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A Data Package which is a database of public and private registers of clinical trials.

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OpenTrials Public and Private Registries

Gitter Issues Docs

This is data package with information on public and private registries of clinical trials. It intended to be used to track sources of trial data for the OpenTrials platform and to document existing and possible methods of data extraction.

The majority of information about registries comes from the WHO ICTRP (International Clinical Trials Registry Platform) and the websites of the individual registries.

For registers that are members of WHO's ICTRP, another option for data acquisition would be to write a generic parser for the XML dump provided to ICTRP. We would also need to source the dump URL per register.

Existing Tooling for Scraping Clinical Trials Data

ClinicalTrials.gov

Many options for scraping Clinical Trials exist. It is the largest source for structured clinical trials data. The scraper we will use has been started here:

https://github.com/roll/clinicaltrials-scraper

ISRCTN.org

This is currently a very basic scraper for scraping ISRCTN (currently only downloading identifiers e.g. ISRCTN41598423, but can be easily extended).

https://github.com/annapowellsmith/isrctn

EU Clinical Trials Register (EU-CTR)

There are comparatively few options for scraping EU Clinical Trials Register data, but a potentially useful R package for retrieving both CT and EU data exists here.

https://github.com/rfhb/ctrdata

Australian New Zealand Clinical Trials Registry (ANZCTR)

There is an existing scraper written for scraping data from the Australia and New Zealand register here:

https://classic.scraperwiki.com/scrapers/australia_new_zealand_clinical_trials/

https://github.com/tfmorris/australia_new_zealand_clinical_trials/blob/master/scraper.py

Brazilian Clinical Trials Registry (ReBec)

This is both the code and scraper for the Brazilian Clinical Trials Registry. The repo actually contains a very small dump (57 trials in XML form) in the repo. Trials have WHO's UTN (Uniform Trial Number): Another option for data acquisition would be to write a generic parser for registers that provide XML dumps to ICTRP. DUMP_URL = 'http://www.ensaiosclinicos.gov.br/rg/all/xml/ictrp'.

https://github.com/bireme/opentrials/tree/master/data

Japan Primary Registries Network (JPRN)

This is a scraper for the Japanese network of clinical trials. We would most likely create an entirely new scraper:

https://github.com/nick111/MedicalDataCrawl/commit/bdefcfa27009dca60d89edc40a806b19be2dd3a9

Clinical Trial Registry of the University Medical Center Freiburg

No existing tooling found. Would write new scraper.

DeReG - German Registry for Somatic Gene-Transfer Trials

No existing tooling found. Would write new scraper.

Centre for Clinical Trials, University of Hong Kong

No existing tooling found. Would write new scraper.

Chinese Clinical Trial Registry (ChiCTR)

No existing tooling found. Would write new scraper.

Clinical Research Information Service (CRiS), Republic of Korea

No existing tooling found. Would write new scraper.

Clinical Trials Registry - India (CTRI)

No existing tooling found. Would write new scraper.

Cuban Public Registry of Clinical Trials(RPCEC)

No existing tooling found. Would write new scraper.

German Clinical Trials Register (DRKS)

No existing tooling found. Would write new scraper.

Iranian Registry of Clinical Trials (IRCT)

No existing tooling found. Would write new scraper.

Thai Clinical Trials Registry (TCTR)

No existing tooling found. Would write new scraper.

The Netherlands National Trial Register (NTR)

No existing tooling found. Would write new scraper.

Pan African Clinical Trial Registry (PACTR)

No existing tooling found. Would write new scraper.

Sri Lanka Clinical Trials Registry (SLCTR)

No existing tooling found. Would write new scraper.

UMIN CTR Website

No existing tooling found. Would write new scraper.

JapicCTI Website

No existing tooling found. Would write new scraper.

JMACCT CTR Website

No existing tooling found. Would write new scraper.

NIHR Clinical Research Network

No existing tooling found. Would write new scraper.

South African National Clinical Trials Register

No existing tooling found. Would write new scraper.

International Prospective Register of Systematic Reviews

No existing tooling found. Would write new scraper.

Other Tools

ClinicalTrials.gov

Using publicly available and downloadable data from ClinicalTrials.gov, a restructured and reformatted relational database was developed. This is referred to as the database for Aggregate Analysis of ClinicalTrials.gov (AACT).

https://www.ctti-clinicaltrials.org/what-we-do/analysis-dissemination/state-clinical-trials/aact-database

Python classes / functions to parse Clinical Trial data in the form of XML returned from clinicaltrials.gov.

https://github.com/pjfan/ClinicalTrialsParser

Trialverse

Trialverse aims to enable world-wide collaboration on extracting data and meta-data on existing clinical trials, and to eventually reduce the duplication of effort inherent in the current systematic review and evidence-based decision making processes. It is part of ADDIS 2, a drugis.org project, and is currently in early development.

https://github.com/drugis/trialverse

https://trialverse.org/

CrossRef Clinical Trials Importer

Not exactly a scraper, but tooling for importing clinical trials data. Most useful for providing regular expressions (and tests!) for matching different clinical trials identifiers (e.g. ISRCTN41598423, NCT02590237, etc.):

https://github.com/CrossRef/clinical-trials-importer/blob/develop/resources/clinical-trial-registries.edn

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