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In this video interview, Mwango Kashoki, MD, MPH, senior vice president and global head of regulatory strategy at Parexel, outlines the steps sponsors can take today—from early FDA engagement and robust non-clinical programs to adaptive trial designs and confirmatory evidence packages—to avoid delays as the guidance moves toward finalization.

In this video interview, Mwango Kashoki, MD, MPH, senior vice president and global head of regulatory strategy at Parexel, discusses how heterogeneity in disease course and patient characteristics creates confounding risk when using natural history data as an external control, and what sponsors need to do to achieve meaningful patient matching.

In this video interview, Mwango Kashoki, MD, MPH, senior vice president and global head of regulatory strategy at Parexel, examines the biological, dosing, and population-level considerations that sponsors must get right from the start when using basket and other master protocol designs to evaluate individualized therapies across multiple conditions.

In this video interview, Mwango Kashoki, MD, MPH, senior vice president and global head of regulatory strategy at Parexel, breaks down how the FDA evaluates substantial evidence of effectiveness for individualized therapies in ultra-rare conditions, and why that determination depends on the totality of mechanistic, biomarker, and clinical outcome data rather than trial numbers alone.

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A collaborative study by the Tufts Center for the Study of Drug Development and CRIO identifies protocol interpretation and source document preparation as an understudied yet significant bottleneck in study start-up timelines that may hold key opportunities for efficiency gains.

In this video interview, Mwango Kashoki, MD, MPH, senior vice president and global head of regulatory strategy at Parexel, explains how the plausible mechanism framework reshapes the development timeline for individualized therapies by allowing first-in-human studies to serve as pivotal trials and giving sponsors earlier clarity on the evidence needed for approval.