Drug

Megestrol clinical trials

Includes 65 studies of Megestrol Acetate and 17 studies of Nomegestrol acetate.

studies test it: 86
open now: 19
in phase 3: 33
first study started: 1995

Keep track of what changes. Save the Megestrol 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

Megestrol: 3
Megestrol Acetate: 2

Studies by the year they started

79 studies that test it; most in 2025 (11)

Studies that test Megestrol, by start year
Year	Studies
1995	1
1997	1
1998	1
2000	4
2001	1
2002	1
2003	1
2004	4
2005	1
2006	10
2007	4
2008	1
2009	1
2011	2
2012	4
2013	3
2014	1
2015	2
2016	1
2017	4
2018	2
2019	2
2020	3
2021	1
2022	5
2023	2
2024	1
2025	11
2026	4

By phase

A phase 1/2 study counts in both.

Phase 1: 10
Phase 2: 34
Phase 3: 33
Phase 4: 12
No phase: 5

What it is tested for

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

Endometrial Neoplasms: 6
Endometrial Hyperplasia: 5
Breast Neoplasms: 5
Wasting Syndrome: 3
Carcinoma: 3
Weight Loss: 2
Head and Neck Neoplasms: 2
Lung Neoplasms: 2
Cachexia: 2
Carcinoma, Non-Small-Cell Lung: 2
Small Cell Lung Carcinoma: 2
Neoplasms: 2

Who runs them

Industry 32 · Other 54

Organon and Co (11) · Changchun GeneScience Pharmaceutical Co., Ltd. (7) · Fudan University (5) · Xiaojun Chen (3) · Wake Forest University Health Sciences (3) · Bristol-Myers Squibb (3) · Par Pharmaceutical, Inc. (3) · National Institute of Allergy and Infectious Diseases (NIAID) (2)

Often tested with

Tested in the same studies.

Estradiol (13) · Tamoxifen (3) · Rosuvastatin (2) · Ethinyl Estradiol (2) · Metformin (2) · Paclitaxel (2) · Medroxyprogesterone Acetate (2) · Medroxyprogesterone (2)

Studies

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

Testing it · 86

See all 86 studies that test Megestrol →

Given in every arm · 9 — Megestrol is usual care beside what is tested

As the comparator · 12 — what is tested is compared with Megestrol

Codes

What other systems call Megestrol · ClinicalTrials.gg INT007780

MeSH (NLM) D008535MegestrolConfirmed ClinicalTrials.gov, NLM, Wikidata
UNII (FDA) EA6LD1M70MMEGESTROLConfirmed FDA, NLM, Wikidata
RxNorm 6703Confirmed FDA, Wikidata
Wikidata Q410513megestrolConfirmed FDA, NLM, Wikidata
NCI Thesaurus C630MegestrolOne source FDA
DrugBank DB19378One source Wikidata

System	Code	Name there	Checked by
MeSH (NLM)	D008535	Megestrol	Confirmed ClinicalTrials.gov, NLM, Wikidata
UNII (FDA)	EA6LD1M70M	MEGESTROL	Confirmed FDA, NLM, Wikidata
RxNorm	6703	—	Confirmed FDA, Wikidata
Wikidata	Q410513	megestrol	Confirmed FDA, NLM, Wikidata
NCI Thesaurus	C630	Megestrol	One source FDA
DrugBank	DB19378	—	One source Wikidata

“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.