| Not Yet Recruiting | Impact of Exercise on Quality of Life of EBC Patients on Treatment With Adjuvant AI With or Without CDK4/6 Inh Early-stage Breast Cancer | N/A | 2026-03-01 |
| Completed | Study on the Level of Physical Activity in Patients Diagnosed With Breast Cancer in Spain Breast Cancer | — | 2025-01-08 |
| Terminated | Trastuzumab Deruxtecan in First-line HER2-positive Locally Advanced/MBC Patients Resistant to Trastuzumab+Pert Locally Advanced Breast Cancer, Metastatic Breast Cancer | Phase 2 | 2023-09-28 |
| Terminated | Efficacy and Safety of the Combination of Trastuzumab Plus TUCAtinib Plus viNorelbine in Patients With HER2-po HER2-positive Metastatic Breast Cancer, Locally Advanced HER2 Positive Breast Carcinoma | Phase 2 | 2023-03-08 |
| Active Not Recruiting | Three Antidiarrheal Strategies in HER2+/HR+ Early Breast Cancer Patients Treated With Extended Adjuvant Nerati Early-stage Breast Cancer, HER2 Positive Breast Cancer, Hormone Receptor Positive | Phase 2 | 2022-08-31 |
| Active Not Recruiting | Trastuzumab + Alpelisib +/- Fulvestrant vs Trastuzumab + CT in Patients With PIK3CA Mutated Previously Treated Advanced Breast Cancer | Phase 3 | 2021-09-14 |
| Active Not Recruiting | Characterization of Innate Immune System in Patients With Luminal Advanced Breast Cancer Metastatic Breast Cancer | — | 2021-05-21 |
| Active Not Recruiting | Neoadjuvant Study Chemotherapy vs Letrozole + Abemaciclib in HR+/HER2- High/Intermediate Risk Breast Cancer Pa Early Breast Cancer | Phase 2 | 2020-10-02 |
| Active Not Recruiting | Registry Study of Pregnancy and Breast Cancer Breast Cancer and Pregnancy | — | 2019-11-18 |
| Completed | Study on the Progress of Breast Cancer Cases in Males and the Assessment of Relapse Risk Breast Cancer, Male | — | 2018-09-14 |
| Completed | Unraveling KAdcyla Resistance In Human Epidermal Growth Factor Receptor 2(HER2) Positive Advanced Breast Cance Advanced Breast Cancer | — | 2018-06-12 |
| Recruiting | Long-Term Follow-up Study of Early Stage Breast Cancer Patients Included in GEICAM Studies Invasive Breast Cancer Early Stages | — | 2018-01-18 |
| Completed | Healthy Lifestyles and Quality of Life in Women With Breast Cancer Breast Cancer | — | 2017-11-07 |
| Completed | Analysis of Olaparib Response in Patients With BRCA1 and/or 2 Promoter Methylation Diagnosed of Advanced Breas Advanced Breast Cancer | Phase 2 | 2017-10-23 |
| Completed | Trial to Evaluate Efficacy and Safety of Pembrolizumab and Gemcitabine in HER2-negative ABC Advanced Breast Cancer | Phase 2 | 2017-06-28 |
| Recruiting | A Prospective Registry Study in Patients With Unresectable Locally Advanced or Metastatic Breast Cancer (MBC) Breast Neoplasms | — | 2016-08-01 |
| Completed | Retrospective Observational Study About Evolution of Patients With Breast Cancer in Hospitals From GEICAM Grou Invasive Breast Cancer Between 2002 and 2005 | — | 2016-06-03 |
| Completed | Effect of Physical Exercise on Tumor Proliferation of Luminal B Breast Cancer Patients Breast Cancer, Luminal B | — | 2016-06-01 |
| Unknown | Fulvestrant (F)+Placebo vs F+Palbociclib First Line for Postmenopausal Hormone Receptor+ Advanced Breast Cance Breast Neoplasms | Phase 2 | 2016-02-17 |
| Completed | Study of LDE225 (Sonidegib) in Combination With Docetaxel in Triple Negative (TN) Advanced Breast Cancer (ABC) Advanced Breast Cancer | Phase 1 | 2014-05-01 |
| Completed | Phase III Palbociclib With Endocrine Therapy vs. Capecitabine in HR+/HER2- MBC With Resistance to Aromatase In Metastatic Breast Cancer | Phase 3 | 2014-03-13 |
| Completed | Phase III to Evaluate Patient´s Preference of Subcutaneous Trastuzumab vs Intravenous in HER2+ Advanced Breast Breast Cancer | Phase 3 | 2013-09-18 |
| Completed | Evaluation of Hypertension as a Predictor of Efficacy Bevacizumab in Metastatic Breast Cancer and Colorectal C Metastatic Colorectal Cancer, Metastatic Breast Cancer | — | 2012-10-23 |
| Terminated | A Combined GWAS and miRNA for the Identification of Bevacizumab Response Predictors in Metastatic Breast Cance Breast Cancer Invasive Nos | — | 2012-04-18 |
| Completed | Neoadjuvant Treatment With Nab-paclitaxel for Patients With Stage II and III Luminal Breast Cancer Breast Cancer | Phase 2 | 2012-04-17 |
| Completed | Dasatinib In Combination With Trastuzumab And Paclitaxel In First Line Treatment Of Her2-Positive MBC Patients Metastatic Breast Cancer | Phase 1 / Phase 2 | 2011-07-01 |
| Completed | Incidence of Chemotherapy-Induced Nausea and Vomiting Associated With Docetaxel-Cyclophosphamide in Early Brea Breast Cancer | Phase 4 | 2011-05-01 |
| Completed | Evaluation of Degree of Conversion of HER2 Receptor Between Primary Breast Cancer and Metastasis Breast Cancer | — | 2009-12-11 |
| Completed | Trastuzumab Versus Lapatinib as Neoadjuvant Treatment for Her2+ Patients Breast Cancer | Phase 2 | 2009-02-01 |
| Completed | Bevacizumab + Endocrine Treatment vs Endocrine Treatment as First Line in Postmenopausal Women Breast Cancer | Phase 3 | 2007-11-06 |
| Terminated | Fulvestrant (Faslodex) + Anastrozole (Arimidex) vs Anastrozole Breast Cancer | Phase 3 | 2007-11-01 |
| Completed | Study of the Utility of the BOMET-QOL Questionnaire Patients With Breast Cancer and Bone Metastasis Breast Carcinoma Metastatic to the Bone | — | 2007-10-23 |
| Terminated | Capecitabine Plus Radiotherapy for Local Relapse Breast Cancer With Negative Her2 Tumours Breast Cancer | Phase 2 | 2007-09-01 |
| Completed | Selective Neoadjuvant Treatment According to Immunohistochemical Subtype for HER2 Negative Breast Cancer Patie Breast Cancer | Phase 2 | 2007-04-24 |
| Completed | Caelyx, Cyclophosphamide and Herceptin in Patients With Metastatic Breast Cancer Breast Cancer | Phase 2 | 2006-02-15 |
| Completed | Maintenance Treatment With Capecitabine Versus Observation in Breast Cancer Patients Breast Cancer | Phase 3 | 2006-01-01 |
| Terminated | Benefit of Adding Trastuzumab to Second Line Chemotherapy in Breast Cancer Patients Previously Treated With Tr Breast Cancer | Phase 2 | 2005-11-04 |
| Completed | EC Followed Docetaxel Versus ET Followed Capecitabine as Adjuvant Chemotherapy for Node Positive Operable Brea Breast Cancer | Phase 3 | 2004-02-01 |
| Completed | Neoadjuvant Chemotherapy With Myocet/Taxotere/Herceptin for HER2 Positive Breast Cancer Patients Breast Cancer | Phase 1 / Phase 2 | 2004-01-01 |
| Completed | FAC Versus FAC Plus Weekly Paclitaxel as Adjuvant Treatment of Node Negative High Risk Breast Cancer Patients Breast Cancer | Phase 3 | 2003-09-19 |
| Completed | Gemcitabine, Doxorubicin and Paclitaxel (GAT) as Neoadjuvant Treatment of Breast Cancer Patients Breast Cancer | Phase 2 | 2003-03-01 |
| Completed | Doxorubicin and Cyclophosphamide (AC) Followed by Weekly Docetaxel as Neoadjuvant Treatment of Breast Cancer P Breast Cancer | Phase 2 | 2003-02-01 |
| Completed | Maintenance Treatment With Liposomal Doxorubicin (Caelyx) in Metastatic Breast Cancer Patients Breast Neoplasms | Phase 4 | 2002-10-28 |
| Terminated | Zoledronic Acid Administration to Metastatic Breast Cancer Patients With Non-symptomatic Bone Lesions Breast Cancer, Neoplasm Metastasis | Phase 3 | 2002-08-29 |
| Completed | Exemestane Versus Anastrozole as First Line Hormone Therapy in Postmenopausal Metastatic Breast Cancer Patient Breast Cancer | Phase 2 | 2001-08-01 |
| Completed | Vinorelbine Versus Gemcitabine Plus Vinorelbine in Metastatic Breast Cancer Patients Breast Cancer, Neoplasm Metastasis | Phase 3 | 2001-01-18 |
| Completed | Pamidronate Administration in Breast Cancer Patients With Bone Metastases Breast Cancer, Neoplasm Metastasis | Phase 4 | 2000-10-18 |
| Completed | Fluorouracil, Epirubicin, and Cyclophosphamide Alone or Followed by Paclitaxel for Early Breast Cancer Breast Cancer | Phase 3 | 1999-11-01 |
| Completed | Docetaxel, Doxorubicin (A), Cyclophosphamide (C) (TAC) vs 5-Fluorouracil, A, C (5FAC) Breast Cancer Adjuvant T Breast Neoplasms | Phase 3 | 1999-07-01 |