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For volunteers

Compensation and reimbursement

Clear information about what participants may receive, and why it is never framed as an incentive to enroll.

How it works

Many studies offer compensation for the time participants spend at visits and for travel-related costs. Where compensation is offered, the amount and schedule are described in the informed consent document, reviewed by the IRB, and discussed before you enroll.

Compensation reflects the time and effort involved in participation. It is not a payment for accepting risk, and it should never be the primary reason to join a study.

Practical details

Compensation is typically issued per completed visit rather than as a lump sum at the end. Payment method and timing vary by study and sponsor.

  • Amounts are disclosed in writing before enrollment
  • Payment is usually tied to completed visits
  • Travel and parking reimbursement may be available
  • Compensation may be reportable income depending on the amount

Frequently asked questions

Answers to questions we hear most often.

Do all studies offer compensation?

No. Compensation varies by protocol and sponsor. When it is offered, the details appear in the informed consent document.

When is compensation paid?

Most often after each completed visit, on a schedule described in the consent document.

Is travel reimbursed?

Many studies reimburse mileage, parking, or other travel costs. Your coordinator will explain what applies to your study.

Do I still get paid if I withdraw early?

Typically you receive compensation for visits already completed. The consent document explains how this is handled.

Is compensation taxable?

Depending on the amount, compensation may be reportable income. We can provide documentation, but we cannot offer tax advice.

Questions about a specific study?

Compensation details are study-specific. We are happy to review them with you.

Contact us

Information on this website is provided for general educational purposes about clinical research and is not medical advice. Participation in any study is voluntary.