Clinical trial · Observational
Prospective Evaluation of Breast Cancer at Brazilian Institutions - Project AMAZONA III
NCT02663973CI-TRIAL-00052279completedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The principal goal of this study is to describe the epidemiology of breast cancer in the Brazilian population
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Breast Cancer | Malignant Breast Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (0)
Data not yet available
No intervention recorded.
Design
Arms and outcomes
Arms (0)
[]Primary outcomes (1)
- measure
- Description of the epidemiology of breast cancer in the Brazilian population
- timeFrame
- Annually, during 5 years
Secondary outcomes (10)
- measure
- Description of the socioeconomical characteristics of the Brazilian population with breast cancer
- timeFrame
- Annually, during 5 years
- measure
- Characterization of the immunophenotypic markers of the tumor
- timeFrame
- Annually, during 5 years
- description
- estrogen receptor, progesterone receptor, HER2, Ki67
- measure
- Classification of breast cancer staging
- timeFrame
- Annually, during 5 years
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Woman ≥ 18 years old * Invasive breast cancer stage I to IV proven by histology or cytology * Patients with new pathological diagnosis of invasive primary BC after the site activation date * Pathological diagnosis of invasive breast cancer during recruitment (6 months before center activation or until 3000 patients included) * New primary cancer on the same breast or contralateral breast. * Patient's medical chart is available and adequate for data collection * Patient properly signed the informed consent form
References
Publications (17)
- BACKGROUNDAllemani C, Weir HK, Carreira H, Harewood R, Spika D, Wang XS, Bannon F, Ahn JV, Johnson CJ, Bonaventure A, Marcos-Gragera R, Stiller C, Azevedo e Silva G, Chen WQ, Ogunbiyi OJ, Rachet B, Soeberg MJ, You H, Matsuda T, Bielska-Lasota M, Storm H, Tucker TC, Coleman MP; CONCORD Working Group. Global surveillance of cancer survival 1995-2009: analysis of individual data for 25,676,887 patients from 279 population-based registries in 67 countries (CONCORD-2). Lancet. 2015 Mar 14;385(9972):977-1010. doi: 10.1016/S0140-6736(14)62038-9. Epub 2014 Nov 26. PMID 25467588
- BACKGROUNDFreitas-Junior R, Gonzaga CM, Freitas NM, Martins E, Dardes Rde C. Disparities in female breast cancer mortality rates in Brazil between 1980 and 2009. Clinics (Sao Paulo). 2012 Jul;67(7):731-7. doi: 10.6061/clinics/2012(07)05. PMID 22892915
- BACKGROUNDGonzaga CM, Freitas-Junior R, Souza MR, Curado MP, Freitas NM. Disparities in female breast cancer mortality rates between urban centers and rural areas of Brazil: ecological time-series study. Breast. 2014 Apr;23(2):180-7. doi: 10.1016/j.breast.2014.01.006. Epub 2014 Feb 4. PMID 24503143
- BACKGROUNDPalmer JR, Viscidi E, Troester MA, Hong CC, Schedin P, Bethea TN, Bandera EV, Borges V, McKinnon C, Haiman CA, Lunetta K, Kolonel LN, Rosenberg L, Olshan AF, Ambrosone CB. Parity, lactation, and breast cancer subtypes in African American women: results from the AMBER Consortium. J Natl Cancer Inst. 2014 Sep 15;106(10):dju237. doi: 10.1093/jnci/dju237. Print 2014 Oct. PMID 25224496
- BACKGROUNDPhipps AI, Chlebowski RT, Prentice R, McTiernan A, Wactawski-Wende J, Kuller LH, Adams-Campbell LL, Lane D, Stefanick ML, Vitolins M, Kabat GC, Rohan TE, Li CI. Reproductive history and oral contraceptive use in relation to risk of triple-negative breast cancer. J Natl Cancer Inst. 2011 Mar 16;103(6):470-7. doi: 10.1093/jnci/djr030. Epub 2011 Feb 23. PMID 21346227
- BACKGROUNDAnderson KN, Schwab RB, Martinez ME. Reproductive risk factors and breast cancer subtypes: a review of the literature. Breast Cancer Res Treat. 2014 Feb;144(1):1-10. doi: 10.1007/s10549-014-2852-7. Epub 2014 Jan 30.