Glaxosmithkline Research & Development Limited: clinical-trial pipeline

Glaxosmithkline Research & Development Limited is the sponsor of 3,895 clinical trials in ClinicalTrials.gov and the EU CTIS portal; 186 are not yet finished and 16 were first posted in the last 90 days. Source: Arcadium Data, data as of .

Open trials186
Phase 2/3 and 3961
Countries103
New in 90 days16

Trials by phase

PhaseTrials
Phase 11,173
Phase 3953
Phase 2836
Not applicable532
Phase 4341
Phase 1/252
Phase 2/38

Trials by status

StatusTrials
Completed3,331
Terminated257
Withdrawn or not authorised114
Recruiting72
Active, not recruiting70
Not yet recruiting44
Unknown6
Suspended or halted1

Condition areas

AreaTrials
Infectious disease and vaccines1,319
Respiratory721
Oncology456
Gastroenterology and liver339
Rare and genetic diseases269
Immunology and rheumatology233
Cardiovascular192
Metabolic and endocrine (diabetes, obesity)188
Neurology176
Haematology156
Nephrology and urology141
Psychiatry and mental health141

Countries

CountryTrials
United States1,575
United Kingdom727
Germany702
Canada535
Spain505
France405
Australia389
Belgium377
Italy373
Japan330
South Korea307
Poland306
Netherlands301
Russia285
Argentina243

Latest changes

DayChangeTrial
2026-10-13New trial postedA Study on the Impact of Recombinant Zoster Vaccine on Major Adverse Cardiovascular Event…
2026-10-09New trial postedA Study to Investigate the Effects of Moderate or Severe Renal Impairment (RI) on Velzati…
2026-10-07New trial postedA Study to Investigate the Effect of Omeprazole and Cyclosporine on Velzatinib in Healthy…
2026-10-06New trial postedTwo Part (Phase1b/ Phase3) Trial of Subcutaneous Dostarlimab Plus Carboplatin-Paclitaxel…
2026-10-06New trial postedA Study to Investigate the Effects of Impaired Hepatic Function on Velzatinib
2026-10-06New trial postedJ-LINX: Japan LINerixibat eXtension Study
2026-10-01New trial postedA Study to Evaluate the Immune Response and Safety of a Vaccine Against Influenza in Adul…
2026-09-30New trial postedProspective Registry of Exposure to Gepotidacin (PREG)
2026-09-28New trial postedA Legacy Study in Participants With Gastrointestinal Stromal Tumors (GIST)
2026-09-16New trial postedA Study to Investigate Safety, Tolerability and Pharmacokinetics of VH5356136 in Adult Pa…
2026-09-14New trial postedA Study to Investigate Pharmacokinetics (PK), Safety, and Tolerability of VH4367310 in He…
2026-09-11New trial postedA Phase 2b Study Evaluating VH4011499 Capsid Inhibitor Long-Acting Injectable Plus Cabote…

Open trials

The 25 most recently changed open trials.

Registry idTitlePhaseStatusCountries
NCT05723562A Study of Dostarlimab in Untreated dMMR/MSI-H Locally Advanced Rectal CancerPhase 2Active, not recruitingCanada, Germany, Spain, France +6
NCT06256588A Study of Dostarlimab vs Placebo After Chemoradiation in Adult Participants With Locally Advanced Unresected…Phase 3Active, not recruitingUnited Arab Emirates, Argentina, Australia, Belgium +26
NCT06041386REIMAGINE - Real World EvaluatIon of Mepolizumab in Severe Asthma achievinG on Treatment clinIcal remissioN,…Phase 4Active, not recruitingBelgium, Canada, Germany, Spain +5
NCT05277051First-Time-in-Human Study of GSK4381562 in Participants With Advanced Solid TumorsPhase 1Active, not recruitingAustralia, Canada, China, Spain +5
NCT06534892An Extension and Crossover Vaccination Study on the Immune Response and Safety of a Vaccine Against Respirato…Phase 3Active, not recruitingAustralia, Belgium, Canada, Germany +13
NCT04732871Immunogenicity, Safety, Reactogenicity and Persistence of an Investigational Respiratory Syncytial Virus (RSV…Phase 3Active, not recruitingGermany, Finland, Japan, Taiwan +1
NCT04162210Study of Single Agent Belantamab Mafodotin Versus Pomalidomide Plus Low-dose Dexamethasone (Pom/Dex) in Parti…Phase 3Active, not recruitingAustralia, Belgium, Bulgaria, Brazil +15
NCT05565378A Platform Study of Novel Immunotherapy Combinations in Participants With Previously Untreated, Advanced/Meta…Phase 2Active, not recruitingUnited Arab Emirates, Argentina, Belgium, Brazil +17
NCT04246047Evaluation of Efficacy and Safety of Belantamab Mafodotin, Bortezomib and Dexamethasone Versus Daratumumab, B…Phase 3Active, not recruitingAustralia, Belgium, China, Czechia +12
NCT05263934Efficacy and Safety of Depemokimab Compared With Mepolizumab in Adults With Relapsing or Refractory Eosinophi…Phase 3Active, not recruitingArgentina, Austria, Belgium, Brazil +16
NCT03441113Extended Access of Momelotinib in Adults With MyelofibrosisPhase 2Active, not recruitingAustria, Australia, Belgium, Bulgaria +16
NCT04484623Belantamab Mafodotin Plus Pomalidomide and Dexamethasone (Pd) Versus Bortezomib Plus Pd in Relapsed/Refractor…Phase 3Active, not recruitingAustralia, Brazil, China, Czechia +13
2023-504753-12-00A randomized, multicenter, double-blind, Phase 3 study to investigate the safety and efficacy of belrestotug…Phase 3Active, not recruitingBelgium, Bulgaria, Czechia, Germany +16
NCT05334368Depemokimab in Participants With Hypereosinophilic Syndrome, Efficacy, and Safety TrialPhase 3Not yet recruitingArgentina, Australia, Belgium, Brazil +15
NCT04915755Efficacy and Safety Comparison of Niraparib to Placebo in Participants With Human Epidermal Growth Factor 2 N…Phase 3Active, not recruitingArgentina, Austria, Australia, Belgium +23
NCT04126200Platform Study of Belantamab Mafodotin as Monotherapy and in Combination With Anti-cancer Treatments in Parti…Phase 1/2Active, not recruitingAustralia, Brazil, Canada, Germany +11
NCT02362503Attachment Inhibitor Comparison in Heavily Treatment Experienced PatientsPhase 3Active, not recruitingArgentina, Australia, Belgium, Brazil +21
NCT06572384A Study of the Efficacy and Safety of Belimumab in Adults With Interstitial Lung Disease Associated With Conn…Phase 3Not yet recruitingArgentina, Australia, Belgium, Brazil +14
NCT06411249A Study Describing the Efficacy and Safety of Belimumab Administered in Adult Participants With Early Systemi…Phase 4Active, not recruitingArgentina, Brazil, Germany, Spain +7
NCT06613698A Study to Investigate the Safety and Efficacy of GSK4532990 Compared With Placebo in Adult Participants Aged…Phase 2RecruitingArgentina, Australia, Canada, Germany +13
NCT06431594A Study to Evaluate the Safety,Tolerability, Pharmacokinetics and Clinical Activity of Mocertatug Rezetecan f…Phase 1Active, not recruitingArgentina, Australia, Belgium, Brazil +12
NCT06567782A Study of Neoadjuvant Dostarlimab Plus Capecitabine Plus Oxaliplatin (CAPEOX) Vs CAPEOX With Previously Untr…Phase 2Active, not recruitingBelgium, Switzerland, Spain, United Kingdom +2
NCT06694805A Study to Evaluate the Effectiveness of Long-acting (LA) Cabotegravir (CAB) + Rilpivirine (RPV) LA When Give…Phase 3Active, not recruitingArgentina, Belgium, Canada, Germany +4
NCT06497504Study of Bepirovirsen in Participants Living With Human Immunodeficiency Virus and Chronic Hepatitis B Virus…Phase 2Active, not recruitingArgentina, Brazil, Canada, Spain +6
NCT06716606A Study to Investigate the Long-term Safety and Efficacy of Belimumab in Adults With Interstitial Lung Diseas…Phase 3Not yet recruitingArgentina, Australia, Belgium, China +12

Hiring for clinical development

Glaxosmithkline Research & Development Limited has 51 open jobs with a clinical, regulatory, safety, biostatistics or medical-affairs title on its own career sites: hiring profile of gsk.com.

Website: gsk.com. All sponsors: clinical-trial pipeline by sponsor.

Track a sponsor's pipeline

The API returns the same trials by sponsor website, phase, status, condition and country with a change feed, joined to hiring and public contract awards. Try it without a key on one sponsor.

Sources: ClinicalTrials.gov (U.S. National Library of Medicine, public domain) and the EU Clinical Trials Information System public portal (European Medicines Agency), data as of 2026-10-25. A trial that one register cites in the other is shown once. Organisation-level data only: investigators, contact persons and site names are not stored, and a sponsor that could be a private person is withheld. Sponsor-to-website matches are made by name and can be wrong; check the register before relying on a record. Independent of the NLM, NIH and EMA.

Cite as: Arcadium Data, "Glaxosmithkline Research & Development Limited clinical trials: 186 open, 961 in phase 3", https://arcadiumdata.io/clinical-trials/sponsor/gsk-com/, data as of 2026-10-25.