Exempt Review
Minimal-risk research that qualifies for one of the federal exempt categories.
Typical timeline: 1–3 weeks
Read the exempt review guideIRB Review Categories
Every IRB application falls into one of three review categories. Which one applies to your study depends on risk level, participant population, and the type of data you will collect.
Expedited Review
Minimal-risk research reviewed by the IRB chair or designated reviewer rather than the full board.
Typical timeline: 3–6 weeks
Read the expedited review guideFull Board Review
Greater-than-minimal-risk research reviewed at a convened meeting of the full IRB.
Typical timeline: 6–12 weeks
Read the full-board review guide