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Refusal of Breast Surgery in Patients With Breast Cancer With a Clinical Complete Response (cCR) After Neoadjuvant Systemic Therapy and a Confirmed Pathological Complete Response (pCR) Using Vacuum-assisted Biopsy (VAB) and Sentinel Lymph Node Biopsy (SLNB)

Refusal of Breast Surgery in Patients With Breast Cancer With a Clinical Complete Response (cCR) After Neoadjuvant Systemic Therapy and a Confirmed Pathological Complete Response (pCR) Using Vacuum-assisted Biopsy (VAB) and Sentinel Lymph Node Biopsy (SLNB)

Recruiting
18-70 years
Female
Phase N/A

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Overview

Facial scars are frequently deemed unpleasant and can profoundly impact a patient's psychological health. This study compares the effectiveness, safety, and capacity to speed up scar healing in the maxillofacial region between fractional carbon dioxide (CO₂) laser therapy alone and polydeoxyribonucleotide (PDRN) combined with CO₂ laser therapy.

Eligibility

Inclusion Criteria:

  • Age Limitations: Participants must be between 18 and 50 years of age.
  • Recently cut wounds or surgical scars from about (1-6 months).
  • Consent to Participate: Willingness to provide informed consent and engage in all aspects of the study.

Exclusion Criteria:

  • Pregnancy or breastfeeding at the time of study.
  • Known allergy to PDRN.
  • Medication use that could affect wound healing or inflammation, such as:
    • Isotretinoin.
    • Anticancer drugs.
    • High-dose corticosteroids.
    • Anticoagulants.
  • Uncontrolled medical diseases (e.g., unstable diabetes, cardiac conditions).

Study details
    Refusal of Breast Surgery in Patients With Breast Cancer With a cCR After NST and a Confirmed Pathological Complete Response (pCR) Using VAB and SLNB

NCT04293796

N.N. Petrov National Medical Research Center of Oncology

13 May 2026

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