Recruitment Requirements for IRB Review

Recruitment is more than a logistical step in preparing a study—it is the very first interaction a potential participant has with the research team. A strong recruitment plan demonstrates respect for individuals, protects privacy, and ensures that the study reaches an appropriate and equitable sample. Because of this, recruitment materials and methods must be reviewed and approved by an Institutional Review Board (IRB) before they are used. Understanding what the IRB looks for helps researchers avoid delays and ensures participants are approached ethically and transparently.

Below is an overview of the key recruitment requirements every investigator should be prepared to provide when submitting to an IRB.

Why Recruitment Matters in Ethical Research

Recruitment sets the tone for the entire study. The Belmont Report principles—Respect for Persons, Beneficence, and Justice—all play a direct role in how potential participants are approached.

  • Respect for Persons requires individuals be given enough clear, accurate information to make an informed decision about participating.

  • Beneficence means that recruitment cannot mislead, pressure, or unduly influence people into studies that may carry risks they aren’t prepared for.

  • Justice requires equitable selection of participants and safeguards against targeting vulnerable populations without adequate justification.

Poorly designed recruitment can introduce bias, create perceptions of coercion, or compromise privacy—leading to findings that are not only unethical, but scientifically unsound.

What the IRB Looks For in a Recruitment Plan

To make a determination, the IRB must be able to clearly understand who you plan to recruit, why they were selected, and how you will approach them. A complete recruitment section typically includes:

1. Who Is Being Recruited and Why

Investigators must describe the intended participant population along with inclusion and exclusion criteria. The IRB evaluates whether the population is appropriate for the research question and whether recruitment is equitable.

2. How Potential Participants Will Be Identified

Researchers should explain the source of potential participants (e.g., clinic rosters, community postings, email lists, online communities) and confirm they have permission to access that source. Any use of PHI triggers HIPAA requirements and often requires explicit authorization or a waiver.

3. Who Will Conduct Recruitment

IRBs assess whether the recruiter’s role may create perceived pressure.
For example:

  • A treating clinician recruiting their own patients raises concerns about undue influence.

  • Independent research staff, by contrast, pose lower risk.

Researchers must justify when recruiters have supervisory, clinical, or evaluative authority.

4. Where and When Recruitment Occurs

Recruiting in emotionally charged settings—such as medical waiting rooms—may be inappropriate. Timing also matters; repeated or overly frequent outreach can feel coercive.

5. What Materials Will Be Used

All recruitment materials must be provided with the submission. This includes:

  • Flyers, posters, or print advertisements

  • Email scripts or text message templates

  • Social media posts or digital ads

  • Phone scripts

  • Landing pages or introduction text for online platforms

  • Screenshots of all digital ads

The IRB compares these materials to your protocol to ensure alignment and prevent inconsistencies or overstatements.

6. Privacy and Confidentiality Protections

Any recruitment approach that involves identifiable information must describe how that information is accessed, protected, and limited. Methods such as cold-calling from medical records or targeting individuals based on sensitive health attributes require significant safeguards and are often not approvable without HIPAA-compliant processes in place.

Acceptable vs. Higher-Risk Methods

Many common recruitment methods—flyers, social media ads, newsletters, email invitations, provider referrals, or research registries—are typically approvable when conducted transparently.

However, the IRB pays special attention to methods that inherently raise risk, including:

  • Direct outreach using PHI without prior authorization

  • Supervisors recruiting employees

  • Faculty recruiting their own students

  • Cold-calling patients from medical records

  • Ads emphasizing compensation in a way that overshadows the study purpose

  • Targeted digital advertising using sensitive attributes

These require a stronger rationale, additional protections, or may be disallowed.

Reviewing Recruitment Materials: What the IRB Considers

All recruitment content must be:

  • Accurate – no overstated benefits or misleading claims

  • Clear – appropriate reading level, written for the lay public

  • Balanced – includes voluntary nature and general purpose

  • Non-coercive – avoids high-pressure language

  • Neutral – compensation presented factually, not persuasively

The IRB also looks for “red flags,” such as:

  • “Guaranteed results” or promises of improvement

  • Excessive emphasis on payment

  • Scarcity tactics (“limited spots—act fast!”)

  • Emotional pressure or fear-based messaging

These undermine informed decision-making and violate the principle of Respect for Persons.

Final Thoughts

A thorough recruitment plan protects participants, supports ethical research, and helps avoid delays during IRB review. By clearly describing your population, methods, personnel, materials, and privacy safeguards, you set your study up for success from the very first interaction with potential participants.

If you need help drafting a recruitment plan or reviewing your materials before submission, Solutions IRB can provide guidance to ensure your approach is ethical, compliant, and ready for IRB review.

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