Photosensitivity Disorders clinical trials

The registry lists 25 studies for Photosensitivity Disorders across more than 10 countries. 4 are recruiting or about to start. 13 of them are mainly about Photosensitivity Disorders (how this is decided). Per ClinicalTrials.gov, last updated 2026-10-13. Counting its 2 narrower conditions too, such as Sunburn: 63 studies, 6 open.

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Status

Completed: 16
Recruiting: 4
Status unknown: 2
Active, not recruiting: 1
Withdrawn: 1
Terminated: 1

Phase

Phase 1: 6
Phase 2: 5
Phase 4: 2
Early Phase 1: 1

Where

United States: 12
Brazil: 3
Netherlands: 2
United Kingdom: 2
Germany: 2
Chile: 1

Who runs them

Northwestern University (2) · Herbarium Laboratorio Botanico Ltda (1) · University Hospital Tuebingen (1) · Pfizer (1) · North Florida/South Georgia Veterans Health System (1) · Pak Emirates Military Hospital (1) · Leiden University Medical Center (1) · University of Zurich (1)

What is being tested here

Drugs under test in Photosensitivity Disorders studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Drug	Open	All
Imipramine	1	1
Cimetidine	0	1
Azathioprine	0	1
Methotrexate	0	1
Hydrochlorothiazide	0	1
Eltrombopag	0	1
Simeprevir	0	1
Dihematoporphyrin Ether	0	1
Diclofenac	0	1
Fluorouracil	0	1

Coming up

0phase 3 studies under way

1study finishes main data collection within a year

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

The study

Dec 2026Testing Use of Topical Imipramine in Reducing Ultraviolet B Induced Microvesicle Particle Release in Photosensitive Subjects · Wright State University

Who these studies take

Of the 4 Photosensitivity Disorders studies recruiting now, 2 (50%) set no upper age limit and 2 (50%) stop at 75 or younger. 0 (0%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 4 (100%) take healthy volunteers.

Recruiting studies that take each age, of 4
Age	Women	Men
10	0 (0%)	0 (0%)
18	4 (100%)	4 (100%)
30	3 (75%)	3 (75%)
40	3 (75%)	3 (75%)
50	3 (75%)	3 (75%)
65	2 (50%)	2 (50%)
75	2 (50%)	2 (50%)
85	2 (50%)	2 (50%)

Across all 25 studies, recruiting or not: 48% stop at 75 or younger and 40% at 65; 12% take children; 0% are for women only and 4% for men only; 52% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

Studies

Recruiting first, then most recently updated. Showing 25 of 25. search them.