Merck Sharp & Dohme

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, Merck Sharp & Dohme sits in the top decile of US sponsors by registered trial count (#63 of 15,742 sponsors by registered trial count).

558 total trials 120 currently recruiting 320 completed early-phase tilt top decile by trial count

Merck Sharp & Dohme: 558 sponsored US clinical trials, 120 recruiting.

Merck Sharp & Dohme sponsors 558 registered US clinical trials on ClinicalTrials.gov, 120 of them currently recruiting, and 320 completed. 191 of these trials are in Phase 3-4 (later-stage) and 360 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Healthy, with 25 trials.

Top-decile sponsor footprint

Merck Sharp & Dohme ranks in the top decile of sponsors by registered trial count (#63 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

C 66/100

320 of 354 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (90.4%), 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

558 total, page 11 of 12

COMPLETED Phase 2

Study of Sotatercept for the Treatment of Anemia in low-or Intermediate-1 Risk Myelodysplastic Syndromes (MDS) or Non-proliferative Chronic Myelomonocytic Leukemia (CMML)

NCT01736683

COMPLETED Phase 1

A Study of the Effect of MK-8457 on Blood Pressure in Hypertensive Participants (MK-8457-004-AM1)

NCT01446003

COMPLETED Phase 1

Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of MK-1029 in Participants With Mild to Moderate Asthma

NCT01370317

COMPLETED Phase 1

A Study to Evaluate and Compare the Efficacy and Pharmacokinetics of MK-0873 for the Treatment of Plaque Psoriasis (MK-0873-022)

NCT01235728

TERMINATED Phase 2

A Four Week, Open-Label Study of Azithromycin Ophthalmic Solution, 1% (P08641)

NCT01220258

TERMINATED Phase 2

Study to Evaluate Effect of a Single Dose of Sotatercept (ACE-011) on Red Blood Cell Mass and Plasma Volume in Participants With Solid Tumors

NCT01190644

COMPLETED Phase 4

A Four Week Study of Azithromycin Ophthalmic Solution, 1% Versus Rewetting Drops in Subjects With History and Current Complaint of Contact Lens-Related Dry Eye (CLDE)

NCT01105624

COMPLETED Phase 4

A Four Week Study of Azithromycin Ophthalmic Solution, 1% Versus Placebo in Subjects With Dry Eye Disease

NCT01014078

TERMINATED Phase 2

Study of Sotatercept for the Treatment of Chemotherapy Induced Anemia in Patients With Metastatic Breast Cancer (MK-7962-012)

NCT00931606

COMPLETED Phase 2

The Effects of Azithromycin Ophthalmic Solution, 1% Versus Placebo in Subjects With Blepharitis During a Four-Week Treatment Period (P08638)

NCT00894530

COMPLETED Phase 2

The Effects of Azithromycin Ophthalmic Solution, 1% Versus Placebo in Subjects With Blepharitis During a Two-Week Treatment Period

NCT00892970

COMPLETED Phase 1

A Study of Aprepitant (MK-0869) in Pediatric Participants Undergoing Surgery (MK-0869-148)

NCT00819039

COMPLETED Phase 4

Safety and Efficacy Pilot Study of AzaSite® for Four Weeks in Subjects With Blepharitis

NCT00656539

COMPLETED Phase 4

Safety and Efficacy Study of AzaSite® in Subjects With Blepharitis

NCT00629941

COMPLETED Phase 4

Safety and Efficacy Pilot Study of AzaSite (Azithromycin) in Subjects With Blepharitis

NCT00629590

COMPLETED Phase 4

Study of AzaSite Versus Vigamox in the Tears of Healthy Volunteers

NCT00575367

COMPLETED Phase 4

Safety and Efficacy Pilot Study of AzaSite® (Azithromycin) in Subjects With Blepharitis

NCT00629980

COMPLETED Phase 3

Study of Denufosol Tetrasodium Inhalation Solution in Patients With Cystic Fibrosis (CF) Lung Disease

NCT00625612

COMPLETED Phase 4

Study of AzaSite Versus Vigamox Concentrations in the Conjunctiva and Aqueous Humor in Subjects Undergoing Routine Cataract Surgery

NCT00575380

COMPLETED Phase 4

Study of Two Marketed Ocular Anti-Allergy Medications in Subjects With Allergic Conjunctivitis

NCT00534794

COMPLETED Phase 2

A Study of Epinastine Nasal Spray in Subjects With Seasonal Allergic Rhinitis

NCT00407927

COMPLETED Phase 2

Study to Evaluate Drug-drug Interaction Between Valopicitabine and Ribavirin

NCT00395421

TERMINATED Phase 2

A 52-Week Study to Assess the Effects of MK0822 on Knee Osteoarthritis (MK-0822-011)

NCT00397683

COMPLETED Phase 3

Safety and Efficacy of Prulifloxacin Versus Placebo in Traveler's Diarrhea

NCT00392574

TERMINATED Phase 2

Study of INS50589 Intravenous Infusion in Subjects Undergoing Coronary Artery Bypass Grafting (CABG) Involving Cardiopulmonary Bypass

NCT00316212

COMPLETED Phase 2

A Study to Evaluate the Combination of Pegylated Interferon Alfa Plus Valopicitabine in Patients With Hepatitis C

NCT00118768

COMPLETED Phase 2

A Study in Pediatric Patients With Cystic Fibrosis Lung Disease

NCT00130182

COMPLETED Phase 2

Ridaforolimus (AP23573/MK-8669) in Participants With Taxane-Resistant Androgen-Independent Prostate Cancer (AIPC)(MK-8669-017)

NCT00110188

COMPLETED Phase 2

Valopicitabine Alone and Together With Pegylated Interferon in Patients With Chronic Hepatitis C Who Have Failed to Respond to Standard Therapy

NCT00120861

COMPLETED Phase 1

Study of the Tolerability, Pharmacokinetics, and Pharmacodynamics of INS50589 Intravenous Infusion in Healthy Volunteers

NCT00099450

COMPLETED Phase 3

Evaluation of Clinical and Microbial Efficacy and Safety of AzaSite Compared to Tobramycin for Bacterial Conjunctivitis (C-01-401-004)

NCT00105469

COMPLETED Phase 3

Evaluation of Clinical and Microbial Efficacy and Safety of AzaSite Compared to Vehicle for Bacterial Conjunctivitis (C-01-401-003)

NCT00105534

COMPLETED Phase 1

Valopicitabine When Administered Alone and in Combination With Interferon to Treatment-Naive Patients With Hepatitis C

NCT00120835

COMPLETED Phase 1

Safety Study of AP23573 in Patients With Progressive or Recurrent Glioma (8669-023)(COMPLETED)

NCT00087451

COMPLETED Phase 2

Study of AP23573 in Patients With Relapsed or Refractory Hematologic Malignancies (8669-024)(COMPLETED)

NCT00086125

TERMINATED Phase 2

Study of Denufosol (INS37217) in Subjects With Rhegmatogenous Retinal Detachment

NCT00083967

COMPLETED Phase 1

Safety Study of AP23573 in Patients With Advanced, Refractory or Recurrent Malignancies (8669-013)(COMPLETED)

NCT00060645

COMPLETED Phase 1

Dose Escalation Study to Evaluate the Safety and Antiviral Activity of Val-mCyd in Adults With Chronic Hepatitis C

NCT00227435

COMPLETED Phase 2

MARS - Monitored Atherosclerosis Regression Study

NCT00116870

COMPLETED Phase 1

A Pharmacokinetic Study of L-697,661 Alone and in Combination With Zidovudine

NCT00000628

COMPLETED NA

A Study of the Side Effects of L-743,872 in Men With Candidal Esophagitis

NCT00005921

COMPLETED NA

The Safety and Effectiveness of Indinavir Sulfate Plus Efavirenz

NCT00002387

COMPLETED NA

A Six-Month Safety and Antiviral Study in HIV-1 Seropositive, AZT-Experienced Patients With CD4 Counts Less Than or Equal to 50 Cells/mm3 to Evaluate MK-639 Alone Versus Zidovudine (AZT) and 3TC Versus the Combination of MK-639 With AZT/3TC

NCT00002155

COMPLETED Phase 2

Safety and Effectiveness of an Anti-HIV Drug Combination in HIV-Positive Patients Who Have Failed Previous Treatment With Protease Inhibitors

NCT00002361

COMPLETED Phase 1

A Study of L-735,524 in HIV-Positive Children and Adolescents

NCT00002351

COMPLETED NA

Safety and Effectiveness of Giving Indinavir and Nelfinavir to HIV-Infected Patients

NCT00002375

COMPLETED NA

A Study of Indinavir Sulfate Given Together With Stavudine to HIV-Positive Patients

NCT00002354

COMPLETED NA

A Study to Compare the Effectiveness of Two Anti-HIV Drug Combinations

NCT00002430

COMPLETED Phase 3

A Multicenter, Open-Label, Randomized, 24-Week Study to Compare the Safety and Activity of Indinavir Sulfate, 800 Mg q 8 h Versus 1,200 Mg q 12 h in Combination With Zidovudine and 3TC

NCT00002208

COMPLETED Phase 3

A Comparison of Two Dose Levels of Indinavir Combined With Two Nucleoside Analogue Reverse Transcriptase Inhibitors (NRTIs) in HIV-Infected Patients

NCT00002406

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Phase Distribution

PhaseTrial count
Phase 1 230
Phase 2 130
Phase 3 173
Phase 4 18

What is open in the Merck Sharp & Dohme pipeline

120 recruiting of 558 indexed (22% open); 320 completed (57%).

Phase mix: 191 late (III/IV) vs 360 early (I/II) (early-phase heavy).

Top condition: Healthy (25 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.

Merck Sharp & Dohme: open-pipeline peers nationwide

Peers matched on 558 registered trials and 22% open enrollment, not the therapeutic-area sidebar.

Merck Sharp & Dohme sits at or above the median trial volume and at or above 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 0200400600 5%10%15%20%25% Total trials Recruiting share Merck Sharp & DohmeAmgenVirginia Commonwealth UniversityUniversity of Maryland, BaltimoreOhio State UniversityAbbVieWomen and Infants Hospital of Rhode IslandFlorida State UniversityAxsome Therapeutics
Merck Sharp & Dohme sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Merck Sharp & Dohme sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 558 trials (± recruiting share)

Sponsors near 22% open enrollment (± trial volume)

What to do with this Merck Sharp & Dohme page

558 registered trials is a research-attention snapshot, not an endorsement of Merck Sharp & Dohme or any single study.

  • 120 of Merck Sharp & Dohme's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Healthy is the condition Merck Sharp & Dohme studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Healthy 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.

Merck Sharp & Dohme pipeline card: 558 registered trials from official public datasets.Report a data error.