Clinical trial · Observational
Genetic Markers of Circulating Tumor DNA for Monitoring Breast Cancer Patients in Costa Rica
Genetic Markers of Circulating Tumor DNA for Monitoring Breast Cancer in Patients of the Hospital San Juan de Dios From 2018 to 2020.
NCT04163159CI-TRIAL-00041886unknownClinicalTrials.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 use of circulating tumor DNA (ctDNA) as a noninvasive test for breast cancer monitoring throughout the course of the disease
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Metastatic Breast Cancer | Malignant Breast Neoplasm | CURATED_BROADER | 0.78 |
| Mutation, Point | — | UNRESOLVED | — |
Interventions
Interventions (0)
Data not yet available
No intervention recorded.
Design
Arms and outcomes
Arms (0)
[]Primary outcomes (2)
- measure
- Assessment of circulating free DNA (cfDNA) concentration (in ng/uL) obtained from peripheral blood (liquid biopsy).
- timeFrame
- 12 months
- description
- Samples will be analyze with Real time PCR and fluorometric assay and compare with overall survival
- measure
- Number of somatic mutation findings in circulating free DNA (cfDNA) obtained from peripheral blood (liquid biopsy)
- timeFrame
- 12 months
- description
- Samples will be analyze with targeted NGS sequencing panel
Secondary outcomes (3)
- measure
- Estrogen Receptor (ER), Progesterone Receptor (PR), Human Epidermal Growth Factor Receptor 2 (HER2) status
- timeFrame
- 24 months
- description
- ER, PR, HER2 status
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
- Maximum age
- 99 Years
Show eligibility criteria text
Inclusion Criteria: * Metastatic breast cancer before the start of chemotherapeutic treatment Exclusion Criteria: * Patients with incomplete clinical records
References
Publications (10)
- BACKGROUNDCristofanilli M, Budd GT, Ellis MJ, Stopeck A, Matera J, Miller MC, Reuben JM, Doyle GV, Allard WJ, Terstappen LW, Hayes DF. Circulating tumor cells, disease progression, and survival in metastatic breast cancer. N Engl J Med. 2004 Aug 19;351(8):781-91. doi: 10.1056/NEJMoa040766. PMID 15317891
- BACKGROUNDDawson SJ, Tsui DW, Murtaza M, Biggs H, Rueda OM, Chin SF, Dunning MJ, Gale D, Forshew T, Mahler-Araujo B, Rajan S, Humphray S, Becq J, Halsall D, Wallis M, Bentley D, Caldas C, Rosenfeld N. Analysis of circulating tumor DNA to monitor metastatic breast cancer. N Engl J Med. 2013 Mar 28;368(13):1199-209. doi: 10.1056/NEJMoa1213261. Epub 2013 Mar 13. PMID 23484797
- BACKGROUNDDiaz LA Jr, Bardelli A. Liquid biopsies: genotyping circulating tumor DNA. J Clin Oncol. 2014 Feb 20;32(6):579-86. doi: 10.1200/JCO.2012.45.2011. Epub 2014 Jan 21. PMID 24449238
- BACKGROUNDGarcia-Saenz JA, Ayllon P, Laig M, Acosta-Eyzaguirre D, Garcia-Esquinas M, Montes M, Sanz J, Barquin M, Moreno F, Garcia-Barberan V, Diaz-Rubio E, Caldes T, Romero A. Tumor burden monitoring using cell-free tumor DNA could be limited by tumor heterogeneity in advanced breast cancer and should be evaluated together with radiographic imaging. BMC Cancer. 2017 Mar 22;17(1):210. doi: 10.1186/s12885-017-3185-9. PMID 28330468
- BACKGROUNDGoss PE, Lee BL, Badovinac-Crnjevic T, Strasser-Weippl K, Chavarri-Guerra Y, St Louis J, Villarreal-Garza C, Unger-Saldana K, Ferreyra M, Debiasi M, Liedke PE, Touya D, Werutsky G, Higgins M, Fan L, Vasconcelos C, Cazap E, Vallejos C, Mohar A, Knaul F, Arreola H, Batura R, Luciani S, Sullivan R, Finkelstein D, Simon S, Barrios C, Kightlinger R, Gelrud A, Bychkovsky V, Lopes G, Stefani S, Blaya M, Souza FH, Santos FS, Kaemmerer A, de Azambuja E, Zorilla AF, Murillo R, Jeronimo J, Tsu V, Carvalho A, Gil CF, Sternberg C, Duenas-Gonzalez A, Sgroi D, Cuello M, Fresco R, Reis RM, Masera G, Gabus R, Ribeiro R, Knust R, Ismael G, Rosenblatt E, Roth B, Villa L, Solares AL, Leon MX, Torres-Vigil I, Covarrubias-Gomez A, Hernandez A, Bertolino M, Schwartsmann G, Santillana S, Esteva F, Fein L, Mano M, Gomez H, Hurlbert M, Durstine A, Azenha G. Planning cancer control in Latin America and the Caribbean. Lancet Oncol. 2013 Apr;14(5):391-436. doi: 10.1016/S1470-2045(13)70048-2.