Clinical Trial Facts & Figures

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View charts on Public Attitudes and Perceptions

Segmentation of US Clinical Trials by Therapeutic Area
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Distribution of Delays in U.S. Site Enrollment Timelines
(Percent of Sites)

Distribution of Delays in U.S. Site Enrollment Timelines
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

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Distribution of Delays in Site Enrollment Globally:
U.S., Europe, Latin America, and Asia Pacific
(Percent of Sites)

Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Time Consumed by Various Clinical Trial Activities
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

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Recent Estimates of the Costs of Developing New Drugs
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Segmentation of Active FDA-Regulated Clinical Trials for Drugs by Therapeutic Category
(based on active drug INDs as of year-end 2008)

% of Trials

Cardiovascular	6.5%
Neurology	9.4%
Psychiatry	5.2%
Anesthesia/Analgesia/Rheumatology	9.4%
Metabolism/Endocrine	7.4%
Pulmonary/Allergy	4.8%
Gastroenterology	5.5%
Dermatology/Dental	7.0%

Reproductive/Urologic	7.0%
Anti-infective/Ophthalmologic	7.6%
Antiviral	5.6%
Special Pathogens/Transplant	3.3%
Oncology	14.7%
Medical Imaging/Hematology	4.3%
Nonprescription Drugs	2.4%

Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Mean Cost per Patient in Clinical Trials by Clinical Phase, Worldwide, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

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Mean Patient Reimbursement Per Visit in Clinical Trials by Phase, Worldwide, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Mean Patient Reimbursement Per Visit in Clinical Trials by Therapeutic Area, Worldwide, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

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Index of Mean Cost per Patient in Clinical Trials by Clinical Phase, Worldwide, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Index of Mean Cost per Patient in Clinical Trials by Therapeutic Area, Worldwide, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

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Index of Mean Phase I Cost per Patient in Clinical Trials by Therapeutic Area, US, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Index of Mean Phase II Cost per Patient in Clinical Trials by Therapeutic Area, US, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

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Index of Mean Phase III Cost per Patient in Clinical Trials by Therapeutic Area, US, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

Index of Mean Phase IV Cost per Patient in Clinical Trials by Therapeutic Area, US, 2006-2008
Source: Parexel's Bio/Pharmaceutical R&D Statistical Sourcebook 2009/2010

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