The leader in successful patient recruitment and retention.
Flexible. Scalable. Experienced.
About TPRA →The Patient Recruiting Agency™ is a full-service global patient recruiting and retention company supporting Investigators, CROs, and Sponsors. Since 1999, TPRA has been one of the preeminent leaders in providing Patient Recruiting and Retention Services to the clinical trial industry.
The most substantial attributes that differentiate TPRA from its competitors are over two decades of experience, our flexibility to maneuver and execute under tight timelines, our ability to implement modifications or changes quickly, and our scalability to easily adapt service variations to best suit any type of situation — whether that’s supporting a single Site’s recruiting effort, or a multi-Site, multi-country, multi-language program.
One partner for every side of the trial.
Sponsors
Global programs of any size, scope, and location — with flexible service offerings focused on maximizing ROI.
CROs
In-house services that start fast, adapt quickly, and integrate seamlessly with existing workflows.
Sites & Site Networks
Quality, pre-screened referrals delivered directly into RADIUS365™ — referrals your team can actually enroll.
Experience our SPARQ™.
By leveraging our unique enrollment methodology, we help Sponsors, CROs and Sites consistently enroll trials with varying levels of scope and complexity — no matter the trial phase or location.
See how SPARQ™ can help your trials →Quality referrals sites can actually enroll
Pre-screened referrals delivered directly into RADIUS365™, designed to support site-managed outreach and integrate with existing workflows.
Fee-for-service pricing
Budgets go toward optimizing campaign performance. No referral markups. No hidden fees. Driving quality.
Flexible solutions that scale with you
Every service is performed in-house, so we can tailor to each program and implement changes quickly.
Enrolling patients across the globe
Multi-language programs supported across 45+ countries — studies of any size, anywhere in the world.
End-to-end recruitment solutions. All in-house.
Targeted omnichannel media campaigns planned, bought, and managed in-house.
Experienced in-house creative talent producing effective, affordable study branding and content.
Patient and physician materials tailored to each country and language.
Study websites, logic-based prescreening, and real-time referral tracking via RADIUS365™.
The operational backbone that keeps global programs moving forward.
Every referral, visible the moment it happens.
TPRA’s custom-built platform for seamless referral delivery, tracking, and management — integrating with existing workflows, including CTMS.
Per-site enrollment
Real-time, site-level views of referrals, randomizations, and enrollment against target.
Channel attribution
See which channels — Meta, TikTok, streaming, search — drive the most qualified referrals.
Pre-screener analytics
Track questionnaire completion and response rates, question by question.
SMS engagement
Two-way texting and follow-up automation that schedules visits and reduces site staff fatigue.
Bring your study out of the dark.
From a single Site’s recruiting effort to a multi-Site, multi-country, multi-language program — let’s talk about what your study needs.