Skip to main content
OpenTrials
Not Yet Recruiting

NCT Number: NCT07275203

Concordance of the Biology of Primary Breast Carcinoma and the Biology of Recurrence .

the study will discuss the concordance of the biology of primary breast carcinoma and the biology of recurrence.

The study will be conducted at Department of Clinical Oncology, Sohag University Hospital and Sohag Cancer center, Sohag, Egypt.

including Patients diagnosed and treated between 2015 and 2025 and Data will be collected from medical records, pathology reports, and radiology reports.

Not Yet Recruiting

Trial opening soon.

Get Notified

Key information

Conditions

Breast Carcinoma Breast Diseases Breast Neoplasms Neoplasms Neoplasms by Site Skin Diseases Skin and Connective Tissue Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age more than18 years old at time of diagnosis of breast cancer.
  • Patients who had recurrent breast cancer following adjuvant treatment.
  • Biopsy was taken from the site of recurrence and biology was done.

Exclusion criteria

  • Patients with distant metastasis at time of presentation.
  • Patients diagnosed with double malignancy.
  • Patients with incomplete data records.
  • Recurrent breast cancer and biopsy difficult to be taken .

Treatment and study plan

No intervention

Other

No intervention

Primary outcomes

  1. Rate of receptor discordance between primary and recurrent breast cancer.

    Time frame: 2015-2025

Sponsors and collaborators

Lead sponsor

Sohag University

Other

Registry information

Official study title

Concordance of the Biology of Primary Breast Carcinoma and the Biology of Recurrence , Retrospective Study.

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Dec 10, 2025
Registry last updated
Jan 29, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Related clinical trials

Published trials that share one or more normalized conditions with this study.