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VA Cooperative Studies Program (CSP)


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Our Studies

The Department of Veterans Affairs (VA) Cooperative Studies Program (CSP) has performed more than 200 research studies that have influenced how physicians treat patients in areas that include cancer, heart disease, diabetes, infectious diseases, and mental health conditions.

Today, in more than 80 VA medical centers across the country, our investigators—among the best scientists and clinicians in the country—continue their search for the safest and most effective ways to help Veterans and other patients like you.

CSP Active Studies websites -

CSP #2004 :Microbiota or Placebo after Antimicrobial Therapy for Recurrent C. difficile at Home

CSP #2005 :Surgery or Stereotactic Radiotherapy for Early-Stage Lung Cancer

CSP #2018 :Growth Hormone Replacement Therapy in Veterans with mild Traumatic Brain Injury (mTBI) and Adult Growth Hormone Deficiency (AGHD); The GRIT Study

CSP #2023 :PREventing liver cancer Mortality through Imaging with Ultrasond vs. MRI (PREMIUM)

CSP #575-B :Genomics of Posttraumatic Stress Disorder in Veterans

 CSP #597 :Diuretic Comparison Project

Updated March 2023

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