Kakkis Tandon
Kakkis Tandon
Multi-Domain
Responder Index
Multi-Domain
Responder Index
Clinical Trial Model
Clinical Trial Model
A New Way to Evaluate Drugs for
Rare & Ultra Rare Diseases (and beyond)
CEO and President, Ultragenyx
SVP, Biometrics &
Development Strategy, Ultragenyx
Emil D. Kakkis, M.D., Ph.D.
The Multi-Domain Responder Index: A Novel Analysis Tool to Capture a Broader Assessment of Clinical Benefit in Heterogeneous Complex Rare Diseases
Emil D. Kakkis, M.D., Ph.D. and P. K. Tandon, Ph.D.
2021
Report by Pomona College Statistics student, Uras Uyal (Ultyragenyx Research Intern Summer 2025) and Prof. Jo Hardin, PhD
June 30, 2025