Altasciences
Research clinicCypress, CA
Up to $32,450top listing seen Oct 24, 2026
See paid studies (opens in a new tab)Research clinic
An early-phase clinical research company. The guide’s U.S. participant link no longer works, so start from the main site.
Pay info not verified
Pay visibility not reviewed.
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.
Locations
Not listed on the page we checked.
Study types
Not described on the page we checked.
Link status: Redirects (updated here) · checked Oct 23, 2026
The guide’s /us/participate-in-a-trial link returned 404 on Oct 23, 2026.
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)