Privacy-friendly alternatives to ISRCTN
The clinical trial registry sites closest to ISRCTN, with the fewest trackers first: what each homepage loads before you accept cookies. ISRCTN itself loads 1 tracker.
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ClinicalTrials.gov
United States government registry of clinical trials
Uses third-party embeds. Compare with ISRCTN →
Very close - 02
EU Clinical Trials Register - Update
The EU Clinical Trials Register provides a free and accurate search of clinical trials in European Union member states and the European Economic Area.
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Very close - 03
UpToDate
medical software company
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Very close - 04
ORCID
non-profit organization that issues ORCID Identifiers
Uses third-party embeds. Compare with ISRCTN →
Very close - 05
DataCite – Connecting Research, Advancing Knowledge - DataCite
international not-for-profit organization which aims to improve data citation
Uses third-party embeds, privacy-friendly analytics. Compare with ISRCTN →
Very close - 06
Making sure you're not a bot!
legal database
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Close - 07
Welcome | IZA - Institute of Labor Economics
Welcome to the IZA@LISER Network website
Uses third-party embeds. Compare with ISRCTN →
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WebDAV Resources
Central resource site for the WebDAV community.
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
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Handle.Net Registry
Handle.Net Registry is a DONA MPA.
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Very close - 10
Client Challenge
non-profit educational organization
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Close - 11
Docs.rs
official documentation website for Rust libraries
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Close - 12
2026 World Records: UNLIMITED categories, FASTEST services, record holder logo!
World Record Academy's Official page: UNLIMITED categories, FASTEST services, LIFETIME listing, World's LARGEST world record database, LEGAL validity, ALL participants listed!
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Very close - 13
SQLite Home Page
serverless relational database management system (RDBMS)
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Close - 14 Very close
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Client Challenge
distributor of eBooks and other digital media
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
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Register, Buy & Manage Domain Names Online | Dynadot
Search 800+ domain extensions, register names at transparent prices, and manage DNS, privacy, email, transfers, renewals, and domain portfolios in Dynadot.
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
Very close - 17
University of Leeds
The University of Leeds is a large UK higher education institution and part of the Russell Group of leading universities.
Uses third-party embeds. Compare with ISRCTN →
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Leading Life Science Research & Clinical Diagnostics | Bio-Rad
Bio-Rad is a global leader in developing and manufacturing a wide range of products for the life science research and clinical diagnostic markets.
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
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The world’s largest portfolio registry for new domains | Radix Registry
Radix is a leading new domain registry, offering an extensive domain portfolio that empowers digital identities across the globe.
No trackers, ad pixels or embeds on its homepage. Compare with ISRCTN →
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World Health Organization (WHO)
The United Nations agency working to promote health, keep the world safe and serve the vulnerable
Uses third-party embeds, tag manager. Compare with ISRCTN →
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Chosen from the ISRCTN alternatives whose homepages we could read, closest first among those with the same number of trackers. A tag manager counts as a tracker: it loads more after you consent.