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Extract trial and review registration identifiers from text

Source: R/rt_registration.R
rt_trial_ids.Rd

Finds registry identifiers (ClinicalTrials.gov NCT numbers, ISRCTN, PROSPERO, ChiCTR, DRKS, ANZCTR, IRCT, UMIN, jRCT, CTRI, PACTR, KCT, EudraCT, CTIS and INPLASY) in text, typically the `register_text` returned by [rt_all_pmc()] or [rt_register()].

Usage

rt_trial_ids(text)

Arguments

text

A character vector.

Value

A tibble with one row per identifier found: the position in `text` (`element`), the `registry` and the `trial_id` (upper-cased, with spaces removed). Identifiers repeated within an element are listed once.

See also

[rt_registration_timing()]

Examples

rt_trial_ids(c(
  "Registered at ClinicalTrials.gov (NCT04368728) and ISRCTN12345678.",
  "PROSPERO CRD42020123456",
  "No registration."
))
#> # A tibble: 3 × 3
#>   element registry           trial_id      
#>     <int> <chr>              <chr>         
#> 1       1 ClinicalTrials.gov NCT04368728   
#> 2       1 ISRCTN             ISRCTN12345678
#> 3       2 PROSPERO           CRD42020123456