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Completed OBSERVATIONAL NCT00146419

Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy (SUN Study)

Sponsor: Centers for Disease Control and Prevention

Conditions HIV Infections Sexually Transmitted Diseases
Interventions Reduction in behaviors capable of sexually transmitting HIV
Updated 9 times since 2017 Last updated: Jul 28, 2015 Started: Mar 31, 2004 Primary completion: Aug 31, 2006 Completion: Jun 30, 2013
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on HIV Infections and Sexually Transmitted Diseases, this trial is completed. The trial is conducted by Centers for Disease Control and Prevention and has accumulated 9 data snapshots since 2004. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

~Jan 2017 – ~Apr 2018 · 15 months · monthly snapshotCompleted~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshotCompleted~Jun 2018 – ~May 2019 · 11 months · monthly snapshotCompleted~May 2019 – ~Apr 2020 · 11 months · monthly snapshotCompleted~Apr 2020 – ~Jan 2021 · 9 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 9 months · monthly snapshotCompleted

Change History

9 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Jan 2021 — Jul 2024 [monthly]

    Completed

  5. Apr 2020 — Jan 2021 [monthly]

    Completed

▶ Show 4 earlier versions

  1. May 2019 — Apr 2020 [monthly]

    Completed

  2. Jun 2018 — May 2019 [monthly]

    Completed

  3. Apr 2018 — Jun 2018 [monthly]

    Completed

    Phase: NA → None

  4. Jan 2017 — Apr 2018 [monthly]

    Completed NA

    First recorded

Mar 2004

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Centers for Disease Control and Prevention
  • Denver Infectious Disease Consultants, PLLC
  • Hennepin Healthcare Research Institute
  • The Miriam Hospital
  • Washington University School of Medicine
Data source: Centers for Disease Control and Prevention

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations