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EFZO-Fit Trial for Pulmonary Sarcoidosis

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Trial Objectives


Researchers want to understand if an investigational medication called efzofitimod is safe, effective and tolerated by people with pulmonary sarcoidosis in the EFZO-Fit trial. The trial will also evaluate if efzofitimod can maintain lung function and allow people to lower their dose of steroids used as treatment for pulmonary sarcoidosis. Participants will receive a monthly IV infusion of a randomly assigned efzofitimod or a placebo (an inactive substance that looks the same and is administered the same as efzofitimod).

Who Can Participate


Adults who have a confirmed pulmonary sarcoidosis diagnosis for at least six months and have been receiving a prednisone treatment for at least three months, with a steady dose of prednisone for four weeks prior to enrolling in the study.

Age: 18-75 Gender Any

Estimated Time Commitment


Monthly visits over 52 weeks

Payment & Reimbursement


Payment Provided

Travel Reimbursement Available

Trial Contact


For more information, contact:

Stephanie Leonard
303.270.2411

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Trial Location


National Jewish Main Campus, Denver, CO

Trial Sponsors


aTyr Pharma, Inc.

Principal Investigators

Clara Restrepo

Clara Restrepo, MD

Co-Investigators

Shu-Yi Liao

Shu-Yi Liao, MD, MPH, ScD

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