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 21 of 27

COMPLETED Phase 3

Safety of Hib-MenCY-TT Vaccine Versus Licensed Hib Conjugate Vaccine, Given at 12 to 15 Months of Age.

NCT00345683

COMPLETED Phase 1

Phase I Study to Assess the Safety, Pharmacokinetics, & Pharmacodynamics of GSK923295 in Subjects w/ Refractory Cancer

NCT00504790

COMPLETED Phase 1

A Phase I Topotecan Study in Subjects With Cancer and Impaired Renal Function

NCT00483860

COMPLETED Phase 3

Persistence Study of GSK Biologicals' Tdap Vaccine 1, 3, 5 and 9 Years Following Administration as an Initial Single Dose in Healthy Young Adults and to Evaluate the Immunogenicity and Safety of Boostrix as a Second Dose of Tdap, When Administered at Year 9

NCT00489970

COMPLETED Phase 1

A Study To Test The Interaction of Two Medications for Treatment of Overactive Bladder

NCT00501267

COMPLETED Phase 1

Study To Investigate The Safety And Metabolism Of GSK376501 In Overweight Subjects

NCT00495014

COMPLETED Phase 1

Study Of Pharmacokinetics and Pharmacodynamics Effects Of GSK256073A On Healthy Volunteers

NCT00488449

COMPLETED Phase 2

Ofatumumab (Humax-CD20) With CHOP (Cyclophosphamide,Doxorubicin, Vincristine, Predisolone) in Follicular Lymphoma (FL) Patients

NCT00494780

TERMINATED Phase 2

A Phase II Study Evaluating SB-751689 in Post-Menopausal Women With Osteoporosis.

NCT00471237

COMPLETED Phase 1

Bioequivalence And Effect Of Food And Water On Lamotrigine in Healthy Volunteers

NCT00449774

COMPLETED Phase 1

The Effects Of GW679769 (Casopitant) On The Pharmacokinetics Of Docetaxel In Subjects With Cancer

NCT00440128

COMPLETED Phase 4

Prostate Cancer Study In Men Who Have Failed First-Line Androgen Deprivation Therapy

NCT00470834

COMPLETED Phase 4

A 12-Month Study Comparing Fluticasone Propionate/Salmeterol (ADVAIR) DISKUS Combination Product 250/50mcg BID To Fluticasone Propionate (FLOVENT) DISKUS 250 mcg BID In Symptomatic Subjects With Asthma

NCT00452699

COMPLETED Phase 4

A 12-Month Study Comparing Fluticasone Propionate/Salmeterol (ADVAIR) DISKUS Combination Product 250/50mcg Twice Daily To Fluticasone Propionate (FLOVENT) DISKUS 250 mcg Twice Daily In Symptomatic Patients With Asthma

NCT00452348

COMPLETED Phase 1

Eltrombopag Taste Testing in Healthy Adult Volunteers

NCT00487968

TERMINATED Phase 2

Brain Metastases In ErbB2-Positive Breast Cancer

NCT00437073

TERMINATED Phase 2

Randomized Discontinuation Study of Lapatinib Versus Placebo in Subjects With Documented Tumor Progression After Chemotherapy, or Where no Approved Therapy Exists

NCT00447226

COMPLETED Phase 2

Immunogenicity and Safety of Meningococcal Vaccine GSK134612 vs. Menactra® in Healthy Adolescent/Adults Aged 10-25 Years.

NCT00454909

COMPLETED Phase 1

A Study to Assess the Safety and Interaction Between Casopitant and Ketoconazole When Taken By Healthy Adults

NCT00460707

COMPLETED Phase 1

A Study to Evaluate and Study Drug Levels in Blood Plasma When Giving High Doses of GSK189075 to Healthy Volunteers

NCT00501930

COMPLETED Phase 1

A Study To Investigate The Metabolism And Excretion Of 14C SB-751689 Given To Healthy Males And Postmenopausal Women

NCT00499928

COMPLETED

Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath

NCT00442468

COMPLETED Phase 1

A Study to Estimate the Effect of Formulation on the Relative Absorption of SB-751689 Administered to Healthy Women

NCT00540878

COMPLETED Phase 1

Evaluation Of SB-751689 Administered At Supratherapeutic Dose Levels In Healthy Adult Subjects.

NCT00468689

COMPLETED Phase 2

Out-Patient Study in Patients With Type 2 Diabetes Mellitus Who Are Taking no Diabetes Medication or Metformin Only

NCT00518115

COMPLETED Phase 1

Comparison Of Two Tablet Formulations Of SB-568859

NCT00470145

COMPLETED Phase 1

A Study of the Effects of GSK189075 on PK Profiles of an Oral Contraceptive Pill When Given to Healthy Female Volunteers

NCT00504816

TERMINATED Phase 1

Open-label Study to Investigate the Safety, Tolerability, PK, and Pharmacodynamics of the AKT Inhibitor GSK690693

NCT00493818

COMPLETED Phase 2

Study of GSK1363089 in Metastatic Gastric Cancer

NCT00725712

COMPLETED Phase 1

A Single Centre Randomized Study Evaluating The Safety And Tolerability Of GSK233705 In Healthy Volunteers.

NCT00453687

COMPLETED Phase 1

A Study To Evaluate The Safety, Tolerability And Pk Of Pazopanib Eye Drops In Healthy Adult And Elderly Subjects.

NCT00463320

COMPLETED Phase 1

A Study to Investigate the Effects of GW876008 on Brain Activation During Emotional Processing in Healthy Subjects.

NCT00424697

TERMINATED Phase 1

A Study To Assess The Pharmacokinetics Of Different Modified Release Formulations Of GSK221149 In Healthy Adult Subjects

NCT00449709

COMPLETED Phase 3

Rosiglitazone (Extended Release Tablets) As Monotherapy In Subjects With Mild To Moderate Alzheimer's Disease

NCT00428090

COMPLETED Phase 1

A Study to Assess the Safety & Interaction Between GW679769, Dexamethasone, & Ondansetron When Taken by Healthy Adults

NCT00437229

COMPLETED Phase 1

A Study To Evaluate The Effect Of WELLBUTRIN XL On Intraocular Pressure

NCT00439868

COMPLETED Phase 3

A 12-Week Study To Assess The Safety Of Fluticasone Propionate/Salmeterol 100/50 Hydrofluoroalkane (HFA) Versus Fluticasone Propionate 100 HFA In Children With Asthma

NCT00441441

COMPLETED Phase 1

A Study of the Effects of Ketoconazole Taken Orally Has on the PK Profiles of a Dose of GSK189075 in Healthy Volunteers

NCT00501397

COMPLETED

LENS - Long-term Eltrombopag Observational Study

NCT00643929

COMPLETED Phase 3

Immunogenicity of GlaxoSmithKline Biological's Human Papillomavirus (HPV) Vaccine (580299) Versus Merck's Gardasil® in Healthy Females 18-45 Years of Age

NCT00423046

COMPLETED Phase 2

Dose-Ranging Study in Treatment Naive Type 2 Diabetes Mellitus(T2DM)

NCT00500331

COMPLETED Phase 2

Ofatumumab With Fludarabine and Cyclophosphamide in B-CLL Patients

NCT00410163

COMPLETED Phase 1

A Two-Part Study to Determine: Best Medication Formulation and Food Effect

NCT00427596

COMPLETED Phase 1

Study to Compare Two Formulations of Lamotrigine in Healthy Subjects

NCT00410371

COMPLETED Phase 4

Fluticasone Furoate Nasal Spray Versus Oral Fexofenadine

NCT00435461

COMPLETED Phase 1

A Phase I Study of Pazopanib in Adult Patients With Liver Cancer

NCT00370513

COMPLETED Phase 3

Fluticasone Nasal Spray Patient Preference Study

NCT00398476

COMPLETED Phase 3

Oral HYCAMTIN Plus Whole Brain Radiation Therapy In Treatment Of Brain Metastases Resulting From Non-Small Lung Cancer

NCT00390806

COMPLETED Phase 1

An Investigation To Determine The Potential Interaction Effect Between GW876008 And Midazolam.

NCT00423761

COMPLETED Phase 1

Study Of The Effects Of SB 480848 (Darapladib) On The Electrical Conduction Of The Heart

NCT00411073

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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.