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St Louis, MO Paid Clinical Trials
A listing of 18 clinical trials in St Louis, MO actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
1 - 12 of 18
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Clinical Trial Phase
There are currently 18 clinical trials in St Louis, Missouri looking for participants to engage in research studies. Trials are conducted at various facilities, including For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician., Washington University School of Medicine, Washington University and Siteman Cancer Center at Barnes-Jewish Hospital. Whether you're a healthy volunteer looking to participate in paid medical research or seeking trials related to a specific condition, the city provides a diverse range of opportunities near you.
Featured Therapy
Unique Treatment for High Blood Pressure
Worried about high blood pressure? Think beyond typical high blood pressure treatments.
People who may be candidates for this procedure:
• Are at least 18 years old
• Have been unable to manage their high blood pressure with medications or lifestyle changes alone¹
Learn about a safe and effective procedure that may help reduce high blood pressure. See if you qualify today.
¹ Kandzari DE, et al. J Am Coll Cardiol. Nov 7, 2023;82(19):1809-1823.
People who may be candidates for this procedure:
• Are at least 18 years old
• Have been unable to manage their high blood pressure with medications or lifestyle changes alone¹
Learn about a safe and effective procedure that may help reduce high blood pressure. See if you qualify today.
¹ Kandzari DE, et al. J Am Coll Cardiol. Nov 7, 2023;82(19):1809-1823.
Conditions:
High Blood Pressure
High Blood Pressure (& [Essential Hypertension])
High Blood Pressure (Hypertension).
Hypertension
Essential Hypertension
Featured Offer
Join Thousands Waiting for Retatrutide
Retatrutide could change the weight loss landscape. Unlike semaglutide or tirzepatide, it activates three hormone receptors simultaneously — and early data shows it:
✅ Outpaced existing GLP-1 medications for weight loss in clinical trials
✅ Improved blood sugar, blood pressure, and cholesterol beyond weight loss alone
✅ Delivered results with a simple once-weekly injection
✅ Now in Phase 3 trials with FDA submission expected in the next 1–2 years
Join the waiting list. One email when it launches — that's it.
✅ Outpaced existing GLP-1 medications for weight loss in clinical trials
✅ Improved blood sugar, blood pressure, and cholesterol beyond weight loss alone
✅ Delivered results with a simple once-weekly injection
✅ Now in Phase 3 trials with FDA submission expected in the next 1–2 years
Join the waiting list. One email when it launches — that's it.
Conditions:
Weight Loss
Featured Offer
Discover Affordable Semaglutide Providers
We Checked the Checkout Page on Every Semaglutide Provider. Here's What We Found.
There's a big difference between the price on a landing page and what you actually pay. We went all the way through checkout so you know exactly what to expect.
📋 5 providers ranked by true monthly cost
💵 Options starting as low as $149/month
🏥 Only licensed providers using FDA-registered pharmacies
⭐ Real Trustpilot scores included — including the ones with mixed reviews
🔒 Includes cancellation policy warnings so you don't get stuck
There's a big difference between the price on a landing page and what you actually pay. We went all the way through checkout so you know exactly what to expect.
📋 5 providers ranked by true monthly cost
💵 Options starting as low as $149/month
🏥 Only licensed providers using FDA-registered pharmacies
⭐ Real Trustpilot scores included — including the ones with mixed reviews
🔒 Includes cancellation policy warnings so you don't get stuck
Conditions:
Weight Loss
Morbid Obesity
Featured Trial
Healthy Participants Needed (Colonoscopy + Cancer Screening)
Recruiting
Earn $325 - $475 in electronic payment card compensation for your time and effort by participating in a clinical study to develop a blood test that may one day help screen for colon cancer. Take a quick quiz to see if you qualify.
Conditions:
Healthy
Healthy Volunteers
Healthy Subjects
Healthy Volunteer
Healthy Participants
Featured Trial
Paid Clinical Studies Nationwide
Recruiting
Nationwide clinical trials offered in your area. Some trials offering up to several thousand dollars in compensation for participation.
Conditions:
Healthy
Healthy Volunteer Study
Featured Trial
Discover Clinical Trials In Your Area (Compensation Provided)
Recruiting
Clinical trials in your area are actively enrolling — and they compensate you for your time. Finding the right one has never been easier.
- Matched to trials in your zip code
- Compensation for time & travel
- Free or low-cost treatments available
- No experience or medical background needed
- Takes just 30 seconds to see if you qualify
- Matched to trials in your zip code
- Compensation for time & travel
- Free or low-cost treatments available
- No experience or medical background needed
- Takes just 30 seconds to see if you qualify
Conditions:
Healthy
Healthy Volunteers
Pharmacokinetics, Pharmacodynamics, Safety and Tolerability of a New Maintenance Dosing Regimen of Ofatumumab
Recruiting
This study will evaluate the pharmacokinetics, pharmacodynamics, safety and tolerability of a new dosage of ofatumumab compared to the approved dosage of ofatumumab followed by extended treatment in participants with relapsing multiple sclerosis.
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
08/14/2025
Locations: WA Uni School Of Med, St Louis, Missouri
Conditions: Relapsing Multiple Sclerosis (RMS)
Study to Evaluate Safety, Tolerability and Efficacy of Inclisiran in Children With Homozygous Familial Hypercholesterolemia
Recruiting
This is a pivotal phase III study designed to evaluate safety, tolerability, and efficacy of inclisiran in children (aged 2 to \<12 years) with homozygous familial hypercholesterolemia (HoFH) and elevated low density lipoprotein cholesterol (LDLC).
Gender:
ALL
Ages:
Between 2 years and 11 years
Trial Updated:
08/08/2025
Locations: Washington Univ School Of Medicine, St Louis, Missouri
Conditions: Familial Hypercholesterolemia - Homozygous
A Study to Evaluate the Safety and Efficacy of CT1812 in Early Alzheimer's Disease
Recruiting
This is a multicenter randomized, double-blind, placebo-controlled Phase 2 study designed to evaluate the efficacy, safety, and tolerability of two doses of CT1812 compared to placebo in participants diagnosed with early Alzheimer's disease.
Gender:
ALL
Ages:
Between 50 years and 85 years
Trial Updated:
07/31/2025
Locations: Washington University School of Medicine, St Louis, Missouri
Conditions: Early Alzheimer's Disease
A Phase 3B Study to Evaluate Bone Mineral Density With Long-Term Use of Relugolix Combination Tablet in Women With Uterine Fibroids or Endometriosis
Recruiting
The purpose of this clinical trial to characterize changes in bone mineral density during continuous treatment with relugolix combination tablet for up to 48 months (4 years) and 1 year of post-treatment follow-up in premenopausal women with heavy menstrual bleeding associated with uterine leiomyomas (fibroids) or with moderate-to-severe pain associated with endometriosis.
Gender:
FEMALE
Ages:
Between 18 years and 50 years
Trial Updated:
07/31/2025
Locations: St Louis, St Louis, Missouri
Conditions: Uterine Fibroids, Endometriosis
Stereotactic Adaptive Radiation Therapy of Borderline Resectable Pancreatic Cancer an Individualized Approach
Recruiting
This trial is a single-arm, prospective, multi-center clinical trial designed to demonstrate that stereotactic adaptive radiotherapy using an ablatively dosed (50Gy,5fx) for treatment of borderline-resectable, locally-advanced , or medically inoperable pancreatic adenocarcinoma will translate into a decreased toxicity. The study will evaluate GI toxicity, overall survival, local control, quality of life, and workflow metrics.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: Washington University, St. Louis, St Louis, Missouri
Conditions: Pancreatic Cancer
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Bowel
Recruiting
To determine the safety and efficacy of GIE Medical's ProTractX3™ TTS DCB for the treatment of recurrent benign bowel strictures.
Gender:
ALL
Ages:
22 years and above
Trial Updated:
06/19/2025
Locations: Washington University, St Louis, Missouri
Conditions: Bowel; Stricture
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Esophagus
Recruiting
To evaluate the safety and efficacy of the ProTractX3™ DCB for the treatment of benign esophageal strictures.
Gender:
ALL
Ages:
22 years and above
Trial Updated:
06/19/2025
Locations: Washington University, St Louis, Missouri
Conditions: Esophageal Stricture
Comparing the Effectiveness of Matched Related Donor Hematopoietic Stem Cell Transplantation to Disease Modifying Therapy in Pediatric Patients With Sickle Cell Disease
Recruiting
The WeDecide study is a large observational study comparing the long-term effects of matched related donor hematopoietic stem cell transplantation (MRD HCT) and non-transplant disease-modifying therapies (NT-DMT) for pediatric patients with sickle cell disease (SCD). The study aims to assess health-related quality of life (HRQoL), cognitive function, risks, and benefits of both treatments, including survival rates, chronic complications, and organ damage prevention. With 160 children in the MRD... Read More
Gender:
ALL
Ages:
Between 3 years and 20 years
Trial Updated:
06/17/2025
Locations: Wahington Univ in St Louis (NT-DMT), St Louis, Missouri
Conditions: Sickle Cell Disease (SCD)
Post Approval Study - Evaluate the Long-Term Safety and Effectiveness of the WEB Device
Recruiting
A prospective, multicenter, single arm, interventional study. The target patient population for this study are adult subjects with WNBAs of the anterior and posterior intracranial circulation. The primary effectiveness outcome of the study is adequate intracranial aneurysm occlusion on the 1 year angiogram as adjudicated by a core laboratory.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/13/2025
Locations: The Washington University, St Louis, Missouri
Conditions: Wide Neck Bifurcation Intracranial Aneurysms
STAND - Study of the AGN1 LOEP SV Kit Compared to PMMA in Patients With Vertebral Compression Fractures
Recruiting
This is a multicenter, single-blinded, randomized controlled clinical trial evaluating the safety and efficacy of the AGN1 LOEP SV Kit for the treatment of painful vertebral compression fragility fractures (VCFs). The objective of this study is to demonstrate non-inferiority of the AGN1 LOEP SV Kit for the treatment of VCFs to standard of care vertebroplasty treatment using bipedicular injection of PMMA bone cement.
Gender:
ALL
Ages:
50 years and above
Trial Updated:
05/27/2025
Locations: Washington University St. Louis, St Louis, Missouri
Conditions: Vertebral Compression Fracture, Compression Fracture, Vertebral Compression
A Prospective Database of Infants With Cholestasis
Recruiting
Biliary atresia, idiopathic neonatal hepatitis, and specific genetic cholestatic conditions are the most common causes of jaundice and hyperbilirubinemia that continue beyond the newborn period. The long term goal of the Childhood Liver Disease Research Network (ChiLDReN) is to establish a database of clinical information and plasma, serum, and tissue samples from cholestatic children to facilitate research and to perform clinical, epidemiological and therapeutic trials in these important pediat... Read More
Gender:
ALL
Ages:
6 months and below
Trial Updated:
05/19/2025
Locations: Washington University School of Medicine, St Louis, Missouri
Conditions: Biliary Atresia, Neonatal Cholestasis
Biliary Atresia Study in Infants and Children
Recruiting
Little is known about the factors that cause biliary atresia nor the factors that influence disease progression. The purpose of this study is to collect the pertinent clinical information, genetic material and body fluid samples to enable investigators to address the following aims: To identify the gene or genes implicated in the etiology of BA; To identify polymorphisms that may be important in disease progression such as HLA polymorphisms; To characterize the natural history of the older, non-... Read More
Gender:
ALL
Ages:
Between 6 months and 20 years
Trial Updated:
05/19/2025
Locations: Washington University School of Medicine, St Louis, Missouri
Conditions: Biliary Atresia
1 - 12 of 18