Genius Study Study to Compare Efficacy and Safety of Gefitinib/ Pemetrexed With Pemetrexed Alone as Maintenance Therapy in Patients With Stage IV EGFR Mutation Negative or T790M Single Mutation Who Respond to Pemetrexed/ Platinum as First-line Therapy
Last updated on July 2021Recruitment
- Recruitment Status
- Unknown status
- Estimated Enrollment
- 338
Summary
- Conditions
- NSCLC
- Type
- Interventional
- Phase
- Phase 2Phase 3
- Design
- Allocation: RandomizedIntervention Model: Parallel AssignmentMasking: None (Open Label)Primary Purpose: Treatment
Participation Requirements
- Age
- Between 20 years and 125 years
- Gender
- Both males and females
Description
The hypothesis tested in this study is that gefitinib / pemetrexed as maintenance therapy in patients with advanced (stage IV) EGFR mutation negative nonsquamous NSCLC who respond to 4 cycles of pemetrexed / cisplatin or pemetrexed/carboplatin as first-line therapy will achieve longer PFS than pemet...
The hypothesis tested in this study is that gefitinib / pemetrexed as maintenance therapy in patients with advanced (stage IV) EGFR mutation negative nonsquamous NSCLC who respond to 4 cycles of pemetrexed / cisplatin or pemetrexed/carboplatin as first-line therapy will achieve longer PFS than pemetrexed alone. We assume a median PFS of 4 months for patients receiving pemetrexed alone and the hazard ratio of pemetrexed alone compared to gefitinib/pemetrexed would be 0.42. It also indicates that the median PFS in gefitinib/pemetrexed group will be approximately 9.52 months. This is a 2-arm study in a 1:1 randomisation. Assuming an uniform accrual of 12-month with an addition of 12-month follow-up period, the total evaluable number of patients will be 52 to achieve a power of 80% and one-sided significance level of 0.025 to detect such difference between gefitinib/pemetrexed and pemetrexed alone. Assuming 60% of patients respond (CR/PR/SD) to 4 cycles of pemetrexed/gefitinib, and among them 60% are EGFR mutation negative, 144 patients need to be enrolled to receive 4 cycles of pemetrexed/cisplatin or pemetrexed/carboplatin as first-line therapy. Besides, the result of anaplastic lymphoma kinase gene (ALK) mutation will be retrospectively collected if the mutation is available for study patients during the study period.
Tracking Information
- NCT #
- NCT01579630
- Collaborators
- National Taiwan University Hospital
- Taichung Veterans General Hospital
- China Medical University Hospital
- Dalin Tzu Chi General Hospital
- Tri-Service General Hospital
- Investigators
- Not Provided