Altasciences
Research clinicCypress, CA
Up to $32,450top listing seen Oct 24, 2026
See paid studies (opens in a new tab)Research clinic
PPD’s participant page now redirects to Trialmed, which lists studies for both healthy volunteers and patients across a network of U.S. clinics.
Pay shown on some listings
A few listings show amounts; most say “compensation varies by study.”
See their paid studies (opens in a new tab)Advertised amounts are usually maximums. You may not qualify, may be kept as an alternate, or may receive less if you don’t complete every visit.
From the Money Guide · personal experience, 2024
The guide (2024) described PPD early-phase clinics in Austin, Las Vegas and Orlando, with Las Vegas and Austin the busiest in the author’s experience.
Locations
TexasNevadaAlabamaArizonaFloridaGeorgiaIllinoisIndianaMinnesota
Study types
Link status: Redirects (updated here) · checked Oct 23, 2026
The guide’s PPD link (ppd.com) now redirects here.
Cypress, CA
Up to $32,450top listing seen Oct 24, 2026
See paid studies (opens in a new tab)Salt Lake City, UT · Lenexa, KS · San Antonio, TX
Up to $30,000top listing seen Oct 24, 2026
See paid studies (opens in a new tab)Baltimore, MD
Up to $26,300top listing seen Oct 24, 2026
See paid studies (opens in a new tab)