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District Of Columbia Paid Clinical Trials
A listing of 851 clinical trials in District Of Columbia actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
457 - 468 of 851
District Of Columbia is currently home to 851 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Washington, Washington, D.C., Washington DC and Washington, Dc. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
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 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 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 Therapy
Bladder leaks? This system might be the answer
Struggling with bladder leaks? Get bladder control beyond pills. The InterStimᵀᴹ system is an FDA-approved treatment that may help you regain control.
Take our quick survey to see if this system could work for you.
Risks may include surgical, device, and stimulation-related complications. See important safety info: https://83b.co/tlcbld
Take our quick survey to see if this system could work for you.
Risks may include surgical, device, and stimulation-related complications. See important safety info: https://83b.co/tlcbld
Conditions:
Overactive Bladder
Urinary Incontinence
Idiopathic Overactive Bladder
Incontinence
Healthy
National Collaborative to Improve Care of Children With Complex Congenital Heart Disease
Recruiting
The purpose of this initiative is to improve care and outcomes for infants with HLHS by expanding the NPC-QIC national registry to gather clinical care process, outcome, and developmental data on infants with HLHS between diagnosis and 12 months of age, by improving the use of standards into everyday practice across pediatric cardiology centers, and by engaging parents as partners in the process.
Gender:
ALL
Ages:
15 months and below
Trial Updated:
06/16/2025
Locations: Children's National Medical Center, Washington DC, District of Columbia
Conditions: Hypoplastic Left Heart Syndrome (HLHS)
IMVT-1402 in Adult Participants With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Recruiting
This is a Phase 2b study to evaluate the efficacy and safety of IMVT-1402 in adults with CIDP.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/16/2025
Locations: Site Number - 1630, Washington, District of Columbia
Conditions: Chronic Inflammatory Demyelinating Polyneuropathy
VO and Nivolumab vs Physician's Choice in Advanced Melanoma That Progressed on Anti-PD-1 & Anti-CTLA-4 Drugs (IGNYTE-3)
Recruiting
This is a randomized, controlled, multicenter, open-label Phase 3 clinical study comparing VO in combination with nivolumab versus Physician's Choice treatment for patients with unresectable Stage IIIb-IV cutaneous melanoma whose disease progressed on an anti PD-1 and an anti-CTLA-4 containing regimen (administered either as a combination regimen or in sequence) or who are not candidates for treatment with an anti-CTLA-4 therapy.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/16/2025
Locations: MedStar Washington Hospital Center, Washington, District of Columbia
Conditions: Advanced Melanoma
Does Social Media Impact Adolescent Mental Health?
Recruiting
The mental health of adolescents in the United States has seen a steep decline since 2011, roughly coinciding with the increasing popularity of social media and smartphones. But does social media have a causal impact on the mental health of adolescents or are concerns about the effect of social media on kids a form of public hysteria? In this study, the investigators will conduct the first field experiment in 11-14-year-olds to examine whether, how, and for whom social media harms mental health.
Gender:
ALL
Ages:
Between 10 years and 14 years
Trial Updated:
06/13/2025
Locations: Georgetown University, Washington, District of Columbia
Conditions: Mental Health
KEYMAKER-U01 Umbrella Master Study: Studies of Investigational Agents With Either Pembrolizumab (MK-3475) Alone or With Pembrolizumab PLUS Chemotherapy in Participants With Non-small Cell Lung Cancer (NSCLC) (MK-3475-U01/KEYMAKER-U01)
Recruiting
This study is referred to as the "umbrella master protocol" for pembrolizumab (MK-3475) in the treatment of non-small cell lung cancer (NSCLC). This pembrolizumab NSCLC umbrella master protocol uses a platform design and consists of this master screening study and seven substudies. Each substudy will enroll a different population of NSCLC participants.
The goal of this umbrella master protocol is to screen potential participants with NSCLC for enrollment into 1 of 7 substudies. Participants mus... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: Georgetown University ( Site 0036), Washington, District of Columbia
Conditions: Carcinoma, Non-Small-Cell Lung
Efficacy, Safety, and Pharmacokinetics of Vericiguat in Pediatric Participants With Heart Failure Due to Left Ventricular Systolic Dysfunction (MK-1242-036)
Recruiting
This study aims to compare the efficacy of vericiguat versus placebo on change in n-terminal pro-brain natriuretic peptide (NTproBNP) from baseline to Week 16 of the Base Period. The primary hypothesis is that vericiguat is superior to placebo in reducing NT-proBNP at Week 16 of the Base Period.
Gender:
ALL
Ages:
Between 29 days and 17 years
Trial Updated:
06/11/2025
Locations: Children's National Medical Center ( Site 0020), Washington, District of Columbia
Conditions: Heart Failure, Left Ventricular Systolic Dysfunction
Mindful Self-compassion for Anxiety and Depression: Impact of Delivery Method
Recruiting
The study will compare the delivery of an 8-week Mindful Self-Compassion training, in-person against video-conference, on anxiety and depression symptom severity in patients with diagnosed anxiety disorders (generalized anxiety disorder, social anxiety disorder, and panic disorder) or major depressive disorder or dysthymia.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
06/11/2025
Locations: Georgetown University Medical Center, Washington, District of Columbia
Conditions: Anxiety Disorders, Generalized Anxiety Disorder, Social Anxiety Disorder, Panic Disorder, Agoraphobia, Major Depressive Disorder, Persistent Depressive Disorder (Dysthymia)
Study to Evaluate Sotatercept (MK-7962) in Children With Pulmonary Arterial Hypertension (PAH) (MK-7962-008)
Recruiting
The primary objectives of the study are to evaluate the safety and tolerability, and pharmacokinetics (PK) of sotatercept over 24 weeks of treatment in children ≥1 to \<18 years of age with PAH World Health Organization (WHO) Group 1 on standard of care (SoC). There is no formal hypothesis.
Gender:
ALL
Ages:
Between 1 year and 17 years
Trial Updated:
06/11/2025
Locations: Children's National Medical Center ( Site 1600), Washington, District of Columbia
Conditions: Pulmonary Arterial Hypertension
ARPKD Database Study
Recruiting
Hepato-renal fibrocystic diseases (HRFD) is a term developed that encompasses rare diseases such as Autosomal Recessive Polycystic Kidney Disease (ARPKD), and other diseases with common features (Joubert syndrome, Bardet Biedl syndrome, Meckel-Gruber syndrome, congenital hepatic fibrosis (CHF), Caroli syndrome (CS), polycystic liver disease, oro-facial-digital syndrome, nephronophithisis (NPHP), and glomerulocystic Kidney Disease).
The lack of enough routinely available resources for these dise... Read More
Gender:
ALL
Ages:
18 years and below
Trial Updated:
06/10/2025
Locations: Children's National Hospital, Washington, District of Columbia
Conditions: Hepato/Renal Fibrocystic Disease, Autosomal Recessive Polycystic Kidney Disease, Joubert Syndrome, Bardet Biedl Syndrome, Meckel-Gruber Syndrome, Congenital Hepatic Fibrosis, Caroli Syndrome, Oro-Facial-Digital Syndrome Type I, Nephronophthisis, Glomerulocystic Kidney Disease
Paraffin Wax and Exercise Prospective
Recruiting
This study is being done to test if paraffin wax can be used to improve the range of motion and function for scars across joints when used in combination with scar rehabilitation therapy sessions. For those randomized to receive it, the paraffin wax will be used alongside the participants' exercise therapy treatments. Currently, treatments that are used in addition to rehabilitation therapy for increasing range of motion across joints in the burn population are limited. By getting more informati... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/10/2025
Locations: MedStar Washington Hosptial Center, Washington, District of Columbia
Conditions: Burn, Scar, Exercise Therapy
Colonoscopy vs Stool Testing for Older Adults With Colon Polyps
Recruiting
This is a multi-site comparative effectiveness randomized controlled trial (RCT) comparing annual fecal immunochemical testing (FIT) and colonoscopy for post-polypectomy surveillance among adults aged 65-82 with a history of colorectal polyps who are due for surveillance colonoscopy.
Gender:
ALL
Ages:
Between 65 years and 82 years
Trial Updated:
06/10/2025
Locations: MedStar Health, Washington DC, District of Columbia
Conditions: Colorectal Polyp, Colorectal Neoplasms, Colorectal Adenoma, Colorectal Cancer, Digestive System Disease
Thoraflex Hybrid and Relay Extension Post-Approval Study
Recruiting
The goal of this observational study is to evaluate the Thoraflex Hybrid device alone and in combination with the RelayPro NBS stent-graft in the treatment of aortic disease affecting the aortic arch and descending aorta with or without involvement of the ascending aorta.
Patients who undergo treatment with the Thoraflex Hybrid device with or without extension with a RelayPro NBS stent-graft will be eligible for enrolment and study activities and follow-up regime will follow standard care at ea... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/10/2025
Locations: Medstar Washington Hospital Centre, Washington, District of Columbia
Conditions: Thoracic Diseases, Aortic Aneurysm, Aortic Dissection, Thoracic Aortic Aneurysm, Thoracic Aortic Dissection
