You can access the ClinicalTrials.gov Search (Trials, Sponsors, Sites, Contacts) programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "condition": "obesity",
12    "intervention": "semaglutide"
13};
14
15// Run the Actor and wait for it to finish
16const run = await client.actor("pj_pai/clinical-trials-search").call(input);
17
18// Fetch and print Actor results from the run's dataset (if any)
19console.log('Results from dataset');
20console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
21const { items } = await client.dataset(run.defaultDatasetId).listItems();
22items.forEach((item) => {
23    console.dir(item);
24});
25
26// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

ClinicalTrials.gov Search (Trials, Sponsors, Sites, Contacts) API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use ClinicalTrials.gov Search (Trials, Sponsors, Sites, Contacts) API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

ClinicalTrials.gov Search (Trials, Sponsors, Sites, Contacts) API in Python

ClinicalTrials.gov Search (Trials, Sponsors, Sites, Contacts) API through CLI

ClinicalTrials.gov Search (Trials, Sponsors, Sites, Contacts) OpenAPI definition

ClinicalTrials.gov Search (Trials, Sponsors, Sites, Contacts) API

Clinical Trial Tracker — 500K+ ClinicalTrials.gov

ryanclinton/clinical-trial-tracker

Clinical Trial Tracker is an Apify actor that searches and extracts structured data from ClinicalTrials.gov, the world's largest registry of clinical studies with over 500,000 trials from 221 countries.

Ryan Clinton

Clinical Trials Search — ClinicalTrials.gov to JSON

oblanceolate_mandola/clinical-trials-search

Search ClinicalTrials.gov by condition, drug or sponsor. Trial title, status, phase, sponsor, NCT id as JSON for pharma & biotech AI agents. $4 per 1,000, no coding.

Hassan Hashish

ClinicalTrials.gov Scraper — Trial Search & Bulk Export API

cblu/clinical-trials-scraper

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.

Steven Carleton

Clinical Trials API - ClinicalTrials.gov, ISRCTN, EU CTIS

malonestar/clinical-trials-meta-search

Clinical trials API: search ClinicalTrials.gov, ISRCTN and the EU CTIS register in one call and get deduplicated trial records in a unified schema, with per-registry status on every row and optional patent linkage. Query by condition, drug, sponsor or status. Keyless, official registries.

Kyle Maloney

ClinicalTrials.gov Recruiting Study Monitor

koalastuff/clinical-trials-recruiting-monitor

Search public recruiting clinical studies by condition and location with bounded, deduplicated outputs from the official ClinicalTrials.gov API.

Timo Schmidt

Clinical Trials Search — ClinicalTrials.gov API

scrupulous_waterbird_m4w/clinical-trials-gov

Clinical trials search over the public ClinicalTrials.gov v2 API. Filter by condition, drug, sponsor, phase, status, and location. Returns NCT IDs, phases, sponsors, locations, and summaries.

Mori

Clinical Trials Search (ClinicalTrials.gov, official API)

larkmoor/clinical-trials-search

Search clinical trials by condition, drug/intervention, sponsor, status, phase, location and dates from ClinicalTrials.gov's official API: NCT id, title, status, phase, enrollment, sponsor and collaborators, conditions, interventions, start/completion dates, eligibility, trial sites by city/country

Larkmoor Data

Clinical Trials Scraper — NIH ClinicalTrials.gov Drug Studies

copious_atoll/clinical-trials-scraper

Extract clinical trial data from ClinicalTrials.gov. Search by condition, drug, sponsor. Get trial status, phases, enrollment, results, eligibility criteria. Free NIH API, no proxy needed.

Grim R

ClinicalTrials.gov Scraper – Clinical Trials Search & Monitor

gazidev/clinical-trials-search

Search ClinicalTrials.gov (500,000+ studies) by condition, drug, sponsor, location, status and phase, or look up NCT IDs. Sponsor, phase, enrollment, dates, contacts with emails, study sites, outcomes. New/updated-study monitoring. Official API v2. $1 per 1,000 studies.

Cemal Atakli

ClinicalTrials.gov Scraper — Clinical Trials Data Tracker

nexgendata/clinical-trials-tracker

ClinicalTrials.gov scraper for clinical trials data: status, phase, conditions, sponsors and enrollment as clean JSON, one record per trial. Search by query, condition, sponsor and status. Public regulatory data, not medical advice.