Composite hash types
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Within the system a hash system is used to help detect changes between successive data extractions and match records. This includes the creation of 'composite hashes' for groups of related records, which have an integer code that indicates the record type. These codes are listed below.
Note that neither the hashes nor the codes feature in the final core MDR database and they do not form part of the JSON files generated by the system.
| id | name | Applies to | source |
|---|---|---|---|
| 11 | Trial Registry ID | Org id should identify the registry. | ECRIN |
| 41 | Regulatory Body ID | Number generated by a national authority when a study applies for authorisation / ethical approval, e.g. IRAS number in the UK, ANSM number in France. | ECRIN |
| 12 | Ethics Review ID | Org id should identify the review body. | ECRIN |
| 13 | Funder's ID | May be a grant id, org id should identify the funder. | ECRIN |
| 14 | Sponsor's ID | Org id should identify the sponsor. | ECRIN |
| 39 | NIH CTRP ID | ID generated by the US NCI for supported cancer trials (in the Clinical Trial Reporting Program). | NIH |
| 40 | DAIDS ID | ID generated for the protocol by the US NIH DAIDs for supported trials (allergy and infectious diseases). | NIH |
| 42 | NHLBI ID | Accession number, from NHLBI study database. | NIH |
