There are currently 813 clinical trials in Washington, District Of Columbia looking for participants to engage in research studies. Trials are conducted at various facilities, including Children's National Medical Center, Medstar Georgetown University Hospital, MedStar Washington Hospital Center and Walter Reed Army Medical Center. 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.
Long-term Safety and Efficacy Extension Study for Participants With Advanced Tumors Who Are Currently on Treatment or in Follow-up in a Pembrolizumab (MK-3475) Study (MK-3475-587/KEYNOTE-587)
Recruiting
The purpose of this study is to evaluate the long-term safety and efficacy of pembrolizumab (MK-3475) in participants from previous Merck pembrolizumab-based parent studies who transition into this extension study. This study will consist of three phases: 1) First Course Phase, 2) Survival Follow-up Phase or 3) Second Course Phase. Each participant will transition to this extension study in one of the following three phases, depending on the study phase they were in at the completion of the par... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Georgetown University Medical Center ( Site 0023), Washington, District of Columbia
Conditions: Solid Tumors, Hematologic Malignancies
A Study to Determine if BHV-7000 is Effective and Safe in Adults With Idiopathic Generalized Epilepsy With Generalized Tonic-clonic Seizures
Recruiting
The purpose of this study is to determine whether BHV-7000 is effective in the treatment of idiopathic generalized epilepsy with generalized tonic-clonic seizures and includes an additional open-label extension (OLE) phase.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/31/2025
Locations: Medstar Health Research Institute, Washington, District of Columbia
Conditions: Generalized Epilepsy
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: Washington, Washington, District of Columbia
Conditions: Uterine Fibroids, Endometriosis
A Study to Test the Efficacy and Safety of Staccato Alprazolam in Study Participants 12 Years of Age and Older With Stereotypical Prolonged Seizures
Recruiting
The purpose of the study is to assess the success of a single administration of Staccato alprazolam compared with placebo both in rapidly terminating a seizure episode within 90 seconds and with no recurrence of seizure(s) up to 2 hours after investigational medicinal product (IMP) administration.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
07/31/2025
Locations: Ep0162 50088, Washington, District of Columbia
Conditions: Stereotypical Prolonged Seizures
Pan Tumor Rollover Study
Recruiting
Main Objective of this study is to examine long-term safety of nivolumab monotherapy including combinations and other cancer therapies in various tumor types.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Local Institution - 0088, Washington, District of Columbia
Conditions: Cancer
A Phase 1/2 Study of BHV-1510 (Previously PBI-410) in Advanced Solid Tumors
Recruiting
This is a Phase 1/2, first in human (FIH), open-label, multicenter study of BHV-1510 monotherapy and in Combination with Cemiplimab in participants with previously treated, advanced solid tumors.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Site-114, Washington, District of Columbia
Conditions: Solid Tumor
A Study to Evaluate the Efficacy and Safety of KarXT + KarX-EC for Cognitive Impairment in Alzheimer's Disease
Recruiting
The purpose of this study is to evaluate the efficacy and safety of KarXT + KarX-EC for cognitive impairment in Alzheimer's Disease
Gender:
ALL
Ages:
Between 60 years and 85 years
Trial Updated:
07/31/2025
Locations: Local Institution - 0024, Washington, District of Columbia
Conditions: Alzheimer's Disease
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
Recruiting
The primary purpose of this phase 3b study is to assess the efficacy of a modified regimen of ublituximab as measured by T1 Gadolinium (Gd)-enhancing lesions and pharmacokinetics in participants with Relapsing Multiple Sclerosis (RMS). The study consists of 2 parts: Part A is single-armed and open-label and Part B is randomized, double-blind, placebo-controlled.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
07/31/2025
Locations: TG Therapeutics Investigational Trial Site, Washington, District of Columbia
Conditions: Relapsing Multiple Sclerosis
Evaluating the Genetics and Immunology of Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis (PFAPA) Syndrome and Other Tonsil Disorders
Recruiting
Background: Periodic fever, aphthous stomatitis, pharyngitis, and cervical adenitis (PFAPA) is the most common periodic fever syndrome of childhood. Symptoms can include swelling of the glands in the throat, mouth ulcers, and tonsillitis. Removal of the tonsils can stop the periodic flareups. But researchers do not know how PFAPA develops. In this natural history study, researchers will collect specimens and data from people with PFAPA to see what they might have in common. Objective: To coll... Read More
Gender:
ALL
Ages:
Between 1 month and 99 years
Trial Updated:
07/31/2025
Locations: Children's National Medical Center, Washington, District of Columbia
Conditions: Periodic Fever, Aphthous Stomatitis, Pharyngitis, And Cervical Adenitis (Pfapa), Obstructive Sleep Apnea, Tonsillitis, Tonsil Disorder, Sleep Disordered Breathing
Study of ORIC-114 in Patients With Advanced Solid Tumors Harboring an EGFR or HER2 Alteration
Recruiting
The purpose of this study is to establish the recommended Phase 2 dose (RP2D) and/or maximum tolerated dose (MTD), safety, pharmacokinetics (PK), pharmacodynamics (PD), and antitumor activity of ORIC-114 as a Single Agent or in Combination with Chemotherapy when administered to patients with advanced solid tumors harboring an EGFR or HER2 alteration.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Georgetown University, Washington, District of Columbia
Conditions: Solid Tumors
Phase III, Open-label Study of First-line Osimertinib With or Without Datopotamab Deruxtecan for EGFRm Locally Advanced or Metastatic Non-small Cell Lung Cancer
Recruiting
The purpose of this study is to evaluate efficacy and safety of osimertinib (tablet) in combination with Dato-DXd (i.v. infusion) compared with osimertinib (tablet) monotherapyas a first-line therapy in participants with locally advanced or metastatic EGFRm (Ex19del and/or L858R) NSCLC. Study details include: 1. The study duration will be event-driven, with an estimated duration of approximately 9 years. 2. Participants may receive study treatment until disease progression, unacceptable toxici... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Research Site, Washington, District of Columbia
Conditions: Non-small Cell Lung Cancer
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: Georgetown University, Washington, District of Columbia +1 locations
Conditions: Early Alzheimer's Disease