Selextract

ClinicalTrials.gov Scraper

Search ClinicalTrials.gov by condition, sponsor, phase and status, and get each study's sponsor, enrollment, dates, interventions and countries.

SelextractOfficialVersion 1 · updated Nov 4, 2026

Inputs

Phase
Optional
phase · Choice · Show only studies in this phase. · default Any phaseAny phase · Early phase 1 · Phase 1 · Phase 2 · Phase 3 · Phase 4 · Not applicable
Other terms (optional)
Optional
terms · Text · A drug, a treatment or any other word, like semaglutide.
Status
Optional
status · Choice · Show only studies with this status. · default Any statusAny status · Recruiting or about to recruit · Active (recruiting or running) · Completed · Stopped early
Sponsor (optional)
Optional
sponsor · Text · The company or institution running the study, like Novo Nordisk.
Location (optional)
Optional
location · Text · A country, state or city where the study has a site, like Germany or Boston.
Condition or disease
Optional
condition · Text · Like obesity or breast cancer. Fill in this field, other terms or a sponsor.
Number of studies
Optional
max_results · Whole number · Up to 1,000 studies. · default 100
Updated since (optional)
Optional
updated_since · Text · Show only studies added or changed on or after this date.

Sample output

The publisher hasn't shared a sample.

About

What you get

One row per study: NCT number, title, status, phase, study type, conditions, interventions, sponsor, collaborators, enrollment, start and completion dates, first posted and last updated dates, countries, number of sites and a link to the study.

How to use it

Enter a condition, a drug or other term, or a sponsor, or combine them. Then narrow the results by status, phase, location or last update. You can get up to 1,000 studies per run.

Good to know

  • The data comes from the public ClinicalTrials.gov API, run by the US National Library of Medicine.
  • Contact names, emails and phone numbers aren't included.
  • To catch new and changed studies, schedule a weekly run with Updated since set to last week.
  • Runs use your own Selextract credit.