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June 13, 2014
08:42 EDTOMEDOncoMed halts enrollment, dosing in Phase 1 Vantictumab, Fzd8-Fc trials
OncoMed Pharmaceuticals announced that the company has voluntarily halted patient enrollment and dosing in its ongoing Phase 1 clinical trials of its two Wnt pathway inhibitor programs, vantictumab and Fzd8-Fc. OncoMed has been informed by the participating clinical sites of recent on-target mild-to-moderate bone-related adverse events for the two programs. To date, bone-related adverse events have been observed in 8 of 63 patients treated with vantictumab and 2 of 41 patients treated with Fzd8-Fc. After careful analysis of the recent mild-to-moderate adverse event incidents, OncoMed has halted enrollment and dosing in the Phase 1 studies for both programs as a precautionary measure. OncoMed, in conjunction with its academic bone expert advisors and study investigators, continues to analyze the clinical data in order to submit amended protocols to the FDA and subsequently to the clinical study sites. The amendments for the Phase 1b combination trials will include 1) modified dosing regimens, such as lower and less frequent dosing, 2) updated risk mitigation measures, such as increased monitoring and bone protection strategies, and 3) modified enrollment criteria. Enrollment and dosing of new patients is expected to resume once amendments go through the process of review by the FDA and approval by the study sites' institutional review boards. In parallel, the company intends to continue existing or modified dosing of those patients in the completed single-agent Phase 1a clinical trials for both vantictumab and Fzd8-Fc who have remained on treatment with the investigational agent for extended periods of time without disease progression and without significant drug-related adverse events. OncoMed has notified the FDA of these actions.
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February 8, 2016
08:10 EDTOMEDOncoMed: FDA says PINNACLE trial should continue under supervision
Following notification of the ALPINE DSMB's findings, OncoMed (OMED) initiated interactions with tarextumab clinical investigators, partner GlaxoSmithKline (GSK), the FDA and the PINNACLE trial's DSMB chairperson to assess potential impact of these results on the overall development program, including the ongoing Phase 2 PINNACLE trial in small-cell lung cancer patients. PINNACLE trial investigators received an addendum to the informed consent form that included a description of the interim analysis from ALPINE. The FDA and the PINNACLE DSMB were provided unblinded data from both Phase 2 trials, a description of OncoMed's exploratory analysis of the ALPINE results and related trial materials for review. The independent analyses of the FDA and PINNACLE DSMB indicated that the PINNACLE trial could continue under the supervision of the PINNACLE DSMB monitoring for safety and efficacy and that appropriate safeguards are in place. OncoMed is conducting the PINNACLE Phase 1b/2 clinical trial of tarextumab for the treatment of small cell lung cancer. The randomized Phase 2 trial is comparing progression-free survival outcomes for patients treated with tarextumab administered at 15 mg/kg every three weeks in combination with etoposide and cisplatin or carboplatin versus patients who receive placebo plus chemotherapy. Additionally, PFS will be assessed using a predictive biomarker for high tumor Notch3 expression. Secondary endpoints for the Phase 2 study include overall survival, overall response rate, pharmacokinetics, safety and other biomarkers. The PINNACLE study is being conducted at about 40 sites in the U.S. and is expected to enroll approximately 130 patients. Results from the Phase 2 PINNACLE trial are anticipated in 2017.
08:09 EDTOMEDOncoMed discontinues dosing in ALPINE trial, unblinds study
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