Paid Clinical Trials in Maryland

Maryland has 2,899 paid clinical trials enrolling now across cities including Baltimore, Bethesda and Rockville. Search by condition, age, or phase to find compensated research studies accepting participants near you.

Research sites in Maryland include Johns Hopkins Medicine and NIH Clinical Center, running studies across oncology, cardiology, neurology, and more. Both patients and healthy volunteers may qualify. Most studies offer compensation for time and travel.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: June 19, 2026.

Filter results

Filter results

State

City

Phase

Study type

Intervention

Recruitment status

Condition

Sex

Age

Healthy volunteers only

2,899 clinical trials

↓ Download CSV

Physical and Behavioral Traits of Overweight and Obese Adults

for Obesity

1 location in Bethesda

Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Sex: All·Age: 18 - 100·Accepts healthy volunteers

Code: NCT00428987·Recruiting

Apply to this trial

Collection and Analysis of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers

for Healthy Volunteers

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 8 - 99·Accepts healthy volunteers

Code: NCT00442195·Recruiting

Apply to this trial

Collection of Blood From Patients With Prostate Cancer

for Cancer Of Prostate

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: Male·Age: 18+

Code: NCT00923221·Recruiting

Apply to this trial

Screening Protocol for Genetic Diseases of Lymphocyte Homeostasis and Programmed Cell Death

for Primary Immune Deficiency

2 locations incl. Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 1 Month - 100

Code: NCT00246857·Recruiting

Apply to this trial

Detection and Characterization of Infections and Infection Susceptibility

for Immune Deficiencies

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 1 Month - 100

Code: NCT00404560·Recruiting

Apply to this trial

Development of Magnetic Resonance Imaging Techniques for Studying Mood and Anxiety Disorders

for Mood Disorders

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT00397111·Recruiting

Apply to this trial

MRS Measurement of Glutamate and GABA Metabolism in Brain

for Normal Physiology

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT00109174·Recruiting

Apply to this trial

Evaluation of Biochemical Markers and Clinical Investigation of Niemann-Pick Disease, Type C

for Niemann-Pick Disease, Type C

1 location in Bethesda

Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

Sex: All·Age: 1 Day - 120·Accepts healthy volunteers

Code: NCT00344331·Recruiting

Apply to this trial

Collection of Tissue Samples for Cancer Research

for Neoplasms

16 locations incl. Sacramento

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 2 Months+

Code: NCT00900198·Recruiting

Apply to this trial

Biliary Atresia Study in Infants and Children

for Biliary Atresia

15 locations incl. Los Angeles

Sponsor: Arbor Research Collaborative for Health

Sex: All·Age: 6 Months - 20

Code: NCT00345553·Recruiting

Apply to this trial

Urinary Vitamin C Loss in Diabetic Subjects

for Diabetes

1 location in Bethesda

Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT00071526·Recruiting

Apply to this trial

The Neurodevelopmental and Behavioral Phenotyping Screening Protocol

for Neurologic Disorders

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 6 Weeks+·Accepts healthy volunteers

Code: NCT00271622·Recruiting

Apply to this trial

Natural History Study of Patients With Excess Androgen

for Congenital Adrenal Hyperplasia (CAH)

2 locations incl. Washington D.C.

Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

Sex: All·Age: 1 Day - 99

Code: NCT00250159·Recruiting

Apply to this trial

Evaluation of Cell Changes in Blood and Tissue in Cancers of the Lung, Esophagus and Lung Lining

for Malignant Pleural Mesotheliomas NOS

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 2 - 120

Code: NCT00242723·Recruiting

Apply to this trial

Genetic Determinants of Barrett's Esophagus and Esophageal Adenocarcinoma

for Barrett's Esophagus

10 locations incl. Baltimore

Sponsor: Case Western Reserve University

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT00288119·Recruiting

Apply to this trial

Evaluation of Patients With Immune Function Abnormalities

for Chronic Granulomatous Disease (CGD)

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: All ages·Accepts healthy volunteers

Code: NCT00128973·Recruiting

Apply to this trial

Spinal Cord Injury Registry - North American Clinical Trials Network

for Spinal Cord Injury

13 locations incl. Miami

Sponsor: Robert G. Grossman, MD

Sex: All·Age: 18+

Code: NCT00178724·Recruiting

Apply to this trial

A Longitudinal Study of Familial Hypereosinophilia (FE): Natural History and Markers of Disease Progression

for Eosinophilia

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 1 - 100·Accepts healthy volunteers

Code: NCT00091871·Recruiting

Apply to this trial

Long-term Evaluation and Follow-up Care of Patients Treated With Stem Cell Transplants

for Graft-versus-leukemia

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 7 - 80·Accepts healthy volunteers

Code: NCT00106925·Recruiting

Apply to this trial

Use of Tracking Devices to Locate Abnormalities During Invasive Procedures

for Adenocarcinoma

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 18 - 120

Code: NCT00102544·Enrolling By Invitation

Collection of Data and Samples From Healthy Donors for Use in Translational Research

for Healthy Volunteer

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 18 - 85·Accepts healthy volunteers

Code: NCT00090662·Recruiting

Apply to this trial

Natural History Study of Clinical and Biological Factors Determining Outcomes in Chronic Graft-Versus-Host Disease

for Chronic Graft vs. Host Disease

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 1 - 120

Code: NCT00092235·Recruiting

Apply to this trial

DILIN - Prospective Study

for Liver Diseases

6 locations incl. Los Angeles

Sponsor: Duke University

Sex: All·Age: 2+·Accepts healthy volunteers

Code: NCT00345930·Recruiting

Apply to this trial

Drug-Induced Liver Injury (DILI) Network Retrospective

for Drug Induced Liver Injury

6 locations incl. Los Angeles

Sponsor: Duke University

Sex: All·Age: 2+

Code: NCT00360646·Recruiting

Apply to this trial

Pompe Disease Registry Protocol

for Glycogen Storage Disease Type II

93 locations incl. Birmingham

Sponsor: Genzyme, a Sanofi Company

Sex: All·Age: All ages

Code: NCT00231400·Recruiting

Apply to this trial

Follow-Up Study of Subjects Previously Enrolled in Poxviral Vector Gene Transfer Studies

for Prostate Cancer

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT00451022·Recruiting

Apply to this trial

Collection of Blood and Urine Samples in Patients Receiving Radiation Therapy for Glioblastoma Multiforme

for Glioblastoma Multiforme

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT00083512·Recruiting

Apply to this trial

Data Collection, Clinical Care and Interventions in CCR, NCI

for Neoplasms

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 4 Weeks - 120·Accepts healthy volunteers

Code: NCT00923065·Enrolling By Invitation

Clinical and Laboratory Study of Methylmalonic Acidemia

for Organic Acidemia

3 locations incl. Washington D.C.

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Month - 115·Accepts healthy volunteers

Code: NCT00078078·Recruiting

Apply to this trial

Natural History of Sickle Cell Disease

for Pain Crisis

3 locations incl. Washington D.C.

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 2 - 90

Code: NCT00081523·Recruiting

Apply to this trial

A Prospective Database of Infants With Cholestasis

for Biliary Atresia

15 locations incl. Los Angeles

Sponsor: Arbor Research Collaborative for Health

Sex: All·Age: Up to 6 Months

Code: NCT00061828·Recruiting

Apply to this trial

Genetic Basis of Immunodeficiency

for Severe Combined Immunodeficiency

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 6 Months - 99

Code: NCT00055172·Recruiting

Apply to this trial

Biology Studies of Hematologic Cancers

for Acute Lymphoblastic Leukemia

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 1 - 120

Code: NCT00923442·Enrolling By Invitation

Study of Lung Proteins in Patients With Pneumonia

for Pneumonia

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 3 - 99

Code: NCT00077909·Recruiting

Apply to this trial

Blood Donor CVD 5000

for Risk Reduction

1 location in Baltimore

Sponsor: University of Maryland, Baltimore

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT03971669·Phase 4·Recruiting

Apply to this trial

Imaging Techniques for Identifying Factors of Sudden Cardiac Death Risk

for Sudden Cardiac Death

1 location in Baltimore

Sponsor: Johns Hopkins University

Sex: All·Age: 18+

Code: NCT00181233·Recruiting

Apply to this trial

Left Ventricular Structural Predictors of Sudden Cardiac Death

for Ischemic Cardiomyopathy

2 locations incl. Newark

Sponsor: Johns Hopkins University

Sex: All·Age: 21 - 80

Code: NCT01076660·Recruiting

Apply to this trial

Advanced Functional and Structural MRI Techniques for Neuropharmacological Imaging

for Drug Abuse

1 location in Baltimore

Sponsor: National Institute on Drug Abuse (NIDA)

Sex: All·Age: 18 - 80·Accepts healthy volunteers

Code: NCT01036581·Recruiting

Apply to this trial

Causes and Natural History of Dyslipidemias

for Hypercholesterolemia

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 2 - 100

Code: NCT00353782·Recruiting

Apply to this trial

Collection of Tissue Specimens From Patients With Solid Tumors or Blood Disorders and Their HLA-Compatible Family Members

for Neoplasms

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 2 - 100·Accepts healthy volunteers

Code: NCT00071045·Recruiting

Apply to this trial