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Erkan Duman, PhD

Data Journalist, Medicine Supply Map
Twitter
Supply Chain
 // December 11, 2025

Different medicines, same chokepoints: Key starting materials concentrate supply chain risk for widely used therapeutic classes

USP’s ongoing series on geographic concentration in U.S.

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Erkan Duman, PhD
Different medicines, same chokepoints: Key starting materials concentrate supply chain risk for widely used therapeutic classes
Supply Chain
 // October 14, 2025

Concentrated origins, widespread risk: New USP insights on key starting materials

This blog is part of a series on the geographic concentration of pharmaceutical manufacturing

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Gabriela Grasa Mannino, PhD Erkan Duman, PhD Shreyash Suryavanshi
Concentrated origins, widespread risk: New USP insights on key starting materials
Supply Chain
 // July 28, 2025

India and the EU dominate API manufacturing for the most-used ATC-3 therapeutic classes in the U.S. market

This blog continues our exploration of global pharmaceutical supply chain vulnerabilities, specif

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Erkan Duman, PhD
woman about to take medicine, doctor pointing at medicine
Supply Chain
 // April 17, 2025

Over half of the active pharmaceutical ingredients (API) for prescription medicines in the U.S. come from India and the European Union

This blog is part of a series on the geographic concentration of pharmaceutical manufacturing

Vimala Raghavendran Executive Blogger Bio Photograph
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Vimala Raghavendran Erkan Duman, PhD Praewpaka Drucker
Over half of the active pharmaceutical ingredients (API) for prescription medicines in the U.S. come from India and the European Union

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