Pricing

from $2.00 / 1,000 successful lookups

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ClinicalTrials.gov API: Bulk NCT ID Lookup, NIH Registry

Try for free

NCT ID lookup without an API key: look up a list of NCT IDs against the official free NIH ClinicalTrials.gov registry and get each trial's status, phase, study type, sponsor, enrollment count, conditions, interventions and site countries. Send clinical trial data to Google Sheets.

Pricing

from $2.00 / 1,000 successful lookups

Rating

0.0

(0)

Developer

Adrian Voss

Actor stats

Bookmarked

Total users

Monthly active users

6 days ago

Last modified

Categories

Developer tools

Education

NCT IDs to look up

nctIds

Required

One NCT ID per line, e.g. NCT04280705. Accepted formats: NCT04280705. You're only charged for the ones we actually find — a miss costs nothing.

Type:array

Try it first — only process the first 5

testRun

Optional

Turn this on to test your input on a small sample before running the full list. Turn it off to process everything.

Type:boolean

Default:false

Hide rows with no result

onlyFound

Optional

Only keep rows where something was actually found. Misses are always free, whether or not you show them here.

Type:boolean

Default:false

Only keep rows containing

includeKeywords

Optional

Optional. Only keep results that mention at least one of these words (e.g. a job title, a city, a product name). Leave empty to keep everything.

Type:array

Skip rows containing

excludeKeywords

Optional

Optional. Drop any result that mentions one of these words. Leave empty to skip nothing.

Type:array

Stop after this many results

maxResults

Optional

Optional. Stop the run once this many results have been found — useful for a quick, cheap sample. Leave blank for no limit.

Type:integer | null

Minimum:1

Which columns do you want?

columns

Optional

Choose which pieces of information to include in each result row. All are included by default.

Type:string[]

Default:

[
  "title",
  "nctId",
  "overallStatus",
  "phase",
  "studyType",
  "startDate",
  "completionDate",
  "enrollment",
  "leadSponsor",
  "conditions",
  "interventions",
  "locationCountries",
  "locationCount",
  "briefSummary",
  "officialTitle"
]

Max concurrency

maxConcurrency

Optional

Parallel requests. Keep conservative — this target has no browser fallback, so getting blocked costs more than slow-and-steady.

Type:integer

Minimum:1

Maximum:20

Default:5

Proxy configuration

proxyConfiguration

Optional

Apify Proxy config. Residential recommended for anti-bot-sensitive targets.

Type:object

Default:

{
  "useApifyProxy": true
}

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