Evidence map›Paper›PMID 28639995›Full record

Trial reportJournal of acquired immune deficiency syndromes (1999)2017

Brief Report: Recovery of Bone Mineral Density After Discontinuation of Tenofovir-Based HIV Pre-exposure Prophylaxis.

David V Glidden, Kathleen Mulligan, Vanessa McMahan, Peter L Anderson, Juan Guanira, Suwat Chariyalertsak, Susan P Buchbinder, Linda Gail Bekker, Mauro Schechter, Beatriz Grinsztejn and 1 more

Registry-linked trialAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Journal of acquired immune deficiency syndromes (1999), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00458393 (Chemoprophylaxis for HIV Prevention in Men), which is not on this map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT00458393 phase3completednot on this map

Chemoprophylaxis for HIV Prevention in Men

TypeinterventionalSponsorNational Institute of Allergy and Infectious Diseases (NIAID)Ran2007 to 2014Enrolled2,499ConditionsHIV InfectionsArmsdaily TDF/FTC, Placebo
3 · Its place in the literature

Who cites it

19 citing papers in PubMed.

  1. Trial
  2. Bone Changes With Long-Acting Cabotegravir or Tenofovir Disoproxil Fumarate/Emtricitabine for HIV Prevention in Cisgender Men and Transgender Women: HPTN 083.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2025
    Trial
  3. Trial
  4. Trial
  5. Article
  6. Article
  7. Article
  8. Review
  9. People living with HIV and fracture risk.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2020
    Review
  10. Article
  11. Preexposure Prophylaxis for Prevention of HIV Acquisition Among Adolescents: Clinical Considerations, 2020.MMWR. Recommendations and reports : Morbidity and mortality weekly report. Recommendations and reports · 2020
    Article
  12. Article
  13. Review
  14. Article
  15. Review
  16. Primary Care Physician Attitudes and Intentions Toward the Use of HIV Pre-exposure Prophylaxis in Adolescents in One Metropolitan Region.The Journal of adolescent health : official publication of the Society for Adolescent Medicine · 2019
    Article
  17. Review
  18. Article
  19. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

David V Glidden*Departments of Epidemiology and Biostatistics; †Medicine,University of California, San Francisco, San Francisco, CA; ‡Department of Health Services, University of Washington, Seattle, WA; §Department of Pharmaceutical Sciences, University of Colorado, Denver, Aurora, CO; ∥Investigaciones Médicas en Salud, Lima, Peru; ¶Research Institute for Health Sciences, Chiang Mai University, Chiang Mai, Thailand; #Bridge HIV, San Francisco Department of Public Health, San Francisco, CA; **Department of Medicine, Desmond Tutu HIV Foundation, Cape Town, South Africa; ††Projeto Praça Onze, Hospital Escola São Francisco de Assis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; ‡‡Evandro Chagas National Institute of Infectious Diseases-Fiocruz, Rio de Janeiro, Brazil; and §§Gladstone Institute of Virology and San Francisco AIDS Foundation, San Francisco, CA.
Kathleen Mulligan
Vanessa McMahan
Peter L Anderson
Juan Guanira
Suwat Chariyalertsak
Susan P Buchbinder
Linda Gail Bekker
Mauro Schechter
Beatriz Grinsztejn
Robert M Grant

Funding

LOC: HIV Prevention Trials NetworkUM1AI068619 · NIAID · FAMILY HEALTH INTERNATIONAL · PI Sinead Delany-Moretlwe, RAPHAEL J LANDOVITZ · 2011 to 2026
$779.5M
Chemoprophylaxis for HIV Prevention in Men SupplementU01AI064002 · NIAID · J. DAVID GLADSTONE INSTITUTES · PI GRANT, ROBERT M. · 2005 to 2011
$41.3M
San Francisco Vaccine and Prevention UnitUM1AI069496 · NIAID · PUBLIC HEALTH FOUNDATION ENTERPRISES · PI Susan Buchbinder, Diane V Havlir · 2012 to 2026
$30.5M
The FIOCRUZ Therapeutic and Prevention HIV/AIDS Clinical Trials Unit (FioTrials)UM1AI069476 · NIAID · FUNDACAO OSWALDO CRUZ · PI BEATRIZ GRINSZTEJN · 2012 to 2026
$26.3M
San Francisco Vaccine and Prevention UnitU01AI069496 · NIAID · PUBLIC HEALTH FOUNDATION ENTERPRISES · PI BUCHBINDER, SUSAN · 2007 to 2011
$7.3M
Chemoprophylaxis and HIV Host InteractionsR01AI118575 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI GRANT, ROBERT M. · 2015 to 2019
$2.9M
PrEP and ART adherence monitoring using dried blood spotsU01AI106499 · NIAID · UNIVERSITY OF COLORADO DENVER · PI ANDERSON, PETER L. · 2013 to 2016
$2.9M
Comparison of Pharmacologic Markers of Exposure to HIV Pre-Exposure ProphylaxisR03AI122908 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI GLIDDEN, DAVID V. · 2016 to 2017
$159k
Chemoprophylaxis for HIV Prevention: Analysis of Bone and Metabolic EffectsR03AI120819 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI GLIDDEN, DAVID V. · 2015 to 2016
$158k
NIAID NIH HHS R01 AI118575NIAID NIH HHS R03 AI120819NIAID NIH HHS R03 AI122908NIAID NIH HHS U01 AI064002NIAID NIH HHS U01 AI069496NIAID NIH HHS U01 AI106499NIAID NIH HHS UM1 AI068619NIAID NIH HHS UM1 AI069476NIAID NIH HHS UM1 AI069496
6 · The paper itself

Abstract

backgroundOral tenofovir disoproxil fumarate (TDF) for HIV prevention and treatment is associated with decreases in bone mineral density (BMD). Previous reports suggest that these changes may be reversible after discontinuation of TDF.

settingA metabolic substudy of 498 participants in a randomized, placebo-controlled HIV prevention trial of oral coformulated TDF with emtricitabine (TDF/FTC, Truvada) for HIV pre-exposure prophylaxis (PrEP) enrolling a global sample of men who have sex with men and trans women.

methodsParticipants underwent dual X-ray absorptiometry to quantify bone mineral density (BMD) in the hip and spine during PrEP and at 2 visits after stopping (median of 23 and 79 weeks post-PrEP, respectively). Results are stratified by pharmacologic measure of TDF/FTC adherence.

resultsThere was no significant difference in change in hip/spine BMD at any time point between placebo and those with low adherence. Adherent participants had a mean (standard error) BMD change at TDF/FTC discontinuation of -1.02% (0.24) in the hip and -1.84% (0.36) in the spine. After stop, annualized BMD increases of 1.13% per year (0.27) in hip and 1.81% per year (0.36) in spine BMD were observed in adherent participants compared with 0.19% (0.16) and 0.74% (0.21) in the placebo group, respectively (P = 0.003, both comparisons). On average, BMD returned to baseline levels by 1 year after PrEP stop. Recovery was consistent across age, baseline BMD z-score, and treatment duration.

conclusionsMean BMD returns to baseline levels within 12-18 months after TDF-based PrEP discontinuation in both hip and spine with consistency across participant subgroups. CLINICAL TRIALS REGISTRATION: clinicaltrials.gov NCT00458393.

Indexed as

Pre-Exposure ProphylaxisAbsorptiometry, PhotonAdultAnti-HIV AgentsBone DensityBone DiseasesEmtricitabineFemaleFollow-Up StudiesHIV InfectionsHomosexuality, MaleHumansMalePatient ComplianceTenofovirAnti-HIV AgentsEmtricitabineTenofovir

Identifiers

PMID28639995
PMCPMC5597476

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.