The Food and Drug Administration (FDA) has formalized its stance on international cancer trials by issuing draft guidance, signaling a move towards broader, multi-regional clinical studies. This initiative aims to expand the scope of trials beyond single countries, addressing concerns about the applicability of data derived from limited geographic regions to the U.S. population.
FDA's Stance on Multi-Regional Trials
Rick Pazdur, the FDA's oncology chief, has previously expressed the desire for companies to conduct trials in multiple regions and enroll a diverse patient population. The new draft guidance supports the agency's review of data from multi-regional clinical trials and helps sponsors improve the generalizability and applicability of results to U.S. patients and medical practice.
In a statement accompanying the release of the draft guidance, Pazdur emphasized that the goal is to ensure that data from clinical trials are relevant and applicable to the U.S. population. This move comes after the FDA had, at one point, shown openness to cancer drugs developed primarily in China, before adopting a more restrictive view.
Industry Impact and Recent Developments
The announcement follows Summit Therapeutics' report of positive data for its experimental lung cancer therapy, ivonescimab, in a late-stage trial conducted exclusively in China, where it outperformed Merck's Keytruda. While the results are promising, Summit Therapeutics plans to initiate a global trial next year to broaden the applicability of its findings.
Implications for Cancer Treatment
By formalizing its protocol for international cancer trials, the FDA is taking steps to ensure that novel therapies are evaluated in diverse populations, ultimately benefiting patients in the U.S. and worldwide. This approach could accelerate the development and approval of innovative cancer treatments, addressing unmet medical needs and improving patient outcomes.