The DOL Wage and Hour Division’s recently issued opinion letter clarifies the scope of permitted uses of Family Medical Leave Act leave. Specifically, it affirms that eligible employees may use FMLA leave for medical interventions provided as part of clinical trials, regardless of whether the treatment is experimental or involves placebos. Highlights from the DOL’s opinion letter address the following areas: FMLA requirements employees must meet; caring for a family member participating in a clinical trial; a broad definition of “treatment”; optional, voluntary or elective treatments; and limitations around employer inquiries and certification. We offer more details in our expanded piece, Granting FMLA Leave for Clinical Trials: Five Key Points from the DOL’s New Guidance for Employers.