The FDA has approved nivolumab plus chemotherapy as a neoadjuvant treatment for operable stage IIA to IIIB non–small cell lung cancer, based on data from the phase 3 CheckMate 77T trial.
The FDA has approved neoadjuvant nivolumab plus chemotherapy followed by adjuvant nivolumab in patients with operable stage IIA to IIIB NSCLC, as supported by findings from the phase 3 CheckMate 77T trial presented at the 2023 ESMO Congress.1
Updated data were presented at the 2024 ESMO Congress, showing that perioperative nivolumab led to a benefit in EFS vs placebo in this patient population. At a median follow-up of 33.3 months (range, 23.6-52.1), those given perioperative nivolumab (n = 229) had a median EFS of 40.1 months (95% CI, 33.7-not reached) vs 17.0 months (95% CI, 13.6-28.1) in the placebo arm (n = 232; HR, 0.59; 95% CI, 0.45-0.79).2,3 At 12 months, the EFS rates across arms were 73% (95% CI, 67%-79%) vs 59% (95% CI, 52%-65%), and the 24-month rates were 65% (95% CI, 58%-71%) vs 44% (95% CI, 38%-51%), respectively.
Patients who achieved a pathologic complete response (pCR) and received nivolumab (n = 58) demonstrated a notable EFS benefit compared with those who received a placebo (n = 11; HR, 0.59; 95% CI, 0.12-2.91). Likewise, patients in the nivolumab arm who did not achieve a pCR (n = 98) also showed an EFS benefit vs those in the placebo group without a pCR (n = 148; HR, 0.75; 95% CI, 0.51-1.09).
“It is a major step forward for our patients with lung cancer. We're extremely encouraged to see these results,” Tina Cascone, MD, PhD, associate professor of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, and CheckMate 77T investigator, told Targeted OncologyTM in an interview.
Higher rates of pathologic complete response (pCR) and major pathologic response (MPR) in the nivolumab arm were also observed, suggesting better tumor shrinkage compared with placebo. pCR in the nivolumab arm was 25.3% vs 4.7% in the placebo arm. MPR was 35.4% in the nivolumab arm vs 12.1% in the placebo arm.4
For safety, 32% of patients in the nivolumab arm had treatment-related adverse events (AEs) vs 25% in the placebo arm, and both arms experienced a rate of surgery-related AEs of 12%.