Browse Studies About FAQ

Sign in Get started

Match. Apply. Get paid. The simplest way to participate in paid clinical research.

Product

Browse Studies How it Works Verification Arctuva Pro For Sponsors

Company

About Contact FAQ

Legal

Privacy Terms of Service Security Accessibility Transparency Report

© 2026 Arctuva, Inc. All rights reserved.

Compensation is for time and inconvenience, not income.

Browse Studies — Arctuva | Arctuva

Browse studies

Find your next paid study

1 recruiting study matching your filters

Newest first Highest paying

Filters

Condition

Location

Phase

Min compensation ($)

Max compensation ($)

Doxepin Versus Doxepin and Ramelteon Versus Placebo to Improve Sleep Quality After Primary Total Knee Arthroplasty: A Randomized Controlled Trial

Many patients experience poor sleep during recovery after total knee arthroplasty (TKA). Disturbed sleep can last weeks to months and may worsen pain, slow hea…

Sleep Quality Post-TKAPostoperative Knee FunctionQuality of Life After Primary TKA

~$25 – $1,000

Actual pay is set by the research site.

University of WashingtonNCT07598734