Clinical Trials

HER2-positive Metastatic Breast Cancer

NCT03006172 2026-03-11

To Evaluate the Safety, Tolerability, and Pharmacokinetics of Inavolisib Single Agent in Participants With Solid Tumors and in Combination With Endocrine and Targeted Therapies in Participants With Breast Cancer

200 enrolled

Breast Neoplasms

NCT04572295 2026-03-11

A Study of E7090 as Monotherapy and in Combination With Other Anticancer Agents in Participants With Estrogen Receptor Positive (ER+) and Human Epidermal Growth Receptor 2 Negative (HER2-) Recurrent/Metastatic Breast Cancer

51 enrolled

Acrocephalosyndactylia, Breast Neoplasms

NCT02778685 2026-02-24

Pembrolizumab, Endocrine Therapy, and Palbociclib in Treating Postmenopausal Patients With Newly Diagnosed Metastatic Stage IV Estrogen Receptor Positive Breast Cancer

47 enrolled 17 charts

Breast Neoplasms

NCT03179904 2026-02-24

TVB-2640 and Trastuzumab With Paclitaxel or Endocrine Therapy for Treatment of HER2 Positive Metastatic Breast Cancer

17 enrolled 10 charts

Advanced Breast Carcinoma

NCT06105632 2026-02-13

A Study to Learn About the Study Medicine Called PF-07220060 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment

333 enrolled

Breast Neoplasms, Recurrence

NCT02947685 2026-02-12

PATINA

518 enrolled 15 charts

Breast Neoplasms

NCT05501886 2026-02-10

VIKTORIA-1

701 enrolled

Breast Neoplasms, Neoplasm Metastasis

NCT02763566 2026-02-05

MONARCH plus

463 enrolled 20 charts

Breast Neoplasms

NCT05646862 2026-02-05

INAVO121

420 enrolled

Breast Neoplasms

NCT05306340 2026-01-30

A Study Evaluating the Efficacy and Safety of Giredestrant Plus Everolimus Compared With the Physician's Choice of Endocrine Therapy Plus Everolimus in Participants With Estrogen Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer (evERA Breast Cancer)

373 enrolled

Breast Neoplasms

NCT04305496 2026-01-29

CAPItello-291

818 enrolled 19 charts 2 FDA

Locally Advanced (Inoperable) or Metastatic Breast Cancer

NCT02057133 2026-01-26

A Study of LY2835219 (Abemaciclib) in Combination With Therapies for Breast Cancer That Has Spread

198 enrolled

Breast Neoplasms

NCT01953588 2026-01-22

Fulvestrant and/or Anastrozole in Treating Postmenopausal Patients With Stage II-III Breast Cancer Undergoing Surgery

1,473 enrolled

Breast Neoplasms, Carcinoma, Ductal, Breast, Carcinoma, Lobular

NCT05169567 2026-01-16

postMONARCH

368 enrolled 14 charts

Breast Neoplasms, Neoplasm Metastasis

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

NCT05365178 2026-01-07

To Evaluate the Efficacy and Safety of TQB3616 in Combination With Fulvestrant Versus Placebo in Combination With Fulvestrant in Previously Untreated Hormone-receptor (HR)-Positive, Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Advanced Breast Cancer

432 enrolled

HR-positive, HER2-negative Breast Neoplasms

NCT03393845 2026-01-02

Study of Pembrolizumab Plus Fulvestrant in Hormone Receptor Positive, HER-2 Negative Advanced/Metastatic Breast Cancer Patients

47 enrolled

Breast Neoplasms

NCT04762979 2026-01-02

Alpelisib (BYL719) in Combination With Continued Endocrine Therapy Following Progression on Endocrine Therapy in Hormone Receptor Positive, HER2 Negative, PIK3CA Mutant Metastatic Breast Cancer

44 enrolled

Hormone Receptor Positive Breast Carcinoma

NCT04579380 2025-12-19

Basket Study of Tucatinib and Trastuzumab in Solid Tumors With HER2 Alterations

BreastGastrointestinalGenitourinaryGynecologicThoracic

217 enrolled 19 charts

Biliary Tract Neoplasms, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Uterine Cervical Neoplasms, Urologic Neoplasms, Uterine Neoplasms, Colorectal Neoplasms

NCT04556773 2025-12-17

DB-08

138 enrolled

Breast Neoplasms, Triple Negative Breast Neoplasms

NCT02738866 2025-12-10

Palbociclib With Fulvestrant for Metastatic Breast Cancer After Treatment With Palbociclib and an Aromatase Inhibitor

60 enrolled

Phase 1/2 Active not recruiting

Breast Neoplasms

NCT01992952 2025-11-26

FAKTION

149 enrolled

Estrogen Receptor Positive Breast Cancer

NCT05226871 2025-11-25

Study for Participants Continuing From Pfizer-sponsored Palbociclib (a Study Medicine) Studies

35 enrolled

BreastHead & Neck

Squamous Cell Carcinoma of Head and Neck, Breast Neoplasms, Head and Neck Neoplasms

NCT05090358 2025-10-27

Preventing High Blood Sugar in People Being Treated for Metastatic Breast Cancer

15 enrolled

Breast Neoplasms

NCT02107703 2025-10-21

MONARCH 2

669 enrolled 22 charts 1 FDA

Breast Neoplasms

NCT04557449 2025-10-01

CDK4i

BreastGastrointestinalGenitourinarySarcomaThoracic

362 enrolled

Adenocarcinoma of Lung, Breast Neoplasms, Liposarcoma, Prostatic Neoplasms, Colorectal Neoplasms

NCT03147287 2025-09-30

Palbociclib After CDK and Endocrine Therapy (PACE)

220 enrolled 11 charts

Breast Neoplasms

NCT03959891 2025-09-29

AKT Inhibitor, Ipatasertib, With Endocrine and CDK 4/6 Inhibitor for Patients With Metastatic Breast Cancer (TAKTIC)

77 enrolled

Breast Neoplasms

NCT03939897 2025-09-24

Testing the Addition of Copanlisib to Usual Treatment (Fulvestrant and Abemaciclib) in Metastatic Breast Cancer

24 enrolled 15 charts

Breast Neoplasms

NCT03425838 2025-09-19

Endocrine Therapy Plus CDK4/6 in First or Second Line for Hormone (SONIA) Receptor Positive Advanced Breast Cancer

1,050 enrolled

Breast Neoplasm Female

NCT05392608 2025-09-17

SEQUEL-Breast

130 enrolled

Breast Neoplasms, Genetic Diseases, Inborn

NCT05063786 2025-09-08

ALPHABET

27 enrolled

Breast Neoplasms

NCT05625087 2025-08-20

SAFIR 03

162 enrolled