Pembrolizumab is emerging as a potential treatment option for younger patients with low-risk classic Hodgkin lymphoma who exhibit a slow early response to frontline chemotherapy. Updated results from the phase 2 KEYNOTE-667 trial, presented at the 2024 ASH Annual Meeting by Dr. Christine Mauz-Koerholz and colleagues, suggest that pembrolizumab could improve outcomes in this specific patient population.
The KEYNOTE-667 trial (NCT03407144) investigated the efficacy of pembrolizumab in children, adolescents, and young adults with low-risk classic Hodgkin lymphoma who demonstrated a slow early response to initial chemotherapy regimens. Dr. Mauz-Koerholz, from the Martin Luther University Halle-Wittenberg, highlighted the potential role of pembrolizumab in this setting.
Hodgkin lymphoma is a type of cancer that affects the lymphatic system. While generally treatable, some patients, particularly younger individuals with low-risk disease, may not respond optimally to standard frontline chemotherapy. This unmet need has driven the investigation of alternative and adjunctive therapies like pembrolizumab.
Pembrolizumab, an anti-PD-1 therapy, works by blocking the interaction between PD-1 and PD-L1, thereby unleashing the immune system to attack cancer cells. Its mechanism of action makes it a promising candidate for patients with Hodgkin lymphoma, where immune evasion plays a significant role in disease progression.
The updated findings from KEYNOTE-667 provide further evidence supporting the use of pembrolizumab in younger patients with low-risk classic Hodgkin lymphoma and slow early response to frontline chemotherapy. Further studies are needed to fully define the optimal role of pembrolizumab in this patient population and to identify predictive biomarkers for treatment response.