ctrGetQueryUrl {ctrdata}

Get query details

Description

Extracts query parameters and register name from parameter 'url' or from the clipboard, into which the URL of a register search was copied.

Usage

ctrGetQueryUrl(url = "", register = "")

Arguments

url

URL such as from the browser address bar. If not specified, clipboard contents will be checked for a suitable URL. For automatically copying the user's query of a register in a web browser to the clipboard, see here. Can also contain a query term such as from dbQueryHistory()["query-term"].

register

Optional name of register (one of "EUCTR", "CTGOV2" "ISRCTN" or "CTIS") in case 'url' is a query term but not a full URL

Value

A data frame (or tibble, if tibble is loaded) with column names 'query-term' and 'query-register'. The data frame (or tibble) can be passed as such as parameter 'query-term' to ctrLoadQueryIntoDb and as parameter 'url' to ctrOpenSearchPagesInBrowser.

Examples

# user copied into the clipboard the URL from
# the address bar of the browser that shows results
# from a query in one of the trial registers
if (interactive()) try(ctrGetQueryUrl(), silent = TRUE)

# extract query parameters from search result URL
# (URL was cut for the purpose of formatting only)
ctrGetQueryUrl(
    url = paste0(
        "https://classic.clinicaltrials.gov/ct2/results?",
        "cond=&term=AREA%5BMaximumAge%5D+RANGE%5B0+days%2C+28+days%5D",
        "&type=Intr&rslt=&age_v=&gndr=&intr=Drugs%2C+Investigational",
        "&titles=&outc=&spons=&lead=&id=&cntry=&state=&city=&dist=",
        "&locn=&phase=2&rsub=&strd_s=01%2F01%2F2015&strd_e=01%2F01%2F2016",
        "&prcd_s=&prcd_e=&sfpd_s=&sfpd_e=&rfpd_s=&rfpd_e=&lupd_s=&lupd_e=&sort="
    )
)

ctrGetQueryUrl("https://www.clinicaltrialsregister.eu/ctr-search/trial/2007-000371-42/results")
ctrGetQueryUrl("https://euclinicaltrials.eu/ctis-public/view/2022-500041-24-00")
ctrGetQueryUrl("https://classic.clinicaltrials.gov/ct2/show/NCT01492673?cond=neuroblastoma")
ctrGetQueryUrl("https://clinicaltrials.gov/ct2/show/NCT01492673?cond=neuroblastoma")
ctrGetQueryUrl("https://clinicaltrials.gov/study/NCT01467986?aggFilters=ages:child")
ctrGetQueryUrl("https://www.isrctn.com/ISRCTN70039829")