Database of clinical research studies
ClinicalTrials.gov (clinicaltrials.gov) earns a Brand Analyzer score of 84 out of 100, placing it in the Strong Brand tier among Healthcare brands. Among 2305 Healthcare brands analyzed, ClinicalTrials.gov ranks in the 99th percentile (category average 68, leader 95). The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark. Dimension scores: Name Quality 73/100, Digital Presence 100/100, Visual Identity 95/100, Messaging Clarity 95/100, Trust Foundation 90/100, AI Discoverability 74/100, Brand Authority 64/100.
ClinicalTrials.gov is a United States government registry and online database of clinical research studies and their results, managed by the National Library of Medicine. It provides free, public access to detailed information on clinical trials conducted worldwide. The platform serves patients, researchers, healthcare professionals, and study record managers. It is positioned as the authoritative global registry for clinical studies, offering comprehensive study records including trial status, eligibility criteria, and results.
| Brand Name | ClinicalTrials.gov |
|---|---|
| Domain | clinicaltrials.gov |
| Industry | Healthcare |
| Parent Company / Owner | National Library of Medicine |
| CEO | Deborah Zarin |
| Main Competitors | EU Clinical Trials Register, ISRCTN Registry, WHO International Clinical Trials Registry Platform (92/100), ANZCTR, ClinicalTrialsRegister.eu, UMIN Clinical Trials Registry |
Moz Domain Authority 84/100 vs category average 29 / leader 95 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #3,838 on the Tranco list of most-visited sites - strong traffic reinforces the brand's prominence to AI models.
No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.
The homepage meta description reads "ClinicalTrials.gov is a website and online database of clinical research studies and information about their results" (Meta description: 16 words (ideal length). OG description present and descriptive) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: og:title, og:description, Twitter cards, canonical. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Social footprint: verified profiles on Facebook, Instagram, YouTube, GitHub; no detected presence on X (Twitter), LinkedIn - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
ClinicalTrials.gov scores 47/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
ClinicalTrials.gov has a limited AI-visibility profile at 47/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (81/100) and its weakest is visibility (32/100). It benefits from a Wikidata knowledge-graph entry, a global traffic rank of #3,838 (Tranco) and a Moz Domain Authority of 84/100. The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, thin schema.org structured data and no llms.txt to steer AI to its best pages.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
ClinicalTrials.gov is a United States government registry managed by the National Library of Medicine, which establishes it as an authoritative and officially maintained source of clinical trial information. Its government backing and institutional management by the National Library of Medicine lend it strong credibility as a public resource. It is positioned as the authoritative public registry for clinical studies worldwide, suggesting a high level of institutional reliability and oversight.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov offers a free online database and registry of clinical research studies and their results. Its core service includes detailed study records covering clinical trials from around the world. It also provides tools and services for study record managers to register and manage clinical trial records. The platform is accessible to the general public at no cost, positioning itself as a public information resource managed by the National Library of Medicine.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov is a website and online database maintained by the United States government, specifically managed by the National Library of Medicine. It serves as a comprehensive public registry of clinical research studies from around the world, providing access to detailed information about ongoing, completed, and recruiting clinical trials as well as their results. It is positioned as the authoritative public registry and database for clinical studies on a global scale.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov's main competitors include EU Clinical Trials Register, ISRCTN Registry, WHO International Clinical Trials Registry Platform (92/100), ANZCTR, ClinicalTrialsRegister.eu. These companies compete in the Healthcare space for similar customers, offering comparable products or services.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov and WHO International Clinical Trials Registry Platform are competitors in Healthcare. Brand Analyzer scores ClinicalTrials.gov at 84/100 and WHO International Clinical Trials Registry Platform at 92/100. They target overlapping audiences; the right choice depends on your specific needs and priorities.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov provides a comprehensive online database of clinical research studies and their results from around the world. It offers free public access to detailed study records, including information about trial status, eligibility, and outcomes. The platform also supports study record managers in registering and updating trial information. Its function is to make global clinical trial data accessible to patients, researchers, and healthcare professionals in one centralized location.
Sources: ClinicalTrials.gov official site
Popular alternatives to ClinicalTrials.gov include EU Clinical Trials Register, ISRCTN Registry, WHO International Clinical Trials Registry Platform (92/100), ANZCTR, ClinicalTrialsRegister.eu. Each is an established option in the Healthcare space; the best fit depends on your specific needs, budget, and required features.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov has limited AI-search visibility, scoring 47/100 on Brand Analyzer's AI visibility composite (visibility 32, trust 41, recommendation 81). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov is known for being the authoritative public registry and database for clinical studies worldwide. It is recognized as the United States government's official registry of clinical trials, managed by the National Library of Medicine. It is widely noted for providing free access to a vast repository of global clinical trial information, including study records and results, making it a primary resource for anyone seeking information on clinical research.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov is used by patients, researchers, healthcare professionals, and study record managers. Patients may use it to find clinical trials relevant to their health conditions. Researchers and healthcare professionals rely on it for access to clinical trial data, study records, and results. Study record managers use the platform to register and update information about clinical trials. Its broad target audience reflects its role as a comprehensive, publicly accessible registry for clinical research information.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov is popular because it offers free access to a comprehensive, global database of clinical research studies and their results. It serves a broad and diverse audience, including patients seeking treatment options, researchers conducting studies, and healthcare professionals needing clinical data. Its status as an authoritative United States government registry managed by the National Library of Medicine further drives its widespread use as a trusted, centralized source for clinical trial information worldwide.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov scores 81/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest Healthcare options. Recommendation depends on crawlability, structured data, and category authority.
Sources: ClinicalTrials.gov official site
ClinicalTrials.gov can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: ClinicalTrials.gov official site
Ranked closest to ClinicalTrials.gov: Bristol Myers Squibb (84/100), Biotique (84/100), Curology (84/100), Dexcom (84/100).
A step up - brands to learn from: Abbott (91/100), Wolters Kluwer (92/100).
Category leader: Dassault Systèmes (95/100).