No treatment, just samples: new study aims to understand cancer immunity

NCT ID NCT00034216

Recruiting now Knowledge-focused Sponsor: National Cancer Institute (NCI) Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 23, 2026 · Updated 6 times

Summary

This study collects blood and other biospecimens from adults with cancer to analyze immune-suppressing cells and genetic changes. Up to 1,750 participants will provide samples before and after chemotherapy. The goal is to better understand how cancer affects the immune system, but no treatment is given as part of this research.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm colon carcinoma colonic neoplasm liver cancer Liver Neoplasms lung cancer lung neoplasm neoplasm prostate cancer

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BREAST CANCER COLON CANCER LIVER CANCER LUNG CANCER PROSTATE CANCER

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••
Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

National Institutes of Health Clinical Center
RECRUITING

Bethesda, Maryland, 20892, United States

Contact Phone: •••-•••-•••• Email: •••••@•••••

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