Phase II trial of cytoreductive stereotactic hypofractionated radiotherapy with combination ipilimumab/nivolumab for metastatic kidney cancer (CYTOSHRINK).

2020 ◽  
Vol 38 (6_suppl) ◽  
pp. TPS761-TPS761 ◽  
Author(s):  
Aly-Khan A. Lalani ◽  
Anand Swaminath ◽  
Gregory Russell Pond ◽  
Anil Kapoor ◽  
William Chu ◽  
...  
Keyword(s):  
Overall Survival ◽  
Phase Ii ◽  
Objective Response Rate ◽  
Response Rate ◽  
Phase Ii Trial ◽  
Objective Response ◽  
Standard Of Care ◽  
Poor Risk ◽  
Kidney Lesion ◽  
Risk Patients

TPS761 Background: Randomized data from the interferon era demonstrated modest survival benefits of cytoreductive nephrectomy (CN) in patients with advanced renal cell carcinoma (aRCC). Results from SURTIME and CARMENA, conducted in the VEGF-targeted therapy era, have challenged the routine use of upfront CN especially in IMDC intermediate and poor risk patients. Furthermore, the treatment landscape in aRCC now includes first-line combination immunotherapy. Data from the Checkmate-214 trial showed that intermediate/poor risk patients have improved overall survival and objective response rate with ipilimumab and nivolumab (I/N) compared to sunitinib. Stereotactic body radiation therapy (SBRT) provides a convenient method for cytoreduction of the primary kidney lesion and may induce an ‘abscopal effect’, leading to enhanced systemic anti-tumour immune response. We hypothesize that SBRT to the primary kidney mass in aRCC patients will enhance the efficacy of I/N compared to standard of care I/N alone. Methods: This phase II trial randomizes untreated aRCC patients in a 2:1 fashion to I/N plus SBRT (30-40 Gy in 5 fractions) to the primary kidney mass between cycles 1 and 2 (experimental arm, E), versus standard of care I/N alone (standard arm, S). Eligible patients have biopsy-proven aRCC (any histology), IMDC intermediate/poor risk disease, and who decline or are unsuitable for CN. Patients with a primary kidney lesion ≥ 20cm, previous abdominal radiation precluding SBRT, or who have a contraindication to I/N are excluded. The primary objective is to compare the efficacy of I/N plus SBRT versus I/N alone, as determined by the hazard ratio for progression free survival (PFS). Secondary objectives include evaluation of safety, overall survival, objective response rate, and health-related quality of life. Exploratory analyses include blood immune signatures and stool microbiome. Up to 78 patients will be enrolled under the assumption of an improved 12-month PFS from 50% (S) to 75% (E), using a two-sided α=0.1, power=80%, and accounting for loss-to-follow-up and stratification using IMDC criteria 1-2 vs 3-6. Clinical trial information: NCT04090710.

Efficacy and safety of localized concurrent chemoradiation therapy and sorafenib sequential therapy in advanced hepatocellular carcinoma: A prospective phase II trial.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e15678-e15678
Author(s):  
Beom Kyung Kim ◽  
Do Young Kim ◽  
Hye Jin Choi ◽  
Seung-Hoon Beom ◽  
Hye Won Lee ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Overall Survival ◽  
Objective Response Rate ◽  
Median Overall Survival ◽  
Response Rate ◽  
Phase Ii Trial ◽  
Objective Response ◽  
Advanced Hepatocellular Carcinoma ◽  
Efficacy And Safety ◽  
Sorafenib Treatment

e15678 Background: Patients with advanced hepatocellular carcinoma (HCC) have a particularly poor prognosis of the median overall survival of less than 12 months. Even though sorafenib has been approved for treating advanced stage HCC, the unsatisfactory objective response rate still remain unresolved. In the current study, we aimed to evaluate the efficacy and safety of localized concurrent chemoradiotherapy (CCRT) followed by sequential sorafenib treatment for advanced hepatocellular carcinoma. Methods: This study is an ongoing, phase II trial. Patients with advanced HCC not amenable for curative treatments were eligible. In the course of radiotherapy for 5 weeks, hepatic arterial infusion of 5-fluorouracil (500mg/day) via implanted port was applied during the first 5 days and the last 5 days of radiotherapy. Four weeks after localized CCRT, sorafenib (400mg bid) was maintained. The primary endpoint was overall survival. Results: A total of 47 patients were enrolled. After the completion of localized CCRT, the objective response rate was 31.9%. During the overall treatment course, the objective response rate was 46.8% respectively. Overall, 7 patients (14.9%) underwent curative resection or transplantation after down-staging. The median overall survival was 18.4 months and the progression-free survival was 6.8 months. Adverse events were predictable and manageable with conservative care. Conclusions: Localized CCRT followed by sequential sorafenib treatment in patients with advanced HCC showed significant activity and good tolerability. Furthermore, such a treatment modality, when compared to the use of sorafenib alone, might provide the additional therapeutic benefit through initial tumor reduction, allowing curative treatment after down-staging in 14.9% of patients, Further randomized trial should be required to make the more robust evidence. Clinical trial information: NCT02425605.

scholarly journals A Phase II Study of Glembatumumab Vedotin for Metastatic Uveal Melanoma

Cancers ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 2270
Author(s):  
Merve Hasanov ◽  
Matthew J. Rioth ◽  
Kari Kendra ◽  
Leonel Hernandez-Aya ◽  
Richard W. Joseph ◽  
...  
Keyword(s):  
Overall Survival ◽  
Uveal Melanoma ◽  
Phase Ii ◽  
Stable Disease ◽  
Objective Response Rate ◽  
Response Rate ◽  
Phase Ii Study ◽  
Objective Response ◽  
Progression Free Survival ◽  
Free Survival

Glembatumumab vedotin (CDX-011, GV) is a fully human Immunoglobulin G2 monoclonal antibody directed against glycoprotein NMB coupled via a peptide linker to monomethyl auristatin E (MMAE), a potent cytotoxic microtubule inhibitor. This phase II study evaluated the overall response rate and safety of GV, glycoprotein NMB (GPNMB) expression, and survival in patients with metastatic uveal melanoma. Eligible patients with metastatic uveal melanoma who had not previously been treated with chemotherapy received GV 1.9 mg/kg every three weeks. The primary endpoint was the objective response rate (ORR). Secondary endpoints included GPNMB expression, progression-free survival (PFS), overall survival (OS), and toxicity analysis. GPNMB expression was assessed pre- and post-treatment via immunohistochemistry for patients with available tumor tissue. Out of 35 patients who received treatment, two patients had confirmed partial responses (PRs; 6%), and 18 patients had a stable disease (SD; 51%) as the best objective response. 38% of the patients had stable disease >100 days. The grade 3 or 4 toxicities that occurred in two or more patients were neutropenia, rash, hyponatremia, and vomiting. The median progression-free survival was 3.1 months (95% CI: 1.5–5.6), and the median overall survival was 11.9 months (95% CI 9.0–16.9) in the evaluable study population. GV is well-tolerated in metastatic uveal melanoma. The disease control rate was 57% despite a low objective response rate. Exploratory immune correlation studies are underway to provide insight into target saturation, combination strategies, and antigen release.

scholarly journals Randomized Phase II Trial of Vincristine-Irinotecan With or Without Temozolomide, in Children and Adults With Relapsed or Refractory Rhabdomyosarcoma: A European Paediatric Soft tissue Sarcoma Study Group and Innovative Therapies for Children With Cancer Trial

2021 ◽  
pp. JCO.21.00124
Author(s):  
Anne-Sophie Defachelles ◽  
Emilie Bogart ◽  
Michela Casanova ◽  
Johannes H. M. Merks ◽  
Gianni Bisogno ◽  
...  
Keyword(s):  
Overall Survival ◽  
Soft Tissue ◽  
Soft Tissue Sarcoma ◽  
Adverse Events ◽  
Objective Response Rate ◽  
Response Rate ◽  
Phase Ii Trial ◽  
Objective Response ◽  
Progression Free Survival ◽  
Free Survival

PURPOSE The VIT-0910 trial was conducted to evaluate efficacy and safety of the vincristine-irinotecan combination with and without temozolomide (VIT and VI, respectively) in relapsed or refractory rhabdomyosarcoma (RMS). METHODS In this randomized European phase II trial, patients age 0.5-50 years received 21-day cycles combining vincristine (1.5 mg/m2 once a day on day 1 and day 8) and irinotecan (50 mg/m2 once a day from day 1 to day 5) with and without temozolomide (125 mg/m2 once a day from day 1 to day 5 and 150 mg/m2 once a day from cycle 2), until progression or unacceptable toxicity. The primary end point was objective response rate after two cycles. Secondary end points included best response, progression-free survival, overall survival, and adverse events. A Simon 2-stage design was initially planned to separately analyze 40 patients/arm. After amendment, the trial sample size was increased to 120 and a comparison between arms, adjusted for confounding factors, was added to the statistical plan (ClinicalTrials.gov, NCT01355445 ). RESULTS Overall, 120 patients (60 per arm) were recruited in 37 European centers. The median age was 11 years (range, 0.75-45); 89% of patients had a relapsed RMS. The objective response rate was 44% (24 of 55 evaluable patients) for VIT versus 31% (18 of 58) for VI (adjusted odds ratio, 0.50; 95% CI, 0.22 to 1.12; P = .09). The VIT arm achieved significantly better overall survival (adjusted hazard ratio, 0.55; 95% CI, 0.35 to 0.84; P = .006) compared with VI, with consistent progression-free survival results (adj-hazard ratio, 0.68; 95% CI, 0.46 to 1.01; P = .059). Overall, patients experienced adverse events ≥ grade 3 more frequently with VIT than VI (98% v 78%, respectively; P = .009), including a significant excess of hematologic toxicity (81% v 61%; P = .025). CONCLUSION The addition of temozolomide to VI improved chemotherapy efficacy for patients with relapsed RMS, with manageable increase in toxicity. VIT is considered the new standard treatment in these patients in the European paediatric Soft Tissue Sarcoma Group and will be the control arm in the next randomized trial.

A randomized phase II/III study comparing carboplatin and irinotecan with carboplatin and etoposide for the treatment of elderly patients with extensive-disease small cell lung cancer (JCOG1201/TORG1528).

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. 8571-8571
Author(s):  
Tsuneo Shimokawa ◽  
Yuki Misumi ◽  
Hiroaki Okamoto ◽  
Yukio Hosomi ◽  
Isamu Okamoto ◽  
...  
Keyword(s):  
Overall Survival ◽  
Phase Ii ◽  
Objective Response Rate ◽  
Response Rate ◽  
Objective Response ◽  
Progression Free Survival ◽  
Japanese Patients ◽  
Significant Difference ◽  
Elderly Japanese ◽  
Elderly Japanese Patients

8571 Background: Carboplatin and etoposide is the current standard treatment for elderly extensive-disease small-cell lung cancer (ED-SCLC). The purpose of this study is to evaluate the efficacy and safety of carboplatin and irinotecan compared with carboplatin and etoposide in elderly Japanese patients with ED-SCLC in a randomized phase II/III design. Methods: Eligibility included histologically or cytologically proven SCLC, no previous systemic chemotherapy, performance status of 0 to 2, and aged 71 years or older. Patients received carboplatin (AUC 5 mg/ml/min on day 1) and etoposide (80 mg/m2 on day 1 to 3) (CE) every 3 weeks for 4 cycles or carboplatin (AUC 4 mg/ml/min on day 1) and irinotecan (50 mg/m2 on day 1 and 8) (CI) every 3 weeks for 4 cycles. In the phase II part, the primary endpoint was the objective response rate of the CI arm and the secondary endpoint was adverse events. In the phase III part, the primary endpoint was overall survival, and the secondary endpoints were progression-free survival, objective response rate, adverse events, and symptom score. This study was designed to confirm the superiority of CI arm in terms of overall survival over CE arm. The median survival time with CI arm was expected to be increased by 3.5 months with hazard ratio (HR) of 0.750 (10.5 vs. 14.0 months). The sample size was set at 250 to observe the required number of events of 227 with one-sided alpha level of 0.05, a power of 70%, an accrual period of 6.5 years, and a follow-up period of 1.5 years. Results: Between December 2013 and June 2019, 258 patients were randomized (CE arm, 129 patients; CI arm, 129 patients). The median age was 75 (range, 71-90). The characteristics of the patients were well balanced between CE arm and CI arm. Overall survival, progression-free survival, and objective response rate of CE arm vs. CI arm were 12.0 (95% CI, 9.3-13.7) vs. 13.2 (95% CI, 11.1-14.6) months (HR, 0.848 (95% CI, 0.650-1.105)) (one-sided P=0.11), 4.4 (95% CI, 4.0-4.7) vs. 4.9 months (95% CI, 4.5-5.2) (HR, 0.851 (95% CI, 0.664-1.090)) (two-sided P=0.21), and 59.7% (77 of 129) vs. 64.3% (83 of 129), respectively. Symptom score showed no significant difference between the arms. Higher incidences of myelosuppression of grade 3 or worse occurred with CE arm, whereas higher incidences of gastrointestinal toxicity of grade 3 or worse occurred with CI arm. Three treatment-related deaths including lung infection in CE arm and lung infection and sepsis in CI arm were observed. Conclusions: Efficacy tended to be favorable in carboplatin and irinotecan arm, but there was no statistically significant difference. These results indicate that carboplatin and etoposide is a still standard treatment in elderly Japanese patients with ED-SCLC. Clinical trial information: 000012605.

scholarly journals Intensive Multimodality Treatment for Children With Newly Diagnosed CNS Atypical Teratoid Rhabdoid Tumor

2009 ◽  
Vol 27 (3) ◽  
pp. 385-389 ◽  
Author(s):  
Susan N. Chi ◽  
Mary Ann Zimmerman ◽  
Xiaopan Yao ◽  
Kenneth J. Cohen ◽  
Peter Burger ◽  
...  
Keyword(s):  
Overall Survival ◽  
Radiation Therapy ◽  
Objective Response Rate ◽  
Response Rate ◽  
Objective Response ◽  
Malignant Neoplasm ◽  
Rhabdoid Tumor ◽  
Atypical Teratoid Rhabdoid Tumor ◽  
Newly Diagnosed ◽  
Atypical Teratoid

Purpose Atypical teratoid rhabdoid tumor (ATRT) of the CNS is a highly malignant neoplasm primarily affecting young children, with a historic median survival ranging from 6 to 11 months. Based on a previous pilot series, a prospective multi-institutional trial was conducted for patients with newly diagnosed CNS ATRT. Patients and Methods Treatment was divided into five phases: preirradiation, chemoradiation, consolidation, maintenance, and continuation therapy. Intrathecal chemotherapy was administered, alternating intralumbar and intraventricular routes. Radiation therapy (RT) was prescribed, either focal (54 Gy) or craniospinal (36 Gy, plus primary boost), depending on age and extent of disease at diagnosis. Results Between 2004 and 2006, 25 patients were enrolled; 20 were eligible for evaluation. Median age at diagnosis was 26 months (range, 2.4 months to 19.5 years). Gross total resection of the primary tumor was achieved in 11 patients. Fourteen patients had M0 disease at diagnosis, one patient had M2 disease, and five patients had M3 disease. Fifteen patients received radiation therapy: 11 focal and four craniospinal. Significant toxicities, in addition to the expected, included radiation recall (n = 2) and transverse myelitis (n = 1). There was one toxic death. Of the 12 patients who were assessable for chemotherapeutic response (pre-RT), the objective response rate was 58%. The objective response rate observed after RT was 38%. The 2-year progression-free and overall survival rates are 53% ± 13% and 70% ± 10%, respectively. Median overall survival has not yet been reached. Conclusion This intensive multimodality regimen has resulted in a significant improvement in time to progression and overall survival for patients with this previously poor-prognosis tumor.

Effects of adding necitumumab to first-line chemotherapy in patients with stage IV non-small-cell lung cancer: Meta-analysis

2019 ◽  
Vol 26 (6) ◽  
pp. 1331-1342
Author(s):  
Irena Ilic ◽  
Sandra Sipetic ◽  
Jovan Grujicic ◽  
Milena Ilic
Keyword(s):  
Overall Survival ◽  
Objective Response Rate ◽  
Advanced Nsclc ◽  
Response Rate ◽  
Meta Analysis ◽  
Objective Response ◽  
Stage Iv ◽  
Progression Free Survival ◽  
First Line ◽  
Free Survival

Introduction Almost half of patients with non-small-cell lung cancer (NSCLC) are diagnosed at an advanced stage. Our aim was to assess the effects of adding necitumumab to chemotherapy in patients with stage IV NSCLC. Material and methods A comprehensive literature search was performed according to pre-specified inclusion and exclusion criteria. Data on overall survival, progression-free survival, objective response rate and adverse events were extracted. A meta-analysis was performed to obtain pooled hazard ratios (HR) and corresponding 95% confidence intervals (CI) for time-to-event data and pooled odds ratio (OR) with 95% CI for dichotomous outcomes. Results The meta-analysis included four randomized clinical trials with 2074 patients. The pooled results showed significant improvement for overall survival (HR = 0.87 (95% CI 0.79–0.95), p = 0.004) when necitumumab was added to chemotherapy in patients with advanced NSCLC. No statistically significant improvement was noted for progression-free survival and objective response rate (HR = 0.83 (95% CI 0.69–1.01), p = 0.06 and OR = 1.46 (95% CI 0.90–2.38), p = 0.13, respectively). Subgroup analysis showed that in patients with non-squamous NSCLC, there was no benefit in overall survival and objective response rate. Patients with advanced NSCLC who received necitumumab were at the highest odds of developing a skin rash (OR = 14.50 (95% CI 3.16–66.43), p = 0.0006) and hypomagnesaemia (OR = 2.77 (95% CI 2.23–3.45), p < 0.00001), while the OR for any grade ≥3 adverse event was 1.55 (95% CI 1.28–1.87, p < 0.00001). Conclusions The addition of necitumumab to standard chemotherapy in a first-line setting in patients with stage IV NSCLC results in a statistically significant improvement in overall survival, while the results were not significant for progression-free survival and objective response rate.

scholarly journals Pyrotinib in HER2-Mutant Advanced Lung Adenocarcinoma After Platinum-Based Chemotherapy: A Multicenter, Open-Label, Single-Arm, Phase II Study

2020 ◽  
Vol 38 (24) ◽  
pp. 2753-2761 ◽  
Author(s):  
Caicun Zhou ◽  
Xingya Li ◽  
Qiming Wang ◽  
Guanghui Gao ◽  
Yiping Zhang ◽  
...  
Keyword(s):  
Lung Adenocarcinoma ◽  
Phase Ii ◽  
Objective Response Rate ◽  
Response Rate ◽  
Phase Ii Study ◽  
Objective Response ◽  
Unmet Need ◽  
Open Label ◽  
Platinum Based Chemotherapy ◽  
Grade 3

PURPOSE Targeted therapies against non–small-cell lung cancer (NSCLC) harboring HER2 mutations remain an unmet need. In this study, we assessed the efficacy and safety of pyrotinib in patients with HER2-mutant advanced NSCLC in a prospective, multicenter, open-label, single-arm, phase II study. PATIENTS AND METHODS Patients with stage IIIB or IV HER2-mutant lung adenocarcinoma who were previously treated with platinum-based chemotherapy were enrolled to receive pyrotinib at a dose of 400 mg/d for 21-day cycles. The primary end point was objective response rate per independent review committee (IRC). RESULTS Between October 20, 2016, and December 10, 2018, 60 patients received pyrotinib monotherapy. At baseline, 58 (96.7%) were stage IV, and 25 (41.7%) received at least 2 lines of prior chemotherapy. As of data cutoff on June 20, 2019, IRC-assessed objective response rate was 30.0% (95% CI, 18.8% to 43.2%). All subgroups of patients with different HER2 mutation types showed a favorable objective response rate. The objective response rates were similar between patients with and without brain metastases (25.0% v 31.3%). The median duration of response was 6.9 months (95% CI, 4.9 to 11.1 months). The median progression-free survival was 6.9 months (95% CI, 5.5 to 8.3 months) per IRC. The median overall survival was 14.4 months (95% CI, 12.3 to 21.3 months). Treatment-related adverse events of grade 3 or 4 occurred in 28.3% of patients, with the most common being diarrhea (20.0%; all grade 3). No treatment-related deaths were reported. CONCLUSION Pyrotinib showed promising antitumor activity and an acceptable safety profile in chemotherapy-treated patients with HER2-mutant NSCLC.

scholarly journals Phase Ib/II Study of Pembrolizumab and Pegylated-Interferon Alfa-2b in Advanced Melanoma

2018 ◽  
Vol 36 (35) ◽  
pp. 3450-3458 ◽  
Author(s):  
Diwakar Davar ◽  
Hong Wang ◽  
Joe-Marc Chauvin ◽  
Ornella Pagliano ◽  
Julien J. Fourcade ◽  
...  
Keyword(s):  
Overall Survival ◽  
Objective Response Rate ◽  
Response Rate ◽  
Objective Response ◽  
Stage Iv ◽  
Progression Free Survival ◽  
Pegylated Interferon ◽  
Gene Signature ◽  
Advanced Melanoma ◽  
Phase Ib

Purpose Objective responses are reported in 34% to 37% of patients with programmed death-1 (PD-1)–naïve advanced melanoma treated with PD-1 inhibitors. Pre-existing CD8+ T-cell infiltrate and interferon (IFN) gene signature correlate with response to PD-1 blockade. Here, we report a phase Ib/II study of pembrolizumab/pegylated (PEG)-IFN combination in PD-1–naïve advanced melanoma. Patients and Methods PEG-IFN (1, 2, and 3 μg/kg per week) was dose escalated using a modified toxicity probability interval design in three cohorts of four patients each, whereas pembrolizumab was dosed at 2 mg/kg every 3 weeks in the phase Ib portion. Thirty-one patients were enrolled in the phase II portion. Primary objectives were safety and incidence of dose-limiting toxicities. Secondary objectives included objective response rate, progression-free survival (PFS), and overall survival. Results Forty-three patients with stage IV melanoma were enrolled in the phase Ib and II portions of the study and included in the analysis. At the data cutoff date (December 31, 2017), median follow-up duration was 25 months (range, 1 to 38 months). All 43 patients experienced at least one adverse event; grade 3/4 treatment-related adverse events occurred in 21 of 43 patients (48.8%). Objective responses were seen at all three dose levels among 43 evaluable patients. The objective response rate was 60.5%, with 46.5% of patients exhibiting ongoing response. Median PFS was 11.0 months in all patients and unreached in responders, whereas median overall survival remained unreached in all patients. The 2-year PFS rate was 46%. Conclusion Pembrolizumab/PEG-IFN demonstrated an acceptable toxicity profile with promising evidence of clinical efficacy in PD-1–naïve metastatic melanoma. These results support the rationale to further investigate this pembrolizumab/PEG-IFN combination in this disease.

Phase II trial of chlorozotocin and fluorouracil in islet cell carcinoma: a Southwest Oncology Group study.

1992 ◽  
Vol 10 (12) ◽  
pp. 1914-1918 ◽  
Author(s):  
R M Bukowski ◽  
C Tangen ◽  
R Lee ◽  
J S Macdonald ◽  
A B Einstein ◽  
...  
Keyword(s):  
Cell Carcinoma ◽  
Phase Ii ◽  
Islet Cell ◽  
Renal Toxicity ◽  
Phase Ii Trial ◽  
Median Response ◽  
Islet Cell Carcinoma ◽  
Poor Risk ◽  
Risk Patients ◽  
Good Risk

PURPOSE A phase II trial that used fluorouracil (5-FU) and chlorozotocin (CTZ) was performed in patients with metastatic islet cell carcinoma to determine the response rate and toxicity. PATIENTS AND METHODS Patients received four cycles of induction chemotherapy. Good-risk patients received 5-FU 800 mg/m2/d days 1 to 4 as a continuous intravenous (IV) infusion (CIV) and CTZ 175 mg/m2 IV on day 1. Poor-risk patients (previous radiation to > or = 25% bone marrow-bearing areas; serum bilirubin > or = 5 mg/dL; creatinine > 1.0 mg/dL) received 5-FU 600 mg/m2/d and CTZ 75 mg/m2 in a similar manner. In responding or stable patients, reduced doses of 5-FU and CTZ were continued as maintenance therapy (maximum, 18 months). RESULTS Forty-seven of 51 patients were eligible, and 44 received chemotherapy. Fourteen of 44 patients had partial responses, with 13 of 36 (36%; 95% confidence interval [CI], 21.0% to 54.0%) good-risk patients and one of eight (12%; 95% CI, 0.3 to 52.6%) poor-risk patients responding. Median survival of all patients was 25 months, and the median response duration was 11 months. Side effects were moderate to severe and included myelosuppression and gastrointestinal toxicity. Thirteen patients developed renal toxicity, which was severe or life-threatening in five. This seemed to be related to the administration of cumulative doses of CTZ > or = 1,500 mg. CONCLUSION These results demonstrate that the combination of 5-FU and CTZ has activity in islet cell carcinoma, but the occurrence of renal toxicity secondary to CTZ may limit the use of this agent.

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