Drug

Low-Dose Naltrexone clinical trials

studies test it: 20
open now: 7
in phase 3: 0
first study started: 2007

Keep track of what changes. Save the Low-Dose Naltrexone studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.

Watch these studies

How studies write it

Studies that test it under each name

Name

Low Dose Naltrexone: 12
LDN: 7
Low-Dose Naltrexone: 6
Naltrexone: 4

Studies by the year they started

18 studies that test it; most in 2024 (3); 1 more planned to start later

Studies that test Low-Dose Naltrexone, by start year
Year	Studies
2007	1
2010	1
2011	1
2013	1
2014	1
2016	1
2018	1
2019	1
2021	2
2022	1
2023	1
2024	3
2025	1
2026	2

By phase

A phase 1/2 study counts in both.

Phase 1: 3
Phase 2: 11
Phase 4: 6
No phase: 3

What it is tested for

Each study’s main condition, where its own words name it.

Fibromyalgia: 5
Chronic Pain: 1
Alopecia: 1
Glioma: 1
Complex Regional Pain Syndromes: 1
Lupus Erythematosus, Systemic: 1
Vulvodynia: 1
Fatigue Syndrome, Chronic: 1
Postural Orthostatic Tachycardia Syndrome: 1
Pain: 1
Cystitis, Interstitial: 1
Colitis, Ulcerative: 1

Who runs them

Industry 1 · Other 19

Boston Medical Center (2) · University of Alabama at Birmingham (2) · Stanford University (2) · Fundació Sant Joan de Déu (1) · Luis Nacul (1) · Rigshospitalet, Denmark (1) · Washington University School of Medicine (1) · Katy Peters (1)

Often tested with

Tested in the same studies.

Gabapentin (1) · Nalmefene (1) · Pyridostigmine (1)

Studies

Open first, then newest update. How each study uses Low-Dose Naltrexone is read from its arms, and is right about nine times in ten.