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The Merck 023 / STEP HIV Vaccine Study Update

The following press releases contain important information about the outcome of the study's interim analysis.

  • December 5, 2007 - Click here to download the joint Merck & Co., Inc. and HIV Vaccine Trials Network (HVTN) Question and Answer document regarding trials using the MRK Ad5 gag/pol/nef vaccine.
  • November 13, 2007 - Click here to download the joint Merck & Co., Inc. and HIV Vaccine Trials Network (HVTN) press release regarding unblinding of study volunteers.
  • November 9, 2007 - Click here to visit the HVTN's website to see the presentation of findings from the November 2007 HVTN Conference.
  • November 7, 2007 - To read the HVTN's press release, "Data from STEP Study Presented at Open Scientific Session Confirm Merck's Investigational HIV Vaccine was not Effective," click here.
  • October 23, 2007 - Click here to download the Update on the STEP and Phambili HIV Vaccine Trials.
  • September 21, 2007 - Click here to download the joint Merck & Co., Inc. and HVTN press release about the results of the study's interim analysis.