Table 2. Summary of completed and ongoing immunotherapy trials in small cell lung cancer.
| Immunotherapy | Target | Phase | Stage | Results |
|---|---|---|---|---|
| BEC2/BCG | GD3 | III | Limited stage SCLC | OS 16.4 months with BSC and 14.3 months with BEC2/BCG; HR =1.12; 95% CI: 0.91-1.371 (55) |
| Ipilimumab or placebo + paclitaxel/carboplatin | CTLA-4 | II | Previously untreated extensive stage SCLC | Phased Ipilimumab improved irPFS vs. control (HR: 0.64; P=0.03) (56) |
| Ipilimumab/carboplatin/etoposide | CTLA-4 | II | Previously untreated extensive stage SCLC | Ongoing (57) |
| Carboplatin/etoposide +/– ipilimumab | CTLA-4 | III | Previously untreated extensive stage SCLC | Ongoing (58) |
| Nivolumab +/– ipilimumab | PD1 and CTLA-4 | II | Previously treated after first line extensive stage SCLC | Ongoing (59) |
BSC, best supportive care; HR, hazard ratio; OR, overall response.