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FDA to shift from two to one clinical trial for most new drug approvals to accelerate access.
The FDA plans to replace its decades-old requirement of two clinical trials for new drug approvals with a default standard of one study, aiming to speed up access to treatments.
The change, driven by advances in science and data analysis, builds on existing flexibility for rare and life-threatening diseases, where single trials already approve about 60% of first-time drugs.
While safety standards remain high, the shift may reduce development time and costs, especially for common conditions.
However, stricter requirements continue for vaccines and gene therapies, highlighting inconsistent application across product types.
La FDA cambiará de dos a un ensayo clínico para la mayoría de las nuevas aprobaciones de medicamentos para acelerar el acceso.