Massachusetts General Hospital

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, Massachusetts General Hospital sits in the top decile of US sponsors by registered trial count (#4 of 15,742 sponsors by registered trial count).

2,032 total trials 336 currently recruiting 1284 completed early-phase tilt top decile by trial count

Massachusetts General Hospital: 2,032 sponsored US clinical trials, 336 recruiting.

Massachusetts General Hospital sponsors 2,032 registered US clinical trials on ClinicalTrials.gov, 336 of them currently recruiting, and 1,284 completed. 240 of these trials are in Phase 3-4 (later-stage) and 515 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Depression, with 29 trials.

Top-decile sponsor footprint

Massachusetts General Hospital ranks in the top decile of sponsors by registered trial count (#4 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

D 55/100

1,284 of 1,487 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (86.3%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Open and recent trials

2,032 total, page 16 of 41

COMPLETED

To Observe Whether Isoflurane Can Treat COVID-19 Patients

NCT04492943

COMPLETED Phase 3

Efficacy of Tocilizumab on Patients With COVID-19

NCT04356937

TERMINATED Phase 2

Nitric Oxide Inhalation Therapy for COVID-19 Infections in the ED

NCT04338828

TERMINATED

Non-Invasive Monitoring of Respiratory Function in Spontaneously Breathing Patients With COVID-19 Infection

NCT04356443

TERMINATED Phase 2

NO Prevention of COVID-19 for Healthcare Providers

NCT04312243

COMPLETED

Developing a Down Syndrome Health Instrument

NCT04631237

COMPLETED Phase 3

Outcomes Related to COVID-19 Treated With Hydroxychloroquine Among In-patients With Symptomatic Disease

NCT04332991

COMPLETED

The E-health Application To Modify ORal Energy Intake and Measure Outcomes REmotely in ALS Clinical Trial (EAT MORE2)

NCT04051333

COMPLETED Phase 2

Nitric Oxide Gas Inhalation in Severe Acute Respiratory Syndrome in COVID-19

NCT04306393

TERMINATED Phase 2

Nitric Oxide Gas Inhalation Therapy for Mild/Moderate COVID-19

NCT04305457

COMPLETED

Online Trial Examining Validity and Reliability of the Shared Decision Making Process Survey

NCT04317690

COMPLETED NA

Online Trial Examining Validity of the Shared Decision Making Process Survey With Video Vignettes

NCT04317274

TERMINATED NA

A Trial of Traffic Light Labeling With Behavioral Nudges and a Healthy Recipe Database to Increase Selection of Healthier Foods in Client-choice Food Pantries

NCT04243252

TERMINATED NA

TMS in Preclinical and Prodromal AD: Modulation of Brain Networks and Memory

NCT04294888

COMPLETED

COVID-19 Testing Sample Acquisition Throughput and Efficiency

NCT04532411

TERMINATED NA

Pilot Study of the Haymakers for Hope Fitness Program

NCT04220216

COMPLETED NA

PEERS Using Peer Mentors to Deliver Depression Care

NCT04319094

COMPLETED Phase 4

Immune Monitoring to Facilitate Belatacept Monotherapy

NCT04177095

COMPLETED NA

Heterogeneity Informed Nutrition Therapy for Gestational Diabetes Mellitus

NCT04187521

COMPLETED

Telemedicine Abdominal Exams & Imaging

NCT04254588

COMPLETED

Inflammation and Cardiovascular Health in Women

NCT04224181

COMPLETED Phase 4

Engagement With an Adaptive Mobile Health Smoking Cessation Intervention

NCT04020718

COMPLETED NA

School-Based Living In Families With Emotions Training

NCT06793878

COMPLETED NA

Evaluation of a Resiliency Intervention for Siblings of Children With Autism Spectrum Disorder (ASD)

NCT04369417

COMPLETED Phase 2

Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Treatment in Spinal Surgery

NCT05764707

COMPLETED NA

Effectiveness of an Integrated Treatment to Address Smoking Cessation and Anxiety/ Depression in People Living With HIV

NCT03904186

COMPLETED

Relative Sarcopenia and Cardiometabolic Risk in Young Adults With Obesity

NCT04195061

TERMINATED NA

Text-Enabled Ascertainment and Community Linkage for Health

NCT04058301

COMPLETED Early Phase 1

rTMS as a Treatment for PPA

NCT03406429

COMPLETED NA

Connect for Health Pediatric Weight Management Program

NCT04042493

COMPLETED NA

Electronic Pill Bottle Monitoring to Promote Medication Adherence for People With Multiple Sclerosis

NCT04130256

TERMINATED Phase 4

Investigation of Cannabidiol for Reduction of NeuroInflammation in Chronic Back Pain

NCT03891264

COMPLETED Phase 4

A Pilot of Methylphenidate in Mild Cognitive Impairment and Dementia Participants.

NCT03811847

COMPLETED

Effects of Gender-Affirming Hormone Therapy Among Transgender Women

NCT04128488

COMPLETED NA

The Effects of Exercise on Sleep and Brain Health

NCT04210882

COMPLETED NA

Small-group, Virtual Program for Improving Symptoms and Distress Related to Hormonal Therapy for Breast Cancer Survivors

NCT03837496

COMPLETED NA

Auricular Vagus Nerve Stimulation for Chronic Pain

NCT03959111

COMPLETED

Executive Function and Symptom Reduction in Youth Receiving Home-based Treatment With Collaborative Problem Solving

NCT04121650

COMPLETED NA

Psychological Intervention For Brain Tumor Caregivers

NCT04109209

TERMINATED Phase 2

Study of the Combination of DKN-01 and Nivolumab in Previously Treated Patients With Advanced Biliary Tract Cancer (BTC)

NCT04057365

COMPLETED NA

A Tailored Program to Promote Well-being and Physical Activity in Mid-life Adults With Low Physical Activity

NCT04745182

COMPLETED

HIV Exposure in Utero and Metabolic Disease Risk in HIV-Negative Young Adults

NCT04132830

TERMINATED NA

Early Insertion of Axillary Impella® With VA ECMO

NCT04084015

COMPLETED NA

Impact of a Patient Decision Aid for Treatment of Aortic Stenosis

NCT04103931

COMPLETED NA

Waitlist-Control Trial of Smartphone Cognitive Behavioral Therapy (CBT) for Body Dysmorphic Disorder (BDD)

NCT03673046

COMPLETED NA

Managing Pain and Cognitions in Older Adults With Mild Cognitive Impairment or Memory Related Problems and Chronic Pain

NCT04044183

COMPLETED Phase 1

Aspirin for the Treatment of Nonalcoholic Fatty Liver Disease

NCT04031729

COMPLETED Phase 4

Bone Modeling Effects of Combined Anabolic/Antiresorptive Administration

NCT04026256

COMPLETED Phase 4

Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Control for Oocyte Retrieval

NCT03073980

TERMINATED Phase 2

Umbralisib and Rituximab as Initial Therapy for Patients With Follicular Lymphoma and Marginal Zone Lymphoma

NCT03919175

← Previous Page 16 of 41 Next →

Phase Distribution

PhaseTrial count
Phase 1 226
Phase 2 289
Phase 3 58
Phase 4 182

What is open in the Massachusetts General Hospital pipeline

336 recruiting of 2,032 indexed (17% open); 1,284 completed (63%).

Phase mix: 240 late (III/IV) vs 515 early (I/II) (early-phase heavy).

Top condition: Depression (29 trials), 9 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Massachusetts General Hospital: open-pipeline peers nationwide

Peers matched on 2,032 registered trials and 17% open enrollment, not the therapeutic-area sidebar.

Massachusetts General Hospital sits at or above the median trial volume and below the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 05001,0001,5002,0002,500 5%10%15%20% Total trials Recruiting share Massachusetts General HospitalNational Institute of Allergy and Infectious Diseases (NIAID)Memorial Sloan Kettering Cancer CenterPfizerStanford UniversityRush University Medical CenterOHSU Knight Cancer InstituteAdageneAgendia
Massachusetts General Hospital sits at or above the median trial volume and below the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Massachusetts General Hospital sits at or above the median trial volume and below the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 2,032 trials (± recruiting share)

Sponsors near 17% open enrollment (± trial volume)

What to do with this Massachusetts General Hospital page

2,032 registered trials is a research-attention snapshot, not an endorsement of Massachusetts General Hospital or any single study.

  • 336 of Massachusetts General Hospital's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Depression is the condition Massachusetts General Hospital studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Depression trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. Massachusetts General Hospital pipeline card: 2,032 registered trials from official public datasets. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.