Drug class

Hormonal contraceptives clinical trials

A class of medicines: the studies that test any of its 13 members, each study once. Members are as MeSH files each medicine’s actions, and as the NCI Thesaurus classes newer ones. In MeSH: Contraceptive Agents, Hormonal.

studies test it: 330
open now: 27
in phase 3: 75
first study started: 1994

Get an email when these change. Save the hormonal contraceptives studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.

Watch these studies

See an example email

Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

One email a week for all your saved searches. Stop any time.

Medicines in this class

Studies that test each. A study of two counts under both, and once above.

Levonorgestrel: 99
Medroxyprogesterone Acetate: 74
Ulipristal acetate: 53
Etonogestrel: 35
Norethindrone Acetate: 27
NuvaRing: 16
Ethinyl estradiol, levonorgestrel drug combination: 14
Norgestimate: 10
Norelgestromin: 7
Segesterone acetate: 4
Norethindrone enanthate: 2
Norgestimate, ethinyl estradiol drug combination: 2
Ortho Evra: 1

Studies by the year they started

325 studies that test it; most in 2015 (29); 2 more planned to start later

Studies that test Hormonal contraceptives, by start year
Year	Studies
1994	1
1996	1
1997	2
1999	2
2000	1
2001	4
2002	5
2003	7
2004	7
2005	14
2006	12
2007	18
2008	12
2009	10
2010	10
2011	19
2012	14
2013	5
2014	15
2015	29
2016	17
2017	17
2018	12
2019	14
2020	14
2021	11
2022	13
2023	12
2024	7
2025	9
2026	11

By phase

A phase 1/2 study counts in both.

Early Phase 1: 7
Phase 1: 66
Phase 2: 65
Phase 3: 75
Phase 4: 96
No phase: 33

What it is tested for

Each study’s main condition, where its own words name it, so a study counts once.

Leiomyoma: 19
Endometriosis: 13
Menorrhagia: 12
Infertility: 8
Endometrial Hyperplasia: 7
Contraception Behavior: 7
Metrorrhagia: 7
HIV Infections: 6
Vaginosis, Bacterial: 4
Anemia, Sickle Cell: 3
Polycystic Ovary Syndrome: 3
Endometrial Neoplasms: 3

Who runs them

Industry 121 · Other 209

Bayer (15) · Organon and Co (10) · FHI 360 (9) · Wyeth is now a wholly owned subsidiary of Pfizer (9) · Oregon Health and Science University (8) · University of Washington (8) · AbbVie (7) · Novo Nordisk A/S (6)

Studies

Open first, then newest update. How each study uses a medicine is read from its arms, and is right about nine times in ten. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.

Testing one of them · 330

See all 330 studies that test one of the hormonal contraceptives →