Data sourced from ClinicalTrials.gov (NIH registry) Updated weekly IRB-supervised studies only
Home/DC/Washington
Updated September 2026 from ClinicalTrials.gov

Paid Clinical Trials in Washington, DC

Studies commonly pay $75 to $4,500 per completed study

2,369 clinical trials are currently recruiting participants within 30 miles of Washington. Listings below come straight from the official NIH registry, alongside the area's top-rated research centers with real Google reviews.

2,369studies recruiting
9+research centers nearby
4condition categories
Live from the NIH registry

Studies recruiting near Washington right now

Top 25 of 2,369 recruiting studies, sorted by proximity — each links to its official registry page

Collection and Distribution of Blood Components From Healthy Donors for In Vitro Research Use

Blood Donors, Research Subjects N/A Observational 5,000 participants sought
National Institutes of Health Clinical Center — Bethesda, Maryland (6.9 mi) · Sponsor: National Institutes of Health Clinical Center (CC)
See eligibility & contact on ClinicalTrials.gov (NCT00001846)

Observational Study of Cardiac Arrhythmias During Treatment With BTK Inhibitors or Venetoclax

Chronic Lymphocytic Leukemia (CLL), Waldenstr(SqrRoot)(Delta)m s Macroglobulinemia N/A Observational 135 participants sought
National Institutes of Health Clinical Center — Bethesda, Maryland (6.9 mi) · Sponsor: National Heart, Lung, and Blood Institute (NHLBI)
See eligibility & contact on ClinicalTrials.gov (NCT05724121)

A Study Testing the Combination of Dasatinib or Imatinib to Chemotherapy Treatment With Blinatumomab for Children, Adolescents, and Young Adults With Philadelphia Chromosome Positive (Ph+) or ABL-Class Philadelphia Chromosome-Like (Ph-Like) B-cell Acute Lymphoblastic Leukemia (B-ALL)

B Acute Lymphoblastic Leukemia Phase 2 Interventional 222 participants sought
MedStar Georgetown University Hospital — Washington D.C., District of Columbia (1.3 mi) · Sponsor: National Cancer Institute (NCI)
See eligibility & contact on ClinicalTrials.gov (NCT06124157)

Study to Assess the Impact of the Urine Test Cxbladder Triage Plus on the Number of Cystoscopies Performed on Patients With Invisible Blood in Their Urine.

Hematuria - Cause Not Known N/A Interventional 1,000 participants sought
Chesapeake Urology Research Associates — Hanover, Maryland (25.3 mi) · Sponsor: Pacific Edge Limited
See eligibility & contact on ClinicalTrials.gov (NCT06394869)

Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections

Gonorrhea, Chlamydia Phase 4 Interventional 760 participants sought
Children's National Medical Center — Washington D.C., District of Columbia (1.3 mi) · Sponsor: Westat
See eligibility & contact on ClinicalTrials.gov (NCT06738407)

A Study of DR-0202 in Patients With Locally Advanced or Metastatic, Relapsed or Refractory Carcinomas

Triple Negative Breast Cancer, HER2-negative Breast Cancer Phase 1 Interventional 96 participants sought
Dren Investigational Site — Fairfax, Virginia (16.1 mi) · Sponsor: Dren Bio
See eligibility & contact on ClinicalTrials.gov (NCT06999187)

A Study to Evaluate the Safety and Efficacy of Oral Nizubaglustat (AZ-3102) in Late-infantile and Juvenile Forms of Niemann-Pick Type C Disease, GM1 Gangliosidosis or GM2 Gangliosidosis

Niemann-Pick Type C Disease, GM1 Gangliosidosis Phase 3 Interventional 147 participants sought
Lysosomal Rare Disorders Research and Treatment Center — Fairfax, Virginia (16.1 mi) · Sponsor: Azafaros B.V.
See eligibility & contact on ClinicalTrials.gov (NCT07054515)

Phase 1a/b Study of ZL-6201 Safety, PK, and Preliminary Efficacy in Sarcoma and Selected Tumors

Solid Tumors, Sarcomas Phase 1 Interventional 180 participants sought
Zai Lab Site 02006 — Fairfax, Virginia (16.1 mi) · Sponsor: Zai Lab (Shanghai) Co., Ltd.
See eligibility & contact on ClinicalTrials.gov (NCT07374848)

A Study in People With Diabetic Macular Edema to Test How Well Different Doses of BI 3812465 Are Tolerated

Diabetic Macular Edema Phase 1, Phase 2 Interventional 49 participants sought
Emerson Clinical Research Institute — Falls Church, Virginia (8.5 mi) · Sponsor: Boehringer Ingelheim
See eligibility & contact on ClinicalTrials.gov (NCT07553429)

Tissue Collection for Studies of Lymph Cancer

Hodgkin Disease, Lymphoma, Non-Hodgkin N/A Observational 1,295 participants sought
National Institutes of Health Clinical Center — Bethesda, Maryland (6.9 mi) · Sponsor: National Cancer Institute (NCI)
See eligibility & contact on ClinicalTrials.gov (NCT01676805)

Recruitment and Characterization of Healthy Research Volunteers for NIMH Intramural Studies

Healthy Volunteer N/A Observational 2,000 participants sought
National Institutes of Health Clinical Center — Bethesda, Maryland (6.9 mi) · Sponsor: National Institute of Mental Health (NIMH)
See eligibility & contact on ClinicalTrials.gov (NCT03304665)

Mechanism of Action Underlying Ketamine's Antidepressant Effects: The AMPA Throughput Theory in Patients With Treatment-Resistant Major Depression

Depression, Major Depressive Disorder Phase 1 Interventional 70 participants sought
National Institutes of Health Clinical Center — Bethesda, Maryland (6.9 mi) · Sponsor: National Institute of Mental Health (NIMH)
See eligibility & contact on ClinicalTrials.gov (NCT03973268)

PEP-CMV Vaccine Targeting CMV Antigen to Treat Newly Diagnosed Pediatric HGG and DIPG and Recurrent Medulloblastoma

High Grade Glioma, Diffuse Intrinsic Pontine Glioma Phase 2 Interventional 120 participants sought
Children's National Medical Center — Washington D.C., District of Columbia (1.3 mi) · Sponsor: Nationwide Children's Hospital
See eligibility & contact on ClinicalTrials.gov (NCT05096481)

CBT-I vs. MBTI for Traumatic Brain Injury (TBI)-Related Insomnia and Post-Traumatic Stress Symptoms

Traumatic Brain Injury, Insomnia N/A Interventional 360 participants sought
Walter Reed National Medical Military Center — Bethesda, Maryland (6.9 mi) · Sponsor: Johns Hopkins University
See eligibility & contact on ClinicalTrials.gov (NCT05663034)

Study of RMC-9805 in Participants With KRAS G12D-Mutant Solid Tumors

Non-small Cell Lung Cancer (NSCLC), Colorectal Cancer (CRC) Phase 1 Interventional 604 participants sought
NEXT Oncology Virginia — Fairfax, Virginia (16.1 mi) · Sponsor: Revolution Medicines, Inc.
See eligibility & contact on ClinicalTrials.gov (NCT06040541)

Connect to Baby: A Pilot Study of a Parenting and Coparenting Program

Parenting N/A Interventional 200 participants sought
Child Development and Social Policy Lab — Washington D.C., District of Columbia (1.3 mi) · Sponsor: Georgetown University
See eligibility & contact on ClinicalTrials.gov (NCT06179576)

A Study to Investigate the Safety and Efficacy of KQB365 as Monotherapy and in Combination in Participants With Advanced Solid Malignancies

KRAS G12C Mutation, KRAS G12S Mutation Phase 1 Interventional 140 participants sought
NEXT Virginia, LLC — Fairfax, Virginia (16.1 mi) · Sponsor: Kumquat Biosciences Inc.
See eligibility & contact on ClinicalTrials.gov (NCT06720987)

A Clinical Study of Zilovertamab Vedotin (MK-2140) Plus Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Polatuzumab Vedotin Plus R-CHP in People With Diffuse Large B-cell Lymphoma (DLBCL) (MK-2140-011/waveLINE-011)

Lymphoma, Large B-Cell, Diffuse Phase 2 Interventional 594 participants sought
Georgetown University Medical Center ( Site 0117) — Washington D.C., District of Columbia (1.3 mi) · Sponsor: Merck Sharp & Dohme LLC
See eligibility & contact on ClinicalTrials.gov (NCT06890884)

Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

PIK3CA Mutation, HER2- Negative Breast Cancer Phase 3 Interventional 540 participants sought
Georgetown University Medical Center — Washington D.C., District of Columbia (1.3 mi) · Sponsor: Relay Therapeutics, Inc.
See eligibility & contact on ClinicalTrials.gov (NCT06982521)

Telehealth for Sleep Apnea: Effectiveness, Implementation, and Cost in the Military Health System

Obstructive Sleep Apnea (OSA) N/A Interventional 160 participants sought
Uniformed Services University — Bethesda, Maryland (6.9 mi) · Sponsor: Uniformed Services University of the Health Sciences
See eligibility & contact on ClinicalTrials.gov (NCT07121452)

Blood Sampling for Research Related to Sickle Cell Disease

Sickle Cell Trait, Sickle Cell Disease N/A Observational 250 participants sought
National Institutes of Health Clinical Center — Bethesda, Maryland (6.9 mi) · Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
See eligibility & contact on ClinicalTrials.gov (NCT00542230)

The Purpose of This Research Study is to See if Combining Gemcitabine, Cisplatin and Durvalumab Chemotherapy Treatments With a Direct Tumor Therapy Yittrium-90 (Y-90) Will Work Better Together to Shrink Tumors and Control Cancer

Intrahepatic Cholangiocarcinoma Phase 2 Interventional 16 participants sought
Keary Janet — Fairfax, Virginia (16.1 mi) · Sponsor: Inova Health Care Services
See eligibility & contact on ClinicalTrials.gov (NCT05422690)

A Repository to Study Host-Microbiome Interactions in Health and Disease

Healthy Controls, Pregnancy N/A Observational 600 participants sought
National Institutes of Health Clinical Center — Bethesda, Maryland (6.9 mi) · Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)
See eligibility & contact on ClinicalTrials.gov (NCT05656378)
Actively enrolling

Studies you may be able to join near Washington

These studies are recruiting through partner research networks. We may be paid a referral fee if you complete their screening form — this never changes what you pay (nothing) or the compensation the study offers you.

See which clinical studies you may qualify for

A partner research network matches volunteers with studies that are currently enrolling in the United States. You answer a few screening questions about your health and where you live; if a study looks like a fit, its team contacts you to confirm eligibility.

Screening is free and takes a few minutes. Eligibility and any compensation are confirmed by the study team, not by this site.

Check your eligibility
Google-rated

Top-rated research centers in Washington

Dedicated clinical research sites near you — with their real Google ratings, reviews and contact details

Emerson Clinical Research Institute

★ 4.7
1718 Connecticut Ave NW, Washington, DC 20009
(202) 239-0777
"10/10 Vengan a Emerson Clinic que Wendy y Eliana son amables y tienen tanta paciencia para atenderlos. La clínica tiene recursos que ayudan y el doct…"
— Luis Mejia, 5★

Clinical Research Forum

2025 M St NW #800, Washington, DC 20036
(202) 367-1176

National Center for Health Research

1001 Connecticut Ave NW #1100, Washington, DC 20036
(202) 223-4000

MedStar Health Research Institute

★ 5.0
100 Irving St NW #5123, Washington, DC 20010
(202) 798-8539
"Excellent and caring nurses and staff!+"
— Afoma O, 5★

Capital Research Center

★ 3.2
1513 16th St NW, Washington, DC 20036
(202) 483-6900

Washington DC Veterans Affairs Medical Center -Institute For Clinical Research

★ 4.3
50 Irving St NW, Washington, DC 20422
(202) 745-8427

NIH Clinical Center

★ 4.6
10 Center Dr, Bethesda, MD 20892
(301) 496-4000
"Fantastic staff. Very professional and welcoming."
— Paul, 5★

Atlas Research LLC

★ 4.2
805 15th St NW Ste 650, Washington, DC 20005
(703) 345-9100
"Standard web site. Loaded fine"
— A Google User, 3★

Velocity Clinical Research

★ 5.0
4910 Massachusetts Ave NW Ste. 315, Washington, DC 20016
(202) 998-3833
"Very great staff and respectful"
— Reginald Simms, 5★

Clinical trials in Washington: what's recruiting

The Washington area currently has 2,369 studies open to new participants, according to the ClinicalTrials.gov registry maintained by the U.S. National Institutes of Health. Among the studies closest to Washington, the most active research areas are:

  • Cancer & Oncology12 studies
  • Brain & Mental Health2 studies
  • Diabetes & Metabolism1 studies
  • Liver & Kidney1 studies

Every listing shows the study phase, the recruiting site and its distance from Washington, and links to the official registry page where eligibility criteria and study contacts are published. Compensation is set by each sponsor: industry surveys report typical payments of $75 to $4,500 per completed study, with short observational studies at the low end and multi-visit or overnight Phase 1 studies at the high end.

How to enroll in a paid study in Washington

Start with a study whose condition matches your profile — or a healthy-volunteer study if you have no diagnosis. Contact the research site through the registry page, complete a short phone screen, then attend an in-person screening visit. If you qualify, the study team walks you through the informed consent document, which details every procedure, risk and payment before you commit. You can withdraw at any point, and enrollment is always free.

Washington participants can also register with the dedicated research centers listed above — many maintain volunteer databases and call when a matching study opens — or sign up for our email alert below to hear when a new study starts recruiting within 30 miles of your ZIP code.

Frequently asked questions

How much do paid clinical trials in Washington pay?
Compensation varies by study length, procedures and overnight stays. Industry surveys report typical payments from $75 to $4,500 per completed study, with simple observational studies at the low end and multi-week inpatient Phase 1 studies at the high end. Each listing's study team will confirm the exact amount before you enroll.
Are clinical trials in Washington safe?
Every trial on this page is registered on ClinicalTrials.gov, the official NIH registry, and is overseen by an Institutional Review Board (IRB). Before joining you receive an informed consent document detailing procedures, risks and compensation. Participation is voluntary and you can withdraw at any time.
Is compensation for clinical trials taxable?
In the U.S., clinical trial compensation is generally considered taxable income, and research sites may issue a 1099 form for payments above $600 in a year. Reimbursements for travel or meals are typically treated differently. Consult a tax professional for your situation.
What is the difference between a research center and a hospital study in Washington?
Dedicated research centers (listed on this page with their Google ratings) run studies as their core business — often healthy-volunteer and vaccine studies with structured compensation. Hospital and university studies tend to focus on patients with specific conditions. Both types are registered and IRB-supervised.
How often do new paid studies open in Washington?
Constantly — trials open and close enrollment every week. This page is refreshed weekly from the NIH registry. Join the email alert to be notified when a new study opens within 30 miles of Washington.

Paid clinical trials near Washington

Other metros within reach

Arlington, VA2,337 Alexandria, VA2,298 Baltimore, MD1,651 Frederick, MD256 Fredericksburg, VA36 Hagerstown, MD107 York, PA441 Lancaster, PA420

New paid studies open every week

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