Retrieve and Analyze Clinical Trials Data from Public Registers
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Documentation for package ‘ctrdata’ version 1.23.0
Help Pages
| ctrdata | Getting started, database connection, function overview |
| ctrdata-registers | Information on clinical trial registers |
| ctrdata-trial-concepts | Trial concepts implemented across registers |
| ctrFindActiveSubstanceSynonyms | Find synonyms of an active substance |
| ctrGenerateQueries | Generates queries that work across registers |
| ctrGetQueryUrl | Get register name and query parameters from search URL |
| ctrLoadQueryIntoDb | Load and store register trial information |
| ctrOpenSearchPagesInBrowser | Open register to show query results or search page |
| ctrShowOneTrial | Show full structure and all data of a trial |
| dbFindFields | Find names of fields in the database collection |
| dbFindIdsUniqueTrials | Get identifiers of deduplicated trial records |
| dbGetFieldsIntoDf | Create data frame of specified fields or trial concepts from database collection |
| dbQueryHistory | Show history of queries loaded into a database collection |
| dfMergeVariablesRelevel | Merge variables, keeping type where possible, optionally relevel factors |
| dfName2Value | Get value for variable of interest |
| dfTrials2Long | Convert data frame with trial records into long format |
| f.controlType | Calculate type of control data collected in a study |
| f.isMedIntervTrial | Calculate if study is a medicine-interventional study |
| f.isUniqueTrial | Calculate if record is unique for a study |
| f.likelyPlatformTrial | Calculate if study is likely a platform trial or not |
| f.numSites | Calculate number of sites of a study |
| f.numTestArmsSubstances | Calculate number of arms or groups with investigational medicines in a study |
| f.primaryEndpointDescription | Calculate details of a primary endpoint of a study |
| f.primaryEndpointResults | Calculate details of a study's primary endpoint analysis and testing |
| f.resultsDate | Calculate date of results of a study |
| f.sampleSize | Calculate sample size of a study |
| f.sponsorType | Calculate type of sponsor of a study |
| f.startDate | Calculate start date of a study |
| f.statusRecruitment | Calculate status of recruitment of a study |
| f.trialObjectives | Calculate objectives of a study |
| f.trialPhase | Calculate phase of a clinical trial |
| f.trialPopulation | Calculate in- and exclusion criteria and age groups |
| f.trialTitle | Calculate the title of a study |