Doc 0000151822

- ~:. .. ...,_. .. ,., ~ /:/' .r .~ DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE PUBLJC HEALTH SD.VICE 17 March ·1953 Mad•u lutime e1 Meatal HcaiiA A.Uiftioa R.eHVCII Cearcr u.s. hblic Hca!rll Scma H"p!IU t.ulapa, !l;•ftckT . ,. ' I I a ; I (h)P} 1• I' • ~ t I : ~ ! - I ~ I I ! . It t ' I have worked the dose of C-5 up to 100 mg ./70 l<g. of body weight without obtaining any appreciable ' subjective mental effects, or any objective changes in behavior. Cardiovascular effects of the degree seen with C-9 also have not been apparent. The material has been given in alcoholic solution by mouth. It appears to me that this· is a relatively inert drug. Do you wish me to take the dose any higher, or to discontinue study it7 r;,f I have to be in Washington from March 27th through April )rd and will have some free time on Monday, March 31st and on Tuesday April 1st. I could come down for a visit if you so desire •. I ·will give you a call while· in Washington. SincLere ly yours, ~ ~,M.D. Director HI: tkh: lw The page displays a stylized illustration of a bank vault door on the left, rendered in shades of gray and blue, against a black background. To the right of the vault illustration, white text provides information about "The Black Vault," an online database of declassified government documents, specifically mentioning the MKULTRA/Mind Control Collection. The text indicates that this collection comprises over 20,000 declassified pages from the Central Intelligence Agency (CIA) and provides a website address for downloading the collection. The overall visual presentation is graphic and thematic, emphasizing the idea of access to hidden or restricted information. The document appears to be a declassified letter. It features a letterhead from the "Department of Health, Education, and Welfare, Public Health Service," with the "National Institute of Mental Health, Addiction Research Center" identified below. There are several handwritten annotations, including a circled "(6)(3)" and a "151" at the top, and a signature that reads "Harris Isbell, M. D. Director" at the bottom. The content discusses a drug study with mentions of doses, effects, and a potential visit to Washington. A handwritten code "C-647" is visible in the lower left corner.