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Circulating microRNAs and Response to Neoadjuvant Chemotherapy in Breast Cancer

RECRUITINGSponsored by Atlas University
Actively Recruiting
SponsorAtlas University
Started2025-12-15
Est. completion2026-08
Eligibility
Age18 Years+
SexFEMALE
Healthy vol.Accepted

Summary

This prospective observational study aims to investigate subtype-specific circulating microRNAs (miRNAs) and their association with response to neoadjuvant chemotherapy (NAC) in patients with breast cancer. Serum samples will be collected before NAC and prior to surgery, and changes in miRNA expression levels will be evaluated. Pathological complete response (pCR) and Miller-Payne scoring will be used to assess treatment response after NAC. The study also explores whether changes in circulating miRNA profiles can predict treatment response across different breast cancer subtypes. The findings may help identify biomarkers that support treatment planning and personalized therapy strategies.

Eligibility

Age: 18 Years+Sex: FEMALEHealthy volunteers accepted
Inclusion Criteria:

* Histologically confirmed breast cancer
* Planned to receive neoadjuvant chemotherapy
* Biologically female
* Age ≥ 18 years
* Ability to provide informed consent
* Adequate organ function to receive standard NAC (based on routine clinical evaluation)

Exclusion Criteria:

* Presence of metastatic disease at diagnosis
* Prior systemic chemotherapy for breast cancer
* Pregnancy or breastfeeding
* Active infection or uncontrolled comorbid conditions interfering with study participation
* Any condition preventing collection of blood samples

Conditions6

Breast CancerCancerInvasive Breast CarcinomaMicroRNAsNeoadjuvant TherapyPathological Response

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