Not applicableStudy completedNCT01846728What this trial is testingEffects of Estrogen Deficiency on Energy ExpenditureWho this might be right forObesity University of Colorado, Denver 6
Large-scale testing (Phase 3)Looking for participantsNCT07085767What this trial is testingPalazestrant in Combination With Ribociclib for the First-line Treatment of ER+/HER2- Advanced Breast CancerWho this might be right forBreast CancerLocally Advanced Breast CancerMetastatic Breast Cancer+2 more Olema Pharmaceuticals, Inc. 1,000
Not applicableNot Yet RecruitingNCT07245316What this trial is testingAvoiding Surgery in Estrogen Receptor Positive Atypical Ductal Hyperplasia and In-situ Carcinoma Treated With Endocrine Treatment TrialWho this might be right forDuctal Carcinoma in Situ of the Breast Jeong Eon Lee 340
Testing effectiveness (Phase 2)Not Yet RecruitingNCT06733233What this trial is testingA Study Evaluating the Efficacy and Safety of De Trastuzumab (T-DXd) in Combination with Immunotherapy for the Neoadjuvant Treatment of HR-positive HER2 Low-expressing Chinese Patients with Early-stage Breast CancerWho this might be right forBreast Cancer, Estrogen Receptor-PositiveHER2 Low Breast Cancer Guangzhou Women and Children's Medical Center 23
Not applicableEnded earlyNCT00847821What this trial is testingObservational Study Analyzing RNA Expression Of Endometrial Biopsy Samples From Placebo, Bazedoxifene/Conjugated Estrogens And RaloxifeneWho this might be right forPostmenopause Wyeth is now a wholly owned subsidiary of Pfizer 185
Testing effectiveness (Phase 2)Not Yet RecruitingNCT07499999What this trial is testingRandomized Double-Blind Phase II Trial of Baby Exemestane Versus Baby Tamoxifen in Post-Menopausal Women at High Risk for Breast CancerWho this might be right forBreast CancerDuctal CarcinomaEstrogen-receptor-positive Breast Cancer+4 more Dana-Farber Cancer Institute 140
Post-approval studies (Phase 4)Looking for participantsNCT06072807What this trial is testingBrain [18F]-FES PET/CT in Patients With Estrogen-Receptor Positive Breast CancerWho this might be right forBreast CancerBrain Metastases Weill Medical College of Cornell University 20
Early research (Phase 1)Study completedNCT01219699What this trial is testingBYL719 in Adult Patients With Advanced Solid Malignancies, Whose Tumors Have an Alteration of the PIK3CA GeneWho this might be right forAdvanced Solid Tumors With an Alteration of the PIK3CA GeneEstrogen Receptor Positive Breast Cancer Novartis Pharmaceuticals 221
Not applicableStudy completedNCT01293032What this trial is testingHormone Therapy Or Chemotherapy Before Surgery Based on Gene Expression Analysis in Treating Patients With Breast CancerWho this might be right forDuctal Breast Carcinoma in SituLobular Breast Carcinoma in SituStage II Breast Cancer+4 more Virginia Commonwealth University 59
Not applicableStudy completedNCT01515800What this trial is testingS1105: Text-Messaging Intervention to Reduce Early Discontinuation of AI Therapy in Women With Early-Stage Breast CancerWho this might be right forBreast Cancer SWOG Cancer Research Network 724
Post-approval studies (Phase 4)Study completedNCT04050371What this trial is testingStudy of Truvada for HIV Pre Exposure Prophylaxis Using Daily Directly Observed Therapy to Look at Potential Interactions Between Truvada and Hormone TherapyWho this might be right forHIV PreventionTransgender Health University of California, San Francisco 48
Early research (Phase 1)Looking for participantsNCT07029399What this trial is testingA Study With NKT5097 for Adults With Advanced/Metastatic Solid TumorsWho this might be right forHR+ Breast CancerTriple Negative Breast Cancer (TNBC)CCNE1 Amplified Advanced Solid Tumors+1 more NiKang Therapeutics, Inc. 361
Early research (Phase 1)Study completedNCT04818632What this trial is testingAZD9833 China PK StudyWho this might be right forER+, HER2-, Metastatic Breast Cancer AstraZeneca 28
Testing effectiveness (Phase 2)Study completedNCT00767520What this trial is testingSafety and Efficacy of Exemestane Plus Dasatinib Versus Placebo for Advanced ER+ Breast CancerWho this might be right forBreast Cancer Bristol-Myers Squibb 155
Early research (Phase 1)Active Not RecruitingNCT05870579What this trial is testing[177Lu]Lu-NeoB in Combination With Ribociclib and Fulvestrant in Participants With ER+, HER2- and GRPR+ Advanced Breast CancerWho this might be right forBreast Cancer Novartis Pharmaceuticals 28
Post-approval studies (Phase 4)Study completedNCT02427386What this trial is testingHomeopathic Treatment of Chronic Pelvic Pain in Women With EndometriosisWho this might be right forEndometriosisPelvic Pain University of Sao Paulo General Hospital 50
Testing effectiveness (Phase 2)UnknownNCT05737329What this trial is testingEfficacy, Safety, and Tolerability of Higher Doses Estrogen Therapy in Women With Premature Ovarian InsufficiencyWho this might be right forPrimary Ovarian Insufficiency Federal State Budget Institution Research Center for Obstetrics, Gynecology and Perinatology Ministry of Healthcare 80
Testing effectiveness (Phase 2)Active Not RecruitingNCT02238808What this trial is testingSee Whether Estrogen Can Slow the Growth of Some ER Positive Breast CancersWho this might be right forEstrogen Receptor Positive Breast Cancer AHS Cancer Control Alberta 19
Testing effectiveness (Phase 2)Looking for participantsNCT03875378What this trial is testingTransdermal Estrogen in Women With Anorexia NervosaWho this might be right forAnorexia Nervosa Pouneh K. Fazeli, MD 66
Not applicableStudy completedNCT00569543What this trial is testingEffect of Tamoxifen or an Aromatase Inhibitor on Estrogen Metabolism in Women Treated for Newly Diagnosed Breast CancerWho this might be right forBreast Cancer University of Nebraska 27