{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metastatic+Breast+Cancer+%28+HER2+Negative%29", "query": { "condition": "Metastatic Breast Cancer ( HER2 Negative)" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 396, "total_pages": 40, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metastatic+Breast+Cancer+%28+HER2+Negative%29&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-06-25T19:20:20.903Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT05104866", "title": "A Phase-3, Open-Label, Randomized Study of Dato-DXd Versus Investigator's Choice of Chemotherapy (ICC) in Participants With Inoperable or Metastatic HR-Positive, HER2-Negative Breast Cancer Who Have Been Treated With One or Two Prior Lines of Systemic Chemotherapy (TROPION-Breast01)", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "Dato-DXd", "type": "DRUG" }, { "name": "Capecitabine", "type": "DRUG" }, { "name": "Gemcitabine", "type": "DRUG" }, { "name": "Eribulin", "type": "DRUG" }, { "name": "Vinorelbine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "AstraZeneca", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 732, "start_date": "2021-10-18", "completion_date": "2026-07-31", "has_results": true, "last_update_posted_date": "2026-05-05", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 14, "location_summary": "Duarte, California • Los Angeles, California • Palo Alto, California + 10 more", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Jacksonville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT05104866" }, { "nct_id": "NCT01862081", "title": "A Dose-escalation Study to Assess the Safety, Tolerability, and Pharmacokinetics of GDC-0032 in Combination With Docetaxel or With Paclitaxel in Patients With HER2-negative Locally Recurrent or Metastatic Breast Cancer or Non-small Cell Lung Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Breast Cancer, Non-small Lung Cancer" ], "interventions": [ { "name": "Docetaxel", "type": "DRUG" }, { "name": "GDC-0032", "type": "DRUG" }, { "name": "Paclitaxel", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Genentech, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 80, "start_date": "2013-07-16", "completion_date": "2017-06-09", "has_results": false, "last_update_posted_date": "2017-11-28", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 10, "location_summary": "Tampa, Florida • Boston, Massachusetts • Detroit, Michigan + 5 more", "locations": [ { "city": "Tampa", "state": "Florida" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Detroit", "state": "Michigan" }, { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT01862081" }, { "nct_id": "NCT02049957", "title": "Safety and Efficacy Study of Sapanisertib in Combination With Exemestane or Fulvestrant in Postmenopausal Women With Estrogen Receptor Positive/Human Epidermal Growth Factor Receptor 2 Negative (ER+/HER2-) Metastatic Breast Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "Sapanisertib", "type": "DRUG" }, { "name": "Fulvestrant", "type": "DRUG" }, { "name": "Exemestane", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Calithera Biosciences, Inc", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 118, "start_date": "2014-02-13", "completion_date": "2018-06-29", "has_results": true, "last_update_posted_date": "2023-02-08", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 30, "location_summary": "Los Angeles, California • San Francisco, California • Santa Barbara, California + 24 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Santa Barbara", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Lakewood", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT02049957" }, { "nct_id": "NCT03291938", "title": "IACS-010759 in Advanced Cancers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Advanced Malignant Solid Neoplasm", "Anatomic Stage III Breast Cancer AJCC v8", "Anatomic Stage IIIA Breast Cancer AJCC v8", "Anatomic Stage IIIB Breast Cancer AJCC v8", "Anatomic Stage IIIC Breast Cancer AJCC v8", "Anatomic Stage IV Breast Cancer AJCC v8", "Estrogen Receptor Negative", "HER2/Neu Negative", "Metastatic Malignant Solid Neoplasm", "Pancreatic Ductal Adenocarcinoma", "Progesterone Receptor Negative", "Prognostic Stage III Breast Cancer AJCC v8", "Prognostic Stage IIIA Breast Cancer AJCC v8", "Prognostic Stage IIIB Breast Cancer AJCC v8", "Prognostic Stage IIIC Breast Cancer AJCC v8", "Prognostic Stage IV Breast Cancer AJCC v8", "Recurrent Lymphoma", "Refractory Lymphoma", "Stage II Pancreatic Cancer AJCC v8", "Stage IIA Pancreatic Cancer AJCC v8", "Stage IIB Pancreatic Cancer AJCC v8", "Stage III Pancreatic Cancer AJCC v8", "Stage IV Pancreatic Cancer AJCC v8", "Triple-Negative Breast Carcinoma", "Unresectable Solid Neoplasm" ], "interventions": [ { "name": "Oxidative Phosphorylation Inhibitor IACS-010759", "type": "DRUG" }, { "name": "Pharmacodynamic Study", "type": "OTHER" }, { "name": "Pharmacokinetic Study", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "M.D. Anderson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 29, "start_date": "2017-11-13", "completion_date": "2020-11-23", "has_results": false, "last_update_posted_date": "2020-11-24", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03291938" }, { "nct_id": "NCT02871791", "title": "Palbociclib With Everolimus + Exemestane In BC", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Human Epidermal Growth Factor 2 Negative Carcinoma of Breast", "Hormone Receptor (HR)-Positive Breast Cancer" ], "interventions": [ { "name": "Palbociclib", "type": "DRUG" }, { "name": "Everolimus", "type": "DRUG" }, { "name": "Exemestane", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Dana-Farber Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 41, "start_date": "2016-08-24", "completion_date": "2021-09", "has_results": true, "last_update_posted_date": "2022-08-29", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT02871791" }, { "nct_id": "NCT04460911", "title": "Treatment Patterns and Clinical Outcomes Among Patients With HR+/HER2- mBC Receiving Palbociclib Combination Therapy in the US Community Oncology Setting.", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Breast Cancer" ], "interventions": [], "intervention_types": [], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 317, "start_date": "2019-10-19", "completion_date": "2022-04-01", "has_results": true, "last_update_posted_date": "2024-01-11", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04460911" }, { "nct_id": "NCT06686602", "title": "A Study Assessing Risk Factors for Oral Mucositis/Stomatitis and Ocular Surface Events in NSCLC and Breast Cancer", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Advanced/Metastatic NSCLC", "Advanced/Metastatic HER2-negative Breast Cancer" ], "interventions": [ { "name": "No drug", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Daiichi Sankyo", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 13759, "start_date": "2024-07-09", "completion_date": "2025-03-18", "has_results": false, "last_update_posted_date": "2025-03-19", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 1, "location_summary": "Cambridge, Massachusetts", "locations": [ { "city": "Cambridge", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT06686602" }, { "nct_id": "NCT04585750", "title": "The Evaluation of PC14586 in Patients With Advanced Solid Tumors Harboring a TP53 Y220C Mutation (PYNNACLE)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Advanced Solid Tumor", "Advanced Malignant Neoplasm", "Metastatic Cancer", "Metastatic Solid Tumor", "Lung Cancer", "Ovarian Cancer", "Endometrial Cancer", "Prostate Cancer", "Colorectal Cancer", "Breast Cancer", "Other Cancer", "Locally Advanced", "Head and Neck Cancer", "Gall Bladder Cancer", "Small Cell Lung Cancer", "Small Cell Lung Cancer ( SCLC )", "Small Cell Lung Carcinoma", "NSCLC", "NSCLC (Non-small Cell Lung Cancer)", "SCLC", "Non-Small Cell Lung Carcinoma", "Triple Negative Breast Cancer", "TNBC", "HER2+ Breast Cancer", "Non-Small Cell Lung Cancer", "ER/PR Positive Breast Cancer", "HER2- Breast Cancer", "HER2-positive Breast Cancer", "HER2-negative Breast Cancer", "ER/PR(+), Her2(-) Breast Cancer" ], "interventions": [ { "name": "rezatapopt", "type": "DRUG" }, { "name": "pembrolizumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "PMV Pharmaceuticals, Inc", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 300, "start_date": "2020-10-29", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-03-12", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 32, "location_summary": "Irvine, California • La Jolla, California • Los Angeles, California + 25 more", "locations": [ { "city": "Irvine", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Denver", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT04585750" }, { "nct_id": "NCT01037790", "title": "Phase II Trial of the Cyclin-Dependent Kinase Inhibitor PD 0332991 in Patients With Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Adult Solid Tumor", "Adenocarcinoma of the Colon", "Adenocarcinoma of the Rectum", "Adult Central Nervous System Germ Cell Tumor", "Adult Teratoma", "Benign Teratoma", "Estrogen Receptor-negative Breast Cancer", "Estrogen Receptor-positive Breast Cancer", "Familial Testicular Germ Cell Tumor", "HER2-negative Breast Cancer", "HER2-positive Breast Cancer", "Male Breast Cancer", "Ovarian Immature Teratoma", "Ovarian Mature Teratoma", "Ovarian Monodermal and Highly Specialized Teratoma", "Progesterone Receptor-negative Breast Cancer", "Progesterone Receptor-positive Breast Cancer", "Recurrent Breast Cancer", "Recurrent Colon Cancer", "Recurrent Extragonadal Germ Cell Tumor", "Recurrent Extragonadal Non-seminomatous Germ Cell Tumor", "Recurrent Extragonadal Seminoma", "Recurrent Malignant Testicular Germ Cell Tumor", "Recurrent Melanoma", "Recurrent Ovarian Germ Cell Tumor", "Recurrent Rectal Cancer", "Stage III Extragonadal Non-seminomatous Germ Cell Tumor", "Stage III Extragonadal Seminoma", "Stage III Malignant Testicular Germ Cell Tumor", "Stage III Ovarian Germ Cell Tumor", "Stage IV Breast Cancer", "Stage IV Colon Cancer", "Stage IV Extragonadal Non-seminomatous Germ Cell Tumor", "Stage IV Extragonadal Seminoma", "Stage IV Melanoma", "Stage IV Ovarian Germ Cell Tumor", "Stage IV Rectal Cancer", "Testicular Immature Teratoma", "Testicular Mature Teratoma" ], "interventions": [ { "name": "PD-0332991", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Abramson Cancer Center at Penn Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 304, "start_date": "2009-10", "completion_date": "2019-10", "has_results": true, "last_update_posted_date": "2021-03-11", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT01037790" }, { "nct_id": "NCT03430518", "title": "Durvalumab and Eribulin in Her2-negative Metastatic Breast Cancer and Recurrent Ovarian Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HER2-Negative Metastatic Breast Cancer", "Recurrent Ovarian Cancer" ], "interventions": [ { "name": "Durvalumab", "type": "DRUG" }, { "name": "Eribulin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Amy Tiersten", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 9, "start_date": "2018-05-17", "completion_date": "2020-02-10", "has_results": false, "last_update_posted_date": "2020-08-05", "last_synced_at": "2026-06-25T19:20:20.903Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT03430518" } ] }