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Estrogen Receptor-Positive Breast Cancer

Part of Hormone Receptor-Positive Breast Cancer

2 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials for Estrogen Receptor-Positive Breast Cancer

16 trials tracked for Estrogen Receptor-Positive Breast Cancer: 1 in phase 3 or 4 and 1 with published results. The most-cited published study has 738 citations.

16Trials tracked
1Phase 3 & 4
0Recruiting
1With published results
Phase distribution
Phase 3 1 Phase 2 14 Other / NA 1
  1. Phase 3 Suppression of Ovarian Function With Either Tamoxifen or Exemestane Compared With Tamoxifen Alone in Treating Premenopausal Women With Hormone-Responsive Breast Cancer Completed · 738 cited
  2. Phase 2 Combination Chemotherapy and Peripheral Blood Stem Cell Transplant Followed By Aldesleukin and Sargramostim in Treating Patients With Inflammatory Stage IIIB or Metastatic Stage IV Breast Cancer Completed
  3. Phase 2 Phase II Trial of the Cyclin-Dependent Kinase Inhibitor PD 0332991 in Patients With Cancer Completed
  4. Phase 2 Doxorubicin Hydrochloride, Cyclophosphamide, and Filgrastim Followed By Paclitaxel Albumin-Stabilized Nanoparticle Formulation With or Without Trastuzumab in Treating Patients With Breast Cancer Previously Treated With Surgery Completed
  5. Phase 2 Study to Evaluate Exemestane With and Without Entinostat (SNDX-275) in Treatment of Postmenopausal Women With Advanced Breast Cancer Completed
  6. Phase 2 Anastrozole and ZD1839 Compared With Fulvestrant and ZD1839 in Postmenopausal Women w/ Metastatic Breast Cancer Completed
Show 10 more trials
  1. Phase 2 Tipifarnib and Fulvestrant in Hormone Receptor-Positive Metastatic Breast Cancer Completed
  2. Phase 2 TAK-228 Plus Tamoxifen in Patients With ER-Positive, HER2-negative Breast Cancer Completed
  3. Phase 2 Combination Chemotherapy and Filgrastim Before Surgery in Treating Patients With HER2-Positive Breast Cancer That Can Be Removed By Surgery Completed
  4. Phase 2 Palbociclib and Letrozole or Fulvestrant in Treating Patients With Estrogen Receptor Positive, HER2 Negative Metastatic Breast Cancer Completed
  5. Phase 2 Palbociclib in Combination With Tamoxifen as First Line Therapy for Metastatic Hormone Receptor Positive Breast Cancer Completed
  6. Phase 2 F-18 16 Alpha-Fluoroestradiol-Labeled Positron Emission Tomography in Predicting Response to First-Line Hormone Therapy in Patients With Stage IV Breast Cancer Completed
  7. Phase 2 Zoledronic Acid in Aromatase Inhibitor Induced Musculoskeletal Symptoms Completed
  8. Phase 2 4-Hydroxytamoxifen or Tamoxifen Citrate in Treating Women With Newly Diagnosed Ductal Breast Carcinoma in Situ Completed
  9. Phase 2 Trial of H3B-6545, in Women With Locally Advanced or Metastatic Estrogen Receptor-positive, HER2 Negative Breast Cancer Completed
  10. N/A Pilot Study Estradiol Followed by Exemestane Hormone Receptor + Metastatic Breast Cancer Completed

Showing the 16 most-cited and recently-updated of 16 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.

Research across Hormone Receptor-Positive Breast Cancer

Related studies from across the Hormone Receptor-Positive Breast Cancer family.

Carboplatin addition to standard chemotherapy improves event-free survival in early-stage triple-negative breast cancer
OB/GYN & Women's Health RCT
Carboplatin addition to standard chemotherapy improves event-free survival in early-stage triple-negative breast cancer Adding carboplatin improves survival for triple-negative breast cancer
This phase III trial evaluated the addition of carboplatin to a doxorubicin and cyclophosphamide regimen followed by a taxane in patients wi…
Adding carboplatin to standard chemotherapy improves event-free survival for women with early-stage triple-negative breast cancer.
Pembrolizumab reduces death risk by 34% in early-stage triple-negative breast cancer patients
OB/GYN & Women's Health Meta-analysis
Pembrolizumab reduces death risk by 34% in early-stage triple-negative breast cancer patients New Treatment Options Improve Survival for Patients with Triple Negative Breast Cancer
This meta-analysis of 3133 patients evaluates the efficacy of pembrolizumab and capecitabine in early-stage triple-negative breast cancer. T…
Doctors are finding that combining specific drugs can significantly improve survival rates and keep cancer from returning in early-stage pat…
Sacituzumab tirumotecan shows manageable safety profile in metastatic triple-negative breast cancer
Oncology RCT
Sacituzumab tirumotecan shows manageable safety profile in metastatic triple-negative breast cancer Trial shows manageable safety for triple-negative breast cancer treatment
This randomized controlled trial post-hoc exploratory analysis of 262 patients with metastatic triple-negative breast cancer evaluated the s…
A new analysis shows that patients with triple-negative breast cancer can manage common side effects during treatment.
Immune Checkpoint Inhibitors Combined With Chemotherapy Improve Pathological Complete Response in TNBC
Oncology Meta-analysis
Immune Checkpoint Inhibitors Combined With Chemotherapy Improve Pathological Complete Response in TNBC Immunotherapy Combined With Chemotherapy Shows Higher Response Rates in TNBC
Combining immune checkpoint inhibitors with chemotherapy significantly improves pathological complete response rates in patients with triple…
Adding immunotherapy to chemotherapy may improve response rates for patients with early-stage or high-risk triple-negative breast cancer.
Tumor necrosis-related fever may occur during neoadjuvant chemoimmunotherapy for metaplastic breast carcinoma
Oncology Sys. Review
Tumor necrosis-related fever may occur during neoadjuvant chemoimmunotherapy for metaplastic breast carcinoma Case Report Shows Tumor Necrosis Fever in Breast Cancer Treatment
This case report describes a patient with triple-negative breast cancer receiving neoadjuvant chemoimmunotherapy who experienced a tumor nec…
A single case study highlights how a persistent fever during chemotherapy may be caused by tumor necrosis rather than an infection.
RPN1 overexpression promotes immune evasion and treatment resistance in multiple malignancies including hepatocellular carcinoma
Drug Pipeline Sys. Review
RPN1 overexpression promotes immune evasion and treatment resistance in multiple malignancies including hepatocellular carcinoma RPN1 Protein Linked to Worse Outcomes in Several Cancers
This systematic review examines the role of RPN1 in glioma, hepatocellular carcinoma, sarcoma, and triple-negative breast cancer. The author…
High levels of the RPN1 protein are linked to aggressive cancer features and help tumors hide from the body's immune system.
ICIs Boost pCR in Early Triple-Negative Breast Cancer
Oncology Meta-analysis
ICIs Boost pCR in Early Triple-Negative Breast Cancer Immune drugs combined with chemotherapy improve results for triple-negative breast cancer
Adding immune checkpoint inhibitors to chemotherapy improves pathological complete response in early triple-negative breast cancer, with PD-…
Adding immune checkpoint inhibitors to chemotherapy significantly increases the chance of clearing cancer cells in triple-negative breast ca…
Platinum agents, PARP inhibitors, and immune checkpoint inhibitors increase pCR rates in early-stage TNBC
OB/GYN & Women's Health Sys. Review
Platinum agents, PARP inhibitors, and immune checkpoint inhibitors increase pCR rates in early-stage TNBC New data shows specific drug combinations improve triple-negative breast cancer outcomes
This network meta-analysis of 7,683 patients with early-stage triple-negative breast cancer (TNBC) evaluated various neoadjuvant treatment r…
New data shows that adding specific drugs like pembrolizumab or bevacizumab to standard chemotherapy can improve response rates for early-st…
Targeted therapy plus chemotherapy improves objective response and disease control rates in advanced TNBC
Oncology Meta-analysis
Targeted therapy plus chemotherapy improves objective response and disease control rates in advanced TNBC Targeted therapy plus chemotherapy improves response in triple-negative breast cancer
This systematic review and meta-analysis of 523 patients found that adding targeted therapy to chemotherapy for advanced triple-negative bre…
Adding targeted therapy to chemotherapy may improve how tumors respond in patients with advanced triple-negative breast cancer.
Adjuvant CDK4/6 inhibitors improve invasive Disease-Free Survival regardless of patient menopausal status
Oncology Meta-analysis
Adjuvant CDK4/6 inhibitors improve invasive Disease-Free Survival regardless of patient menopausal status CDK4/6 inhibitors show consistent results for both pre and postmenopausal women
This meta-analysis of 17,748 patients with HR+ and HER2-negative early breast cancer found that adjuvant CDK4/6 inhibitors improved invasive…
New data suggests that a specific type of breast cancer treatment works effectively regardless of whether a patient has reached menopause.
Neoadjuvant immune checkpoint inhibitors plus chemotherapy increase pathological complete response in early-stage triple-negative breast cancer
Allergy & Immunology Meta-analysis
Neoadjuvant immune checkpoint inhibitors plus chemotherapy increase pathological complete response in early-stage triple-negative breast cancer Immune checkpoint inhibitors improve response in triple-negative breast cancer
This meta-analysis of 3,377 patients found that neoadjuvant immune checkpoint inhibitors combined with chemotherapy significantly increased …
Adding immune checkpoint inhibitors to chemotherapy helps more patients with early-stage triple-negative breast cancer achieve a complete re…
Chemokine networks regulate triple-negative breast cancer tumor microenvironment but clinical translation remains limited
Oncology Sys. Review
Chemokine networks regulate triple-negative breast cancer tumor microenvironment but clinical translation remains limited Chemokine Targets Show Promise in Lab but Face Clinical Hurdles
This systematic review examines the role of chemokine networks and targeted interventions in the triple-negative breast cancer immune microe…
New research highlights the role of chemokine networks in breast cancer, showing strong results in labs despite challenges in current clinic…