New arthritis drug put to the sunlight test

NCT ID NCT05844735

First seen Nov 01, 2025 · Last updated May 15, 2026 · Updated 24 times

Summary

This study checks whether a new medicine for rheumatoid arthritis (SAR441566) makes skin more sensitive to sunlight or UV light. Healthy adults aged 18 to 55 will take the drug or a placebo, and some will take a known light-sensitive drug for comparison. Researchers measure skin redness after UV exposure to see if the drug causes photosensitivity.

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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

Locations

  • TKL Research, Inc. Site Number : 8400001

    Fair Lawn, New Jersey, 07410, United States

Conditions

Explore the condition pages connected to this study.