5-fluorouracil, oxaliplatin and dasatinib (FOLFOX-D) for previously untreated metastatic pancreatic adenocarcinoma.

2017 ◽  
Vol 35 (4_suppl) ◽  
pp. TPS517-TPS517
Author(s):  
Thomas J. George ◽  
Long H. Dang ◽  
Karen Colleen Daily ◽  
Jason Scott Starr ◽  
Hiral D. Parekh ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Pancreatic Adenocarcinoma ◽  
Phase Ii ◽  
Kinase Inhibitor ◽  
Progression Free Survival ◽  
Circulating Tumor Cell ◽  
Target Lesion ◽  
Metastatic Pancreatic Adenocarcinoma ◽  
Investigation Methods ◽  
Cancer Phenotype

TPS517 Background: Systemic chemotherapy for pancreatic adenocarcinoma improves survival and cancer related symptoms. Most targeted agents combined with gemcitabine have consistently failed to demonstrate clinical benefits. Src is overexpressed in pancreatic cancer and promotes an aggressive cancer phenotype. Dasatinib (D) is an oral multi-tyrosine kinase inhibitor (TKI) affecting tumor proliferation through inhibition of Src, Bcr-Abl, CKit and other pathways. Inhibition of Src is associated with biologic modifications favorably modifying the pancreatic cancer phenotype and has synergy with restoring inherent chemosensitivity. Src inhibition can also increase oxaliplatin activity and modulate Tcell responses. The addition of D to the well-established backbone of FOLFOX represents a multifaceted line of scientific investigation. Methods: This is a multicenter phase II trial to determine activity and toxicity of FOLFOX + D in previously untreated metastatic pancreatic adenocarcinoma. Eligible pts must have at least 1 measurable target lesion by RECIST, ECOG PS 0-2, normal QTc and adequate organ function. Pts received standard cycles of mFOLFOX6 repeated q14d with continuous D (150mg PO daily). Tumor assessments occur q8w. Endpoints included progression-free survival (primary; PFS), objective and biochemical response rates, clinical benefit rate, freedom from metastases, overall survival (OS), toxicity, and quality of life. Exploratory tissue, circulating tumor cell and serum analyses to identify predictors of response are planned, particularly in those demonstrating durable disease control or exceptional response. Sample size was based on a 50% improved median PFS from 4 (historical) to 6 months. NCT01652976. Results: Enrollment continues on this prospective phase II study with 38 of 42 evaluable patients. There are no unexpected toxicities noted thus far. Clinical trial information: NCT01652976. [Table: see text]

Final toxicity results from a phase II study of 5-fluorouracil, oxaliplatin, and dasatinib (FOLFOX-D) in previously untreated metastatic pancreatic adenocarcinoma.

2018 ◽  
Vol 36 (4_suppl) ◽  
pp. 504-504
Author(s):  
Thomas J. George ◽  
Jason Scott Starr ◽  
Hiral D. Parekh ◽  
Alison Marguerite Ivey ◽  
Long H. Dang ◽  
...  
Keyword(s):  
Pancreatic Adenocarcinoma ◽  
Phase Ii ◽  
Kinase Inhibitor ◽  
Phase Ii Study ◽  
Circulating Tumor Cell ◽  
Target Lesion ◽  
Primary Objective ◽  
Investigation Methods ◽  
Clinical Benefits ◽  
Ecog Ps

504 Background: Systemic chemotherapy for pancreatic adenocarcinoma (PCa) improves survival but most targeted agents have consistently failed to demonstrate clinical benefits. Src is overexpressed in PCa and promotes an aggressive cancer phenotype. Dasatinib (D) is an oral multi-tyrosine kinase inhibitor (TKI) affecting tumor proliferation through inhibition of Src, Bcr-Abl, CKit and other pathways. Inhibition of Src is associated with biologic modifications favorably modifying the PCa phenotype and has synergy with restoring inherent chemosensitivity. Src inhibition can also increase oxaliplatin activity and modulate Tcell responses. The addition of D to the well-established backbone of FOLFOX represents a multifaceted line of scientific investigation. Methods: This single arm phase II trial is to determine activity and toxicity of FOLFOX + D in previously untreated metastatic PCa. Pts must have at least 1 RECIST measurable target lesion, ECOG PS 0-2, normal QTc and adequate organ function. Treatment is standard q14d cycles of mFOLFOX6 with continuous D (150mg PO daily). Tumor assessments occur q8w. Endpoints are PFS (primary), objective and biochemical response rates, clinical benefit rate, freedom from metastases, overall survival (OS), toxicity, and quality of life. Exploratory tissue, circulating tumor cell and serum analyses to identify predictors of response are planned, particularly in those with durable disease control or exceptional response. Sample size is based on a 50% improved median PFS from 4 (historical) to 6 months. Results: Enrollment is now closed on this prospective phase II study with 42 of 42 evaluable pts. Baseline demographics are in Table 1. Toxicity and outcomes continue to be assessed. Conclusions: Final toxicity data will be presented at the meeting for this novel combination treatment in advanced PCa. Clinical trial information: NCT01652976. [Table: see text]

A randomized phase II and coagulation study of bevacizumab alone or with docetaxel in patients with previously treated metastatic pancreatic adenocarcinoma

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 4556-4556 ◽  
Author(s):  
I. A. Astsaturov ◽  
N. J. Meropol ◽  
R. K. Alpaugh ◽  
J. D. Cheng ◽  
N. L. Lewis ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Growth Factor ◽  
Pancreatic Adenocarcinoma ◽  
Phase Ii ◽  
Stable Disease ◽  
Circulating Endothelial Cells ◽  
Randomized Phase Ii ◽  
Metastatic Pancreatic Adenocarcinoma ◽  
Coagulation Study ◽  
Previously Treated

4556 Background: Vascular endothelial growth factor (VEGF) is overexpressed in pancreatic cancer and interacts with coagulation to promote angiogenesis. We performed this randomized phase II study of bevacizumab (BEV) alone or with docetaxel (DOC) in patients (pts) with previously treated metastatic pancreatic adenocarcinoma to investigate their clinical activity and interaction with coagulation. Methods: Eligible pts had one prior gemcitabine regimen, PS 0–1, measurable disease, and no bleeding/thrombosis. BEV was given at 10 mg/kg IV Q 2 weeks alone (Arm A) or with DOC (Arm B) at 35 mg/m2 IV on days 1, 8, and 15 Q 28 days. CT scans were obtained every 2 cycles. The primary endpoint was progression-free survival (PFS), with secondary endpoints response rate and overall survival (OS). Peripheral blood was obtained for coagulation parameters, basic fibroblast growth factor (bFGF), VEGF, and circulating endothelial cells (CEC). A two-stage design with a target median PFS of =4 months in either arm and early stopping for futility was utilized. Results: Thirty pts (15 per arm) received 88 cycles of therapy (44 per arm, median 2, range <1–10). Pt characteristics: median age 61.5 (range 38–81), ECOG 0/1 (11/19). Seven pts in Arm A and 8 in Arm B had grade 3/4 events. Serious adverse events were 5 DVT/PE (3-Arm A; 2-Arm B) and 2 bowel perforations (1 per arm). Best reponse was 4 pts with stable disease in Arm A and 5 pts with stable disease and one unconfirmed PR in Arm B. Median PFS and OS were 43 and 181 days in Arm A and 45 and 123 days in Arm B (p=0.5 for PFS, p=0.8 for OS). The study was stopped after only 2/15 pts per arm had PFS of =4 months. In multivariate analysis, higher bFGF (HR=1.4, p=0.008) and thrombin/antithrombin complex (TAT) levels on treatment (HR=1.75, p<0.001) were associated with worse OS. D-dimer, tissue factor and TAT levels on d15 were associated with increased venous thrombosis and GI perforation (p=0.04). VEGF plasma levels and CEC at all time points were not associated with clinical outcomes. Conclusions: BEV alone or with DOC has minimal antitumor activity in gemcitabine-refractory pancreatic cancer. Increased plasma bFGF and coagulation markers during therapy predict for worse OS and increased perforation and thrombosis. [Table: see text]

Phase II study of biweekly administration of CPT-11 and gemcitabine in chemotherapy-naive patients with metastatic pancreatic cancer in Japan.

2013 ◽  
Vol 31 (15_suppl) ◽  
pp. e15150-e15150
Author(s):  
Ryoji Takada ◽  
Tatsuya Ioka ◽  
Nobuko Ishida ◽  
Takuo Yamai ◽  
Nobuyasu Fukutake ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Phase Ii ◽  
Combination Chemotherapy ◽  
Phase Ii Study ◽  
Single Agent ◽  
Progression Free Survival ◽  
Current Standard ◽  
Free Survival ◽  
Metastatic Pancreatic Adenocarcinoma ◽  
Grade 3

e15150 Background: The current standard therapies for metastatic pancreatic adenocarcinoma in Japan are the single-agent Gemcitabine (Gem) or S-1 and Gem plus erlotinib. Irinotecan (CPT-11) is one of the promising drugs for Gem-refractory PC pts. Both Irinotecan and Gem have shown activity against these diseases with different mechanisms and are non-cross-resistant with each other. Japanese pts have the different metabolism with Irinotecan rather than pts in western countries. Methods: The aim of this phase II study was to evaluate the efficacy and safety of CPT-11 and Gem in Japanese pancreatic cancer pts. Patients with MPC and PS 0-2 were enrolled in this phase II trial. CPT-11, 100mg/m (2), was administered in 90 min. and Gem, 1000mg/m (2), was administered in 30 min. soon after CPT-11 on day1. Chemotherapy was repeated biweekly. Results: From May 2002 to May 2006 40 pts, with median age of 62 (40-74) years, were enrolled in this study. The overall response rate (RR) was 15% with disease control rate of 50%. The median progression-free survival (PFS) was 4.0 months (range: 1.0-15.0 months), and median overall survival (OS) was 7.5 months (range: 3.0-24.0 months). Grade 3/4 anemia, leucopenia occurred in 26.3, 5.2% of pts. The most common non-hematologic toxities were fatigue, diarrhea, nausea/vomiting and anorexia. Grade 3 diarrhea and nausea occurred in 10.5% of pts. Conclusions: The combination chemotherapy with Gem and CPT-11 showed favorable RR as expected and the treatment was manageable in Japanese pts with MPC. We plan to evaluate this combination chemotherapy for MPC pts after progression of FOLFIRINOX in near the future. Clinical trial information: UMIN000009963.

Phase II and Pharmacodynamic Study of the Farnesyltransferase Inhibitor R115777 as Initial Therapy in Patients With Metastatic Pancreatic Adenocarcinoma

2003 ◽  
Vol 21 (7) ◽  
pp. 1301-1306 ◽  
Author(s):  
Steven J. Cohen ◽  
Linus Ho ◽  
Sulabha Ranganathan ◽  
James L. Abbruzzese ◽  
R. Katherine Alpaugh ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Pancreatic Adenocarcinoma ◽  
Phase Ii ◽  
Mononuclear Cells ◽  
Single Agent ◽  
Clinical Activity ◽  
Peripheral Blood Mononuclear ◽  
Pancreatic Cell ◽  
Metastatic Pancreatic Adenocarcinoma ◽  
Ftase Activity

Purpose: R115777 is a selective nonpeptidomimetic inhibitor of farnesyltransferase (FTase), one of several enzymes responsible for posttranslational modification that is required for the function of p21ras and other proteins. Given that RAS mutations are nearly universal in pancreatic cancer and R115777 demonstrated preclinical activity against pancreatic cell lines and xenografts, this phase II study was undertaken to determine its clinical activity and effect on target proteins in patients with measurable metastatic pancreatic adenocarcinoma. Patients and Methods: Twenty patients who had not received prior therapy for metastatic disease were treated with 300 mg of R115777 orally every 12 hours for 21 of 28 days. Inhibition of FTase activity in peripheral-blood mononuclear cells was measured using a lamin B C-terminus peptide as substrate. Western blot analysis was performed to monitor farnesylation status of the chaperone protein HDJ-2. Results: No objective responses were seen. Median time to progression was 4.9 weeks, and median survival time was 19.7 weeks. The estimated 6-month survival rate was 25%, with no patients progression-free at 6 months. Grade 3/4 toxicities were liver enzyme elevation, anemia, neutropenia, thrombocytopenia, fatigue, nausea/vomiting, rash, and anorexia. FTase activity (mean ± SD) decreased by 49.8% ± 9.8% 4 hours after treatment on day 1 and 36.1% ± 24.8% before treatment on day 15. HDJ-2 farnesylation (mean ± SD) decreased by 33.4% ± 19.8% on day 15. Conclusion: Although treatment with R115777 resulted in partial inhibition of FTase activity in mononuclear cells, it did not exhibit single-agent antitumor activity in patients with previously untreated metastatic pancreatic cancer.

A phase II study of capecitabine-gemcitabine(CapGem) as a first line therapy in Bangladeshi patients with locally advanced or metastatic pancreatic adenocarcinoma

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 15100-15100
Author(s):  
M. S. Reza ◽  
M. A. Hai ◽  
Q. Chowdhury
Keyword(s):  
Pancreatic Cancer ◽  
Pancreatic Adenocarcinoma ◽  
Phase Ii ◽  
Phase Ii Study ◽  
Performance Status ◽  
Locally Advanced ◽  
Ecog Performance Status ◽  
Pain Status ◽  
Metastatic Pancreatic Adenocarcinoma ◽  
Ca 19.9

15100 Background: Pancreatic cancer is one of the cancers with very poor prognosis because of its diagnosis at an advanced or metastatic stages. There is no consensus on the optimal management of locally advanced or metastatic pancreatic cancer. This phase II study was designed to evaluate the efficacy and safety of CapGem in patients (Pts.) with pancreatic adenocarcinoma. Methods: From January 2001 to December 2004, 30 pts with; histologically / cytologically proven, bidimensionally measurable locally advanced or metastatic pancreatic adenocarcinoma, age 18∼75 years with ECOG performance status 0∼3, no prior chemotherapy, life expectancy >3 months, adequate bone marrow, renal, hepatic and haematological values were enrolled. It was an open - labeled, non-randomized, single - centered and prospective study. The pts received Capecitabine 750mg/m2 twice dailly,days 1–14,orally and Gemcitabine 1000mg/m2 days 1 & 8, intravenous infusion at an interval of 21 days.The efficacy was measured by response rates, CA-19.9 & pain status and safety was measured by adverse events and laboratory blood values. Results: This study consisted of 16 (53.33%) male and 14 (46.67%) female pts. Median age was 52 years. 18 (60%) pts were inoperable locally advanced and the remaining 12 (40%) were metastatic diseases where 8 hepatic and 4 pulmonary. In total, 152 cycles chemotherapy were administered with a median of 5.06 cycles per pt and 28/30 pts were evaluated for responses. The overall response was 9 ( 32.14%) with 2 complete and 7 partial responses. 14 pts (50%) had stable diseases and 5 (17.86%) had progressive diseases. There was 55% decrease in CA-19.9 and pain reduction was 60%. Overall survival was10 months. Grade 3 haematological toxicities were observed as follows: neutropenia 30% and anaemia 18%. Some non- haematological toxicities including nausea & vomiting 30%, diarrhoea 20% and hand foot syndrome 10% were observed. Conclusions: This phase II study supports the use of CapGem combination in chemo naive locally advanced or metastatic pancreatic adenocarcinoma due to its promising anti-tumor activity with well-tolerated toxicities in Bangladeshi pts. No significant financial relationships to disclose.

scholarly journals Cabozantinib As Salvage Therapy for Patients With Tyrosine Kinase Inhibitor–Refractory Differentiated Thyroid Cancer: Results of a Multicenter Phase II International Thyroid Oncology Group Trial

2017 ◽  
Vol 35 (29) ◽  
pp. 3315-3321 ◽  
Author(s):  
Maria E. Cabanillas ◽  
Jonas A. de Souza ◽  
Susan Geyer ◽  
Lori J. Wirth ◽  
Michael E. Menefee ◽  
...  
Keyword(s):  
Thyroid Cancer ◽  
Targeted Therapy ◽  
Phase Ii ◽  
Differentiated Thyroid Cancer ◽  
Kinase Inhibitor ◽  
Objective Response ◽  
Evaluation Criteria ◽  
Growth Factor Receptor ◽  
Progression Free Survival ◽  
Multikinase Inhibitor

Purpose Sorafenib and lenvatinib are oral multikinase inhibitors targeting vascular endothelial growth factor receptor (VEGFR) and approved for radioiodine (RAI)-refractory differentiated thyroid cancer (DTC). However, there are no approved second- or third-line therapies. MET is implicated in resistance to VEGFR inhibitors. Cabozantinib is an oral multikinase inhibitor targeting MET in addition to VEGFR and is approved for medullary thyroid cancer. In a phase I study of cabozantinib, five of eight patients with DTC previously treated with a VEGFR-targeted therapy had an objective response to cabozantinib. Patients and Methods Patients with RAI-refractory disease with Response Evaluation Criteria in Solid Tumor (RECIST) measurable disease and evidence of progression on prior VEGFR-targeted therapy were enrolled in this single-arm phase II study. The cabozantinib starting dose was 60 mg/day orally but could be escalated to 80 mg if the patient did not experience a response. Patients underwent tumor assessment according to RECIST v1.1 every 8 weeks. In this study, if at least five of 25 response-evaluable patients had an objective response, cabozantinib would be considered a promising agent in this patient population. Results Twenty-five patients were enrolled. The median age was 64 years, and 64% of patients were men. Twenty-one patients had received only one prior VEGFR-targeted therapy (sorafenib, pazopanib, or cediranib), and four patients had received two such therapies. The most common treatment-related adverse events were fatigue, weight loss, diarrhea, palmar-plantar erythrodysesthesia, and hypertension. One drug-related death was noted. Of the 25 patients, 10 (40%) had a partial response, 13 (52%) had stable disease, and two (8%) had nonevaluable disease. The median progression-free survival and overall survival were 12.7 months and 34.7 months, respectively. Conclusion Cabozantinib demonstrated clinically significant, durable objective response activity in patients with RAI-refractory DTC who experienced disease progression while taking prior VEGFR-targeted therapy.

Biologically optimized schedule of gemcitabine and nab-paclitaxel regimen in metastatic pancreatic adenocarcinoma.

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. TPS4168-TPS4168
Author(s):  
Laith I. Abushahin ◽  
Anne M. Noonan ◽  
John L. Hays ◽  
Pannaga G. Malalur ◽  
Ashish Manne ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Tumor Cells ◽  
Pancreatic Adenocarcinoma ◽  
Cell Lines ◽  
Dose Intensity ◽  
Standard Of Care ◽  
Significance Level ◽  
Pancreatic Cancer Cells ◽  
Metastatic Pancreatic Adenocarcinoma

TPS4168 Background: Metastatic pancreatic adenocarcinoma has a poor prognosis, and improvements in therapy have been challenging. Alongside efforts in developing novel agents, there is a need to optimize and maximize the benefit of currently approved drugs. Gemcitabine + nab-paclitaxel is a frequently used regimen for pancreatic adenocarcinoma. Nab-paclitaxel is albumin–bound chemotherapy; hence the role of albumin uptake is critical for its effect. Caveolae are small membrane invaginations essential for transendothelial albumin uptake. Cav-1 is the principal structural component of caveolae. Williams and colleagues have published a series of preclinical studies demonstrating that tumor cell-specific Cav-1 expression directly correlates with albumin and albumin-bound chemotherapy uptake and subsequent apoptotic response in tumor cells. In vitro studies showed that exposure of pancreatic cancer cells to Gemcitabine resulted in up-regulation of Cav-1 peaking 48 hours after gemcitabine exposure. This Cav-1 up-regulation correlated with increased temporal albumin cellular uptake. In addition, Williams and colleagues noted that exposure of pancreatic cancer cell lines to Gemcitabine resulted in a time–specific re-entry of cells into the G2/M phase (nab-paclitaxel cytotoxicity phase) between 48-60 hours after gemcitabine treatment. Collectively this data suggest that infusing nab-paclitaxel after 48 hours of gemcitabine infusion would be optimal for both increased uptake as well as increased susceptible tumor cells. We had previously shown this effect on multiple cell lines as well as mouse models. Methods: This is a phase II trial; patients will receive a standard of care chemotherapy regimen consisting of FDA-approved Gemcitabine + nab-paclitaxel with modification of the schedule to deliver nab-paclitaxel 48 hours (2 days) after gemcitabine infusions. The primary endpoint is ORR, with a null hypothesis of 20% vs. a target of 35%. Employing a 2-stage design (minimax) and assuming 80% power and a 0.05 significance level, a total of 53 patients will be required. In the first stage, if at least 7/31 patients respond to therapy, an additional 22 patients will be added for a total of 53 patients. The study will be terminated early if ≤ six patients respond in the first stage. Observation of response in at least 16/53 patients would be required to warrant further investigation of this infusion schedule of combination therapy. The secondary endpoints include the safety of the regimen schedule, Relative dose intensity, disease control rate, PFS, and OS. The trial opened to enrollment in June 2020 and is accepting patients. Clinical trial information: NCT04115163.

scholarly journals Is there an oligometastatic state in pancreatic cancer? Practical clinical considerations raise the question

2020 ◽  
Vol 93 (1106) ◽  
pp. 20190627
Author(s):  
Marta Scorsetti ◽  
Tiziana Comito ◽  
Davide Franceschini ◽  
Ciro Franzese ◽  
Maria Giuseppina Prete ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Overall Survival ◽  
Pancreatic Adenocarcinoma ◽  
Local Treatment ◽  
Stage Iv ◽  
Progression Free Survival ◽  
Free Survival ◽  
Number Of Patients ◽  
Clinical Considerations

Objectives: To evaluate the role of stereotactic body radiotherapy (SBRT) as a local ablative treatment (LAT) in oligometastatic pancreatic cancer. Methods: Patients affected by histologically confirmed stage IV pancreatic adenocarcinoma were included in this analysis. Endpoints are local control (LC), progression-free survival (PFS), and overall survival (OS). Results: From 2013 to 2017, a total of 41 patients were treated with SBRT on 64 metastases. Most common sites of disease were lung (29.3%) and liver (56.1%). LC at 1 and 2 years were 88.9% (95% CI 73.2–98.6) and 73.9% (95% CI 50–87.5), respectively. Median LC was 39.9 months (95% CI 23.3—not reached). PFS rates at 1 and 2 years were 21.9% (95% CI 10.8–35.4) and 10.9% (95% CI 3.4–23.4), respectively. Median PFS was 5.4 months (95%CI 3.1–11.3). OS rates at 1 and 2 years were 79.9% (95% CI 63.7–89.4) and 46.7% (95% CI 29.6–62.2). Median OS was 23 months (95%CI 14.1–31.8). Conclusions: Our results, although based on a retrospective analysis of a small number of patients, show that patients with oligometastatic pancreatic cancer may benefit from local treatment with SBRT. Larger studies are warranted to confirm these results. Advances in knowledge: Selected patients affected by oligometastatic pancreatic adenocarcinoma can benefit from local ablative approaches, like SBRT

Sorafenib With Interferon Alfa-2b As First-Line Treatment of Advanced Renal Carcinoma: A Phase II Study of the Southwest Oncology Group

2007 ◽  
Vol 25 (22) ◽  
pp. 3296-3301 ◽  
Author(s):  
Christopher W. Ryan ◽  
Bryan H. Goldman ◽  
Primo N. Lara ◽  
Philip C. Mack ◽  
Tomasz M. Beer ◽  
...  
Keyword(s):  
Adverse Events ◽  
Phase Ii ◽  
Renal Carcinoma ◽  
Response Rate ◽  
Kinase Inhibitor ◽  
Phase Ii Study ◽  
Performance Status ◽  
Combined Treatment ◽  
Progression Free Survival ◽  
Interferon Alfa

Purpose This phase II study evaluated the activity of combined treatment with interferon alfa-2b and sorafenib, a Raf and multiple receptor tyrosine kinase inhibitor, in patients with advanced renal carcinoma. Patients and Methods Eligible patients had metastatic or unresectable renal carcinoma with a clear-cell component, no prior systemic therapy, performance status 0 to 1, and measurable disease. Treatment consisted of interferon alfa-2b 10 × 106 U subcutaneously three times weekly and sorafenib 400 mg orally bid. The primary end point was confirmed Response Evaluation Criteria in Solid Tumors response rate. Results Twelve (19%) of 62 assessable patients achieved an objective confirmed response. An additional 31 (50%) had an unconfirmed partial response or stable disease as best response. The median progression-free survival was 7 months (95% CI, 4 to 11 months). The most common adverse events were fatigue, anorexia, anemia, diarrhea, nausea, rigors/chills, leukopenia, fever, and transaminase elevation. Von Hippel-Lindau gene mutations were detected in four (22%) of 18 archival tumor specimens. Conclusion The confirmed response rate for the combination of sorafenib and interferon in advanced renal carcinoma is greater than expected with either interferon or sorafenib alone. The toxicity of this combination is dominated by adverse events common to interferon that limit further development of this regimen.

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