Testing extra blood samples in patients with unexpected drug effects
Part of Cancer clinical trials.
This study collects extra lab samples from people already taking experimental or approved cancer treatments at NIH. It helps researchers understand why you may be having an unexpected response or side effects, and whether drug levels in the body might be the cause.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Be age 2 or older and enrolled in an NIH intramural clinical trial approved by an ethics board
- If under 18, you cannot receive the “probe” portion of the sample collection
- You (or your legal representative) must be able to understand the study and sign consent
- You must be receiving or expected to receive a treatment (experimental or FDA-approved) at NIH
- You qualify if your team expects unusual drug handling (for example due to past toxicities, drug interactions, or genetics) or you have unusual response/toxicity that may relate to high drug levels
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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