Large-scale testing (Phase 3)Study completedNCT00784680What this trial is testingATAC - Quality of Life Sub-ProtocolWho this might be right forQuality of Life AstraZeneca 308
Not applicableStudy completedNCT00814034What this trial is testingCoagulation Parameters in Postmenopausal Breast Cancer Patients Under Adjuvant Hormonal TherapyWho this might be right forBreast Cancer Hellenic Breast Surgeons Society 306
Early research (Phase 1)Looking for participantsNCT06712810What this trial is testingQ702 for the Treatment of Patients With Hematologic MalignanciesWho this might be right forHematopoietic and Lymphatic System NeoplasmHistiocytic SarcomaMalignant Histiocytosis+34 more Mayo Clinic 46
Post-approval studies (Phase 4)UnknownNCT02690870What this trial is testingTamoxifen and Clomiphene Citrate in Mild Stimulation IVFWho this might be right forInfertility Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University 210
Not applicableUnknownNCT00126464What this trial is testingFulvestrant or Tamoxifen in Treating Postmenopausal Women Who Are Undergoing Surgery for Ductal Carcinoma in Situ of the BreastWho this might be right forBreast Cancer Cedars-Sinai Medical Center 100
Not applicableUnknownNCT04292886What this trial is testingThin Endometrium Undergoing Frozen-thawed Embryo TransferWho this might be right forThin Endometrium Nanjing University 120
Large-scale testing (Phase 3)Not Yet RecruitingNCT06404775What this trial is testingExternal Mastalgia-oil Versus Oral Tamoxifen in Premenopausal Women with Severe MastalgiaWho this might be right forMastalgia Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University 456
Large-scale testing (Phase 3)Study completedNCT00003593What this trial is testingChemotherapy in Treating Children With Down Syndrome and Myeloproliferative Disorder, Acute Myelogenous Leukemia, or Myelodysplastic SyndromeWho this might be right forLeukemiaMyelodysplastic SyndromesMyelodysplastic/Myeloproliferative Neoplasms Children's Oncology Group 254
Large-scale testing (Phase 3)Study completedNCT00309491What this trial is testingRandomized Study Comparing Tamoxifen vs. Tamoxifen + Aminoglutethimide in Postmenopausal Receptor-positive PatientsWho this might be right forEarly-stage Breast Cancer Austrian Breast & Colorectal Cancer Study Group 2,021
Large-scale testing (Phase 3)Study completedNCT00002967What this trial is testingOctreotide, Tamoxifen, and Chemotherapy in Treating Women With Breast CancerWho this might be right forBreast Cancer NSABP Foundation Inc
Early research (Phase 1)Study completedNCT00001436What this trial is testingA Phase I Study of OncoLAR® (Registered Trademark) (NSC 685403) With/Without Tamoxifen in Patients With OsteosarcomaWho this might be right forNeoplasm MetastasisOsteosarcoma National Cancer Institute (NCI) 24
Not applicableEnded earlyNCT01239745What this trial is testingAromasin® As Adjuvant Treatment In Postmenopausal Women With Invasive, Estrogen Receptor Positive Early Breast CancerWho this might be right forBreast Neoplasms Pfizer 46
Testing effectiveness (Phase 2)Study completedNCT02384239What this trial is testingPalbociclib in Combination With Fulvestrant or Tamoxifen as Treatment for Metastatic Breast CancerWho this might be right forMetastatic Breast CancerHormone Receptor Positive University of California, San Francisco 70
Testing effectiveness (Phase 2)Study completedNCT00229697What this trial is testingPhase II Metastatic ER+/PgR+ Nolvadex +/- Iressa StudyWho this might be right forBreast Neoplasms AstraZeneca 317
Testing effectiveness (Phase 2)Looking for participantsNCT06917313What this trial is testingFLASH-Breast: Evaluating the Efficacy of Fezolinetant in Reducing Vasomotor Symptoms in Women With Breast Cancer on Endocrine TherapyWho this might be right forBreast Cancer Early Stage Breast Cancer (Stage 1-3) Yale University 92
Testing effectiveness (Phase 2)Study completedNCT00903162What this trial is testingExtended Endocrine Therapy for Premenopausal Women With Breast CancerWho this might be right forBreast Cancer Dana-Farber Cancer Institute 17
Testing effectiveness (Phase 2)Study completedNCT02344550What this trial is testingStudy of GnRH-A [Leuprorelin(Lorelin Depot] Plus Leterozole +/- Everolimus for Premenopausal Women With Metastatic Breast CancerWho this might be right forMetastatic Breast Cancer Asan Medical Center 137
Testing effectiveness (Phase 2)Looking for participantsNCT06195306What this trial is testingLow Dose Tamoxifen With or Without Omega-3 Fatty Acids for Breast Cancer Risk ReductionWho this might be right forBreast Atypical HyperplasiaBreast CarcinomaBreast Ductal Carcinoma In Situ+1 more National Cancer Institute (NCI) 66
Large-scale testing (Phase 3)Study completedNCT01638247What this trial is testingTamoxifen +/- GnRH Analogue vs Aromatase Inhibitor + GnRH Analogue in Male Breast Cancer PatientsWho this might be right forMale Breast Cancer GBG Forschungs GmbH 56
Post-approval studies (Phase 4)Study completedNCT00014638What this trial is testingLetrozole in Treating Postmenopausal Women With Metastatic Breast CancerWho this might be right forBreast Cancer Novartis