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Phase Ib/II trial of gemcitabine, cisplatin, and lenalidomide as first-line therapy in patients with metastatic urothelial carcinoma.


ABSTRACT: Outcomes with current chemotherapy in metastatic urothelial carcinoma (MUC) remain poor. Lenalidomide, an antiangiogenic and immunomodulatory agent, enhances the effects of chemotherapy in preclinical studies. In this phase Ib/II study, we sought to determine a tolerable dose of lenalidomide in combination with gemcitabine and cisplatin (GCL) in patients with MUC and to explore the safety and activity of this regimen.Patients with chemotherapy-naïve MUC received gemcitabine 1,000 mg/m(2) on days 1 and 8 and cisplatin 70 mg/m(2) on day 1 every 21 days. In phase Ib, there were four planned escalating dose levels of lenalidomide (10, 15, 20, and 25 mg) daily on days 1-14.Seven patients received GCL in phase Ib. The dose of lenalidomide was not escalated beyond 10 mg because of cytopenias requiring repeated dose delays and reductions. Two additional patients were enrolled in phase II, but the study was ultimately terminated due to poor tolerability and slow accrual. The most frequent grade ? 3 adverse events were cytopenias and diarrhea. Three of the nine patients experienced an objective response (one complete response, two partial responses).Chronic administration of the GCL regimen was poorly tolerated because of additive and cumulative myelosuppression.

SUBMITTER: Agarwal N 

PROVIDER: S-EPMC4153455 | biostudies-literature | 2014 Sep

REPOSITORIES: biostudies-literature

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Phase Ib/II trial of gemcitabine, cisplatin, and lenalidomide as first-line therapy in patients with metastatic urothelial carcinoma.

Agarwal Neeraj N   Apolo Andrea B AB   Tsao Che-Kai CK   Lee Karen M KM   Godbold James H JH   Soto Rothschild R   Poole Austin A   Gimpel-Tetra Kiev K   Lowe Nancy N   Oh William K WK   Galsky Matthew D MD  

The oncologist 20140722 9


<h4>Background</h4>Outcomes with current chemotherapy in metastatic urothelial carcinoma (MUC) remain poor. Lenalidomide, an antiangiogenic and immunomodulatory agent, enhances the effects of chemotherapy in preclinical studies. In this phase Ib/II study, we sought to determine a tolerable dose of lenalidomide in combination with gemcitabine and cisplatin (GCL) in patients with MUC and to explore the safety and activity of this regimen.<h4>Methods</h4>Patients with chemotherapy-naïve MUC receive  ...[more]

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