Clinical Trials

60 enrolled

Anatomic Stage III Breast Cancer AJCC v8

NCT02311933 2026-04-13

Tamoxifen Citrate or Z-Endoxifen Hydrochloride in Treating Patients With Locally Advanced or Metastatic, Estrogen Receptor-Positive, HER2-Negative Breast Cancer

81 enrolled 9 charts

Breast Neoplasms

NCT02630693 2026-04-13

Two Different Schedules of Palbociclib + Second Line Endocrine Therapy in Estrogen Receptor Positive, HER2 Neg Advanced/Metastatic Breast Cancer

180 enrolled 14 charts

Breast Neoplasms

NCT05941520 2026-04-13

Acolbifene Versus Low Dose Tamoxifen for the Prevention of Breast Cancer in Premenopausal Women at High Risk for Development of Breast Cancer

80 enrolled

Breast Carcinoma In Situ, Breast Neoplasms, Carcinoma, Intraductal, Noninfiltrating

NCT06184750 2026-04-13

Finding the Best Tamoxifen Dose for Breast Cancer Risk Reduction in Premenopausal Women, RENAISSANCE Trial

Breast Carcinoma In Situ, Breast Neoplasms, Carcinoma, Intraductal, Noninfiltrating

NCT06195306 2026-04-13

Low Dose Tamoxifen With or Without Omega-3 Fatty Acids for Breast Cancer Risk Reduction

66 enrolled

Breast Carcinoma In Situ, Breast Neoplasms, Carcinoma, Intraductal, Noninfiltrating

NCT04569747 2026-04-02

ADEPT

393 enrolled

Phase 2 Not yet recruiting

Breast Neoplasms

NCT07499999 2026-03-30

BabyTEARS

140 enrolled

Breast Neoplasms, Carcinoma, Ductal

NCT05659563 2026-03-19

EMPRESS

92 enrolled 14 charts

Breast Neoplasms

NCT06075953 2026-03-16

DCIS: RECAST Trial Ductal Carcinoma In Situ: Re-Evaluating Conditions for Active Surveillance Suitability as Treatment

400 enrolled

Carcinoma, Intraductal, Noninfiltrating

NCT06434064 2026-03-02

Tamoxifen and Pegylated Liposomal Doxorubicin for the Treatment of Patients With Metastatic or Inoperable, Locally Advanced Triple Negative Breast Cancer

30 enrolled

Triple Negative Breast Neoplasms

NCT04059484 2026-02-24

AMEERA-3

Phase 2 Terminated

367 enrolled 30 charts

Breast Cancer Metastatic

NCT00003042 2026-02-20

Chemotherapy and Stem Cell Transplantation in Treating Patients With Stage IIIB Breast Cancer

41 enrolled 9 charts

Breast Neoplasms, Inflammatory Breast Neoplasms

NCT06348134 2026-02-17

Assessing the Efficacy and Safety of Anti-HER2 Therapy in Nigerian Women With HER2+ Breast Cancer Before and After Surgery

74 enrolled

Breast Neoplasms

NCT05101564 2026-02-12

Umbrella Trial of Subtype-Targeted Therapies in ER+/HER2- Breast Cancer

19 enrolled 10 charts

Breast Neoplasms

NCT02747004 2026-02-06

Next MONARCH 1

234 enrolled 20 charts

Breast Neoplasms

NCT04570956 2026-01-23

Oral Tamoxifen vs. TamGel vs. Control in Women With Atypical Hyperplasia, Lobular Carcinoma In Situ, or Increased Breast Cancer Risk

Phase 2 Terminated

65 enrolled

Breast Carcinoma In Situ, Breast Neoplasms

NCT03879577 2026-01-21

Assessing the Response Rate of Neo-adjuvant Taxotere and Trastuzumab in Nigerian Women With Breast Cancer

53 enrolled 13 charts

Breast Neoplasms

NCT02668666 2026-01-20

Palbociclib in Combination With Tamoxifen as First Line Therapy for Metastatic Hormone Receptor Positive Breast Cancer

49 enrolled 14 charts

Breast Neoplasms

NCT06001762 2026-01-16

TRADE: Dose Escalation Tolerability of Abemaciclib in HR+ HER2- Early Stage Breast Cancer

90 enrolled

Breast Neoplasms

NCT05826964 2026-01-13

Levels of Circulating Tumor DNA as a Predictive Marker for Early Switch in Treatment for Patients With Metastatic (Stage IV) Breast Cancer

24 enrolled

Breast Neoplasms

NCT05150652 2026-01-07

Neoadjuvant Endocrine Therapy in ER-positive, HER2-negative Early Stage Breast Cancer

8 enrolled

Breast Neoplasms

NCT05501704 2026-01-07

ETHAN - ET for Male BC

60 enrolled

Breast Neoplasms, Male

NCT01196936 2026-01-05

LDTam

84 enrolled 17 charts

Breast Neoplasms

NCT05035836 2025-12-22

A Phase 2 Single-Arm Open-Label Pilot Trial Evaluating Zanidatamab (ZW25) in Patients With Early Stage HER2/Neu Positive (HER2+) Breast Cancer (BC)

20 enrolled

Breast Neoplasms

NCT06364267 2025-11-18

BabyTears

140 enrolled

Breast Neoplasms

NCT04272801 2025-10-22

POWER

84 enrolled 9 charts

Breast Neoplasms

NCT06361940 2025-10-14

MAPPER

100 enrolled

Breast Neoplasms

NCT06033092 2025-08-28

TOLERANT

Phase 2 Not yet recruiting

Breast Carcinoma In Situ, Carcinoma, Intraductal, Noninfiltrating

NCT07101159 2025-08-03

Dalpiciclib as Adjuvant Therapy for HR-positive/HER2-negative Early-stage Patients

Breast Neoplasms

NCT04300790 2025-07-29

METALLICA

69 enrolled

BreastEndocrine

Breast Neoplasms, Hyperglycemia, Neoplasm Metastasis, Multiple Endocrine Neoplasia Type 1

NCT02476786 2025-07-28

Endocrine Treatment Alone for Elderly Patients With Estrogen Receptor Positive Operable Breast Cancer and Low Recurrence Score

50 enrolled

Breast Neoplasms

NCT05472792 2025-05-23

CAMERAN

90 enrolled

Breast Neoplasms

NCT05463601 2025-05-14

Mecapegfilgrastim for the Prevention of Dalpiciclib -Induced Neutropenia in Advanced Breast Cancer

132 enrolled

Breast Neoplasms

NCT02764541 2025-05-07

Palbociclib and Endocrine Therapy for LObular Breast Cancer Preoperative Study (PELOPS)

195 enrolled 26 charts

Breast Neoplasms, Carcinoma, Lobular

NCT02040857 2025-04-29

Palbociclib in Combination With Adjuvant Endocrine Therapy for Hormone Receptor Positive, HER2 Negative Invasive Breast Cancer

162 enrolled 12 charts

Breast Neoplasms

NCT03219476 2025-04-29

Neoadjuvant Endocrine Therapy in Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Node-Negative Breast Cancer

37 enrolled 10 charts

Breast Neoplasms

NCT03161353 2025-04-23

PHERGain

377 enrolled

Breast Neoplasms

NCT02206984 2025-03-11

Endocrine Response in Women With Invasive Lobular Breast Cancer

201 enrolled

Breast Neoplasms

NCT03346200 2025-03-07

KARISMA2

1,440 enrolled 14 charts

Breast Neoplasms, Risk Reduction Behavior

NCT03691493 2025-02-17

ASPIRE

36 enrolled 17 charts

Breast Neoplasms

NCT02993159 2024-12-18

Testing an Active Form of Tamoxifen (4-hydroxytamoxifen) Delivered Through Breast Skin to Control Ductal Carcinoma in Situ (DCIS) of the Breast

100 enrolled 15 charts

Carcinoma, Intraductal, Noninfiltrating

NCT04985266 2024-12-05

TRAK-ER

1,100 enrolled

ER+ Breast Cancer

NCT04129216 2024-05-07

The Effects of Short-term Preoperative Treatment With Hormonal Therapy on Gene Profiles in Breast Cancer

30 enrolled 10 charts

Breast Neoplasms

NCT04997941 2024-04-23

MORE-T

238 enrolled

Premenopausal Breast Cancer

NCT03272477 2024-04-17

TP-II

257 enrolled

Breast Neoplasms

NCT03906669 2023-11-22

WinPro

Phase 2 Unknown

Breast Neoplasms

NCT00499083 2023-09-29

Paclitaxel, Cyclophosphamide & Doxorubicin, Autologous Dendritic Cells & Surgery in Stage II/III Breast Cancer (Women)

17 enrolled 5 charts

Breast Neoplasms

NCT01298713 2023-09-06

Tamoxifen-RAD001 Versus Tamoxifen Alone in Patients With Anti-aromatase Resistant Breast Metastatic Cancer

111 enrolled