The Patient Recruiting Agency™
Patient recruitment should never be a shot in the dark.
Tailored, full-service solutions deployed to engage, screen, and enroll the right patients faster — for Sponsors, CROs, and Sites since 1999.
Patient Recruitment
Digital, TV, streaming, and traditional media — targeted to the markets your sites serve.Explore →
In-house creative and production for study brands people recognize and trust.Explore →
Localized patient and site materials, with the logistics to deliver them.Explore →
Operational support with a single point of accountability.Explore →
Every call and web response tracked and reported in real time.Explore →
150 indications across 30 therapeutic areas
View all therapeutic areas →
Analgesia / Anti-inflammatory
Auto-Immune Hematology
Cardiology / Vascular Diseases
Covid
Dental / Oral Health
Dermatology
Devices
Endocrinology / Metabolism
Gastroenterology
Healthy Volunteers
Hepatology
Immunology / Infectious Disease
Musculoskeletal / Bones & Joints
Nephrology
Neuroscience / Neurology
Nutrition / Weight Loss
Oncology
Ophthalmology
Orthopedics
Otolaryngology
Pain Management
Podiatry
Psychiatric / Psychology
Pulmonary / Respiratory
Rare Disease
Renal
Rheumatology
Urology
Vaccines
Women’s Health
25+Years of experience
40,000+Patients enrolled
150Therapeutic indications
75+Countries supported
About TPRA
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.
Who we help
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.
Trusted by sponsors, CROs, and site networks
The TPRA difference
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.
Solutions
All solutions →
End-to-end recruitment solutions. All in-house.
Global Patient Outreach
Targeted omnichannel media campaigns planned, bought, and managed in-house.
Digital media campaignsLocal television campaignsStreaming media campaignsSearch & social advertising
Creative Services
Experienced in-house creative talent producing effective, affordable study branding and content.
Study namingLogo & identity designContent & copy developmentVideo production (TV & online)
Study Materials
Patient and physician materials tailored to each country and language.
Patient facing materialsSite facing materialsMulti-language & multi-country materials
Technology
Study websites, logic-based prescreening, and real-time referral tracking via RADIUS365™.
Study websites & landing pagesLogic-based prescreening questionnairesReferral tracking & performance analytics
Support Services
The operational backbone that keeps global programs moving forward.
Project managementSite servicesProcurement, distribution & shippingTranslation management
RADIUS365™
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.
1,000+sites use RADIUS365™ globally
HIPAACompliantGDPRCompliant
Referrals by channelLast 90 days · 3,062 referrals
Top: Meta
Meta (FB / IG)
1,28442%
TikTok
73624%
Streaming TV
55218%
Google Search
33711%
Radio
1535%
Pre-screener performanceStudy questionnaire · 2,418 started
68%completion
Q1 · Age & location100%
Q2 · Diagnosis86%
Q3 · Current medications74%
Q4 · Availability68%
Randomized this month
49▲ 17%
New qualified referral1 min ago
Referral #HZN-2201 · Site 014
Source: Meta · Pre-screener passed 4/4
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.
EventOct 16–18, 2026
SCRS 2026 — Booth #717Hilton Signia Hotel · Orlando, FL
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EventNov 1–4, 2026
CNS Summit 2026Encore Boston Harbor · Boston, MA
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WebinarWebinar
Winning Enrollment in a Competitive CNS Trial LandscapeCognitive Research Corporation · TPRA President featured
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WebinarWebinar
The Keys to Successful Recruitment in CNS Clinical TrialsCliniLabs · TPRA President featured
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Contact TPRA™
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.