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Trackers› Clinical trials› London
Clinical trial register · United Kingdom · industry-sponsored

Clinical Trials in London, 2026

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.

Download CSV
Source: ClinicalTrials.gov. Complete coverage of the industry-sponsored slice — all 2881 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 06 Nov 2026, 03:15 UTC
2881
Studies in scope
industry-sponsored, all four open statuses
1386
Recruiting now
open to new participants
545
Lead sponsors
across recruiting studies
Top sites
London 41 Oxford 11 Cambridge 10 Leicester 9 Newcastle upon Tyne 9
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca139 Merck Sharp & Dohme LLC97 Hoffmann-La Roche83 Novartis Pharmaceuticals72 Janssen Research & Development, LLC70 Clear sponsor filter
Site city
London41 Oxford11 Cambridge10 Leicester9 Newcastle upon Tyne9
All 56 cities
Target enrolment
to

Trials with a site in London

41 of 2881 studies
Download
Status
Study
Lead sponsor
Phase
Enrol
UK sites
Start
Recruiting
Sanofi
Phase 2
8,000
Cardiff, Bournemouth, Dorchester, London, Portsmouth, Blackpool, Corby, Witney
2026-09-09
Recruiting
Sanofi
Phase 2
160
London, Bath
2026-07-28
Recruiting
Sanofi
Observational
60
Birmingham, London
2026-03-16
Active, closed
Sanofi
Phase 3
59
Wigan, London, Bradford
2026-03-12
Recruiting
Sanofi
Phase 3
751
London
2026-01-16
Recruiting
Sanofi
Phase 2
37
Newcastle upon Tyne, London
2025-12-02
Recruiting
Sanofi
Phase 2
208
London, Leeds
2025-11-06
Recruiting
Sanofi
Phase 1/2
104
London
2025-10-09
Recruiting
Sanofi
Phase 3
980
Cottingham, Cambridge, London, Norwich, Rochdale
2025-10-01
Recruiting
Sanofi
Phase 3
124
London, Norwich, Oxford
2025-09-26
Recruiting
Sanofi
Phase 3
942
Milton Keynes, London, Southampton, Salford, Chertsey, Reading, Rotherham
2025-09-17
Recruiting
Sanofi
Phase 3
942
Bristol, London, Leicester, Harrow, Oxford, Worthing, Bradford
2025-09-16
Recruiting
Sanofi
Phase 3
192
London, Manchester
2025-08-12
Recruiting
Sanofi
Phase 3
723
Cambridge, Dundee, London, Glasgow, Bath, Guildford, Leeds, Reading
2025-08-06
Active, closed
Sanofi
Phase 2
105
Northwich, Bury, Cambridge, London
2025-07-07
Recruiting
Sanofi
Phase 2
99
Bury, Cambridge, Dagenham, London
2025-06-03
Active, closed
Sanofi
Phase 3
231
London, Oxford, Bradford, Newcastle upon Tyne
2025-02-12
Active, closed
Sanofi
Phase 3
216
Wigan, London, Taunton
2025-02-06
Active, closed
Sanofi
Phase 1/2
66
London, Liverpool
2024-11-21
Active, closed
Sanofi
Phase 2
556
Ruislip, Corby, Nottingham, Oxford, Barnsley, Bradford, London
2024-11-07
By invitation
Sanofi
Phase 2
900
Cambridge, Glasgow, Bradford, Chertsey, London
2024-09-30
Recruiting
Sanofi
Phase 3
160
London, Inverness, Oxford
2024-08-21
Active, closed
Sanofi
Phase 3
1,541
Portsmouth, Leicester, London, Glasgow
2024-05-08
Active, closed
A Study to Investigate Long-term Safety and Tolerability of Tolebrutinib in Participants With Multiple Sclerosis.
NCT06372145Relapsing Multiple Sclerosis, Secondary Progressive Multiple Sclerosis, Progressive Relapsing Multiple Sclerosis
DrugTeriflunomide
Sanofi
Phase 3
2,500
Exeter, Kent, London, Swansea, Nottingham, Oxford, Cardiff, Bristol
2024-04-16
Active, closed
Sanofi
Phase 3
464
Bristol, Plymouth, London, Portsmouth, Leeds, Nottingham, Liverpool
2024-02-29
Active, closed
Sanofi
Phase 3
260
Cardiff, London, Leeds, Manchester, Newcastle upon Tyne
2024-01-23
By invitation
Sanofi
Phase 3
90
Birmingham, Leicester, London, Bradford
2024-01-03
Active, closed
Sanofi
Phase 3
943
Gwent, Cardiff, Exeter, London, Newcastle upon Tyne, Inverness, Canterbury, Salford
2023-12-27
Active, closed
Sanofi
Phase 3
1,655
Exeter, London, Inverness, Canterbury, Salford
2023-12-13
Active, closed
Sanofi
Phase 2
999
London, Edinburgh, Sheffield
2023-04-03
Active, closed
Sanofi
Phase 2
187
Cambridge, London, Warrington
2022-11-25
Active, closed
Sanofi
Phase 2/3
1,856
Bristol, London, Glasgow, Portsmouth, Leicester, Nottingham, Liverpool
2022-08-22
Active, closed
Sanofi
Phase 3
531
Derby, Birmingham, Leicester, London, Norwich
2022-06-23
Active, closed
Sanofi
Phase 3
104
London
2022-05-03
Active, closed
Sanofi
Phase 3
43
London
2022-04-18
Active, closed
Sanofi
Phase 3
122
Cambridge, London, Salford
2022-03-11
Active, closed
Sanofi
Phase 2
22
Leeds, London
2021-12-07
Active, closed
Sanofi
Phase 3
17
London, Manchester
2021-09-01
Active, closed
Sanofi
Observational
16
London, Manchester
2021-06-10
Active, closed
Sanofi
Phase 3
337
Bournemouth, London, Leicester, Southampton
2020-06-16
Recruiting
Sanofi
Phase 2
51
London, Leeds, Liverpool
2018-08-09
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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 6 November 2026. https://priyalifescience.com/clinical-trials-uk/city/london

Query this register directly
GET /api/trials?country=uk&status=recruiting&format=json Try it now →

About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every industry-sponsored study on the registry that lists at least one investigative site in the UK and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 2,881 studies in total at the last sync on 06 Nov 2026, 03:15 UTC. Academic and other non-industry sponsors are out of scope by design. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 41 of those studies with a site in London that also match the filters currently applied.

How many clinical trials are recruiting in London?

16 of the 41 studies on this page are recruiting new participants as of the 06 Nov 2026, 03:15 UTC sync. A further 0 have not yet opened recruitment, 23 are active but closed to new participants, and 2 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (London), 41 studies
PhaseStudiesRecruitingShare
Phase 324858.5%
Phase 212629.3%
Observational214.9%
Phase 1/2214.9%
Phase 2/3102.4%

Most active sponsors

Lead sponsors with the most studies (London)
Lead sponsorStudiesRecruiting
Sanofi4116
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.