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ClinicalTrials.gov Search — Trials, Sponsors and Sites

Try for free

Search the US registry of clinical studies by condition, drug, sponsor, phase, status and country, and get back flat rows: title, sponsor, phase, enrollment, eligibility, primary outcome and the recruiting sites. Public NIH data, no key.

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Pay per event

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Benjamin Jerez

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ClinicalTrials.gov Search — Trials, Sponsors and Sites API through CLI

The Apify CLI is the official tool that allows you to use ClinicalTrials.gov Search — Trials, Sponsors and Sites 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 Search — Trials, Sponsors and Sites API in Python

ClinicalTrials.gov Search — Trials, Sponsors and Sites API in JavaScript

ClinicalTrials.gov Search — Trials, Sponsors and Sites OpenAPI definition

ClinicalTrials.gov Search — Trials, Sponsors and Sites API

ClinicalTrials.gov Scraper - Trials, Sites & Sponsor Leads

scrapesage/clinical-trials-scraper

Scrape ClinicalTrials.gov by condition, drug, sponsor, phase, status or location. Rich trial records, research-site & investigator contact leads, and sponsor pipeline analytics. Keyless, no browser, monitor mode. Independent tool, not affiliated with any government agency.

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ClinicalTrials.gov Scraper — Trial Search & Bulk Export API

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Search ClinicalTrials.gov (official NIH API v2): filter by condition, intervention, phase, status, sponsor type, and site location. Flat JSON with sponsor, sites, and named principal investigators with contacts. Pay per study.

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ClinicalTrials.gov Scraper – Condition, Phase & Site Mode

fetchsmith/clinicaltrials-scraper

Scrape ClinicalTrials.gov official NIH API: condition, intervention, sponsor, location, facility and lead-sponsor filters, plus six date windows. Optional one-row-per-site mode. No contact PII, ever. Optional watchLabel mode returns only studies new since your last run. $0.0015/result, no start fee.

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Clinical Trials - ClinicalTrials.gov Registry

loopchips/clinical-trials

Search the official US clinical trial registry and get clean rows: condition, intervention, phase, sponsor, enrolment, sites, countries and dates. Filter to recruiting studies or industry sponsors. No API key needed.

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ClinicalTrials.gov Search Scraper

brightpath-data/clinicaltrials-gov-search

Search ClinicalTrials.gov by condition, drug, sponsor, location, status or phase and export clean, flat trial records as JSON or CSV. Official API, pay per result, MCP ready.

Nick Randall

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.

Quiet Kits

ClinicalTrials.gov Scraper - Clinical Trial Data API

pink_comic/clinicaltrials-gov-search

Scrape ClinicalTrials.gov clinical trial data by condition, drug, sponsor, phase, status, or NCT ID. Get structured studies, sites, enrollment, eligibility, interventions, and pharma pipeline signals. No API key needed; pay per result.

Ava Torres

ClinicalTrials.gov

maximedupre/clinicaltrials-gov

Search ClinicalTrials.gov by words, condition, intervention, sponsor, location, status, or phase. Get study details, eligibility, sites, outcomes, dates, and source links.

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Clinical Trials API - Normalized ClinicalTrials.gov Data

webdata_labs/clinical-trials-api

[💵 $1.00 / 1K] Clean, normalized clinical trials from ClinicalTrials.gov: parsed eligibility (inclusion/exclusion + age), phase, status, sponsors, interventions, outcomes, and flattened study sites with geo. Not a raw study dump.