Therapeutic areas

150 indications. Every kind of patient.

Over two decades of recruiting for healthy, disease-specific, rare, and hard-to-reach indications — patients of all ages and backgrounds, in multiple languages and countries.

41,000+Patients enrolled across our five core therapeutic areas

3,200+Programs supported in those areas since 1999

Core expertise

Where our experience runs deepest.

Tailored, full-service solutions deployed to engage, screen, and enroll the right patients faster — backed by decades of performance data in each area.

Psychiatry

14,000+Patients enrolled

1,000+Programs supported since 1999

80+Trials completed in the last five years

14Countries supported

Indications

DepressionAnxietyADHDBipolarPTSDSchizophreniaSubstance use disorderTourette’s syndromePediatric

Neurology

7,000+Patients enrolled

550+Programs supported since 1999

60+Trials completed in the last five years

16+Countries supported

Indications

Alzheimer’s diseaseDementiaParkinson’s diseaseMultiple sclerosisEpilepsyMigraine / headacheNarcolepsyFibromyalgiaPost-herpetic neuralgiaAutismPediatric

More therapeutic areas

And across every other area.

Don’t see your indication? Our approach adapts to any population — ask us.

Analgesia / Anti-inflammatory Auto-Immune Hematology Covid Dental / Oral Health Devices Endocrinology / Metabolism Gastroenterology Healthy Volunteers Hepatology Infectious Disease Musculoskeletal / Bones & Joints Nephrology Nutrition / Weight Loss Oncology Ophthalmology Orthopedics Otolaryngology Pain Management Podiatry Rare Disease Renal Respiratory / Pulmonary Rheumatology Urology Vaccines Women’s Health

Patient populations

Built for diverse and hard-to-reach populations.

How we reach them →

Racially & ethnically diverse Infants & children Adolescents & teens Adults Elderly Healthy volunteers Rare & hard-to-reach

Tell us about your indication.

Contact TPRA™ Explore solutions