What is the study calling a biomarker?
The FDA-NIH BEST summary describes measured biological characteristics, including molecular, imaging or physiological examples. Ask the team to name the actual measurement and intended use. A proposed marker is not the same as a report of how someone feels or functions. Avoid assuming that every questionnaire, blood result or app score is a validated biomarker.
Is it being discovered, evaluated or used clinically?
Ask which stage this research addresses and what evidence supports the specific purpose in the relevant setting. FDA explains that qualification for a drug-development context does not itself approve a test for patient care. Those U.S. distinctions are not global approvals. A laboratory’s ability to measure something and its clinical usefulness are separate questions.
Which procedures would you undergo?
Read the protocol’s actual sample, recording or assessment requirements and ask why each is needed. Clarify frequency, practical burden and optional activities without assuming every biomarker study involves genetics or a brain scan. Ask where material and information are stored and who can access them. The clinical team explains individual risks; a label cannot establish suitability.
Will you receive a personal result?
Ask whether any findings are returned, when, in what form and with whose explanation. Research analysis may be grouped, experimental or not intended for individual decisions. No reply should be interpreted as a normal result. Clarify the difference between receiving raw data, a research observation and an assessment interpreted for clinical care.
What could a result establish?
Ask about the purpose, uncertainty and limits of interpretation for an individual. A research association between a measure and a condition does not automatically provide a diagnosis or a prediction for you. Do not infer that a positive or negative experimental finding confirms or excludes a psychiatric condition. Bring clinical questions to your usual clinician and the study team.
Which questions should guide the discussion?
You could ask: “What is this measurement intended to show, what evidence supports that use, and would the result change anything in clinical care?” Request an understandable answer and the relevant study document. This checklist is not a diagnostic calculator, a treatment-matching tool or an assessment of a particular commercial test.