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Government Funding Lapse

Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit  cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at OPM.gov.

Annual Study Update

The Annual Study Update (ASU) was used to ascertain cancer diagnosis. The ASU was mailed annually to participants who were alive and remained in the study. Participants were asked if they were diagnosed with cancer, the type of cancer, date of diagnosis, hospital or clinic of diagnosis and physician contact information. In addition, men were asked if they were taking Proscar or Propecia (Finasteride).

Over 1.7 million ASUs were expected for participants who were alive and remained in the study through 2009. Of those expected ASUs, 93% were completed.

Annual Study Update data and documentation are incorporated into each of the cancer datasets.

Data was collected on the following form: