scholarly journals A Prospective Observational Study on the Efficacy and Safety of Infliximab-Biosimilar (CT-P13) in Patients With Takayasu Arteritis (TAKASIM)

2021 ◽  
Vol 8 ◽  
Author(s):  
Corrado Campochiaro ◽  
Alessandro Tomelleri ◽  
Silvia Sartorelli ◽  
Camilla Sembenini ◽  
Maurizio Papa ◽  
...  

Objectives: Infliximab (IFX) is widely used in patients with refractory Takayasu arteritis (TAK). Recently, the IFX-biosimilar CT-P13 has been introduced for the treatment of inflammatory diseases. The aim of this study was to assess the efficacy and safety of CT-P13 in patients with refractory TAK.Methods: In this prospective, open-label, single-center trial, TAK patients either already on treatment with IFX-originator (switch group) or never treated with IFX (naïve group) received CT-P13 for 52 weeks. The primary outcomes of the study were: (i) number of patients with active disease at month 6; (ii) incidence of treatment-emergent adverse events at month 12. Disease activity was assessed at month 6 and month 12 by clinical evaluation (ITAS-2020, ITAS-ESR, and ITAS-CRP scores) and imaging assessment [magnetic resonance angiography (MRA) and (18F)-FDG-PET].Results: 23 patients were recruited (21 switch, 2 naïve). At baseline, 7 patients (32%) were classified as active. At month 6, one patient voluntarily dropped out and 7 patients were still active (30%), including one patient started on a different bDMARD at month 2 due to poor disease control. Mean daily dose of prednisone equivalent was significantly lower than baseline (4.2 ± 1.9 mg vs. 4.8 ± 2.1 mg, p = 0.009). At month 12, another patient was excluded because of pregnancy desire. Five patients were classified as active (24%), including two patients started on a different bDMARD at month 2 and month 6. Mean daily dose of prednisone equivalent was significantly lower than baseline (3.3 ± 2.6, p = 0.034). No patient experienced side effects during CT-P13 infusion. Overall, one patient experienced grade 1 adverse event and 9 patients experienced grade 2 adverse events. In no case hospitalization was required. CT-P13 retention rate was 90.9% at month 6 and 90.4% at month 12.Conclusion: In this study, the use of IFX-biosimilar CT-P13 in patients with refractory TAK showed satisfying efficacy and safety profile.

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1219-1220
Author(s):  
S. Kawaai ◽  
S. Fukui ◽  
T. Nakai ◽  
G. Kidoguchi ◽  
H. Ozawa ◽  
...  

Background:IgG4-Related Disease (IgG4RD) is known to cause multiple organ lesions with infiltration of IgG4-positive plasma cells, and patients often have relapses with tapering treatments despite an initial good response to glucocorticoids therapy. Mizoribine (MZR) is an immunosuppressant working as an inhibitor of purine synthesis, which mechanism of action is similar to mycophenolate mofetil. Data regarding the efficacy and safety of MZR on IgG4RD is limited although some previous case reports1showed effectiveness for IgG4RD.Objectives:This study aims to assess the efficacy and safety of MZR in patients with IgG4RD.Methods:We retrospectively reviewed charts of IgG4RD patients who used MZR between January 2004 and December 2019 at Immuno-Rheumatology Center in St. Luke’s International Hospital, Tokyo, Japan. We investigated basic demographics, involved organs, results of blood tests including IgG and IgG4 titer, and medications used including glucocorticoid and other immunosuppressants (IS). We followed IgG4 titer, dose of glucocorticoid, flare of disease and retention of MZR at the beginning, 6 and 12months after starting MZR. We compared changes in PSL (prednisolone) doses and IgG4 titers over time using Friedman test with Bonferroni correction. We also checked adverse events during follow up.Results:Twenty-two patients with IgG4RD who used MZR were included. Median age was 62 years old, and 15 (68.2%) patients are male. Lacrimal and salivary glands, pancreatitis and retroperitoneal fibrosis were common lesions. All patients were initially treated with glucocorticoids. Flare was observed in 5 (22.7 %) patients before initiation of MZR. The number of patients who continued MZR without flare are 19 (86.4 %) at 6 months, and 14 (73.7 %) at 12 months. IgG4 titer significantly declined at 6 and 12 months from baseline although significant consecutive decrease in PSL dose (Figure 1, 2). Liver dysfunctions are commonest adverse events (n=16, 72.7%) but mild (grade1; n=15, 68.2%) and most cases are apparently due to other reasons. Serious infection (SI) occurred in 3 (13.6%) patients in total follow up, however no SI were observed during 1 year after MZR treatment.Conclusion:MZR can be safely used in patients of IgG4RD with high retention rate, and seemed to have steroid-sparing effect. Prospective comparative studies are needed.References:[1]Nanke Y, Kobashigawa T, Yago T, Kamatani N, Kotake S. A case of Mikulicz’s disease, IgG4-related plasmacytic syndrome, successfully treated by corticosteroid and mizoribine, and then by mizoribine alone. Intern Med 49: 1449-1453, 2010.Table 1.Patient characteristics    Table 2.Disease and treatment status before and after initiation of MZR    Figure 1.Serum IgG4 level changesFigure 2.Changes in the PSL dose over timeDisclosure of Interests:None declared


2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1531.2-1531
Author(s):  
C. Campochiaro ◽  
A. Tomelleri ◽  
S. Sartorelli ◽  
G. De Luca ◽  
C. Sembenini ◽  
...  

Background:Treatment of Takayasu arteritis (TA) is mainly based on steroids, but, in approximately 50% of patients, disease-modifying antirheumatic drugs(DMARDs) are required.Objectives:To evaluate efficacy and safety of IFX-biosimilar in TA patients.Methods:Both bDMARD-naïve and IFX-O treated patients were eligible. Primary endpoint was the number of patients with active disease as assessed by magnetic resonance angiography(MRA), 18FDG PET/CT, ITAS2010 and ITAS-ESR/CRP at month 6. Secondary endpoints were safety and tolerability, number of patients with active disease at month 12, quality of life. Non-parametric statistic tests were used.Results:Twenty-three patients(21 female) were recruited. At baseline, mean age was 43.8±14.4 years and mean disease duration 95.5±61.3months. Two patients were IFX-O-naïve. Mean time on IFX-O was 51.5±37.9 months. Four patients had been previously treated with other biologics(tocilizumab, 3; adalimumab, 1). Twenty-one patients(91.3%) were on concomitant steroids(mean dose, 4.8±2.0 mg daily) and 82% on concomitant csDMARDs, kept unchanged throughout the study. At baseline, 4 patients(17%) were classified as active according to ITAS2010, ITAS-ESR, and ITAS-CRP; mean HAQ was 3.48±5.26. Over the study period two patients dropped out the study because of poor disease control (1 at month 3 and 1 at month 6). PET/CT was not available for one patient who was on lactation during the study period and 1 patient refused to undergo imaging re-evaluation. At month 6, MRA was available for 21 patients: it was stable in 11(52%), improved in 5(24%), worsened in 5(24%). PET/CT was available for 20 patients: it was negative in 12(65%), improved although still positive in 3(16%), stable in 1(5%), worsened in 3(16%). At month 6, among 22 patients, 4(18%) were clinically active according to ITAS2010, ITAS-ESR and ITAS-CRP; mean steroid dose was significantly lower compared to baseline(4.2±2.0 mg daily, p=0.009); HAQ didn’t significantly change(mean, 3.35±6.59, p=0.357). At month 12, MRA was available for 20 patients. It was stable in 9 patients(45%), improved in 8 (40%), worsened in 3(15%). PET/CT was available for 19 patients: it was negative in 14(74%), improved although still positive in 2(10%), stable in 3(10%), worsened in 1(5%). At month 12, 3 patients(14%) were active according to ITAS2010 and 2(9%) according to ITAS-ESR and ITAS-CRP; mean steroid dose was significantly lower compared to baseline(3.4±2.56 mg daily, p=0.034); HAQ didn’t significantly change(mean, 3.84±6.34, p=0.919). Nine patients(39%) experienced low-grade side effects related to TNFα-blockade (6, herpes reactivation; 3, urinary tract infection; 1 gastroenteritis). No IFX-B therapy modification was required.Conclusion:Our study suggests that IFX-B is effective and safe both in IFX-O switch and IFX-O naïve TA patients.Disclosure of Interests: :Corrado Campochiaro Speakers bureau: Novartis, Pfizer, Roche, GSK, SOBI, Alessandro Tomelleri: None declared, Silvia Sartorelli: None declared, Giacomo De Luca Speakers bureau: SOBI, Novartis, Celgene, Pfizer, MSD, Camilla Sembenini: None declared, Giulio Cavalli Speakers bureau: SOBI, Novartis, Pfizer, Paola Mapelli: None declared, Maria Picchio: None declared, Maurizio Papa: None declared, Elena Baldissera Speakers bureau: Novartis, Pfizer, Roche, Alpha Sigma, Sanofi, Lorenzo Dagna Grant/research support from: Abbvie, BMS, Celgene, Janssen, MSD, Mundipharma Pharmaceuticals, Novartis, Pfizer, Roche, SG, SOBI, Consultant of: Abbvie, Amgen, Biogen, BMS, Celltrion, Novartis, Pfizer, Roche, SG, and SOBI


2021 ◽  
Vol 30 (Sup5) ◽  
pp. S7-S14
Author(s):  
Thomas E Serena ◽  
Neal M Bullock ◽  
Windy Cole ◽  
John Lantis ◽  
Lam Li ◽  
...  

Objectives: Perfusion and blood oxygen levels are frequently insufficient in patients with hard-to-heal wounds due to poor circulation, vascular disruption and vasoconstriction, reducing the wound's capacity to heal. This study aimed to investigate the effect of topical oxygen on healing rates in patients with hard-to-heal diabetic foot ulcers (DFUs) (i.e., non-responsive over four weeks). Method: This multicentre, open-label, community-based randomised clinical trial compared standard care (SOC) with or without continuous topical oxygen therapy (TOT) for 12 weeks in patients with DFUs or minor amputation wounds. SOC included debridement, offloading with total contact casting (TCC) and appropriate moisture balance. Primary endpoints were the number of patients to achieve complete wound closure and percentage change in ulcer size. Secondary endpoints were pain levels and adverse events. Results: For the study, 145 patients were randomised with index ulcers graded Infectious Diseases Society of America (IDSA) 1 or 2, or Wagner 1 or 2. In the intention-to-treat analysis, 18/64 (28.1%) patients healed in the SOC group at 12 weeks compared with 36/81 (44.4%) in the SOC plus TOT group (p=0.044). There was a statistically significant reduction in wound area between the groups: SOC group mean reduction: 40% (standard deviation (SD) 72.1); SOC plus TOT group mean reduction: 70% (SD 45.5); per protocol p=0.005). There were no significant differences in changes to pain levels or adverse events. Conclusion: This study suggests that the addition of TOT to SOC facilitates wound closure in patients with hard-to-heal DFUs.


2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S537-S539
Author(s):  
D T Rubin ◽  
M C Dubinsky ◽  
S Danese ◽  
R Saad-Hossne ◽  
D Ponce de Leon ◽  
...  

Abstract Background Tofacitinib is an oral, small-molecule JAK inhibitor for the treatment of ulcerative colitis (UC). Efficacy and safety of tofacitinib were demonstrated in three Phase 3, randomised, placebo-controlled trials in patients with moderate to severe UC.1 Patients who received tofacitinib 10 mg twice daily (BID) for 8 weeks (weeks) in OCTAVE Induction 1 and 2 (NCT01465763; NCT01458951) and did not achieve a clinical response (ie induction non-responders [IndNR]) could enter an ongoing, Phase 3, open-label, long-term extension (OLE) study (OCTAVE Open; NCT01470612). We present an update, as of May 2019, of previously published data up to December 2016 from the OLE study for IndNR patients.2 Methods IndNR patients received tofacitinib 10 mg BID in the OLE study. Patients who were still non-responders after an additional 8 weeks of induction were required to discontinue. Clinical response, remission and mucosal healing were evaluated up to Month (M)36 of the OLE study. Adverse events (AEs) and serious AEs (SAEs) are also presented. Results 429 IndNR patients enrolled in the OLE study, 295 of which received tofacitinib 10 mg BID during induction trials (Table). The proportions of patients with prior tumour necrosis factor inhibitor and baseline corticosteroid use were slightly higher in non-responders than responders at M2; other baseline characteristics were generally similar in responders and non-responders. At M2, 59.7%, 25.7% and 16.2% of patients achieved clinical response, mucosal healing and remission, respectively (as observed). Corresponding non-responder imputation and last observation carried forward values were 52.2%, 23.1% and 14.2% (Table). The table shows data up to M36. The proportions of patients with AEs, SAEs and discontinuations due to AEs for IndNR patients censored at M2 (52.2%, 3.7% and 2.4%, respectively) were similar to those for all patients in OCTAVE Induction 1 and 2 (tofacitinib: 55.4%, 3.8% and 3.9%; placebo: 56.4%, 6.0% and 4.3%), with no new safety risks identified (table). Conclusion The majority of patients who did not achieve clinical response to tofacitinib 10 mg BID for 8 weeks in the induction studies – and subsequently received an additional 8 weeks of tofacitinib 10 mg BID in the OLE study—achieved clinical response, with a considerable number of patients in remission and/or mucosal healing at M36. No new safety risks were observed in the additional 8 weeks of induction. These data support extended induction with an additional 8 weeks of tofacitinib for non-responders to 8-week induction. Current product labelling recommends 5 mg BID for maintenance in responders.3,4 References


CNS Spectrums ◽  
2020 ◽  
Vol 25 (2) ◽  
pp. 284-285 ◽  
Author(s):  
Robert A. Hauser ◽  
Hadas Barkay ◽  
Hubert H. Fernandez ◽  
Stewart A. Factor ◽  
Joohi Jimenez-Shahed ◽  
...  

Abstract:Background:In the 12-week ARM-TD and AIM-TD studies evaluating deutetrabenazine for the treatment of tardive dyskinesia (TD), the percentage of patients achieving ≥50% response was higher in the deutetrabenazine-treated group than in the placebo group. These studies also showed low rates of overall adverse events (AEs) and discontinuations associated with deutetrabenazine. The current open-label study evaluated the long-term efficacy and safety of deutetrabenazine in patients with TD.Methods:Patients with TD who completed ARM-TD or AIM-TD could enroll in this open-label, single-arm extension study, titrating up over 6 weeks to a maximum total daily dose of deutetrabenazine 48 mg/day on the basis of dyskinesia control and tolerability. The proportion of Abnormal Involuntary Movement Scale (AIMS; items 1-7) responders was assessed based on response rates for achieving ≥50% improvement from baseline in the open-label extension study. AlMS score was assessed by local site raters for this analysis.Results:343 patients enrolled in the extension study. At Week 54 (n=249; total daily dose [mean ± standard error]: 38.6±0.66 mg), the mean percentage change from baseline in AIMS score was –40%; 48% of patients achieved a ≥50% response and 59% of those had already achieved a ≥50% response at Week 15. Further, 34% of those who had not achieved a ≥50% response at Week 15 achieved a ≥50% response at Week 54. At Week 106 (n=169; total daily dose: 39.6±0.77 mg), the mean percentage change from baseline in AIMS score was –45%; 55% of patients achieved a ≥50% response, 59% of those patients had already achieved a ≥50% response at Week 15, and 41% of those who had not achieved a ≥50% response at Week 15 but who reached Week 106 achieved a ≥50% response. At Week 132 (n=109; total daily dose: 39.7±0.97 mg), the mean percentage change from baseline in AIMS score was –61%; 55% of patients achieved a ≥50% response, 61% of those patients had already achieved a ≥50% response at Week 15, and 43% of those who had not achieved a ≥50% response at Week 15 but who reached Week 132 achieved a ≥50% response. Completer analysis suggests that long-term efficacy was not due to dose increases over time. Treatment with deutetrabenazine was generally well tolerated. There were 623 patient-years of exposure through Week 158, and exposure-adjusted incidence rates (incidence/patient-years) of adverse events of special interest were 0.01 for akathisia and restlessness, 0.07 for somnolence and sedation, 0.04 for parkinsonism, and 0.05 for depression.Conclusions:Patients who received long-term treatment with deutetrabenazine achieved response rates that were indicative of clinically meaningful long-term benefit. Results from this open-label trial suggest the possibility of increasing benefit over time with individual dose titration of deutetrabenazine.Funding Acknowledgements:This study was funded by Teva Pharmaceuticals, Petach Tikva, Israel.


2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 3581-3581 ◽  
Author(s):  
Quincy S. Chu ◽  
Derek J. Jonker ◽  
Diane M. Provencher ◽  
Wilson H. Miller ◽  
Nathaniel Bouganim ◽  
...  

3581 Background: LY2880070 (LY) is an oral, selective competitive inhibitor of checkpoint kinase 1 (Chk1). Chk1 inhibitors are known to increase the anti-tumor efficacy of agents such as gemcitabine (GEM), which induce replication stress. Synergy between these two agents has been applied to the clinical setting. Methods: This two-part, open-label multi-center study explores the safety, pharmacokinetics (PK), and anti-tumor activity of LY in patients with advanced or metastatic cancers. The primary objective of this study was to determine the maximum tolerated dose (MTD) for multiple escalating oral doses of LY in combination with GEM. Secondary objectives were to: 1) Characterize the dose-limiting toxicities (DLTs) and overall safety profile for LY; 2) Evaluate the PK of LY; and 3) Evaluate the anti-tumor activity of LY. Patients received LY in a variety of different dose regimens, in combination with GEM (50 to 800 mg/m2) on days 1, 8, and 15 (optional) of a 21-day cycle. Results: The combination of LY with GEM required lower doses of both LY (vs 200 mg BID monotherapy RP2D dose) and GEM (vs approved doses). The dose levels explored ranged from LY:GEM of 10 mg QD:800 mg/m2 to 50 mg BID:100 mg/m2. BID dosing of LY was implemented in order to maximize the total daily dose and avoid the adverse events that appeared to correlate with Cmax. Treatment-emergent adverse events in > 40% of patients included vomiting, nausea, and fatigue. DLTs included reduced platelet count (Gr2), fatigue (Gr3), diarrhea (Gr3), and thrombocytopenia (x2, Gr2). The t1/2 of LY was ~ 5 h, and was not significantly affected by combination with GEM. Two patients had a best overall response of SD for a duration of ≥ 6 cycles, and a confirmed PR was observed in an ovarian cancer patient who had failed multiple regimens. Conclusions: LY was tolerated in combination with lower dose GEM. The toxicity profile can be modulated by changing the dosing frequency from QD to BID while administering the same daily dose. LY may be good candidate for combination therapy with DNA damaging agents. Clinical trial information: NCT02632448 .


2007 ◽  
Vol 51 (6) ◽  
pp. 2011-2015 ◽  
Author(s):  
Dong-Min Kim ◽  
Ki Dong Yu ◽  
Ji Hyun Lee ◽  
Hyun Kuk Kim ◽  
Seung-Hyun Lee

ABSTRACT New antibiotics are required to have the antibacterial activity against doxycycline-resistant Orientia tsutsugamushi. An in vitro sensitivity study showed that telithromycin was more effective than erythromycin for Rickettsia, Bartonella, and Coxiella burnetii. In this prospective, open-label, randomized trial, we enrolled patients with mild-to-moderate scrub typhus. We compared the efficacy and safety of a 5-day telithromycin therapy with those of a 5-day doxycycline therapy at Chosun University Hospital or one of its two community-based affiliated hospitals (Jangheung Hospital and Cheomdan Hospital), which are all located in southwestern Korea, between September and December 2005. A total of 92 patients were randomly assigned to either the telithromycin group (n = 47) or the doxycycline group (n = 45). After the treatment, fever control time was 20.45 ± 12.9 h in the telithromycin group and 22.60 ± 21.44 h in the doxycycline group (P > 0.05). After the treatment, the cure rate was 100% in the telithromycin group and 97.8% in the doxycycline group (P > 0.05). Furthermore, there were no significant differences in time elapsed until such symptoms as headache, myalgia, and rash disappeared. No serious adverse events or death were noted following the treatment in both groups. There were no significant differences in adverse events. In conclusion, the efficacy and safety of a 5-day once-a-day regimen of 800 mg telithromycin were equivalent to those of a 5-day twice-a-day regimen of 100 mg doxycycline in patients with mild-to-moderate scrub typhus. Telithromycin could be considered a promising new antibacterial agent for patients with scrub typhus.


2021 ◽  
Vol 5 (11) ◽  
pp. 705-711
Author(s):  
N.Yu. Pshenichnaya ◽  
◽  
K.V. Zhdanov ◽  

Aim: to assess the efficacy and safety of enisamium iodide (film-coated tablets, 250 mg) for outpatient treatment of moderate-to-severe COVID-19 infection. Patients and Methods: this adaptive, randomized, open-label controlled study on the efficacy and safety of enisamium iodide enrolled 194 patients. The study group included 97 patients, and the comparison group included 97 patients. Comparison group patients received standard therapy. Study group patients received orally 500 mg of enisamium iodide three times daily for seven days. In addition, pathogenic and symptomatic treatment was prescribed. The first component of the primary endpoint was composite efficiency parameter. The second component of the primary endpoint was the proportion of patients with respiratory failure. Registration of deaths, adverse events and serious adverse events was carried out by standard methods. Results: cohort enrollment into part 1 of the study and treatment of all patients were completed. The mean time of the relief of major COVID-19 symptoms (primary combination endpoint) and differences between the study and comparison groups (8 days and 9 days, respectively, p=0.028) were revealed. The rate of respiratory failure in the study group and comparison group was: 4 (4,12%) versus 8 (8,25%) cases respectively. In addition, the effect of this drug on mortality in the groups was compared (one death in the study group and five deaths in the comparison group). The statistical reliability of these differences will be determined during part 2 of this study that started in September 2021. Conclusions: the efficacy and safety of enisamium iodide (film-coated tablets, 250 mg) for the COVID-19 were evaluated. A significant reduction in the time to clinical recovery (by one day) was reported in patients who received enisamium iodide. In addition, the rate of severe respiratory failure and associated mortality also tends to reduce after therapy that includes enisamium iodide. KEYWORDS: enisamium iodide, antivirals, etiopathogenic treatment, SARS-CoV-2, COVID-19, viral lung damage, pneumonia, randomized controlled study, adaptive study, open-label study. FOR CITATION: N.Yu. Pshenichnaya, Zhdanov K.V. Preliminary results of an adaptive randomized open-label controlled study on the efficacy and safety of enisamium iodide for outpatient treatment of the COVID-19 infection. Russian Medical Inquiry. 2021;5(11):705–711 (in Russ.). DOI: 10.32364/2587-6821-2021-5-11-705-711.


BMJ Open ◽  
2018 ◽  
Vol 8 (8) ◽  
pp. e019502 ◽  
Author(s):  
Chunhoo Cheon ◽  
Sohyeon Kang ◽  
Youme Ko ◽  
Mia Kim ◽  
Bo-Hyoung Jang ◽  
...  

IntroductionCancer is a major health problem worldwide and the leading cause of death in many countries. The number of patients with cancer and socioeconomic costs of cancer continues to increase. SH003 is a novel herbal medicine consisting ofAstragalus membranaceus,Angelica gigasandTrichosanthes Kirilowii Maximowicz. Preclinical studies have shown that SH003 has therapeutic anticancer effects. The aim of this study is to determine the maximum tolerated dose of SH003 in patients with solid cancers.Methods and analysisThis study is an open-label, dose-escalation trial evaluating the safety and tolerability of SH003. The traditional 3+3 dose-escalation design will be implemented. Patients with solid cancers will be recruited. According to dose level, the patients will receive one to four tablets of SH003, three times a day for 3 weeks. Toxicity will be evaluated using common terminology criteria for adverse events (CTCAE). Dose-limiting toxicities are defined as grade 3 or higher adverse events based on CTCAE. The maximum tolerated dose will be determined by the highest dose at which no more than one of six patients experiences dose-limiting toxicity.Ethics and disseminationThis study has been approved by the institutional review board of the Ajou University Hospital (reference AJIRB-MED-CT1-16-311). The results of this study will be disseminated through a scientific journal and a conference.Trial registration numberNCT03081819; Pre-results.


2014 ◽  
Vol 03 (02) ◽  
pp. 132-137 ◽  
Author(s):  
Jayesh J. Sanmukhani ◽  
Prafulla Pawar ◽  
Ravindra Mittal

Abstract Background: Despite the advent of 5-HT 3 antagonists, control of delayed gastrointestinal adverse events with cancer chemotherapy is still not optimal. This open label, active controlled, multicentric clinical trial was undertaken to assess the comparative efficacy and safety of ramosetron with ondansetron for the prevention of acute and delayed nausea and vomiting associated with emetogenic cancer chemotherapy in adult patients in India. Materials and Methods: Enrolled patients received treatment with ramosetron hydrochloride 0.1 mg or ondansetron hydrochloride 4 mg tablets once daily in the morning for 5 days starting 1 h before the start of chemotherapy. Severity grades of nausea and vomiting were recorded on a daily basis for a period of 5 days and complete response rate (CRR) and effective rate (ER) were calculated. Clinical adverse events were recorded and hematological and biochemical investigations were performed for safety assessment. Results: A total of 114 patients in ramosetron group and 100 patients in ondansetron group completed the study and were eligible for efficacy and safety analysis. CRR and ERs show that while ramosetron is non-inferior to ondansetron in the control of early nausea and vomiting (occurring during the first 24 h) after the treatment with emetogenic chemotherapy, it is superior to ondansetron in the control of delayed nausea and vomiting (occurring after the first 24 h). The proportion of patients achieving a cumulative complete response (for the entire study period) is significantly greater in ramosetron group as compared to ondansetron group (27.2% vs. 7.0%; P < 0.001). Ramosetron was well tolerated by all the study participants. Conclusions: Ramosetron is significantly more effective than ondansetron for the control of delayed nausea and vomiting induced by emetogenic cancer chemotherapy.


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