Phase II Randomized Trial of Nivolumab With or Without Ipilimumab in Patients With Persistent or Recurrent Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

Trial ID # NCT02498600; NRG-GY003
Phase II
Drug Class Immunotherapy: Checkpoint Inhibitors/CTLA-4
Drug Name Ipilimumab
Alternate Drug Names Anti-Cytotoxic T-Lymphocyte-Associated Antigen-4 Monoclonal Antibody, MDX-010, Yervoy
Drugs in Trial Ipilimumab, Nivolumab
Eligible Participant

Partially platinum sensitive, resistant or refractory ovarian cancer, 1-3 prior therapies, no prior immune checkpoint inhibitor

Patients Enrolled

100; 62% Pt-R

Therapy Setting

Recurrence

Study Design

Open-Label, Randomized

Endpoints

ORR, PFS, OS, evaluated per RECIST

Efficacy

Ipi+Niv (n=51) vs Niv (n=49):

ORR: 31.4 (3CR, 13PR) vs 12.2% (3CR, 3PR)(p=0.034)
PFS: 3.9 vs 2.0 months, HR: 0.53 (0.34-0.82, p=0.0041)
OS: HR: 0.79 (0.44-1.42)

Clinically Significant Adverse Events

Ipi+Niv vs Niv:
Serious AE: none
Grade 3-4 AE: any (67 vs 55%), elevated pancreatic enzymes (16 vs 6%)

Conclusion

Encouraging anti-tumor activity of ipilimumab and nivolumab combination with favorable benefit over risk

Reference

Zamarin D et al. Randomized Phase II Trial of Nivolumab Versus Nivolumab and Ipilimumab for Recurrent or Persistent Ovarian Cancer: An NRG Oncology Study. J Clin Oncol (2020) 38(16):1814-1823
https://www.ncbi.nlm.nih.gov/pubmed/32275468

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