May 2026
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Top 10 clinicaltrials.com Competitors
The Top 10 Sites Like clinicaltrials.com in May 2026 are ranked by their affinity to clinicaltrials.com in terms of keyword traffic, audience targeting, and market overlap
CenterWatch Research Hub Trusted thought leadership, transformative training, and essential clinical trial resources. Benchmark Reports In-Focus Topics Latest
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#230,308
25,497Bounce Rate
43.17%
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2.42
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00:00:58
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77%novartis is a global healthcare company based in switzerland that provides solutions to address the evolving needs of patients worldwide.
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75%Interested in being a part of a paid clinical trial in Los Angeles & Orange County? Learn about our paid clinical trials available.
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- WCCT Global, LLC
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74%The National Cancer Institute (NCI) website serves to disseminate authoritative, evidence-based, and up-to-date information about cancer and NCI-supported cancer research. Much of the information is available for content reuse and syndication.
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- NCI Cancer Hospital
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#24,173
2,739Bounce Rate
65.56%
Pages per Visit
2.04
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00:01:47
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63%health.gov is your portal for health-related resources and news from the u.s. government. find prevention topics, dietary and physical activity guidelines, and other health resources.
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49%dana-farber cancer institute in boston, ma, is a world leader in adult and pediatric cancer treatment and research. our oncologists and cancer researchers practice and develop some of the most advanced cancer treatments in the world.
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- Dana-Farber Cancer Institute
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- Health > Health - Other
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#101,353
7,820Bounce Rate
51.74%
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2.38
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00:01:44
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Before agreeing to participate in a clinical trial, you should have a very good understanding of the benefits and risks of doing so. The following FAQ might be helpful to you in making your decision.
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47%clinicaltrials.com's top 5 competitors in May 2026 are: centerwatch.com, controlled-trials.com, acr-research.com, novartisclinicaltrials.com, and more.
According to Similarweb data of monthly visits, clinicaltrials.com’s top competitor in May 2026 is centerwatch.com. clinicaltrials.com 2nd most similar site is controlled-trials.com, and closing off the top 3 is acr-research.com.
novartisclinicaltrials.com ranks as the 4th most similar website to clinicaltrials.com and wcct.com ranks fifth in May 2026.
The other five competitors in the top 10 list are cancer.gov, healthfinder.gov, dana-farber.org, sheffieldclinicaltrials.co.uk, and acmr.org.