. The main drivers of treatment choice were clinical evidence, efficacy, and personal experience. No respondents indicated they preferred to use oral anticoagulants for extended therapy of CAT and 43% believed that LMWHs should not be used interchangeably. Most (95%) stated they follow-up with patients directly to reassess therapy after 3-6 months of treatment. The patient profile information showed the median age of patients was 62 years and 60% were female. Lung cancer, colon cancer, breast cancer, and lymphoma were the most common tumor sites and accounted for 50% of described cases. Cases of deep vein thrombosis (DVT) and pulmonary embolism (PE) were evenly represented and 82% were symptomatic. Most events were temporally related to cancer therapy (69%), presence of a central venous catheter (18%), and recent surgery (17%). Less than 5% of these cases presented with a contraindication to anticoagulation therapy (severe thrombocytopenia, active bleeding) at CAT diagnosis. Most patients were treated in the outpatient setting. Nonetheless, hospitalization was required in 33% of cases with an average patient stay of 10.8 days. Hospitalized patients were preferentially treated with LMWH (84%) and usually stayed on the same regimen upon discharge (8.3 ± 6.4 months). Long term treatment was largely managed with LMWHs (most frequently dalteparin – 80% of all treated patients) while few were managed with vitamin K antagonists (6%) or novel direct antithrombotics (2%). Anticoagulant therapy for outpatients was prescribed for 9.0 ± 7.7 months after the most recent VTE episode. Conclusion In Canada, CAT is believed to be an important complication of cancer. Extended therapy is indicated for most patients with CAT.  Although bleeding risk is perceived as an important reason to modify therapy, contraindications to LMWHs were rare in the reported cases. Uptake of outpatient therapy of CAT is widespread in this country, yet hospitalization is still frequently required at diagnosis and is associated with prolonged inpatient stays. Even if non-adherence to antithrombotic therapy was believed to be rare among patients with CAT, this was rarely rigorously monitored. Disclosures: Blais: Pfizer: Consultancy; Sanofi: Consultancy; Leo: Consultancy. Butts:Pfizer: Consultancy, Honoraria, Speakers Bureau. Crowther:Pfizer: Consultancy, Honoraria, Research Funding; Octapharma: Consultancy, Membership on an entity’s Board of Directors or advisory committees; Merck: Consultancy; Leo Pharma: Consultancy, Honoraria, Membership on an entity’s Board of Directors or advisory committees, Research Funding, Speakers Bureau; CSL Behring: Speakers Bureau; Boehringer Ingelheim: Consultancy, Honoraria, Membership on an entity’s Board of Directors or advisory committees; Baxter: Membership on an entity’s Board of Directors or advisory committees, Speakers Bureau; Asahi Kasai: Membership on an entity’s Board of Directors or advisory committees; Sanofi-Aventis: Consultancy, Honoraria, Membership on an entity’s Board of Directors or advisory committees, Research Funding; Viropharma: Membership on an entity’s Board of Directors or advisory committees. Cox-Kennett:Pfizer: honorarium as a speaker Other. Martineau:Pfizer: honorarium as a speaker Other; Boehringer: honorarium as a speaker, honorarium as a speaker Other; Bayer: honorarium as a speaker, honorarium as a speaker Other; Sanofi: honorarium as a speaker and participated in clinical trial, honorarium as a speaker and participated in clinical trial Other; BMS: honorarium as a speaker Other.


Blood ◽  
2015 ◽  
Vol 126 (23) ◽  
pp. 1054-1054 ◽  
Author(s):  
James B. Bussel ◽  
Shah N. Mahmud ◽  
Sophie L Brigstocke ◽  
Sarah M Torneten

Abstract Background: Thrombopoietin receptor agonists (TPO-RA) eg eltrombopag (Epag), are highly effective treatments of ITP as demonstrated in multiple randomized studies. Studies have shown effective and safe long-term use; toxicity appears tolerable with thromboembolism the most common serious adverse event. An important question is if there will be an indefinite long-term need for treatment with these agents once initiated. The aim of this study is to taper eltrombopag in a single arm study to determine how many and which patients will be able to discontinue treatment over time. It specifically targets patients with adequate counts ie 50-100,000/uL, not waiting for patients whose counts spontaneously increase to high levels and thus indicate that they are being over-dosed. Methods: All patients on eltrombopag at doses of 75 mg daily or less for at least 4 months were offered study entry; only one refused. Initially the study tapered Epag rapidly but then changed to slow tapering over up to 2 years. Patients whose platelet counts were >50,000/uL were tapered at 4 week intervals in 10-20% dose increments. Tapering could be postponed for clinical reasons ie impending procedure or trip, infection skewing count, sports or other physical activity, etc. Analysis was descriptive and t test comparisons used to assess variables associated with successful tapering. Results: Patients were divided into 3 groups: 10 responders (those able to discontinue eltrombopag completely within 2 years, fig 1A), 10 tapering (those still tapering who have reduced their medication but not discontinued it, fig 1B), and 12 non-responders (those who tried and failed to discontinue within 2 years). To complete being a responder required >12 weeks without any ITP treatment, platelet count > 30,000/uL and 20,000/uL more than baseline after the last dose of eltrombopag. Eight of the 10 responders have remained off therapy for more than 1 year with platelet counts consistently > 50,000/uL. No medication was provided in the study. No serious AEs occurred and no serious bleeding events were seen. Fig 1a illustrates the discontinuation of eltrombopag treatment in responders: 4 discontinued within 8 weeks while the longest discontinuation required a full 2 years. Fig 1b shows patients who are tapering eltrombopag but have not reached 2 years by indicating how many are on <70% and <40% of their starting doses; it shows that tapering is typically a slow process but that at least dose reduction can be achieved in many patients even if they do not discontinue their eltrombopag. Table 1 compares means and medians of the 3 groups for a number of clinical variables. While the numbers are small and the results preliminary, it surprisingly shows that patients who have been on eltrombopag longer prior to tapering and those who have received more treatments are more likely to successfully discontinue eltrombopag. In contrast, non-responders failed splenectomy and rituximab more often than did those tapering and responders. Finally AIPF at initiation of study did not predict a successful taper. Summary: A substantial fraction of patients with chronic ITP will be able to successfully taper off eltrombopag; the exact number (somewhere between 10 and 20 of the 32 patients) depends upon the group still tapering. The tapering schedule selected is slow and requires regular monitoring and individualization/flexibility. Even if patients do not fully taper off eltrombopag, they may be able to substantially reduce their dose. We speculate that tapering eltrombopag as outlined here may reduce the toxicity and costs of long-term treatment without diminishing hemostatic efficacy. Table 1. Comparison Table (Responders, Tapering, Non-Responders) Responders (n=10) Tapering (n=10) Non-Responders (n=12) Age (years) (median/average) 29/37.4 11/25.70 21/30.58 Gender (m/f) 3/7 6/4 5/7 Duration ITP (years) (median/average) 8.75/11.95 5.5/17.45 7/8.25 Duration of TPO-RA Therapy (years) (median/average) 5/4.2 5.5/7.45 2.5/3.38 # of prior ITP treatments (median/average) 4.5/5.5 2/2.14 3.5/3.83 # of patients with previous splenectomy 4 0 6 patients with previous Rituximab treatments 5 4 9 Baseline AIPF (tapering counts) (*10E2/uL) (median/average) 81.75/75.5 63/57.43 75/69 Figure 1. Figure 1. Figure 2. Figure 2. Disclosures Bussel: Immunomedics: Research Funding; Shionogi: Membership on an entity's Board of Directors or advisory committees, Research Funding; Ligand: Membership on an entity's Board of Directors or advisory committees, Research Funding; Sysmex: Research Funding; Eisai: Membership on an entity's Board of Directors or advisory committees, Research Funding; Amgen: Membership on an entity's Board of Directors or advisory committees, Research Funding; Cangene: Research Funding; Novartis: Membership on an entity's Board of Directors or advisory committees, Research Funding; Genzyme: Research Funding; BiologicTx: Research Funding; GlaxoSmithKline: Membership on an entity's Board of Directors or advisory committees; Momenta: Membership on an entity's Board of Directors or advisory committees; Symphogen: Membership on an entity's Board of Directors or advisory committees; Protalex: Membership on an entity's Board of Directors or advisory committees.


Blood ◽  
2009 ◽  
Vol 114 (22) ◽  
pp. 4063-4063 ◽  
Author(s):  
M. Domenica Cappellini ◽  
Silverio Perrotta ◽  
Leyla Agaoglu ◽  
Yesim Aydinok ◽  
Marcello Capra ◽  
...  

Abstract Abstract 4063 Poster Board III-998 Background In a large, 1-yr Phase 3 clinical trial, patients (pts) with β-thalassemia (aged ≥2 yrs) were randomized to receive deferasirox (Exjade®) or deferoxamine (DFO), with doses assigned according to baseline liver iron concentration (LIC). Pts completing the 1-yr core were permitted to enter a 4-yr extension; those receiving deferasirox continued on this therapy (deferasirox cohort), while those receiving DFO crossed over to deferasirox (crossover cohort). This analysis evaluates the efficacy and safety of deferasirox over 5 yrs. Methods Based on analyses showing that iron burden and transfusional iron intake need to be considered for appropriate dosing of deferasirox, dose adjustments were permitted in the extension to ensure optimal dosing. Deferasirox dose in the extension was initially based on dose response in the core (deferasirox cohort only) and end-of-core LIC (biopsy or SQUID); subsequent adjustments in steps of 5–10 mg/kg/day were based on serum ferritin (SF) levels and safety markers. Efficacy was assessed by monthly SF levels and LIC at baseline, end of 1-year core and end of study (EOS) (or upon discontinuation). Safety was assessed by incidence and type of adverse events (AEs) and changes in laboratory parameters. Results 296 pts (deferasirox cohort) and 259 pts (crossover cohort) received ≥1 dose of deferasirox; 181 (61%) & 190 (73%) pts from each cohort respectively completed the extension. Most common reasons for discontinuation: consent withdrawal (n=62) and AEs (n=43). Most common AEs leading to discontinuation: increased ALT [n=5], increased transaminases [n=4], glycosuria [n=4]. 2 deaths occurred during the extension in the deferasirox cohort (cardiac failure, cardiomyopathy); 2 in the crossover cohort (cardio-respiratory arrest, road traffic accident); none considered to be related to study drug. Median duration of deferasirox treatment was 61.2 & 48.1 mths in deferasirox & crossover cohorts, respectively. At start of deferasirox, mean LIC was 14.0 ± 9.8 & 10.4 ± 7.6 mg Fe/g dry weight (dw) and median SF was 2211 & 1758 ng/mL in deferasirox and crossover cohorts, respectively. Transfusion requirements at start of deferasirox were comparable; most pts (81% & 83%, respectively) receiving 7–14 mL/kg/mth. Mean deferasirox dose during study: 21.6 ± 6.4 & 23.2 ± 5.9 mg/kg/d (final actual dose: 24.4 ± 8.7 & 27.0 ± 8.0 mg/kg/d) in deferasirox and crossover groups, respectively. Most pts were receiving 15–<35 mg/kg/day at EOS (75% & 78%, respectively); 11% & 17% were receiving ≥35 mg/kg/day. In pts who received at least 5 yrs of deferasirox and at least 4 yrs in the crossover group, mean absolute change in LIC were –5.3 ± 10.1 mg Fe/g dw (n=173; P<0.001) & –2.4 ± 7.6 mg Fe/g dw (n=99; P<0.001) and median absolute change in SF were –775 ng/mL (range: –10164–2572; n=182; P<0.001) & –371 ng/mL (range: –4498–2636; n=151; P<0.001), respectively (Figure). Percentage of pts with LIC<7 mg Fe/g dw increased from 35% to 45% & SF≤1000 ng/mL increased from 12% to 33% from the start of deferasirox to EOS (LIC: EOS, last available value; SF: EOS, average of at most 3 available values after start of deferasirox). Most common drug-related AEs (≥5% overall) after start of deferasirox in deferasirox & crossover cohort, respectively: increased blood creatinine (n=42, 14%; n=20, 8%), nausea (n=28, 10%; n=13, 5%), vomiting (n=18, 6%; n=17, 7%), diarrhea (n=13, 4%; n=15, 6%) & rash (n=17, 6%; n=19, 7%). Frequency of drug-related AEs decreased from year to year. In deferasirox & crossover cohorts, 26 (9%) & 11 (4%) pts had 2 consecutive serum creatinine increases >33% above baseline & upper limit of normal (ULN) & 3 (1%) & 2 (1%) pts had ALT >10 x ULN on 2 consecutive visits, respectively, after start of deferasirox. Conclusions Long-term treatment with deferasirox (for up to 5 yrs) significantly decreased iron burden in β-thalassemia pts aged ≥2 yrs with an increasing percentage of pts achieving therapeutic goals of LIC<7 mg Fe/g dw and SF≤1000 ng/mL. Significant improvements in LIC and SF were also observed after switching from DFO. Deferasirox was well tolerated over this long-term treatment, and the frequency of AEs decreased over time. Disclosures: Cappellini: Novartis: Membership on an entity's Board of Directors or advisory committees, Speakers Bureau; Genzyme: Membership on an entity's Board of Directors or advisory committees. Perrotta:Novartis: Consultancy, Research Funding. Aydinok:Novartis: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau. Porter:Novartis: Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Vifor International: Membership on an entity's Board of Directors or advisory committees. Piga:Novartis: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Apopharma: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding. Griffel:Novartis Pharmaceuticals: Employment, Equity Ownership. Lagrone:Novartis Pharmaceuticals: Employment. Clark:Novartis Pharma AG: Employment. Kattamis:Novartis: Consultancy, Honoraria, Speakers Bureau.


Blood ◽  
2018 ◽  
Vol 132 (Supplement 1) ◽  
pp. 2732-2732 ◽  
Author(s):  
Jorge E. Cortes ◽  
Cristina Papayannidis ◽  
Catriona Jamieson ◽  
Gary J. Schiller ◽  
Anna Candoni ◽  
...  

Abstract Background: Novel agents are frequently added to standard acute myeloid leukemia (AML) treatment backbones yet it is unclear how much additional toxicity this introduces, with the potential for adverse events (AEs) to be caused by the backbone chemotherapy or the disease itself. Glasdegib (PF-04449913) is an investigational, oral small molecule inhibitor of the Hedgehog (Hh) pathway component Smoothened (SMO), currently in clinical development for AML treatment. In a Phase 2 randomized study, addition of glasdegib to low-dose cytarabine (LDAC) improved overall survival (OS) vs LDAC alone and combination therapy was generally well tolerated with minor differences in AE rates vs chemotherapy alone. Here, we analyzed specific 'on target' AEs consistent with inhibition of the SMO component of the Hh pathway to assess impact on overall toxicity. Methods: We pooled safety data from both portions of a Phase 1b + Phase 2 multicenter study (NCT01546038), including AML patients assigned to glasdegib 100 mg QD with LDAC (non-intensive treatment) or with cytarabine/daunorubicin on a 7+3 schedule (intensive treatment) (figure 1). We assessed 'on target' all-causality treatment-emergent AEs of muscle spasms, alopecia, and dysgeusia. We also compared AE onset in defined study time-periods (non-intensive: 0-6, 6-12, or >12 months; intensive: induction, consolidation, maintenance); defining long-term treatment as >12 months for non-intensive and maintenance for intensive. Results: Across studies, 93 patients were enrolled in the non-intensive group and 80 in the intensive group. Here, we focused on patients treated with glasdegib: 89 patients in the non-intensive group and 78 in the intensive group. Table 1 shows baseline characteristics; median treatment duration was 69 days (range 3-1280) and 51 days (10-539), respectively. Rates of treatment discontinuation due to all AEs (inclusive of 'on target' and others), deemed by the investigator to be related to study drug (glasdegib and/or backbone chemotherapy) were similar (non-intensive, 10 patients [11.2%]; intensive, 15 patients [19.2%]). Frequency of muscle spasms was similar for the 2 groups; observed in 19 of the non-intensive group (21.3%) and 18 (23.1%) of the intensive group (table 1), with few grade 3 events (non-intensive 4.5%; intensive 1.3%), and the number of patients who developed muscle spasms (nearly all grade 1) when exposed to long-term treatment was small (4 non-intensive patients; 7 intensive patients) with no cases of rhabdomyolysis. Alopecia was reported for 8 (9.0%) of the non-intensive group and 16 (20.5%) of the intensive group (table 1). Alopecia had earlier time to onset in the intensive arm than in the non-intensive arm (table 1), likely reflecting the concomitant chemotherapy. Alopecia was less frequent during glasdegib maintenance monotherapy (5.3%) in the intensive arm than when given with 7+3 (16.7%). Dysgeusia was similar for the 2 groups, observed in 22 of the non-intensive group (24.7%) and 24 (30.8%) of the intensive group (table 1). For both groups, dysgeusia had similar time to onset and was less common during long-term treatment. The number of patients having a dose modification as a consequence of class-related AEs was low (for non-intensive and intensive, respectively: dose reduction, 5.6% and 2.6%; temporary discontinuation, 4.5% and 2.6%; permanent discontinuation, 1.1% and 2.6%). Conclusions: Glasdegib 'on target' AEs of muscle spasms, alopecia, and dysgeusia were mainly of mild severity, had infrequent dose modifications or permanent discontinuations, and did not appear to impair tolerability of combination treatment. In comparison, muscle spasms and dysgeusia occurred in ≤5% for the LDAC alone arm, and no alopecia was reported. Although muscle spasms and dysgeusia occurred with similar frequency, dysgeusia occurred earlier, for a shorter duration, and was more persistent at the time of discontinuation compared with muscle spasms. Similar safety profiles were observed when combining glasdegib with LDAC or 7+3, suggesting that glasdegib in combination with standard chemotherapy has a manageable safety profile and thus can be an acceptable combination partner in the treatment of AML. Our results are consistent with previously reported safety outcomes for glasdegib as monotherapy in hematologic malignancies. Clinical trials of glasdegib in combination with other standard of care AML agents are ongoing. Disclosures Cortes: Novartis: Consultancy, Research Funding; Astellas Pharma: Consultancy, Research Funding; Pfizer: Consultancy, Research Funding; Daiichi Sankyo: Consultancy, Research Funding; Arog: Research Funding. Schiller:Pharmacyclics: Research Funding; Celator/Jazz Pharmaceuticals: Research Funding. Candoni:Pfizer: Honoraria, Speakers Bureau; Celgene: Honoraria, Speakers Bureau; Janssen: Honoraria, Speakers Bureau; Gilead: Honoraria, Speakers Bureau; Merck SD: Honoraria, Speakers Bureau. Leber:Pfizer Inc: Honoraria, Membership on an entity's Board of Directors or advisory committees; Novartis: Honoraria, Membership on an entity's Board of Directors or advisory committees; Celgene: Honoraria, Membership on an entity's Board of Directors or advisory committees; Otsuko: Honoraria, Membership on an entity's Board of Directors or advisory committees; Astellas: Honoraria, Membership on an entity's Board of Directors or advisory committees; Jazz: Honoraria, Membership on an entity's Board of Directors or advisory committees. Ma:Pfizer Inc: Employment, Equity Ownership. Gallo Stampino:Pfizer Inc: Employment, Equity Ownership. O'Connell:Pfizer Inc: Employment, Equity Ownership. Zeremski:Pfizer Inc: Employment, Equity Ownership. Chan:Pfizer: Employment, Equity Ownership. Sekeres:Celgene: Membership on an entity's Board of Directors or advisory committees; Opsona: Membership on an entity's Board of Directors or advisory committees; Celgene: Membership on an entity's Board of Directors or advisory committees; Opsona: Membership on an entity's Board of Directors or advisory committees.


Blood ◽  
2015 ◽  
Vol 126 (23) ◽  
pp. 1059-1059
Author(s):  
John C. Chapin ◽  
James B. Bussel ◽  
Christina S Lee ◽  
Joseph H Oved

Abstract Background: Therapies in ITP primarily increase the platelet count while treatment continues: IVIG, steroids, IV RhIg, romiplostim, eltrombopag and others. Curative effects of treatments other than splenectomy are uncertain; 2 recent studies with rituximab provided disappointing results. ITP in children often spontaneously improves but in children with chronic ITP and adults, this is much less common and management may be difficult. The aim of this study is to explore the efficacy and safety of R+3D. Methods : ITP patients were managed with R+3D if appropriate. Forty-nine adults and 33 children with ITP (newly diagnosed, persistent, and chronic) were treated at Weill Cornell Medical College with the previously described R+3D treatment plan: weekly rituximab infusion 375mg/m2 x 4 weeks + three 4-day cycles of 28mg/m2 (max. 40mg) dexamethasone at 2-week intervals. Patients who came to the platelet disorders center were included even if they received all or part of their treatment elsewhere. Counts were obtained weekly, monthly, and 2-3x monthly thereafter for responders. Response was either partial (PR, plt count > 50,000-100,000) or complete (CR > 100,000). Analysis was descriptive and by Kaplan-Meier. Children and adults are presented separately. Results : The overall estimated response (initial and long-term) in the 49 adults (22 men, 27 women) was associated with greater initial platelet response, female gender, and duration of ITP < 1 year. There was a significant difference in the projected 78% lasting response rate at 5 years in women with ITP of < 1 yr duration. All other groups (men < or > 1 yr duration of ITP and women > 1 yr duration of ITP) had highly inferior results (<25%). Ninety % of the 49 adults (44/49; 11 PRs and 33 CRs) initially responded to R+3Dex at 8 weeks. Children had lower initial responses at 45% (15/33; 2 PRs and 13 CRs). Four adults further improved from PR to CR and 2 children, 1 NR, 1 PR, to CR. Kaplan Meier projected long-term treatment-free response for all adults treated with R+3Dex is 33.5%. Only 1 PR but 22/37 (59.5%) of CRs continue to maintain adequate platelet counts. Parallel projection of long-term response for children is 23.9%. In children, 10/16 (62.5%) responders continue to maintain their response at last follow-up., Female patients maintained a 44% long-term response at 5 years whereas male patients projected a rate of only 19% (p value = 0.009). In children, girls projected a 37% long-term response and boys projected 11% at 5 years. Further divided by the duration of ITP, both adult and pediatric female patients with duration of ITP less than 12 months fared better than females with longer duration of disease (and males of any duration). Conclusions: ITP does not typically display a large gender disparity compared to other autoimmune diseases such as systemic lupus erythematosus), (1.5F:1Mcompared to 9F:1M ). No gender differences were found in responses to first- and second-line treatments in a previous report (Andres et al., 2012). However, gender bias in especially long term response is dramatic and is shown separately in both children and adults; when combined with earlier treatment initiation, the difference in projected long-term, treatment-free remission is remarkable (Table 1). Studies in lymphoma and 2 other indications have also suggested a gender effect in response to rituximab, but attributed it to Pk in elderly women. The influence of gender on autoimmune diseases, ITP in particular, is complicated and warrants further study as to the mechanism of effect. Table 1.Adults (n=49) Female: n=27 // Male: n=22Children (n=33) Female: n=18 // Male: n=15Initial ResponseNR = 5 (10.2%)NR = 18 (54.5%)PR = 11 (22.4%)PR = 2 (6.1%)CR = 33 (67.4%)CR = 13 (39.4%)Female: 26/27 (96.3%) Male: 18/22 (81.8%)Female: 8/18 (44.4%) Male: 7/15 (46.7%)Best ResponseNR = 5 (10.2%)NR = 17 (51.5%)PR = 7 (14.3%)PR = 1 (3.0%)CR = 37 (75.5%)CR = 15 (45.5%)Female: 26/27 (96.3%) Male: 18/22 (81.8%)Female: 9/18 (50%) Male: 7/15 (46.7%)Relapsed21/44 (47.7%)6/16 (37.5%)Female: 10/26 (38.5%) Male: 10/18 (55.5%)Female: 2/9 (22.2%) Male: 4/7 (57.1%)Ongoing23/44 (52.3%)10/16 (62.5%)Female: 16/26 (61.5%) Male: 8/18 (44.4%)Female: 7/9 (77.7%) Male: 3/7 (42.9%) Disclosures Bussel: Novartis: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; GSK: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; protalex: Consultancy, Membership on an entity's Board of Directors or advisory committees, Research Funding; rigel: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; Cangene: Membership on an entity's Board of Directors or advisory committees, Research Funding; Amgen: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding.


Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 1260-1260 ◽  
Author(s):  
Jeffrey Szer ◽  
Petra Muus ◽  
Alexander Roeth ◽  
M.O Elebute ◽  
Antonio M. Risitano ◽  
...  

Abstract Abstract 1260 Background: Paroxysmal nocturnal hemoglobinuria (PNH) is an acquired, progressive and life-threatening hematopoietic stem cell disorder. It is characterized by uncontrolled activation of the complement system leading to chronic intravascular hemolysis. Chronic hemolysis is the underlying cause of the thromboembolism (TE), renal insufficiency and other end organ damage, and early mortality associated with PNH. It has been demonstrated that long-term eculizumab treatment has a favorable efficacy profile due to continuous suppression of the terminal complement system. Objective: To analyze the long-term safety of patients on continuous eculizumab treatment. Methods: Patients receiving continuous eculizumab treatment (mean duration: 30.3 months) who were enrolled in the eculizumab PNH clinical development trials and associated extension studies were assessed for the incidence of adverse events (AEs). The incidence of AEs, irrespective of relation to treatment, reported during the first 26 weeks of eculizumab treatment was compared with the last 26 weeks of treatment. In patients with treatment duration <52 weeks, the incidence of AEs reported during the first 26 weeks of treatment was compared with the incidence of AEs from 26 weeks + 1 day until the patient's last dose of eculizumab. Results: The analysis included 192/195 patients enrolled in the trials; 3 patients were excluded because of treatment duration <26 weeks. Significantly fewer patients reported an AE in the last 26 weeks (n=145) compared with the first 26 weeks (n=189) of treatment (P<0.001); this included the most commonly reported AEs such as headache (P<0.001), nasopharyngitis (P=0.029), back pain (P=0.031), nausea (P=0.029), and fatigue (P=0.029). Results by system organ class revealed significantly fewer patients experienced infections and infestations (P=0.005); infusion site reactions (P=0.018); gastrointestinal, musculoskeletal and connective tissue and nervous systems (all P<0.001); and skin and subcutaneous tissue (P=0.006), metabolism and nutrition (P=0.008), psychiatric (P=0.014), vascular (P=0.025), or respiratory thoracic and mediastinal (P=0.030) disorders. None of the individual AEs reported increased significantly over time. In addition, the probability of a patient experiencing an AE decreased significantly with time (P<0.001). All patients are required to be vaccinated against Neisseria meningitidis because suppression of terminal complement activity by eculizumab increases the risk of meningococcal infections. Patients were vaccinated at least 2 weeks before the first dose of eculizumab and were educated on the early signs and symptoms of these infections. Two cases of meningococcal sepsis were reported with a time to onset of 353 and 416 days. Both patients developed a strain of meningococcal infection that was not covered by their vaccination. The infections were successfully treated: 1 patient received ceftriaxone and ciprofloxacin, and the other imipenem, rocephin, vancomycin, ceftriaxone and penicillin. Both infections resolved without sequelae: 1 patient remained in the extension study and continued to receive eculizumab; the second patient withdrew from the study. Five (5/195) patients discontinued from the study due to an AE, which included the development of myelodysplastic syndrome, meningococcal sepsis, worsening of PNH and 2 pregnancies. Over the course of the study, 4 patient deaths were reported; no deaths were considered related to eculizumab treatment. Conclusions: PNH patients receiving long-term eculizumab treatment (up to 5.5 years) did not experience signs of cumulative toxicity. In fact, patients showed a significantly decreased incidence of AEs with continuous eculizumab treatment, suggesting a favorable risk-to-benefit ratio over the long term. The low discontinuation rate due to an AE suggests long-term treatment with eculizumab is well tolerated. Disclosures: Off Label Use: The use of romiplostim in MDS was examined in this trial. Muus:Alexion Pharmaceuticals.: Sat on advisory board of Alexion Pharmaceuticals. Other. Roeth:Alexion: Honoraria, Research Funding. Elebute:Alexion Pharmaceuticals: Honoraria, Membership on an entity's Board of Directors or advisory committees. Risitano:Alexion: Membership on an entity's Board of Directors or advisory committees, Research Funding. Maciejewski:NIH: Research Funding; Aplastic Anemia&MDS International Foundation: Research Funding. Urbano-Ispizua:Alexion Pharmaceuticals, Inc: Membership on an entity's Board of Directors or advisory committees. de Castro:Alexion Pharmaceuticals, Inc: Speakers Bureau.


Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 639-639 ◽  
Author(s):  
Richard J Kelly ◽  
Anita Hill ◽  
Lindsay D Mitchell ◽  
Stephen John Richards ◽  
Louise M Arnold ◽  
...  

Abstract Abstract 639 PNH is an acquired clonal hemolytic anemia associated with severe symptoms, life-threatening thrombosis, pulmonary hypertension (PH), chronic renal impairment (CRI) and bone marrow failure resulting in reduced quality of life (QoL) and survival (median: 10 – 15 years). Eculizumab is a monoclonal humanized antibody that inhibits terminal complement activity and thereby prevents intravascular hemolysis, reduces transfusions, improves QoL and protects against PH, CRI and thromboses. Eculizumab was approved for PNH in 2007 as a result of studies with short follow-up and with no information on it's impact on survival. We present data on 79 patients treated with eculizumab from the Leeds PNH Center between May 2002 – July 2010 including 34 patients from the clinical trials and a further 45 treated since, funded in England by the National Commissioning Group (NCG) or locally in Scotland and Wales. The NCG indications for treatment include transfusion-dependent hemolysis (4 or more transfusions in 12 months) or significant PNH-related complications (i.e. thrombosis or renal failure) regardless of transfusion history. Three patients did not fulfil these criteria but were treated for profound symptoms as agreed with the NCG. Forty men and 39 women were treated for a mean of 39 months (1-98). Median age at diagnosis was 37yo (12-79) and at initiation of eculizumab was 46yo (14-84). Median granulocyte clone size at the start of eculizumab was 96.38% (41.78-99.98). Patient survival on eculizumab was compared with age and sex matched controls obtained using data from the UK Office of National Statistics. We previously published that there was a significantly worse survival for PNH patients compared to matched controls with ~ 50% of patients dying as a result of PNH (Hillmen et al., NEJM 1995). In the current series there was no difference in mortality between patients on eculizumab and the normal population (P=0.46; Fig 1). Patients over 70yo had worse survival (P=0.0042) with none of the 45 patients under the age of 50yo dying. Three patients died: a 55yo man from metastatic caecal carcinoma diagnosed prior to eculizumab, a 76yo woman who died from pneumionia following a long history of recurrent bronchopneumonia prior to eculizumab and a 79yo man with a preceding history of ischaemic heart disease who died from cardiac failure. Three patients have had a clonal evolution of their PNH, 1 to acute myeloid leukemia and 2 to myelodysplasia. Two patients have stopped eculizumab: - 1 due to pre-existing aplastic anemia and 1 with spontaneous remission of his PNH. Seventy four patients remain on eculizumab to date.Figure 1Kaplan-Meier survival plots depicting PNH patients on eculizumab compared to age and sex matched controlsFigure 1. Kaplan-Meier survival plots depicting PNH patients on eculizumab compared to age and sex matched controls There were 34 thrombotic episodes in 21/79 patients (27%) prior to eculizumab and only 2 thromboses since. Importantly primary prophylaxis with warfarin has now been stopped in 21 patients (mean duration of 8.4 months (range: 1–25) and total of &gt; 14 years) with no thromboses occurring. Seven patients had thrombosis within 12 months prior to starting eculizumab and they had no further thromboses on therapy. Therefore eculizumab is effective in preventing new, or evolution of pre-existing thrombosis, and appears to remove the need for primary prophylactic anticoagulation. We have not systematically stopped the anticoagulation of patients with a previous history of thrombosis. Patients had a mean of 19.9 units transfused (0-156) in the 12 months before eculizumab. Of the 64 patients on eculizumab for at least a year, 43 (67%) have been transfusion independent for &gt;12 months. Twenty one patients still needing transfusions had a significant (P=0.028) reduction in their mean requirement of 24.6 (4-52) units in the 12 months before eculizumab compared to a mean of 14.6 (2-50) units in the last 12 months. Eculizumab is well tolerated long-term (&gt; 8 years of therapy) with continued improvement in PNH associated symptoms, reduction in transfusion requirements and a higher proportion of transfusion independent patients than previously seen. There is a significant reduction in the development of thromboembolism on eculizumab therapy and importantly we have been able to stop primary prophylaxis with warfarin in 21 patients without any thrombotic complications. We demonstrate for the first time that eculizumab has a major impact on survival in PNH so that survival is comparable to an age- and sex-matched control population. Disclosures: Kelly: Alexion Pharmaceuticals: Honoraria. Hill:Alexion Pharmaceuticals: Honoraria, Speakers Bureau. Richards:Alexion Pharmaceuticals: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees. Arnold:Alexion Pharmaceuticals: Honoraria. Hillmen:Alexion Pharmaceuticals: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding.


Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 1953-1953 ◽  
Author(s):  
Sundar Jagannath ◽  
Ravi Vij ◽  
Jonathan L. Kaufman ◽  
Thomas Martin ◽  
Ruben Niesvizky ◽  
...  

Abstract Abstract 1953 Background: Carfilzomib (CFZ) is a novel, selective proteasome inhibitor that differs from BTZ both structurally and mechanistically. CFZ overcomes BTZ-resistance in vitro, lacks the off-target activities of BTZ in preclinical studies, and does not cause neurotoxicity in long-term (6–9 month) chronic animal toxicology studies. Single-agent CFZ produces durable responses in relapsed and relapsed/refractory (R/R) multiple myeloma (MM) without dose-limiting PN, and can be given to pts with substantial renal dysfunction. Here we report on the clinical experience with long-term treatment (>12 cycles, >11 months) with single-agent CFZ in pts with MM. Methods: Included in the present analysis were pts with MM who initially enrolled in studies PX-171-002 (Phase 1), PX-171-003 (relapsed and refractory MM), PX-171-004 relapsed following 1–3 therapies), and PX-171-005 (relapsed and refractory MM with varying degrees of renal dysfunction). The majority of pts initially received CFZ at 20 mg/m2 IV, on Days 1, 2, 8, 9, 15, and 16 in a 28-day cycle (C). In some trials, the dose was escalated following cycle 1 to 27 mg/m2 for up to 12 C. Recently, higher doses including 36 and 45 mg/m2 have been successfully attempted using a 30-min infusion. Pts who completed their full course of CFZ therapy on a given trial were given the option to enter the PX-171-010 extension study. In this extension study, CFZ was initially administered at the same dose-level and frequency as given in the last cycle of the pts’ previous CFZ study. CFZ could be administered at a reduced frequency of twice weekly every other week at the discretion of the investigator and pts could continue treatment until disease progression or unacceptable toxicity. Results: More than 10% of pts in studies PX-171-003 and PX-171-005, and approximately 24% of pts in PX-171-004 completed 12 cycles of induction therapy with CFZ (QDx2 weekly for 3 of 4 weeks). As of 31 July 2010, 42 of the pts completing 12 cycles of CFZ in a previous study either enrolled in PX-171-010 (N=38) or were treated on single-patient INDs prior to the availability of PX-171-010 (N=4). CFZ was administered as either a single agent (N=38) or combined with low-dose dexamethasone (N=4, all in PX-171-005). Twenty-five of the 42 MM pts (60%) remain on treatment: 24 receiving single agent CFZ at 27 mg/m2 (range 15–45 mg/m2) and 1 receiving CFZ + low dose dexamethasone. The median duration of CFZ treatment in this cohort is 14 months. The longest period of treatment is >27 months, and 12 pts have completed over 18 months of total continuous CFZ dosing. Of the 17 MM pts who discontinued therapy, 16 did so due to progressive disease and one pt had pneumonia, stopped therapy, and elected not to restart treatment. Cumulative toxicities were not observed, and AEs were similar to those reported in other studies of single-agent CFZ. There were 7 serious adverse events (SAEs, 1 patient each) reported in the extension study: 4 were possibly related and included infection, dyspnea, bronchitis and asthenia. Doses were interrupted and restarted or maintained for all of the pts with possibly related SAEs. Peripheral neuropathy and significant renal dysfunction were not observed with in this extension trial. Conclusions: CFZ is a highly selective proteasome inhibitor that can be administered to pts with MM for prolonged periods with no apparent cumulative toxicities. Disease control is possible with this single-agent treatment, even though many of the pts had disease that was refractory to multi-agent therapy prior to entering their initial CFZ trial. Following 12 cycles (11 months) of induction therapy (QDx2 weekly for 3 of 4 weeks) maintenance CFZ sustained disease control and provided excellent long-term tolerability, with the option for pts to switch to twice weekly dosing every other week. Disclosures: Jagannath: Celgene: Honoraria; Millenium/Takeda Pharma: Honoraria; J&J Family: Honoraria; Onyx: Honoraria; Merck: Honoraria. Vij:Onyx: Honoraria. Kaufman:Celgene, Millenium: Consultancy; Celgene, Merck: Research Funding. Martin:Celgene: Honoraria; Onyx: Consultancy. Niesvizky:Celgene: Consultancy, Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Millenium: Consultancy, Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Onyx: Consultancy, Research Funding. Gabrail:Millenium: Research Funding. Alsina:Millenium: Consultancy, Research Funding; Celgene: Research Funding; Novartis: Consultancy. Wong:Onyx Pharmaceuticals: Employment. Le:Onyx Pharmaceuticals: Employment. McCulloch:Onyx Pharmaceuticals: Employment. Hannah:Onyx Pharmaceuticals: Consultancy. Kauffman:Onyx Pharmaceuticals: Employment. Siegel:Millenium: Consultancy, Honoraria; Celgene: Consultancy, Honoraria.


Blood ◽  
2014 ◽  
Vol 124 (21) ◽  
pp. 4273-4273 ◽  
Author(s):  
Dominique Farge ◽  
Philippe Debourdeau ◽  
Norbert Claude Gorin ◽  
Anne Lamblin ◽  
Francis Cajfinger

Abstract Introduction Long-term treatment with LMWH is the standard therapy for patients with cancer-associated VTE. Recommended treatment regimen include the prescription of LMWH at treatment doses according to approved administration schedule for at least 3 months in the absence of severe renal insufficiency (CrCl<30 mL/min) [1, 2]. The TROPIQUE study documented the prescription and use of long-term treatment with LMWH in cancer patients. Here we report the findings on the secondary outcomes, clinical efficacy and safety. Methods Adult patients with cancer-associated VTE receiving antineoplastic treatment or palliative care were eligible to participate. Efficacy outcomes measures were VTE recurrence including deep-vein thrombosis (DVT) and pulmonary embolism (PE), visceral thrombosis and central venous catheter (CVC)-associated thrombosis. Safety outcomes included all and major bleeding according to ISTH definition [3], thrombocytopenia and deaths. Incidences of 7% of VTE recurrence and 6% of major bleeding were expected. With a sample of 384 patients, the rate of VTE recurrence and major bleeding would be detected with a precision of ±2.6% and ±2.4%, respectively, with a 95% confidence interval. A total of 400 patients were therefore planned to be included in the study. Results A total of 409 patients with symptomatic cancer-associated VTE (Table 1) aged 65±12.1 years of whom 49.9% female were consecutively included from November 2012 to August 2013. A history of previous VTE was found in 54 (13.2%), surgery or trauma in 100 (24.4%), CVC in 303 (74.1%) and an immobilization over 1 month in 47 (11.5%) patients, respectively. At study inclusion, 30 (7.3%) patients had platelet count ≤ 100 x109/L, and 129 (31.5%) had reported anemia while 16 (3.9%) patients had a history of bleeding in the last month. At baseline, more than 80% of patients presented with at least a PE or a lower-limb DVT of s. Table 1 VTE diagnosis at baseline (patients at least with one of the following) VTE diagnosis (at least one of the following) n (%) PE 145 (35.5) DVT lower limb 193 (47.2) Proximal 107 (56.0) Distal 72 (37.7) DVT upper limb 45 (11.0) Visceral thrombosis 16 (3.9) CVC-associated thrombosis 66 (16.1) Mean treatment duration was 5.28 ± 2.07 months. As the majority of patients were treated with tinzaparin (73.6%), clinical outcomes are therefore presented for tinzaparin, other LMWH and all LMWH (Table 2). A total of 21 events of VTE recurrence occurred in 19 patients during the overall study period, with a Kaplan-Meir estimate of the probability of VTE recurrence at 6 months of 6.1%. Table 2 Outcomes in patients with cancer-associated VTE treated with long-term LMWH [n (%)]. Patients treated Tinzaparin n=301 Other LMWH n=108 All LMWH n=409 Patients documented n=292 n=100 n=392 Patients with at least 14 (4.8) 5 (5) 19 (4.8)  one VTE recurrence - - - Events (2 patients had 3 4 7  more than one event) 5 1 6 DVT 0 1 1 PE 6 1 7 Visceral thrombosis CVC-associated thrombosis Bleeding n=292 n=100 n=392 All 44 (15.1) 11 (11.0) 55 (14.0) Major 16 (5.5) 7 (7.0) 23 (5.9) Thrombocytopenia n=290 n=100 n=390  (n platelets/mm3) 53 (18.3) 15 (15.0) 68 (17.4) All n=65 n=17 n=82 < 50,000 22 5 27 Drop > 50% 15 2 17 Deaths n=301 n=107 n=408 All 102 (33.9) 44 (41.1) 146 (35.8) Cause of death* n=100 n=44 n=144 LMWH treatment** 1# 0 1## Cancer 87 39 126 Sepsis 4 1 5 Bleeding 4 1 5 Antineoplastic treatment 1 0 1 PE 0 1 1 Other 7 3 10 *Multiple causes of death may have been reported in the same patient; **fatal bleeding reported as LMWH-related; #n=99; ## n=143 Kaplan-Meier estimate of the probability of bleeding at 6 months was 15.9% while corresponding estimates were 18.1% for thrombocytopenia and 34.5% for deaths. Of the five (3.5%) patients who reported fatal bleedings one was reported as related to the LMWH treatment. No heparin-induced thrombocytopenia was reported in the study. Conclusion Clinical outcomes were consistent with previous observations in this patient population except a lower incidence of VTE recurrence compared with previous studies. Study results tend to confirm the favorable efficacy and safety profile of LMWH for the long-term treatment of patients with cancer-associated VTE, when used according to recommended treatment duration and respecting contra-indications. Schulman. J Throm Haemost. 2005 Apr;3(4):692-4.Farge J Thromb Haemost. 2013 Jan;11(1):56-70.Debourdeau P, J Thromb Haemost. 2013 Jan;11(1):71-80 Disclosures Farge: Pfizer: Research Funding; LEO Pharma: Research Funding. Debourdeau:Pfizer: Research Funding; LEO Pharma: Research Funding. Cajfinger:Pfizer: Research Funding; LEO Pharma: Research Funding.


Blood ◽  
2016 ◽  
Vol 128 (22) ◽  
pp. 1900-1900
Author(s):  
Tong-Yoon Kim ◽  
Sung-Eun Lee ◽  
Soo-Hyun Kim ◽  
Soo-Young Choi ◽  
Eun-Jung Jang ◽  
...  

Abstract Introduction: As chronic myeloid leukemia (CML) patents are generally diagnosed at old age and live longer by active use of BCR-ABL1 tyrosine kinase inhibitors (TKIs), the occurrence of other malignancy (OM) is becoming a critical issue as a long-term comorbidity. An increased rate of OM has been reported in myeloproliferative disorders and long-term TKI treatment may induce OM in CML. To explore exact prevalence and characteristics of OM, we reviewed medical records of CML patients and compared with those of age-matched Korean population. Methods: The medical records of 1,469 CML patients who diagnosed between January 2000 and December 2014 were reviewed using Korean data-set of Asia CML Registry (ACR). With a cut-off date of July 2016, age-standardized prevalence rates (A-SPR) of OM (except benign tumors and other leukemias) were analyzed and compared with that of general population in Korea Central Cancer Registry (KCCR). In addition, we analyzed cumulative incidence rate of OM and various risk factors. Results: The median duration of follow-up was 84 (1-197) months, and 96 CML patients had at least one OM. Forty three patients had a history of OM before a median 69 (1-161) months of CML diagnosis and 53 patients developed OM after a median 53 (range; 0.2-172) months of CML diagnosis. The OM included 32 thyroid cancers, 19 colorectal cancers, 16 stomach cancers, 9 breast cancers, 4 gynecological cancers (3 cervical cancers and 1 uterine endometrial cancers), 3 lymphoma (2 non-Hodgkin's lymphoma and 1 Hodgkin's lymphoma), 3 biliary cancer, 3 skin cancers, 3 prostate cancers, 2 lung cancer, 2 tongue cancer, 2 liver cancer, 2 esophageal cancer, 1 pancreatic cancer, and 1 bladder cancer.A-SPR of OM was 1.7 times higher in CML patients. Hodgkin's lymphoma (8.7 times), thyroid cancer (2.6 times), biliary cancer (2.6 times), colorectal cancer (2 times), non-Hodgkin's lymphoma (1.8 times), cervical cancer (1.8 times), and breast cancer (1.6 times) had a higher A-SPR. On the other hands, skin cancer (3.3 times), lung cancer (2 times), and liver cancer (2 times) were lower than that of general population. With 53 patients who had OM after CML diagnosis, we analyzed the cumulative incidence. The risk of OM was increased over the follow-up period (2.7% at 7 years) Univariate analysis revealed that patients who were more than 37 years old at CML diagnosis (4.3% vs. 0.4%, p<0.001) and who had family history of cancer (8.2% vs. 2.3%, p=0.002) were associated with a higher OM. After adjusting for factors, multivariate analysis showed that older age (HR of 4.19, P<0.001) and family history (HR of 3.17, P=0.001) were independently associated with increased risk. There was no difference in 7-year overall survival (OS) between patients with OM (n=96) and without OM (n=1,373) (84.9% vs. 86.9%, p=0.573). However advanced cancer stages (stage 3 and 4) of OM significantly affected poor OS ( 88.3% vs. 65.6% P=0.0406). Conclusion: Although comorbid malignancies did not significantly affect CML survival, poor survival in advanced stages and the high risk of other cancers warn the need of systematic screening in long-term CML survivors. In addition, the specific cancer types with a significantly higher A-SPR should be considered for further studies including genetic mechanisms. Disclosures Kim: ILYANG: Consultancy, Honoraria, Research Funding; Pfizer: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Novartis: Consultancy, Honoraria, Research Funding, Speakers Bureau; BMS: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau.


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