Actively Recruiting

Age: 18Years +
All Genders
NCT04703244

Development of Patient Derived Xenografts (PDX) in Patients With Breast Cancer

Led by Mayo Clinic · Updated on 2026-03-03

999

Participants Needed

1

Research Sites

1096 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Breast cancer patients who undergo neoadjuvant systemic therapy and have residual breast cancer identified at the time of surgery exhibit a high (\>50%) risk of future life-threatening recurrences and death.

CONDITIONS

Official Title

Development of Patient Derived Xenografts (PDX) in Patients With Breast Cancer

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 18 years or older
  • Diagnosis of invasive breast cancer treated with neoadjuvant systemic therapy
  • Breast cancer that can be surgically removed after neoadjuvant systemic treatment
  • Received at least 2 weeks of neoadjuvant endocrine therapy or at least 2 months of neoadjuvant chemotherapy with signs of remaining cancer on imaging
  • Began neoadjuvant chemotherapy or endocrine therapy but stopped due to evidence of cancer progression by MRI, ultrasound, or physical exam
  • Provided written informed consent
  • Willing to return to the enrolling institution for breast cancer surgery
  • Willing to provide blood specimens for research at Mayo Clinic
  • Willing to provide tissue specimens for research at Mayo Clinic
  • Willing to provide tissue specimens for growing PDX and organoids for future research at Mayo Clinic
Not Eligible

You will not qualify if you...

  • Not eligible for surgery
  • History of another cancer within 3 years before registration, except for non-melanoma skin cancer, papillary thyroid cancer, or non-invasive cancers like carcinoma in situ of the cervix

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Mayo Clinic

Rochester, Minnesota, United States, 55905

Actively Recruiting

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Research Team

C

Clinical Trials Referral Office

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

0

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