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Clinical trial register · United Kingdom · industry-sponsored

Clinical Trials in London

Every industry-sponsored study on the ClinicalTrials.gov registry that lists a UK site and is open, about to open, active-but-closed, or enrolling by invitation. This deliberately excludes academic and other non-industry sponsors — the full UK registry across all sponsors is far larger. UK studies may also be registered separately on ISRCTN.

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Source: ClinicalTrials.gov. Complete coverage of the industry-sponsored slice — all 2846 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 19 Sep 2026, 04:26 UTC
2846
Studies in scope
industry-sponsored, all four open statuses
1377
Recruiting now
open to new participants
539
Lead sponsors
across recruiting studies
Top sites
London 43 Glasgow 17 Birmingham 11 Manchester 11 Bristol 8
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Recruitment status
Phase
Lead sponsor
AstraZeneca136 Merck Sharp & Dohme LLC99 Hoffmann-La Roche80 Janssen Research & Development, LLC73 Novartis Pharmaceuticals72 Clear sponsor filter
Site city
London43 Glasgow17 Birmingham11 Manchester11 Bristol8
All 81 cities
Target enrolment
to
43 of 2846 studies
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Status
Study
Lead sponsor
Phase
Enrol
UK sites
Start
Recruiting
EPIC-Peds: A Study to Learn About the Study Medicine Called PF-07321332 (Nirmatrelvir)/Ritonavir in Patients Under 18 Years of Age With COVID-19 That Are Not Hospitalized But Are at Risk for Severe Disease
NCT05261139COVID-19
Pfizer
Phase 3
160
London
2022-03-07
Recruiting
Safety and Efficacy Study of PF-06835375 in Primary Immune Thrombocytopenia
NCT05070845Primary Immune Thrombocytopenia
Pfizer
Phase 2
91
Cambridge, Plymouth, Truro, London
2022-02-02
Recruiting
Open-Label Extension Study of Marstacimab in Hemophilia Participants With or Without Inhibitors
NCT05145127Hemophilia A, Hemophilia B
Pfizer
Phase 3
245
Newcastle upon Tyne, London
2021-11-17
Active, closed
Continued Access Study for Participants Deriving Benefit in Pfizer-Sponsored Avelumab Parent Studies That Are Closing
NCT05059522Advanced Malignancies, NSCLC, Ovarian Cancer, Urothelial Cancer
Pfizer
Phase 3
77
London, Newcastle upon Tyne, Truro
2021-09-29
Active, closed
Evaluation of Oral Tofacitinib in Children Aged 2 to 17 Years Old Suffering From Moderate to Severe Ulcerative Colitis
NCT04624230Ulcerative Colitis
Pfizer
Phase 3
118
London, Birmingham
2021-08-12
Active, closed
Study of Talazoparib With Enzalutamide in Men With DDR Gene Mutated mCSPC
NCT04821622Prostate Cancer
Pfizer
Phase 3
599
Exeter, Maidstone, Preston, Edinburgh, Glasgow, Sheffield, Birmingham, London
2021-05-12
Recruiting
Randomized Study in Children and Adolescents With Migraine: Acute Treatment
NCT04649242Pediatric Migraine
Pfizer
Phase 3
2,100
Leicester, London
2021-01-15
Active, closed
A Clinical Trial of Three Study Medicines (Encorafenib, Binimetinib, and Pembrolizumab) in Patients With Advanced or Metastatic Melanoma
NCT04657991Melanoma
Pfizer
Phase 3
257
London, Swansea
2021-01-15
Active, closed
A Study of Encorafenib Plus Cetuximab With or Without Chemotherapy in People With Previously Untreated Metastatic Colorectal Cancer
NCT04607421Neoplasms
Pfizer
Phase 3
841
Newcastle upon Tyne, Sutton, Birmingham, London, Oxford
2020-12-21
Active, closed
Study to Evaluate the Safety and Efficacy of PF-06939926 for the Treatment of Duchenne Muscular Dystrophy
NCT04281485Duchenne Muscular Dystrophy
Pfizer
Phase 3
114
Newcastle upon Tyne, Liverpool, London
2020-11-05
Active, closed
Study to Test the Safety and Tolerability of PF-07220060 in Participants With Advance Solid Tumors
NCT04557449Liposarcoma, Prostate Cancer, Breast Neoplasms, Adenocarcinoma of Lung
Pfizer
Phase 2
362
Edinburgh, London, Manchester
2020-09-23
Active, closed
Study to Evaluate the Efficacy and Safety of PF-07055480 / Giroctocogene Fitelparvovec Gene Therapy in Moderately Severe to Severe Hemophilia A Adults
NCT04370054Hemophilia A
Pfizer
Phase 3
77
London
2020-08-18
Active, closed
A Study of Sasanlimab in People With Non-muscle Invasive Bladder Cancer
NCT04165317Non-muscle Invasive Bladder Cancer
Pfizer
Phase 3
1,068
London
2019-12-30
Active, closed
An Extension Study for Treatment of Moderately to Severely Active Ulcerative Colitis
NCT03950232Ulcerative Colitis
Pfizer
Phase 3
896
Yeovil, London
2019-09-05
Active, closed
A Study to Evaluate the Efficacy and Safety of Factor IX Gene Therapy With PF-06838435 in Adult Males With Moderately Severe to Severe Hemophilia B
NCT03861273Hemophilia B
Pfizer
Phase 3
51
Newcastle upon Tyne, Glasgow, London
2019-07-29
Active, closed
Study Of Palbociclib Combined With Chemotherapy In Pediatric Patients With Recurrent/Refractory Solid Tumors
NCT03709680Ewing Sarcoma, Solid Tumors, Rhabdoid Tumor, Rhabdomyosarcoma
Pfizer
Phase 2
128
Newcastle upon Tyne, Glasgow, Leeds, London
2019-05-24
Active, closed
Talazoparib + Enzalutamide vs. Enzalutamide Monotherapy in mCRPC
NCT03395197mCRPC
Pfizer
Phase 3
1,054
Plymouth, Oxford, Glasgow, Bebington, Cornwall, Liverpool, London
2017-12-18
Active, closed
Safety and Efficacy Study of Enzalutamide Plus Leuprolide in Patients With Nonmetastatic Prostate Cancer (EMBARK)
NCT02319837Hormone Sensitive Prostate Cancer, Prostate Cancer, Cancer of the Prostate
Pfizer
Phase 3
1,068
Glasgow, Wonford, London, Sutton, Birmingham, Bristol
2014-12-17
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Cite this view

Priya Life Science (2026). Clinical trial register: industry-sponsored studies with a UK investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 19 September 2026. https://priyalifescience.com/clinical-trials-uk/city/london

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Listing here is informational and not medical advice; eligibility is determined by each study team. Compare pay for the teams running these studies in the UK Pharma Salary Guide, or see the Ireland, EU and USA registers.