Drugs / Ulipristal Acetate
last change Aug 2026 re-read 9 days ago

Ulipristal Acetate

also known as UPA · CDB-2914 · ulipristal · PGL4001 · ellaOne · BR-UPS · ella · Esmya · +4 more
Developed for
leiomyoma · breast cancer · hemorrhagic disease · infertility disorder · uterus interstitial leiomyoma · adenomyosis · Charcot-Marie-Tooth disease type 1A · dysmenorrhea
+8 more · endometriosis · female reproductive system disorder · pregnancy disorder · pregnancy disorder with abortive outcome · urogenital tract malformation · uterine benign neoplasm · uterine disorder · anovulation
Investigated by
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) · PregLem SA · HRA Pharma · University Magna Graecia · Allergan · Columbia University
+28 more · Oregon Health and Science University · Stanford University · Ain Shams University · Boryung Pharmaceutical Co., Ltd · Children's Mercy Hospital Kansas City · Instituto Valenciano de Infertilidad, IVI VALENCIA · Manchester University NHS Foundation Trust · Memorial Sloan Kettering Cancer Center · My Duc Hospital · National Institutes of Health (NIH) · North Carolina Translational and Clinical Sciences Institute · Northwestern University · OHSU Knight Cancer Institute · Population Council · Premier Research · Programa de Asistencia Reproductiva de Rosario · Queen Mary Hospital, Hong Kong · Sheba Medical Center · University Hospital, Strasbourg, France · University of Cagliari · University of Campinas, Brazil · University of Manchester · University of North Carolina, Chapel Hill · University of Pittsburgh · Vanderbilt University Medical Center · Washington University School of Medicine · Watson Pharmaceuticals · Weill Medical College of Cornell University

Regulatory milestones approvals, filings & regulatory actions · 4 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Rejected submucous uterine fibroid 1 milestone
Rejected (CRL) US (FDA) — submucous uterine fibroid 2018-08-21

“Complete Response Letter (CRL) from the U.S. Food and Drug Administration ( FDA ) in response to the New Drug Application (NDA) for ulipristal acetate” abbvie.com ↗

Approved Indication not stated 3 milestones
Label expansion US (FDA) ELLA — 2021-06-24 fda.gov ↗
Approved US (FDA) ELLA — 2010-08-13 fda.gov ↗
Approved EU (EMA) ellaOne — 2009-05-15 europa.eu ↗

Trials 47

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 03 trials
Phase 0 NCT04423068 Dec 2020 → Apr 2022 pregnancy disorder Children's Mercy Hospital Kansas City Completed No outcome recorded
Phase 0 NCT03802149 Apr 2019 → Apr 2020 — Stanford University Completed No outcome recorded
Phase 0 NCT01493791 Nov 2011 → Jul 2013 urogenital tract malformation Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Withdrawn No outcome recorded
Phase 16 trials
Phase 1 NCT03354117 Mar 2018 → May 2019 — Stanford University Completed No outcome recorded
Phase 1 NCT03156127 May → Jul 2017 leiomyoma Boryung Pharmaceutical Co., Ltd Withdrawn No outcome recorded
Phase 1 NCT03230539 May 2017 → Jan 2018 — Population Council Unknown No outcome recorded
Phase 1 NCT02922127 Dec 2016 → Oct 2019 — Columbia University Completed No outcome recorded
Phase 1 NCT02634437 Dec 2015 → Dec 2016 impaired renal function disease Allergan Completed No outcome recorded
Phase 1 NCT00041899 May 2002 → Mar 2005 — Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Completed No outcome recorded
Phase 28 trials
Phase 2 NCT07434128 Aug 2026 → Dec 2027 expected breast cancer OHSU Knight Cancer Institute Recruiting No outcome recorded
Phase 2 NCT05216952 May 2022 → Jan 2023 pregnancy disorder with abortive outcome University of North Carolina, Chapel Hill Completed No outcome recorded
Phase 2 NCT03296098 Dec 2020 → Jan 2022 — Premier Research Withdrawn No outcome recorded
Phase 2 NCT02408770 Jan 2016 → Mar 2019 breast cancer Manchester University NHS Foundation Trust Completed No outcome recorded
Phase 2 NCT02600286 Oct 2015 → Nov 2017 Charcot-Marie-Tooth disease type 1A University Hospital, Strasbourg, France Terminated No outcome recorded
Phase 2 NCT00456924 Jan → Dec 2004 female reproductive system disorder HRA Pharma Completed No outcome recorded
Phase 2 NCT00044876 Sep 2002 → Jun 2007 leiomyoma Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Completed No outcome recorded
Phase 2 NCT00009659 Jan → Dec 2001 — Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Completed No outcome recorded
Phase 2/31 trial · 1 met primary
Phase 2/3 NCT00271583 Sep 1999 → Sep 2001 — University of Pittsburgh Completed Met primary
Phase 313 trials · 6 met primary
Phase 3 NCT03208985 May 2017 → Jun 2018 — HRA Pharma Completed No outcome recorded
Phase 3 NCT03118297 May 2017 → Jan 2018 hemorrhagic disease Washington University School of Medicine Completed Met primary
Phase 3 NCT02425878 Oct 2015 → May 2016 uterus interstitial leiomyoma Instituto Valenciano de Infertilidad, IVI VALENCIA Terminated No outcome recorded
Phase 3 NCT02147197 Mar 2014 → Mar 2016 leiomyoma, uterine disorder Allergan Completed Met primary
Phase 3 NCT01642472 Jul 2012 → Mar 2015 uterine benign neoplasm PregLem SA Completed No outcome recorded
Phase 3 NCT01629563 Jun 2012 → Jan 2015 leiomyoma PregLem SA Completed No outcome recorded
Phase 3 NCT01553123 Apr 2012 → Nov 2013 leiomyoma Watson Pharmaceuticals Withdrawn No outcome recorded
Phase 3 NCT01252069 Jan 2011 → Aug 2013 leiomyoma PregLem SA Completed No outcome recorded
Phase 3 NCT01156857 Jul 2010 → Nov 2011 leiomyoma PregLem SA Completed No outcome recorded
Phase 3 NCT00755755 Oct 2008 → Mar 2010 leiomyoma PregLem SA Completed Met primary
Phase 415 trials · 1 missed
Phase 4 NCT04132349 Oct 2019 → Apr 2020 leiomyoma My Duc Hospital Terminated No outcome recorded
Phase 4 NCT04989400 Jan → Oct 2019 — Ain Shams University Completed No outcome recorded
Phase 4 NCT03325868 Feb 2018 → May 2019 adenomyosis, dysmenorrhea Vanderbilt University Medical Center Withdrawn No outcome recorded
Phase 4 NCT03186586 Jul 2017 → Jul 2018 hemorrhagic disease University of Campinas, Brazil Unknown Missed primary
Phase 4 NCT02859337 May 2017 → Jan 2022 obesity disorder Oregon Health and Science University Completed No outcome recorded
Phase 4 NCT02601196 Sep 2016 → Jan 2018 uterus interstitial leiomyoma Sheba Medical Center Unknown No outcome recorded
Phase 4 NCT02440750 Jun 2016 → Apr 2017 leiomyoma University of Cagliari Unknown No outcome recorded
Phase 4 NCT02825719 Dec 2015 → Mar 2020 leiomyoma Queen Mary Hospital, Hong Kong Terminated No outcome recorded
Phase 4 NCT02689804 Jul → Dec 2015 — Columbia University Completed No outcome recorded
Phase 4 NCT02357563 Feb 2015 → Sep 2017 leiomyoma University Magna Graecia Unknown No outcome recorded
Phase not applicable1 trial
— NCT01391845 Jul 2011 → Mar 2012 infertility disorder Programa de Asistencia Reproductiva de Rosario Unknown No outcome recorded
Comparator or background therapy18 trials
Phase 0 NCT04291001 Comparator Sep 2020 → Oct 2022 — University of Utah Completed No outcome recorded
Phase 1 NCT03342859 Comparator Nov 2017 → Dec 2018 leiomyoma Bayer Terminated No outcome recorded
Phase 1/2 NCT02451826 Comparator May 2015 → Nov 2017 anovulation Population Council Unknown No outcome recorded
Phase 2 NCT02587000 Comparator Jun 2015 → Feb 2018 adenomyosis Assistance Publique - Hôpitaux de Paris Completed No outcome recorded
Phase 2 NCT02465814 Comparator Jun 2015 → Oct 2016 leiomyoma Bayer Completed Met primary

News releases announcing trial results or a regulatory action · 4

DateIssuerRelease
2019-04-08 Lotus Pharmaceutical Regulatory Business partners of Lotus obtain first European approvals for generic Ulipristal 5mg lotuspharm.com ↗
This is the first approval of Ulipristal 5mg tablets in Europe.
2019-04-08 Alvogen Korea Regulatory Alvogen and business partners obtain first European approvals for generic Ulipristal 5mg alvogen.com ↗
Alvogen and its business partners have received regulatory clearance for its product in multiple European countries.
2018-08-21 AbbVie Regulatory Allergan Receives Complete Response Letter from the U.S. Food and Drug Administration for Ulipristal Acetate New Drug Application abbvie.com ↗
The letter from the FDA indicates it is not able to approve the ulipristal acetate NDA in its current form and is requesting additional information.
2018-02-28 AbbVie Regulatory Allergan Announces FDA Has Extended The Ulipristal Acetate NDA Review Period To August 2018 abbvie.com ↗
The PDUFA target action date has been extended to August 2018 to provide time for a full review of the file.

Evidence & citations 15 cited values

Every value below carries the sentence it was read from. 68 sources stand behind the page.

FieldValueCited text
Known as ulipristal acetate “Patients within this group will receive oral Ulipristal Acetate (Fibristal ©) 5 mg / day starting from the first day of menstrual bleeding, and for 3 months (period of the study).” NCT04832906 ↗
43

“A Study to Compare the Pharmacokinetics and Safety/Tolerability of BR-UPS (Ulipristal Acetate) 5 mg Tablet With Inisia (Ulipristal Acetate) 5 mg Tablet” NCT03156127 ↗

“FDA-approved emergency contraceptive pill containing ulipristal acetate 30mg” NCT02689804 ↗

“ella® (ulipristal acetate emergency contraception 30 mg)” NCT03829696 ↗

“Ulipristal acetate 30mg orally x 1 dose” NCT02859337 ↗

“CDB-2914 (ulipristal acetate)” NCT01107093 ↗

NCT03296098 ↗

NCT03186586 ↗

NCT02587000 ↗

NCT02601196 ↗

NCT05216952 ↗

Show 33 more sources

Known as BR-UPS “A Study to Compare the Pharmacokinetics and Safety/Tolerability of BR-UPS (Ulipristal Acetate) 5 mg Tablet With Inisia (Ulipristal Acetate) 5 mg Tablet” NCT03156127 ↗
Known as CDB-2914 “Ulipristal acetate (UPA), previously named CDB-2914, is a selective progesterone-receptor modulator (SPRM).” NCT02825719 ↗
10

NCT01107093 ↗

NCT00791297 ↗

NCT00009659 ↗

NCT00044876 ↗

NCT00089414 ↗

NCT00551616 ↗

NCT00411684 ↗

NCT01493791 ↗

NCT00041899 ↗

NCT00271583 ↗

Known as ella ClinicalTrials.gov intervention name — accepted as the source's own label NCT03829696 ↗
Known as ellaOne “At the conclusion of the enrollment visit, the research coordinator will randomize each woman to receive a single-dose pill of either levonorgestrel 1.5mg (like Plan B...” NCT02689804 ↗
3

“The long-term safety of anti-progesterone was evaluated for mifepristone (RU486) ulipristal acetate and (EllaOne®).” NCT02600286 ↗

“ellaOne® (Ulipristal Acetate 30 mg)” NCT01569113 ↗

NCT02600286 ↗

Known as Esmya “A selective progesterone receptor modulator (SPRM) is Ulipristal Acetate (UPA) is approved in the European Union as Esmya® as a tretament to reduce the ueterine leiomyomas at...” NCT03186586 ↗
Known as Inisia “A Study to Compare the Pharmacokinetics and Safety/Tolerability of BR-UPS (Ulipristal Acetate) 5 mg Tablet With Inisia (Ulipristal Acetate) 5 mg Tablet” NCT03156127 ↗
Known as PGL4001 ClinicalTrials.gov intervention name — accepted as the source's own label NCT01156857 ↗
4

NCT00755755 ↗

NCT01252069 ↗

NCT00740831 ↗

NCT01629563 ↗

Known as ulipristal “PGL4001 (ulipristal) and iron” NCT00755755 ↗
5

“Ulipristal 30 mg tablet” NCT04423068 ↗

NCT02288130 ↗

NCT02465814 ↗

NCT03342859 ↗

NCT02213081 ↗

Known as Ulipristal acetate (UPA) emergency contraceptive (EC) “Ulipristal acetate (UPA) emergency contraceptive (EC)” NCT02689804 ↗
Known as UPA “Objective: To characterize the effect of ulipristal acetate (UPA) treatment on transforming growth factor (TGF) canonical and noncanonical signaling pathways in uterine...” PMID 30871768 ↗ Mar 2019
11

“A proof-of Concept, Randomized 3-month Study to Evaluate the Effects of Three Contraceptive Intrauterine Systems Delivering Copper and a Daily Dose of 5, 20 or 40 μg of...” NCT03230539 ↗

“OBJECTIVE: To assess the efficacy of ulipristal acetate (UPA) for reducing abnormal bleeding among women using the 52-mg levonorgestrel intrauterine system (LNG-IUS).” PMID 31777949 ↗ Dec 2019

“Efficacy Study of Two Continuous Regimens of Oral Daily 5 mg or 10 mg of Ulipristal Acetate (UPA), Versus a Dose of 5.0mg UPA for 24/4 Days” NCT01953679 ↗

“An emergency contraceptive, ulipristal acetate or UPA, normally works by stopping or delaying the ovary from releasing an egg (ovulation).” NCT05674513 ↗

“Ulipristal acetate (UPA) is a selective progesterone receptor modulator (SPRM) prescribed for women with symptomatic leiomyomas.” NCT02601196 ↗

“Ulipristal acetate (UPA), previously named CDB-2914, is a selective progesterone-receptor modulator (SPRM).” NCT02825719 ↗

“Ulipristal Acetate (UPA) + ethinylestradiol/levonorgestrel (Microgynon)” NCT01569113 ↗

“ulipristal acetae (UPA) in women with symptomatic uterine fibroids” NCT04132349 ↗

“continuous daily oral 10 mg of ulipristal acetate (UPA)” NCT03296098 ↗

“ulipristal acetate 30 mg (UPA)” PMID 38663539 ↗ Apr 2024

Show 1 more source

Known as UPA-EC “The study drugs Levonorgestrel (LNG-EC) and Ulipristal Acetate (UPA-EC) will be given in random order.” NCT02689804 ↗
Known as VA2914 ClinicalTrials.gov intervention name — accepted as the source's own label NCT00456924 ↗
Action Inhibit “Yasmin oral contraceptive; CDB 2914 progesterone antagonist.” NCT00089414 ↗
Route Oral “chronic oral administration of CDB-2914” NCT00009659 ↗