Clinical trial Recruiting at 65 sites Observational Ages 18 and up Women only

Long-term follow-up of early stage breast cancer patients

Official title: Long-Term Follow-up Study of Early Stage Breast Cancer Patients Included in GEICAM Studies

Run by Spanish Breast Cancer Research Group · NCT03390894 · Data updated 2026-11-12

This study is tracking early-stage breast cancer patients for about 30 years after their treatment to see how well the treatments work and what long-term effects they might have.

More Invasive Breast Cancer Early Stages trials

Quick facts

Study typeObservational
Ages18 Years and up
SexWomen only
Enrollment8000 (estimated)
SponsorSpanish Breast Cancer Research Group
Academic / other
Locations73 sites (Pamplona, Navarre and 72 other locations)
StatusRecruiting
StartedJanuary 18, 2018
Main results expectedJanuary 2047
Study endsJanuary 2048
Registry record updatedOctober 13, 2026
Trial IDNCT03390894 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are patients who have previously participated in neoadjuvant or adjuvant clinical trials with GEICAM.

Probably not a fit

Patients who were excluded from the original studies due to non-compliance or withdrawal of consent may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This multicenter cohort study aims to collect long-term follow-up data from patients diagnosed with early-stage invasive breast cancer who participated in neoadjuvant or adjuvant clinical trials conducted by the GEICAM group. Patients will be monitored for approximately 30 years after completing their original study follow-up. The study seeks to evaluate the long-term efficacy and potential sequelae of treatments, providing valuable insights for healthcare professionals and society. The data collected will enhance understanding of the long-term evolution of early-stage invasive breast cancer.

Why it matters

Potential benefit: If successful, this study could provide critical insights into the long-term outcomes and treatment effects for early-stage breast cancer patients.

How similar studies have gone: Other studies have shown success in long-term follow-up of cancer patients, indicating that this approach is valuable and has been previously tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients included in neoadjuvant and adjuvant clinical trials with GEICAM's participation. If any of these patients had taken part or is participating in another clinical trial, she/he is eligible for this trial and her/his information will also be collected.
* Patients whose death or contact loss has not been previously collected in the databases of the original studies.

Exclusion Criteria:

* Patient who were not included in the analyses of the original studies due to non-compliance of the eligibility criteria or the original study informed consent withdrawal.

Where it's running

  • Hospital San Agustín Avilés
    Avilés, Principality of Asturias, Spain
    Recruiting
  • Centro Oncológico de Galicia
    A Coruña, Spain
    Recruiting
  • Complejo Hospitalario A Coruña
    A Coruña, Spain
    Recruiting
  • Complejo Hospitalario Universitario de Albacete
    Albacete, Spain
    Recruiting
  • Hospital General Universitario de Alicante
    Alicante, Spain
    Recruiting
  • Hospital General Universitario de Elche
    Alicante, Spain
    Recruiting
Show 44 more locations
  • Hospital General Universitario de Elda
    Alicante, Spain
    Recruiting
  • Hospital Virgen De Los Lirios
    Alicante, Spain
    Recruiting
  • Hospital Infanta Cristina
    Badajoz, Spain
    Recruiting
  • Hospital Universitari Germans Trias i Pujol
    Badalona, Spain
    Recruiting
  • Consorci Sanitari de Terrassa
    Barcelona, Spain
    Recruiting
  • Hospital Clinic i Provincial
    Barcelona, Spain
    Recruiting
  • Hospital de la Santa Creu i Sant Pau
    Barcelona, Spain
    Recruiting
  • Hospital del Mar
    Barcelona, Spain
    Recruiting
  • Hospital Universitario Mutua Terrassa
    Barcelona, Spain
    Recruiting
  • Instituto Catalán Oncología Barcelona Hospital Duran I Reynalds
    Barcelona, Spain
    Recruiting
  • Hospital Universitario de Basurto
    Bilbao, Spain
    Recruiting
  • Hospital Universitario de Burgos
    Burgos, Spain
    Recruiting
  • Complejo Especialidades de Jerez de la Frontera
    Cadiz, Spain
    Recruiting
  • Hospital Universitario Puerta del Mar
    Cadiz, Spain
    Recruiting
  • Complejo Hospitalario de Castellón
    Castelló, Spain
    Recruiting
  • Hospital Universitario Reina Sofía
    Córdoba, Spain
    Recruiting
  • Hospital Virgen De La Luz
    Cuenca, Spain
    Recruiting
  • Hospital Universitario de Cruces
    Donostia / San Sebastian, Spain
    Recruiting
  • Hospital Universitario Donostia
    Donostia / San Sebastian, Spain
    Recruiting
  • Onkologikoa
    Donostia / San Sebastian, Spain
    Recruiting
  • Instituto Catalán de Oncología Gerona Hospital Dr. Josep Trueta
    Girona, Spain
    Recruiting
  • Hospital Universitario San Cecilio
    Granada, Spain
    Recruiting
  • Hospital Universitario Virgen De Las Nieves
    Granada, Spain
    Recruiting
  • Hospital Universitario de Guadalajara
    Guadalajara, Spain
    Recruiting
  • Complejo Hospitalario de Especialidades Juan Ramón Jiménez
    Huelva, Spain
    Recruiting
  • Complejo Hospitalario de Jaén
    Jaén, Spain
    Recruiting
  • Hospital de León
    León, Spain
    Recruiting
  • Hospital Universitario Lucus Augusti
    Lugo, Spain
    Recruiting
  • Hospital de Mostoles
    Madrid, Spain
    Recruiting
  • Hospital general Universitario Gregorio Marañón
    Madrid, Spain
    Recruiting
  • Hospital Universitario 12 de Octubre
    Madrid, Spain
    Recruiting
  • Hospital Universitario Fuenlabrada
    Madrid, Spain
    Recruiting
  • Hospital Universitario Fundación Alcorcón
    Madrid, Spain
    Recruiting
  • Hospital Universitario La Paz
    Madrid, Spain
    Recruiting
  • Hospital Universitario La Princesa
    Madrid, Spain
    Recruiting
  • Hospital Universitario Ramón y Cajal
    Madrid, Spain
    Recruiting
  • Hospital Universitario Severo Ochoa
    Madrid, Spain
    Recruiting
  • ALTHAIA Xarxa Asistencial Universitària Manresa
    Manresa, Spain
    Recruiting
  • Hospital Regional de Málaga Carlos Haya
    Málaga, Spain
    Recruiting
  • Hospital Universitario Virgen de la Victoria
    Málaga, Spain
    Recruiting
  • Hospital Clínico Universitario Virgen de la Arrixaca
    Murcia, Spain
    Recruiting
  • Hospital General Universitario José María Morales Meseguer
    Murcia, Spain
    Recruiting
  • Hospital santa María Naí
    Ourense, Spain
    Recruiting
  • Hospital Álvaro Cunqueiro
    Pontevedra, Spain
    Recruiting

+23 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.