April 2026
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Top 10 pdtrials.org Competitors
The Top 10 Sites Like pdtrials.org in April 2026 are ranked by their affinity to pdtrials.org in terms of keyword traffic, audience targeting, and market overlap
PSG Credentialed Sites Map The Parkinson Study Group has over 150 credentialed sites across North & Central America:
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Global Rank
#9,419,006
663,665Bounce Rate
30.26%
Pages per Visit
2.53
Avg Visit Duration
00:01:07
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100%at clinical trials gps, our goal is to provide you with the most comprehensive, up to date information about ongoing clinical research studies, as well as an easy way to participate.
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#1,778,565
528,871Bounce Rate
73.85%
Pages per Visit
4.26
Avg Visit Duration
00:01:56
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82%- Company
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82%ClinLife - find the right clinical trial
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79.13%
Pages per Visit
1.03
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81%Check out our award-winning Parkinson's Today blog for the latest in all things Parkinson's disease from research updates to tips for daily living.
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#109,685
13,406Bounce Rate
52.43%
Pages per Visit
1.95
Avg Visit Duration
00:00:59
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59%Get answers to common questions that are asked by potential donors, fundraisers, grant applicants, awardees, clinical trial participants and more. You can also find contact information within each section if your specific question is not addressed.
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#95,119
352Bounce Rate
54.58%
Pages per Visit
2.87
Avg Visit Duration
00:01:02
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59%- Company
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51%Stress Urinary Incontinence Study
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Bounce Rate
17.92%
Pages per Visit
1.91
Avg Visit Duration
00:00:19
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51%accel research sites is a multi-therapeutic network of clinical research sites dedicated to the expert delivery of treatment options to patients and providers. we partner with the most innovative and significant pharmaceutical, biotechnology, and medical device companies in the world to advance healthcare and wellness in the communities we serve.
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51%the ifpma clinical trials portal offers an easy-to-use interface to search pharmaceutical clinical trials: clinical trials of new medicines for adults and children. the portal, developed by the research-based pharmaceutical industry, improves access to trusted clinical trial information and ensures the industry’s commitment to transparency.
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51%pdtrials.org's top 5 competitors in April 2026 are: parkinson-study-group.org, clinicaltrialsgps.com, paidresearchstudies.org, clinlife.com, and more.
According to Similarweb data of monthly visits, pdtrials.org’s top competitor in April 2026 is parkinson-study-group.org. pdtrials.org 2nd most similar site is clinicaltrialsgps.com, and closing off the top 3 is paidresearchstudies.org.
clinlife.com ranks as the 4th most similar website to pdtrials.org and parkinson.org ranks fifth in April 2026.
The other five competitors in the top 10 list are michaeljfox.org, paidclinicaltrials.org, okanaganclinicaltrials.com, achieveclinical.com, and clinicaltrials.ifpma.org.