Fake Clinical Trial Scams via Phone Calls
Callers claiming to represent research institutions or pharmaceutical companies recruit people with specific conditions into fraudulent paid trials, collecting screening fees or harvesting personal medical details over the phone.
Part of: Fake Clinical Trial Scams
Last reviewed: 1 June 2026
Phone-based clinical trial recruitment fraud is particularly effective because the caller can adopt the confident, professional tone of a medical research coordinator, use accurate clinical terminology, and present a real-sounding institutional affiliation — all while asking questions that harvest valuable personal and medical data.
The paid incentive offered for trial participation provides a compelling reason for the recipient to stay on the call and provide information they would otherwise protect carefully.
How this scam works on Phone calls
A caller explains they are recruiting for a paid clinical study on behalf of a named university or pharmaceutical company, and that the recipient has been identified as a potential candidate based on their age, location, and known health condition. The caller conducts a brief eligibility screening, collecting detailed medical history, current medications, and GP contact details.
At the conclusion of the screening, the caller mentions a small administrative fee or insurance processing charge required before the enrolment can be confirmed. After payment, the study never commences and the caller cannot be reached again.
Common red flags
- Caller contacted you without any prior application or referral from a healthcare provider
- Eligibility screening over the phone collects more medical detail than would be needed for a simple pre-screen
- Fee requested at the end of a phone screening before any in-person visit or formal consent process
- Caller cannot provide a verifiable ethics committee approval reference when asked
- Institution named by the caller cannot be verified as conducting the described research
How to protect yourself
- Do not provide medical history over the phone to an unsolicited caller
- Verify any trial by searching the named institution's official website and the national clinical trial registry
- Never pay any fee to participate in a clinical trial — all genuine trials are free to participants
- Consult your doctor or specialist before agreeing to any trial screening, even a preliminary one
- Ask for a written information sheet and official contact address before providing any personal details
How to report it
- Report the call to your national clinical research regulator
- File a complaint with your national consumer protection authority if a fee was paid
- Alert the genuine institution whose name was used if you can verify its identity
Frequently asked questions
Would a legitimate clinical trial recruiter call me out of the blue?
Legitimate trial recruitment sometimes involves telephone outreach to patients registered with a healthcare provider or on a clinical database with their consent. However, a legitimate recruiter will always direct you to a verifiable trial listing and a formal information sheet, and will never request payment during a preliminary phone screening.