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

Clinical Trials in Harrow, 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.

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Source: ClinicalTrials.gov. Complete coverage of the industry-sponsored slice — all 2863 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 11 Oct 2026, 03:15 UTC
2863
Studies in scope
industry-sponsored, all four open statuses
1385
Recruiting now
open to new participants
542
Lead sponsors
across recruiting studies
Top sites
London 2015 Manchester 668 Birmingham 478 Glasgow 437 Cambridge 425
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca6 Janssen Research & Development, LLC3 Novo Nordisk A/S2 Sanofi2 Boehringer Ingelheim2
Site city
London2015 Manchester668 Birmingham478 Glasgow437 Cambridge425
All 429 cities
Target enrolment
to

Trials with a site in Harrow

41 of 2863 studies
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Status
Study
Lead sponsor
Phase
Enrol
UK sites
Start
Recruiting
Incyte Corporation
Phase 3
426
Cambridge, Edinburgh, Harrow, Leeds, London, Newcastle upon Tyne, Oxford, Penzance
2026-09-08
Recruiting
AstraZeneca
Phase 1
32
Harrow
2026-07-30
Recruiting
AstraZeneca
Phase 1
160
Harrow
2026-07-23
Recruiting
Novartis Pharmaceuticals
Phase 3
5,700
Dorchester, London, Preston, Harrow, Rochdale, Portadown, Taunton, Chertsey
2026-05-11
Recruiting
AstraZeneca
Phase 1
104
Harrow
2026-03-30
Recruiting
Novo Nordisk A/S
Phase 1
100
Harrow
2026-02-09
Active, closed
UCB Biopharma SRL
Phase 1
80
Harrow
2025-12-08
Recruiting
Janssen-Cilag Ltd.
Observational
220
Harrow
2025-11-17
Recruiting
Sanofi
Phase 3
942
Bristol, London, Leicester, Harrow, Oxford, Worthing, Bradford
2025-09-16
Recruiting
Pharmazz, Inc.
Phase 3
514
Bury, London, Southampton, Wolverhampton, Harrow, Newcastle, Stoke-on-Trent
2025-07-24
Recruiting
AstraZeneca
Phase 2
987
Bradford, Cottingham, Glasgow, Harrow, London, Newcastle upon Tyne, Thetford, Wythenshawe
2025-06-27
Recruiting
Boehringer Ingelheim
Phase 2
300
Camberley, Gloucester, Harrow, Liverpool, London, Newcastle upon Tyne, Sunderland, Westcliff-on-Sea
2025-06-05
Active, closed
AstraZeneca
Phase 3
3,103
Chesterfield, Chippenham, Corby, Coventry, Harrow, Hull, London, Northwood
2025-05-28
Recruiting
Boehringer Ingelheim
Phase 3
4,200
Bristol, Clydebank, Exeter, Halifax, Harrow, London
2025-05-20
Recruiting
Regeneron Pharmaceuticals
Phase 1/2
132
London, Harrow
2025-04-28
Active, closed
Janssen Research & Development, LLC
Phase 3
752
Dudley, Harrow, Kings Lynn, London, Reading, Salford, Southampton, Wakefield
2025-04-15
Recruiting
Hoffmann-La Roche
Phase 3
600
Cambridge, Harrow, Liverpool, London, Newcastle upon Tyne, North Shields, Nottingham
2025-03-17
Recruiting
Multiple Dose Study for a New Medication to Potentially Treat Liver Diseases
NCT06891365Healthy Volunteers, Hepatic Steatosis
Novo Nordisk A/S
Phase 1
48
Harrow
2025-03-12
Recruiting
Wave Life Sciences USA, Inc.
Phase 1/2
296
Harrow, Merthyr Tydfil
2025-01-31
Recruiting
A Phase 2 Study and Open-Label Extension of NEU-411 in Companion Diagnostic-Positive Participants With Early Parkinson's Disease
NCT06680830Parkinson Disease, Parkinson, Idiopathic Parkinson Disease, Early Parkinson Disease (Early PD)
Neuron23 Inc.
Phase 2
150
London, Newcastle upon Tyne, Dundee, Harrow
2025-01-17
Recruiting
Loxo Oncology, Inc.
Phase 2
249
Birmingham, Glasgow, Harrow, Leeds, Lincoln, Liverpool, London, Maidstone
2025-01-03
Active, closed
Daiichi Sankyo
Phase 3
700
Birmingham, Harrow, London, Maidstone, Manchester, Oxford, Torquay
2024-11-19
Recruiting
Eli Lilly and Company
Phase 3
125
Barnsley, Bristol, Cambridge, Dundee, Harrow, Hull, Liverpool
2024-11-18
Active, closed
Takeda
Phase 3
2,099
High Wycombe, Ilford, Salford, London, Harrow
2024-09-04
Active, closed
AstraZeneca
Phase 3
2,554
Bristol, Cambridge, Dundee, Glasgow, Harrow, Hounslow, Leicester, Liverpool
2024-03-29
Active, closed
Sanofi
Phase 2
197
Cambridge, Dundee, Birmingham, Glasgow, Leicester, Harrow
2023-12-11
Active, closed
Bristol-Myers Squibb
Phase 2
227
Harrow, North Shields, Leeds, Bristol, Dundee, London, Oxford, Stockton-on-Tees
2023-11-07
Active, closed
Janssen Research & Development, LLC
Phase 3
684
Harrow, London, Reading, Salford
2023-10-12
Active, closed
Janssen Research & Development, LLC
Phase 3
311
Harrow, Salford, Southampton
2023-10-12
Recruiting
AbbVie
Phase 3
1,500
High Wycombe, Brighton, Gloucester, London, Oxford, Harrow, Salford
2023-10-11
Active, closed
Belite Bio, Inc
Phase 3
429
Great Yarmouth, Harrow, London
2023-07-27
Active, closed
ABTECT - Maintenance
NCT05535946Ulcerative Colitis
DrugObefazimod
Abivax S.A.
Phase 3
1,116
Cambridge, London, Bury, Harrow, Yeovil, Huddersfield
2023-01-16
Recruiting
EMD Serono Research & Development Institute, Inc.
Observational
700
Torquay, Huddersfield, Bedford, Birmingham, Bournemouth, Cardiff, Chelsea, Harrow
2022-10-04
Active, closed
Aymes International Limited
Not applicable
40
Harrow
2022-10-01
Active, closed
Alexion Pharmaceuticals, Inc.
Phase 1
48
Harrow
2022-08-16
Active, closed
Protagonist Therapeutics, Inc.
Phase 3
293
Uxbridge, Barnet, Boston, Harrow, London, Oxford
2022-04-01
Active, closed
Nutricia UK Ltd
Not applicable
100
Ashford, Bristol, Chippenham, Clevedon, Dumfries, Guildford, Harrow, Honiton
2021-09-27
Active, closed
VectivBio AG
Phase 3
158
Harrow, London, Salford
2021-07-13
Active, closed
Medicago
Phase 2/3
30,918
Aberdeen, Birmingham, Bournemouth, Cardiff, Chelmsford, Chorley, Derby, Harrow
2020-11-19
Active, closed
Karyopharm Therapeutics Inc
Phase 2
244
Gloucester, Southampton, Sutton, Harrow, Leeds, Cambridge, Liverpool, London
2014-11
Recruiting
Product Surveillance Registry
NCT01524276Cardiac Rhythm Disorders, Urological Disorders, Neurological Disorders, Cardiovascular Disorders
Medtronic
Observational
100,000
Barnstaple, Birmingham, Blackpool, Bristol, Chelmsford, Glasgow, Harrow, Leeds
2012-01
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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 11 October 2026. https://priyalifescience.com/clinical-trials-uk/city/harrow

Query this register directly
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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: 2,863 studies in total at the last sync on 11 Oct 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 Harrow.

How many clinical trials are recruiting in Harrow?

22 of the 41 studies on this page are recruiting new participants as of the 11 Oct 2026, 03:15 UTC sync. A further 0 have not yet opened recruitment, 19 are active but closed to new participants, and 0 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Harrow), 41 studies
PhaseStudiesRecruitingShare
Phase 319846.3%
Phase 17517.1%
Phase 27417.1%
Observational337.3%
Not applicable204.9%
Phase 1/2224.9%
Phase 2/3102.4%

Most active sponsors

Lead sponsors with the most studies (Harrow)
Lead sponsorStudiesRecruiting
AstraZeneca64
Janssen Research & Development, LLC30
Boehringer Ingelheim22
Novo Nordisk A/S22
Sanofi21
AbbVie11
Abivax S.A.10
Alexion Pharmaceuticals, Inc.10
Aymes International Limited10
Belite Bio, Inc10
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.