Genetic testing for cancer in diverse ethnic groups

GEMINI - Cancer Genetic Testing in Ethnic Populations

Not applicable Interventional Mayo Clinic · NCT04475640

This study is testing how genetic testing can help cancer patients from different ethnic backgrounds understand their risks and improve their personalized care.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment1800 (estimated)
Ages18 Years and up
SexAll
SponsorMayo Clinic Academic / other
Locations2 sites (Scottsdale, Arizona and 1 other locations)
Trial IDNCT04475640 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the prevalence of genetic mutations in cancer patients from various ethnic backgrounds at Mayo Clinic Arizona and Mayo Clinic Florida. It aims to integrate cancer genetic testing into standard oncology care by collecting blood or saliva samples for analysis. The study will assess the impact of genetic testing on cancer risk stratification and individualized screening, comparing results from multi-gene panel testing to traditional guidelines. By focusing on diverse populations, the trial seeks to enhance understanding of genetic risks associated with different ethnicities.

Who should consider this trial

Good fit: Ideal candidates include adults diagnosed with solid tumor cancers who self-identify as part of various ethnic populations and are seeking treatment at Mayo Clinic.

Not a fit: Patients who have undergone extensive germline genetic testing within the last 24 months may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved cancer risk assessment and personalized screening strategies for patients from diverse ethnic backgrounds.

How similar studies have performed: Other studies have shown success in integrating genetic testing into cancer care, particularly in diverse populations, but this specific approach is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients at least 18 years of age
* Individuals diagnosed with any solid tumor cancer including, but not limited to, gastrointestinal, breast, gynecological, genitourinary, skin, central nervous system (CNS)/brain, head/neck, musculoskeletal or cancer of unknown primary; and presenting to Mayo Clinic (MC Arizona or MC Florida) for clinical management/treatment; and patients receive genetic testing as described above
* Self-identified as being from various ethnic populations including Hispanic/Latino, Native American/Alaskan, African American (including of African descent), Asian and other European populations
* Blood collection is feasible (health, access and/or tolerability) for requested blood sample(s)
* Individuals have agreed to participate and signed the study informed consent form

Exclusion Criteria:

* Patients who have had prior germline genetic testing involving a 40+ gene panel within the last 24 months at Mayo Clinic and available for review by the research coordinator at time of consent
* Past or current history of hematological cancer (including leukemias, multiple myeloma)
* All bone marrow transplants

Where this trial is running

Scottsdale, Arizona and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Breast CarcinomaCarcinoma of Unknown PrimaryCentral Nervous System CarcinomaDigestive System CarcinomaGenitourinary System CarcinomaHead and Neck CarcinomaMalignant Brain NeoplasmMalignant Female Reproductive System Neoplasm
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.