Evidence map›Paper›PMID 28832411›Full record

ArticleAIDS (London, England)2017

Hair levels of preexposure prophylaxis drugs measure adherence and are associated with renal decline among men/transwomen.

Monica Gandhi, Pamela M Murnane, Peter Bacchetti, Richard Elion, Michael A Kolber, Stephanie E Cohen, Howard Horng, Alexander Louie, Karen Kuncze, Catherine A Koss and 3 more

Registry-linked trialAbstract read
In one paragraph

Article in AIDS (London, England), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05333679 (Urine Tenofovir Point-of-care Test to Identify Patients in Need of ART Adherence Support), which is not on this map. Cited by 41 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed, 3 pooled it
5.2field-weighted citation impact, top 4% of its field
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.

NCT05333679 nacompletednot on this mapstarted 2022, after this paper: background citation

Urine Tenofovir Point-of-care Test to Identify Patients in Need of ART Adherence Support (UTRA Study)

TypeinterventionalSponsorUniversity of California, San FranciscoRan2022 to 2025Enrolled200ConditionsRisk ReductionArmsUTRA, UTRA feedback
3 · Its place in the literature

Who cites it

41 citing papers in PubMed, 3 syntheses or guidelines pooled it, 58 citations in OpenAlex.

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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

13 authors at 7 institutions in 2 countries.

Monica GandhiaDepartment of Medicine, Division of HIV, Infectious Diseases, and Global Medicine bDepartment of Medicine, Center for AIDS Prevention Studies cDepartment of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California dDepartment of Medicine, Whitman-Walker Health, George Washington University School of Medicine, Washington, DC eDepartment of Medicine, Miller School of Medicine, University of Miami, Miami, Florida fSan Francisco Department of Public Health, San Francisco, California gSchool of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, Colorado, USA.
Pamela M Murnane
Peter Bacchetti
Richard Elion
Michael A Kolber
Stephanie E Cohen
Howard Horng
Alexander Louie
Karen Kuncze
Catherine A Koss
Peter L Anderson
Susan Buchbinder
Albert Liu
Office of Infectious Diseases · USSan Francisco Department of Public Health · USUniversity of California, San Francisco · USRegional Center for Prevention and Control of AIDS and Infectious Diseases · RUUniversity of Colorado Denver · USUniversity of Miami · USWhitman-Walker Health · US

Funding

Virology CoreP30AI027763 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI STEVEN Grant DEEKS · 1988 to 2026
$93.6M
Engaging University of California Stakeholders for Biorespository ResearchUL1TR000004 · NCATS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI GRANDIS, JENNIFER RUBIN · 2012 to 2015
$78.0M
San Francisco Vaccine and Prevention UnitUM1AI069496 · NIAID · PUBLIC HEALTH FOUNDATION ENTERPRISES · PI Susan Buchbinder, Diane V Havlir · 2012 to 2026
$30.5M
TRAINEESHIPS IN AIDS PREVENTION STUDIEST32MH019105 · NIMH · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI Carol Suzanne Camlin, Glenn-Milo Santos · 1989 to 2026
$15.3M
UCSF/Kaiser-DOR Program for Developing Independent Women's Health ResearchersK12HD052163 · NICHD · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI ADLER, NANCY E, BRINDIS, CLAIRE D. · 2005 to 2023
$9.3M
Plugging Hair ARV Levels as Adherence Biomarkers into HIV Prevention TrialsR01AI098472 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI GANDHI, MONICA · 2012 to 2021
$5.6M
“Hair Lengthening”: Using Hair Levels to Interpret Long-Acting PrEP Studies.R37AI098472 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI Monica Gandhi · 2023 to 2026
$3.2M
Enhancing PrEP in Community Settings (EPIC)R01MH095628 · NIMH · PUBLIC HEALTH FOUNDATION ENTERPRISES · PI LIU, ALBERT YING-HWA · 2011 to 2015
$2.4M
NCATS NIH HHS UL1 TR000004NIAID NIH HHS P30 AI027763NIAID NIH HHS R01 AI098472NIAID NIH HHS R37 AI098472NIAID NIH HHS UM1 AI069496NICHD NIH HHS K12 HD052163NIMH NIH HHS R01 MH095628NIMH NIH HHS T32 MH019105
6 · The paper itself

Abstract

objectiveThe US preexposure prophylaxis (PrEP) Demonstration Project (U.S. Demo) evaluated MSM on PrEP postmarketing and found low seroconversion rates. The objective of this study is to examine hair levels as an adherence measure to PrEP.

designUsing an 'opt-in' design, participants of PrEP Demo were invited to enroll into a substudy where hair was collected quarterly.

methodsTenofovir concentrations were measured in hair by liquid chromatography/tandem mass spectrometry. Hair levels consistent with ≥4 doses/week (protective in other studies) defined adequate adherence. Mixed effects multivariate logistic regression models examined factors associated with ≥4 doses/week. Separate mixed effects models evaluated the relationship between hair PrEP levels and changes in creatinine clearance (CrCl) over time.

resultsOverall, 58% of U.S. Demo participants enrolled into this opt-in study; reasons for nonparticipation included insufficient hair (61%) and concerns about hairstyle (27%). Hair and dried blood spots levels consistent with ≥4 doses/week were highly concordant (84%). Hair levels showed adequate adherence in 87% of 875 person-visits (among 280 participants). Factors associated with adequate adherence in multivariate models were amphetamine use [adjusted odds ratio (aOR) 2.59 (0.97-6.9, P 0.06)], condomless receptive anal sex [aOR 2.28 (1.19-4.40, P 0.01)], and stable housing [aOR 2.63 (1.03-6.67), P 0.04]. Hair levels of tenofovir showed a monotonic relationship with decline in CrCl (P 0.01 for trend).

conclusionIn this substudy of the U.S. PrEP demonstration project, hair and dried blood spots levels were highly concordant and hair concentrations demonstrated adequate adherence 87% of the time, with stable housing and high-risk behavior associated with higher adherence. Daily PrEP drug taking is associated with modest declines in CrCl.

Indexed as

Drug UtilizationMedication AdherencePre-Exposure ProphylaxisAdultAgedAnti-HIV AgentsBlood Chemical AnalysisFemaleHairHIV InfectionsHumansMaleMiddle AgedTenofovirTransgender PersonsUnited StatesAnti-HIV AgentsTenofovir

Identifiers

PMID28832411
PMCPMC5633521
OpenAlexW2746873130

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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.