Drugs / Elacestrant
last change Jul 2026 re-read 2 minutes ago

Elacestrant

Other / unclassified targets ESR1 via depletion

Developed for
breast cancer · Her2-receptor negative breast cancer · estrogen-receptor positive breast cancer · hormone receptor-positive breast cancer · female breast carcinoma · adenosarcoma · brain neoplasm · breast neoplasm
+8 more · ductal breast carcinoma in situ · endometrial cancer · endometrial carcinoma · leiomyosarcoma · neoplasm with perivascular epithelioid cell differentiation · stromal sarcoma · triple-positive breast carcinoma · breast carcinoma by gene expression profile
Investigated by
Stemline Therapeutics, Inc. · Menarini Group · SOLTI Breast Cancer Research Group · Berlin-Chemie Menarini · Context Therapeutics Inc. · Johns Hopkins University
+35 more · Kristina A. Fanucci · Radius Pharmaceuticals, Inc. · BeOne Medicines · Cancer Trials Ireland · Careggi University Hospital · Carrick Therapeutics Limited · Criterium, Inc. · Dana-Farber Cancer Institute · Dutch Breast Cancer Research Group · ETOP IBCSG Partners Foundation · European Institute of Oncology · European Organisation for Research and Treatment of Cancer - EORTC · GBG Forschungs GmbH · Gateway for Cancer Research · Gustave Roussy, Cancer Campus, Grand Paris · H. Lee Moffitt Cancer Center and Research Institute · Hellenic Cooperative Oncology Group · Hellenic Oncology Research Group · Jonsson Comprehensive Cancer Center · MedSIR · Memorial Sloan Kettering Cancer Center · NYU Langone Health · Natera, Inc. · National Cancer Institute (NCI) · Northwestern University · QuantumLeap Healthcare Collaborative · Radius Health, Inc. · SUCCESS · Swedish Breast Cancer Group · Terri Brodeur Breast Cancer Foundation · The V Foundation for Cancer Research · Translational Breast Cancer Research Consortium · University of Miami · West German Study Group · Yale University

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Approved EU (EMA) Orserdu 2023-09-15 europa.eu
Approved US (FDA) ORSERDU 2023-01-27 fda.gov

Trials 36 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT04797728 Feb 2021 → Feb 2022 hormone receptor-positive breast cancer SOLTI Breast Cancer Research Group Completed No outcome recorded
Phase 16 trials
Phase 1 NCT06691035 Nov 2024 → Nov 2026 expected Her2-receptor negative breast cancer H. Lee Moffitt Cancer Center and Research Institute Recruiting No outcome recorded
Phase 1 NCT06638307 Oct 2024 → Oct 2027 expected female breast carcinoma Stemline Therapeutics, Inc. Recruiting No outcome recorded
Phase 1 NCT06120283 Dec 2023 → Nov 2028 expected hormone receptor-positive breast cancer, non-small cell lung carcinoma BeOne Medicines Recruiting No outcome recorded
Phase 1 NCT06126575 Mar 2023 → Nov 2024 Stemline Therapeutics, Inc. Completed No outcome recorded
Phase 1 NCT02650817 Apr 2016 → Aug 2018 breast cancer Stemline Therapeutics, Inc. Completed No outcome recorded
Phase 1 NCT02338349 Jan 2015 → Sep 2019 estrogen-receptor positive breast cancer Stemline Therapeutics, Inc. Completed No outcome recorded
Phase 1/28 trials
Phase 1/2 NCT07612215 May 2026 → May 2029 expected triple-positive breast carcinoma NYU Langone Health Recruiting No outcome recorded
Phase 1/2 NCT07198724 Nov 2025 → Jun 2028 expected Her2-receptor negative breast cancer, female breast carcinoma Kristina A. Fanucci Recruiting No outcome recorded
Phase 1/2 NCT05963997 Oct 2023 → Mar 2026 breast cancer Carrick Therapeutics Limited Completed No outcome recorded
Phase 1/2 NCT06938711 Jun → Nov 2023 breast cancer Context Therapeutics Inc. Withdrawn No outcome recorded
Phase 1/2 NCT05563220 Jan 2023 → Dec 2026 expected breast cancer Stemline Therapeutics, Inc. Active not recruiting No outcome recorded
Phase 1/2 NCT05618613 Dec 2022 → Jun 2023 breast cancer Context Therapeutics Inc. Terminated No outcome recorded
Phase 1/2 NCT05386108 Aug 2022 → Dec 2026 expected brain neoplasm, breast neoplasm Stemline Therapeutics, Inc. Recruiting No outcome recorded
Phase 1/2 NCT04791384 Apr 2022 → Sep 2024 breast cancer Criterium, Inc. Terminated No outcome recorded
Phase 216 trials
Phase 2 NCT07634601 Dec 2026 → Dec 2028 expected endometrial carcinoma Jonsson Comprehensive Cancer Center Not yet recruiting No outcome recorded
Phase 2 NCT07395336 May 2026 → Dec 2028 expected breast cancer European Institute of Oncology Recruiting No outcome recorded
Phase 2 NCT07467772 Mar 2026 → Jul 2027 expected adenosarcoma, leiomyosarcoma, neoplasm with perivascular epithelioid cell differentiation, stromal sarcoma Dana-Farber Cancer Institute Recruiting No outcome recorded
Phase 2 NCT07222215 Jan 2026 → Dec 2029 expected hormone receptor-positive breast cancer Kristina A. Fanucci Recruiting No outcome recorded
Phase 2 NCT07159451 Oct 2025 → Jan 2027 expected breast cancer Gustave Roussy, Cancer Campus, Grand Paris Recruiting No outcome recorded
Phase 2 NCT07209449 Oct 2025 → Oct 2028 expected endometrial cancer Memorial Sloan Kettering Cancer Center Recruiting No outcome recorded
Phase 2 NCT06923527 Sep 2025 → Sep 2027 expected estrogen-receptor positive breast cancer Yale University Recruiting No outcome recorded
Phase 2 NCT07005882 Sep 2025 → Mar 2027 expected female breast carcinoma, hormone receptor-positive breast cancer Careggi University Hospital Not yet recruiting No outcome recorded
Phase 2 NCT06201234 Dec 2024 → Dec 2028 expected BRCA1-related cancer predisposition, BRCA2-related cancer predisposition, hormone receptor-positive breast cancer GBG Forschungs GmbH Recruiting No outcome recorded
Phase 2 NCT06075953 Feb 2024 → Nov 2028 expected ductal breast carcinoma in situ QuantumLeap Healthcare Collaborative Recruiting No outcome recorded
Phase 35 trials
Phase 3 NCT07242352 Apr 2026 → Sep 2033 expected Her2-receptor negative breast cancer West German Study Group Recruiting No outcome recorded
Phase 3 NCT06382948 Dec 2024 → Sep 2027 expected Her2-receptor negative breast cancer, estrogen-receptor positive breast cancer MedSIR Recruiting No outcome recorded
Phase 3 NCT06492616 Sep 2024 → Aug 2029 expected breast cancer Stemline Therapeutics, Inc. Recruiting No outcome recorded
Phase 3 NCT05512364 Dec 2023 → Nov 2032 expected Her2-receptor negative breast cancer, estrogen-receptor positive breast cancer European Organisation for Research and Treatment of Cancer - EORTC Recruiting No outcome recorded
Phase 3 NCT03778931 May 2019 → Aug 2021 breast cancer Stemline Therapeutics, Inc. Completed No outcome recorded
Also used as a comparator or background therapy in 1 trial
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/2 NCT05573126 Background Jan 2023 → Feb 2028 expected hormone receptor-positive breast cancer Ellipses Pharma Recruiting No outcome recorded

Evidence & citations 14 cited values

Every value below carries the sentence it was read from. 41 sources stand behind the page.

FieldValueCited text
Known as Elacestrant “Participants will receive standard of care oral SERD therapy (Elacestrant) in Step 2 Arm 2 and Step 3.” NCT05826964
33

NCT06638307

NCT06201234

NCT07395336

NCT04797728

NCT07467772

NCT07222215

NCT05386108

NCT07005882

NCT05982093

NCT06691035

NCT06062498

NCT06382948

NCT06126575

NCT05618613

NCT05596409

NCT07159451

NCT05512364

NCT07242352

NCT05563220

NCT05573126

NCT07612215

NCT06938711

NCT05963997

NCT07198724

NCT03778931

NCT07209449

NCT06075953

NCT06492616

NCT06120283

NCT06923527

NCT04791384

NCT02338349

NCT07634601

Known as Elacestrant Dihydrochloride “Starting dose 400 mg elacestrant dihydrochloride administered orally once daily for an estimated 6 months of treatment.” NCT05596409
1

“Drug: Elacestrant DihydrochlorideNCT05963997

Known as ELACESTRANT HYDROCHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL4297509
Known as ER-306323 ChEMBL registry synonym — accepted as the source's own label CHEMBL4297509
Known as Orserdu ChEMBL registry synonym — accepted as the source's own label CHEMBL4297509
Known as RAD-1901 DIHYDROCHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL4297509
Known as RAD1901 RAD1901NCT07634601
3

NCT02650817

NCT00875420

NCT02653417

Known as RAD1901 hydrochloride ChEMBL registry synonym — accepted as the source's own label CHEMBL4297509
Known as SERD/SERM RAD1901 SERD/SERM RAD1901NCT07634601
Action Deplete “Estrogen receptor alpha degrader” CHEMBL4297509
Action Inhibit “a Novel Selective Estrogen Receptor Degrader” PMID 33513026 Jan 2021
Modality Other / unclassified “Elacestrant is a novel, nonsteroidal, orally bioavailable selective estrogen receptor degrader (SERD)” PMID 31426673 Aug 2019
Route Oral “OBJECTIVE: The aim of the study was to assess the efficacy and safety of RAD1901, an oral estrogen receptor ligand, for the treatment of moderate-to-severe vasomotor symptoms...” PMID 27575546 Jan 2017
Target ESR1 “Estrogen receptor alpha degrader” CHEMBL4297509