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Top 10 Site Cluster Analysis Summary


TrialSite News LLC maintains comprehensive global research investigator site data bases. We continue to undertake comprehensive analyses of registered investigator sites worldwide.  The ongoing results fascinating.  The top 10 countries include 1) USA  2) France  3) Italy 4) China 5) China 6) Canada 7) Germany 8) Spain 9) UK and 10) Korea.  The distribution is highly skewed toward lower end overall. US by far represents largest proportion (over 50%). Clusters by region and by city within country are even more telling. The geographic distribution of sites paints a certain picture.  The data represented by different attributes (phase, therapeutic area, etc.) raises more questions than answers).


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