seodata.dev

keyword

clinical trial subjects

Monthly search volume and cost-per-click data for "clinical trial subjects" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=clinical+trial+subjects&country=us" +--------------+------------------+ | volume | 30 | | cpc | $20 | | competition | 0.23 | | country | US | | updated | 2026-06-18 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
clinical trial 40,500 $9.95 5/20
trial clinic 33,100 $5.12 6/20
clinical trials 33,100 $5.12 5/20
what is a clinical study 2,900 $3.67 5/20
clinical studies definition 1,600 $3.42 6/20
clinical study definition 1,600 $3.71 5/20
clinical trial definition 1,300 $4.31 5/20
clinical trials information 50 $12.45 5/20
clinical research means a patient must 30 $0 8/20
what is a clinical trial 0 $0 6/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=clinical+trial+subjects&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt