Understanding breast cancer in young Latin American women

Molecular Subtypes of Premenopausal Breast Cancer in Latin American Women (PRECAMA): a Multicenter Population-based Case-control Study

Observational International Agency for Research on Cancer · NCT03144648

This study looks at the different types of breast cancer in young women from Latin America to see how lifestyle and other factors affect their risk and treatment outcomes.

Quick facts

Study typeObservational
Enrollment3000 (estimated)
Ages20 Years to 45 Years
SexFemale
SponsorInternational Agency for Research on Cancer Academic / other
Drugs / interventionschemotherapy
Locations13 sites (Barretos and 12 other locations)
Trial IDNCT03144648 on ClinicalTrials.gov

What this trial studies

This observational study aims to investigate the molecular subtypes of premenopausal breast cancer among women in Latin America. It focuses on identifying specific risk factors, tumor characteristics, and the impact of lifestyle factors such as diet and physical activity on breast cancer incidence and mortality. By conducting a multi-center case-control study, the research seeks to gather comprehensive data that can inform preventive measures and improve treatment outcomes for this demographic. The study will include women aged 20 to 45 who have been diagnosed with primary breast cancer.

Who should consider this trial

Good fit: Ideal candidates for this study are women aged 20 to 45 who have been diagnosed with primary breast cancer and have lived in the study area for at least three years.

Not a fit: Patients currently undergoing tumor treatment or those with chronic health conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and targeted prevention strategies for breast cancer in young women in Latin America.

How similar studies have performed: While there is limited research specifically targeting this demographic, similar studies have shown promise in understanding breast cancer risk factors in other populations.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* woman between 20 and 45 years old
* woman less than 3 years older or younger than the case
* living in the area that the study is taking place during the past 3 years
* woman menstruated at least once in the past 12 months
* woman diagnosed with a primary breast cancer by histopathological examination (only for cases)

Exclusion Criteria:

* woman receiving tumor treatment, such as radiotherapy, chemotherapy or anti-estrogens (for example, tamoxifen) (except treatment for non-melanoma skin cancers)
* woman taking (or has previously taken) any of the following medications in the past 6 months: tamoxifen, Evista (raloxifene), Fareston (toremifene), Aromasin (exemestane), Femara (letrozole), Arimidez (anastrozole) or Megace (megestrol)
* woman suffering from chronic kidney failure
* woman having a pathology that will hinder adequate communication
* woman who is pregnant or nursing
* woman who has been previously diagnosed with a cancer(except for non-melanoma skin cancers)
* any other reason to exclude

Where this trial is running

Barretos and 12 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Breast Cancer Female
Last reviewed 2026-06-10 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.