Pricing

from $2.00 / 1,000 successful lookups

Try for free

Go to Apify Store

ClinicalTrials.gov API — NIH Study Registry Search

Try for free

Look up registered clinical trials by NCT ID against the official, free NIH ClinicalTrials.gov registry. Get status, phase, study type, sponsor, enrollment count, conditions, interventions, and trial site countries. Pay only for NCT IDs that resolve.

Pricing

from $2.00 / 1,000 successful lookups

Rating

0.0

(0)

Developer

Adrian Voss

Actor stats

Bookmarked

Total users

Monthly active users

21 hours ago

Last modified

ClinicalTrials.gov API — Study Protocol & Status Lookup API through CLI

The Apify CLI is the official tool that allows you to use ClinicalTrials.gov API — NIH Study Registry Search locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

ClinicalTrials.gov API — NIH Study Registry Search API in Python

ClinicalTrials.gov API — NIH Study Registry Search API in JavaScript

ClinicalTrials.gov API — NIH Study Registry Search OpenAPI definition

ClinicalTrials.gov API — NIH Study Registry Search API

ClinicalTrials.gov Scraper

datamule/clinicaltrials-gov-scraper

Scrape clinical-trial records from the official ClinicalTrials.gov v2 REST API. Query by condition, intervention, sponsor, status, phase or free text. One record per study — NCT id, title, status, phase, sponsor, conditions, interventions, enrollment, dates, locations + the raw study. Pay per study.

Datamule

ClinicalTrials.gov Scraper — Studies, Sponsors & Phases

hichemdev/clinicaltrials-scraper

Scrape clinical trials from ClinicalTrials.gov: NCT ID, status, phase, sponsor, conditions, interventions, enrollment, eligibility and study sites. Official API, no key.

Hichem Ben Moussa

ClinicalTrials.gov Scraper - Study Registry Data

benthepythondev/clinicaltrials-gov-scraper

Scrape ClinicalTrials.gov study records: NCT IDs, titles, status, conditions, phases, dates and locations.

Ben

ClinicalTrials.gov Search Scraper

moving_beacon-owner1/clinicaltrials-gov-search-scraper

Searches ClinicalTrials.gov for studies matching any keyword query and returns structured trial data including NCT ID, conditions, phases, sponsor, status, interventions, enrollment, and study dates.

Jamshaid Arif

ClinicalTrials.gov Scraper

bgfc97/clinicaltrials-scraper

Scrape clinical trials from ClinicalTrials.gov — NCT ID, title, status, phase, conditions, interventions, sponsor, enrollment, eligibility, locations, dates and summary — by keyword, condition, intervention or sponsor. Official API v2, no key, no proxy.

Bruno

ClinicalTrials.gov Scraper

foo121/clinical-trials-scraper

Export clinical trials by condition, status and phase from ClinicalTrials.gov: NCT ID, title, sponsor, phase, enrollment, locations, interventions, dates. For pharma, CRO and research. Pay per result.

ziv shay

ClinicalTrials.gov Studies Scraper

chrisp1211/clinicaltrials-scraper-max

Scrape clinical trials from ClinicalTrials.gov by condition, intervention or sponsor. Returns NCT ID, title, status, phase, sponsor, enrollment and locations. No API key. Pay per study; empty or failed runs cost nothing.

Christian Pichichero

ClinicalTrials.gov Scraper

alleserojje/clinical-trials-scraper

Search and export clinical studies from ClinicalTrials.gov's official API — condition, phase, status, sponsor, enrollment, locations. Pay per study.

Pedro Resende

ClinicalTrials.gov Scraper — Trials, Phases & Sponsors

devilscrapes/clinicaltrials-gov-scraper

Search ClinicalTrials.gov and export structured trial records — NCT ID, title, phase, status, sponsor, conditions, interventions, enrollment, locations, and start/completion dates — as clean JSON, CSV or Excel.

DevilScrapes

ClinicalTrials.gov Search (flat JSON for agents)

jovian_explorer/clinicaltrials-gov

Search ClinicalTrials.gov by condition, intervention, sponsor, status, phase and country. One flat JSON row per study: NCT id, title, status, phase, sponsor, conditions, interventions, enrollment, dates, locations, link. For AI agents and research tracking.