GlaxoSmithKline

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, GlaxoSmithKline sits in the top decile of US sponsors by registered trial count (#17 of 15,742 sponsors by registered trial count).

1,345 total trials 50 currently recruiting 1130 completed early-phase tilt top decile by trial count

GlaxoSmithKline: 1,345 sponsored US clinical trials, 50 recruiting.

GlaxoSmithKline sponsors 1,345 registered US clinical trials on ClinicalTrials.gov, 50 of them currently recruiting, and 1,130 completed. 486 of these trials are in Phase 3-4 (later-stage) and 791 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Pulmonary Disease, Chronic Obstructive, with 30 trials.

Top-decile sponsor footprint

GlaxoSmithKline ranks in the top decile of sponsors by registered trial count (#17 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

1,130 of 1,249 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (90.5%), 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

1,345 total, page 25 of 27

COMPLETED Phase 4

VALTREX Once Daily For Viral Shedding In Herpes Simplex Virus 2 (HSV-2) Seropositive Subjects. VALTREX® Tablet is a Trademark of GlaxoSmithKline Group of Companies.

NCT00116844

COMPLETED Phase 2

Human Papilloma Virus Vaccine Immunogenicity and Safety Trial in Young Adult Women With GSK Bio's Novel HPV Vaccine.

NCT00231413

COMPLETED Phase 2

Second-Line Therapy Study For Potentially Platinum-Sensitive Relapsed Ovarian Cancer

NCT00316173

COMPLETED Phase 2

Study Of Lapatinib In Patients With Relapsed Or Refractory Inflammatory Breast Cancer

NCT00105950

COMPLETED Phase 3

Seasonal Allergic Rhinitis In Pediatric Subjects

NCT00107757

COMPLETED Phase 3

Perennial Allergic Rhinitis Study In Pediatric Subjects

NCT00108914

COMPLETED Phase 1

Co-Administration Of Fosamprenavir With Methadone: A Drug Interaction Study.

NCT00481182

COMPLETED Phase 2

SB-497115 (Oral Thrombopoietin Receptor Agonist) Versus Placebo In Adult Cancer Patients Receiving Chemotherapy

NCT00102726

COMPLETED Phase 3

A Study Of GW685698X For The Treatment Of Perennial Allergic Rhinitis In Pediatrics

NCT00116883

COMPLETED Phase 2

Post-Operative Nausea And Vomiting Study In Female Patients

NCT00274690

COMPLETED Phase 3

Immune Response and Safety Comparison of 3 Lots of GSK Biologicals' DTaP-IPV Candidate Vaccine to DTaP + IPV Vaccines

NCT00148941

COMPLETED Phase 2

Pazopanib (GW786034) In Subjects With Relapsed Or Refractory Multiple Myeloma

NCT00256880

COMPLETED Phase 3

A Clinical Research Study Evaluating Ropinirole Treatment For Restless Legs Syndrome (RLS)

NCT00225862

COMPLETED Phase 3

Rosiglitazone Versus a Sulfonylurea On Progression Of Atherosclerosis In Patients With Heart Disease And Type 2 Diabetes

NCT00116831

COMPLETED Phase 3

A Study of GW685698X for the Treatment Of Perennial Allergic Rhinitis in Adolescents and Adults

NCT00116818

COMPLETED Phase 3

The CLEVER Study - Coreg And Left Ventricular Mass Regression

NCT00108082

COMPLETED Phase 3

A Study To Evaluate The Efficacy And Safety Of A Once-Daily Investigational Nasal Spray In Adults And Adolescents With Perennial Allergic Rhinitis (PAR).

NCT00103454

COMPLETED Phase 3

Study Evaluating LAMICTAL Extended-Release Therapy Added To Current Seizure Treatments In Patients With Primary Generalized Tonic-Clonic Seizures (PGTC) Seizures

NCT00104416

COMPLETED Phase 3

Dental Pain (Following Third Molar Tooth Extraction) Study

NCT00114049

COMPLETED Phase 4

Advair® DISKUS® Versus Serevent® DISKUS® For Chronic Obstructive Pulmonary Disease Exacerbations

NCT00115492

COMPLETED Phase 2

Study Of An NK-1 Anti-Emetic Medication For The Prevention Of Post-Operative Nausea And Vomiting In Female Patients

NCT00600990

COMPLETED

An Exploratory Study To Look At The Effect Of Two Investigational Drugs On Body Fat And Inflammation

NCT00388180

COMPLETED Phase 3

Study In Adults And Adolescents With Seasonal Allergic Rhinitis

NCT00115622

COMPLETED Phase 2

Ispinesib In Subjects With Platinum-Taxane-Refractory Or Resistant Relapsed Ovarian Cancer

NCT00097409

COMPLETED Phase 2

Study Of Talnetant Versus Placebo And Risperidone In Schizophrenia

NCT00103727

COMPLETED Phase 2

Effect Of Talnetant Versus Risperidone Versus Placebo On Psychotic Symptoms In Schizophrenic Patients

NCT00300963

COMPLETED Phase 2

Study Of Prevention of Chemo-Induced Nausea and Vomiting Caused By Moderately Emetogenic Chemotherapy

NCT00104403

COMPLETED Phase 2

Anti-Tumor Activity Of SB-485232 In Patients With Previously Untreated Metastatic Melanoma

NCT00107718

COMPLETED Phase 1

LAMICTAL (Lamotrigine) For The Treatment Of Absence Seizures

NCT00144872

COMPLETED Phase 1

Ispinesib In Combination With Capecitabine In Patients With Solid Tumors

NCT00119171

COMPLETED Phase 3

Study In Subjects With COPD (Chronic Obstructive Pulmonary Disease)

NCT00103922

COMPLETED Phase 4

Study Of Asthma In Patients Of African Descent

NCT00102765

COMPLETED Phase 1

Ispinesib In Combination With Carboplatin In Patients With Solid Tumors

NCT00136578

COMPLETED Phase 1

A Study To Determine If Two Different Versions Of Topotecan Have The Same Potency In Patients With Advanced Solid Tumors

NCT00259935

COMPLETED Phase 2

Eight-Weeks Of Treatment With Talnetant In Subjects With Irritable Bowel Syndrome (IBS)

NCT00101985

COMPLETED Phase 3

Comparison Of Rituximab Versus Tositumomab and Iodine I 131 Tositumomab (BEXXAR® Therapeutic Regimen) For Patients With Relapsed Follicular Non-Hodgkins Lymphoma

NCT00268983

COMPLETED Phase 3

Study Evaluating LAMICTAL Extended-Release Therapy Added To Current Seizure Treatments In Patients With Partial Seizures

NCT00113165

COMPLETED Phase 4

Study Of Asthma And Genetics In Patients To Be Treated With Fluticasone Propionate/Salmeterol Or Salmeterol Xinafoate

NCT00102882

COMPLETED Phase 2

Study Of GW679769 In Major Depressive Disorder

NCT00102492

COMPLETED Phase 2

A Study To Evaluate An NK-1 Antiemetic For The Prevention Of Post Operative Nausea And Vomiting

NCT00108095

COMPLETED Phase 2

Nine-Weeks Treatment With 683699 In Subjects With Moderately-To-Severely Active Crohn's Disease

NCT00101946

COMPLETED Phase 4

ADVAIR® DISKUS® Inhaler (Fluticasone Propionate/Salmeterol) Versus SEREVENT® DISKUS® Inhaler (Salmeterol) For The Treatment Of Chronic Obstructive Pulmonary Disease Exacerbations. ADVAIR® DISKUS® Inhaler and SEREVENT® DISKUS® Inhaler Are Trademarks of the GSK Group of Companies.

NCT00144911

TERMINATED Phase 3

Open-Label Extension Of Intravenous Mepolizumab In Patients With Hypereosinophilic Syndrome

NCT00097370

COMPLETED Phase 1

Study Of Safety And Tolerability Of GW786034 Given With Lapatinib In Cancer Patients

NCT00158782

COMPLETED Phase 2

GR270773 In The Treatment Of Suspected Or Confirmed Gram-Negative Severe Sepsis In Adults

NCT00089986

COMPLETED Phase 4

Sexual Functioning Study With Antidepressants

NCT00316160

COMPLETED Phase 3

Inhaled Albuterol Sulfate For Acute Wheezing Due To Obstructive Airways Disease In Children

NCT00144846

COMPLETED Phase 1

A Study to Assess the Effect of SB 659032 on Platelet Function

NCT01750827

COMPLETED Phase 1

Rollover Study Of Lapatinib In Cancer Patients

NCT00169533

COMPLETED Phase 2

Comparison of GSKBiologicals' Hib-MenCY-TT Vaccine vs Licensed Hib Conjugate or Meningococcal Vaccine

NCT00129129

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Phase Distribution

PhaseTrial count
Phase 1 440
Phase 2 351
Phase 3 377
Phase 4 109

What is open in the GlaxoSmithKline pipeline

50 recruiting of 1,345 indexed (4% open); 1,130 completed (84%).

Phase mix: 486 late (III/IV) vs 791 early (I/II) (early-phase heavy).

Top condition: Pulmonary Disease, Chronic Obstructive (30 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.

GlaxoSmithKline: open-pipeline peers nationwide

Peers matched on 1,345 registered trials and 4% open enrollment, not the therapeutic-area sidebar.

GlaxoSmithKline 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 05001,0001,500 0%5%10%15% Total trials Recruiting share GlaxoSmithKlineEli Lilly and CompanyUniversity of MichiganNovartis PharmaceuticalsAstraZenecaStryker OrthopaedicsUS Oncology ResearchOtsuka Pharmaceutical Development & CommercializationTeva Branded Pharmaceutical Products R&D
GlaxoSmithKline 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).

GlaxoSmithKline 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 1,345 trials (± recruiting share)

Sponsors near 4% open enrollment (± trial volume)

What to do with this GlaxoSmithKline page

1,345 registered trials is a research-attention snapshot, not an endorsement of GlaxoSmithKline or any single study.

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. GlaxoSmithKline pipeline card: 1,345 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.