Our professionals
Dr. Rocío Martín Lozano
Specialist in Medical Oncology.
Primarily dedicated to the study and treatment of urological and breast tumors.
Professional career
Degree in Medicine from the University of Navarra (2019).
Specialist in Medical Oncology. She completed her specialty training at Gregorio Marañón General University Hospital in Madrid (2020-2025), where she later worked as an attending physician in the Medical Oncology Department.
University Master's Degree in Molecular Oncology from Rey Juan Carlos University (2022) and Master's Degree in Medical Oncology (SEOM Certification) from the University of Girona (2025).
Four-month research stay (2024) at the Breast Cancer Now Toby Robins Research Centre of The Institute of Cancer Research in London, linked to The Royal Marsden Hospital.
She is working on her doctoral thesis in the Doctoral Program in Medical Sciences at the Complutense University of Madrid, focused on translational research in triple-negative breast cancer.
She has experience in the care of patients with solid tumors, in phase I to III clinical trials and in the use of precision medicine in clinical practice.
RESEARCH AREAS
- Clinical and translational research in oncology, particularly in breast cancer.
- Tumor immunology.
- Liquid biopsy and biomarkers of treatment response.
- Cancer-associated thrombosis, prognostic factors and clinical outcomes in solid tumors.
AREAS OF INTEREST
- Multidisciplinary diagnosis and treatment of breast cancer and urological tumors.
- Personalized medicine and clinical application of molecular biomarkers.
- Immunotherapy and new treatments in oncology.
- Quality of care and comprehensive care for patients with cancer.
Activity
In teaching
- Clinical teaching collaborator in the Degree in Medicine at the Complutense University of Madrid (2021-2026), involved in the clinical training of students and the supervision of basic-clinical sessions.
- Head of training at the Medical Oncology Department of Gregorio Marañón General University Hospital, where she coordinated the program of sessions and teaching activities.
- She designed and implemented a session program for medical residents aimed at improving their training, self-assessment and resilience during specialization.
- She has taught workshops and training activities in oncology for students and healthcare professionals at courses and conferences.
- Instructor in MIR exam preparation courses at the CTO academy, with individual and group classes and tutorials.
In research
- Author and co-author of 2 articles in scientific journals, including Clinical & Translational Oncology, on cancer-associated thromboembolic disease, and of 8 book chapters.
- She has contributed to more than 40 presentations at national and international conferences, including ASCO, ESMO, SEOM, EACR and the San Antonio Breast Cancer Symposium, on the immunology of triple-negative breast cancer, biomarkers of treatment response and clinical outcomes in solid tumors.
- She has taken part as an investigator in phase I to III clinical trials, multicenter studies, national registries and translational research projects.
- Co-founder of the multidisciplinary Onco-UVI working group at Gregorio Marañón General University Hospital, dedicated to the assessment and management of critically ill cancer patients and to clinical research in this field.
- Peer reviewer for Clinical & Translational Oncology and member of scientific abstract review committees at conferences of the Spanish Association for Cancer Research (ASEICA).
- She has taken part in organizing scientific and training conferences.

Scientific organizations
- Spanish Society of Medical Oncology (SEOM).
- European Society for Medical Oncology (ESMO).
- Spanish Association for Cancer Research (ASEICA).
- European Association for Cancer Research (EACR).
- Spanish Breast Cancer Research Group (GEICAM).
Awards
- Travel grant from the Spanish Society of Medical Oncology (SEOM), 2024.
- Award for the best presentation by a resident, Spanish Society of Medical Oncology (SEOM), 2023.
- Banco Santander-Rey Juan Carlos University Excellence Grant for the Master's Degree in Molecular Oncology, 2022.