At a glance
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A Phase 1b/2 Open-Label Study With Randomization in Phase 2 of IMU-131 HER2/Neu Peptide Vaccine Plus Standard of Care Chemotherapy in Patients With HER2/Neu Overexpressing Metastatic or Advanced Adenocarcinoma of the Stomach or Gastroesophageal Junction
In Brief
A Phase 2 clinical trial evaluating IMU-131 and Cisplatin and either Fluorouracil (5-FU) or Capecitabine or Oxaliplatin and capecitabine. for Gastrointestinal Neoplasms and Adenocarcinoma. Completed, enrolled 64 participants across 22 sites in 7 countries.
Detailed Summary
The Phase 1b study is an open-label, multicenter dose escalation study designed to assess the safety, tolerability, immunogenicity and recommended phase 2 dose (RP2D) of IMU-131. The RP2D will be evaluated in the dose expansion Phase 2 study. The Phase 2 study is a randomized, open label comparison of IMU-131 plus standard of care chemotherapy versus standard of care chemotherapy alone.
Study Details
Timeline
Interventions
IMU-131 vaccine is a P467-CRM197 peptide antigen in PBS buffer and Montanide ISA 51 Sterile adjuvant
Chemotherapy will consist of: cisplatin by intravenous administration at 80 mg/m2 on the first day of each cycle and either 5-FU, 4000 mg/m2 CIV (administered as 1000 mg/m2/day as continuous infusion for 96 hours on days 1 to 4 of each cycle) or capecitabine for 14 days at 2000 mg/m2/day, orally (administered as 1000 mg/m2 twice daily morning and evening for a total of 2000 mg/m2/day on days 1 to 14 of each cycle), or (in Phase 2 only) oxaliplatin, by intravenous administration at 130 mg/m2 on Day 1 of each cycle and capecitabine for 14 days at 2000 mg/m2/day, orally (administered as 1000 mg/m2 twice daily morning and evening for a total of 2000 mg/m2/day on days 1 to 14 of each cycle).