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A Comparison of Two Ways to Manage Anti-HIV Treatment (The SMART Study)

This study has been terminated.
Information provided by National Institute of Allergy and Infectious Diseases (NIAID)

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Descriptive Information Fields
Brief Title  A Comparison of Two Ways to Manage Anti-HIV Treatment (The SMART Study)
Official Title  A Large, Simple Trial Comparing Two Strategies for Management of Anti-Retroviral Therapy (The SMART Study)
Brief Summary

The purpose of this study is to compare two ways of using anti-HIV drugs to help health care providers and patients decide how to best use anti-HIV treatments over many years. Many health care providers now treat patients with daily drugs to keep the viral load as low as possible. This approach helps patients with CD4 counts less than 200-250 cells/mm3 live longer without serious diseases. But it is not known if this is the best way to treat patients with higher CD4 counts. There is information suggesting that these patients may be able to wait to use anti-HIV drugs while CD4 counts are above 250 cells/mm3. Because this study will be carried out over several years, it will provide information on the long-term advantages and disadvantages of these two treatment strategies.

Detailed Description

Implementation of antiretroviral treatment (ART) guidelines, which emphasize maximal and durable suppression of viral load for the majority of individuals infected with HIV, has resulted in a substantial decline in morbidity and mortality. However, many asymptomatic patients are not at immediate risk of serious opportunistic diseases, the effectiveness of ART wanes over time due to HIV drug resistance, and there are short- and long-term toxicities of treatment. This motivates a comparison of two strategies: one which conserves treatments by deferring their use while the risk of opportunistic disease is low and one which aims for sustained virologic suppression, irrespective of disease risk.

In this large, long-term trial, patients will be randomly assigned to either the drug conservation (DC) or viral suppression (VS) group. Patients will be enrolled over a 3-year period and followed for an average of 7.5 years. The DC group will stop or defer ART until CD4 cell count declines to below 250 cells/mm3; they will then receive treatment to increase CD4 count to greater than 350 cells/mm3 followed by episodic ART based on CD4 cell count. The VS group will use ART to maintain viral load as low as possible, irrespective of CD4 cell count. Patients will be seen Months 1, 2, 4, 6, 8, 10, and 12, then every 4 months for data collection visits. All available ARTs, including immunomodulators, and resistance testing may be used by patients in both treatment groups. Selected subsamples of patients enrolled in the study will be followed with more intensive data collection for secondary outcomes relating to cost and health care utilization, quality of life, HIV transmission risk behaviors, and metabolic complications of treatment.

Study Phase
Study Type  Observational
Study Design  Prospective
Primary Outcome Measure 
Secondary Outcome Measure 
Condition  HIV Infections
Intervention 
MEDLINE PMIDs 10889597,   10647802,   11071184,   12198623,   10716500
Links Click here for the NIH News press release, "International HIV/AIDS Trial Finds Continuous Antiretroviral Therapy Superior to Episodic Therapy," 01/18/06 This link exits the ClinicalTrials.gov site
Haga clic aquí para ver información sobre este ensayo clínico en español. This link exits the ClinicalTrials.gov site
Recruitment Information Fields
Recruitment Status  Terminated
Enrollment  6000
Start Date 
Completion Date
Eligibility Criteria 

Note: Enrollment into this trial was halted 01/11/06.

Inclusion Criteria:

  • HIV infection
  • CD4 cell count greater than 350 cells/mm3 within 45 days of study entry
  • Willing to start, change, or stop antiretroviral therapy
  • Acceptable methods of contraception
  • Good health at the time of study entry
  • Available for the study for at least 6 months
  • Able, in the clinician's opinion, to comply with the protocol

Exclusion Criteria:

  • Currently participating in the MDR-HIV, NvR study, or another study which is not consistent with one of the treatment groups in this study. CPCRA FIRST participants may be screened for SMART after August 8, 2005 and can be randomized into SMART on or after September 19, 2005.
  • Pregnant or breast-feeding
Gender Both
Ages 13 Years and older
Accepts Healthy Volunteers No
Contacts ††
Location Countries  United States,   Argentina,   Australia,   Austria,   Belgium,   Brazil,   Canada,   Estonia,   France,   Germany,   Ireland,   Israel,   Italy,   Japan,   Lithuania,   Luxembourg,   Martinique,   New Zealand,   Norway,   Peru,   Poland,   Puerto Rico,   Spain,   Switzerland,   Thailand,   United Kingdom
Administrative Information Fields
NCT ID  NCT00027352
Organization ID CPCRA 065
Secondary IDs †† SMART
Study Sponsor  National Institute of Allergy and Infectious Diseases (NIAID)
Collaborators ††
Investigators 
Study Chair:     Wafaa El-Sadr, MD, MPH     Harlem AIDS Treatment Group, Harlem Hospital Center    
Study Chair:     James Neaton, PhD     CPCRA Statistcal and Data Management Center / CCBR    
Information Provided By National Institute of Allergy and Infectious Diseases (NIAID)
Verification Date July 2006
First Received Date  December 4, 2001
Last Updated Date January 10, 2008

 †    Required WHO trial registration data element.
††   WHO trial registration data element that is required only if it exists.




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