Common heartburn drug may ease rare sun allergy
NCT ID NCT05020184
First seen Jan 22, 2026 · Last updated May 19, 2026 · Updated 13 times
Summary
This study tested whether cimetidine, a common heartburn medication, can help people with rare genetic conditions that cause severe, painful reactions to sunlight. 26 participants took the drug to see if it lowered harmful blood chemicals and improved their ability to be outdoors. The goal was to reduce light sensitivity and improve quality of life.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Atrium Health Wake Forest Baptist Medical Center
Winston-Salem, North Carolina, 27157, United States
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Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
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University of Texas Medical Branch
Galveston, Texas, 77555, United States
Conditions
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