Evidence map›Paper›PMID 22106227›Full record

ArticleAntimicrobial agents and chemotherapy2012

Pregnancy-related effects on lamivudine pharmacokinetics in a population study with 228 women.

Sihem Benaboud, Jean Marc Tréluyer, Saik Urien, Stéphane Blanche, Naim Bouazza, Hélène Chappuy, Elisabeth Rey, Emmanuelle Pannier, Ghislaine Firtion, Odile Launay and 1 more

Open access · bronzeAbstract read
In one paragraph

Article in Antimicrobial agents and chemotherapy, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 2 pooled it
1.4field-weighted citation impact, top 20% 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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 2 syntheses or guidelines pooled it, 40 citations in OpenAlex.

  1. Pooled it
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  11. Estimation of Drug Pharmacokinetics from Breast Feeding: A Simple Method Based on Meta-analysis.Journal of advances in medical and pharmaceutical sciences · 2019
    Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Basic obstetric pharmacology.Seminars in perinatology · 2014
    Review
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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

11 authors at 7 institutions in 1 country.

Sihem BenaboudUniversité Paris Descartes, Paris, France. nedjma.benaboud@parisdescartes.fr
Jean Marc Tréluyer
Saik Urien
Stéphane Blanche
Naim Bouazza
Hélène Chappuy
Elisabeth Rey
Emmanuelle Pannier
Ghislaine Firtion
Odile Launay
Déborah Hirt
Assistance Publique – Hôpitaux de Paris · FRClinical Investigation Center Plurithematic Tours · FRDélégation Paris 5 · FRUniversité Paris Cité · FRGroupe Hospitalier Cochin - Port-Royal, Hôtel-Dieu, Broca - La Collégiale · FRHôpital Cochin · FRMaternité Port Royal · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of this study was to describe lamivudine (3TC) pharmacokinetics (PK) in HIV-infected nonpregnant and pregnant women and their fetuses. Samples were collected according to therapeutic drug monitoring from 228 women treated with lamivudine and retrospectively analyzed by a population approach. The samples were also collected from cord blood and amniotic fluid at birth. Lamivudine pharmacokinetics were ascribed to an open two-compartment model with linear absorption and elimination. Mean population parameter estimates (intersubject variability) for women were an absorption rate constant of 1.04 h(-1), an elimination clearance rate of 23.6 (0.266) liters · h(-1), a central volume of distribution of 109 (0.897) liters, an intercompartmental clearance rate of 6.7 liters/h, and a peripheral volume of distribution of 129 liters. A fetal compartment was linked to maternal circulation by mother-to-cord (or fetus) and cord-to-mother rate constants of 0.463 h(-1) and 0.538 h(-1), respectively. The amniotic fluid compartment was connected to the fetal compartment with an elimination rate constant of 0.163 h(-1) and a fixed-constant swallowing flow. The placental transfer expressed as fetal-to-maternal area under the concentration-time curve (AUC) ratio was 0.86, and the lamivudine amniotic fluid accumulation, expressed as the amniotic fluid-to-fetal AUC ratio, was 2.9. Pregnant women had a 22% higher apparent clearance than nonpregnant and parturient women; however, this increase did not lead to subexposure and should not require a dosage adjustment.

Indexed as

AdolescentAdultAmniotic FluidAnti-HIV AgentsArea Under CurveDrug MonitoringFemaleFetal BloodHIV InfectionsHumansLamivudineMaternal-Fetal ExchangeMetabolic Clearance RateModels, BiologicalPregnancyPregnancy Complications, InfectiousAnti-HIV AgentsLamivudineReverse Transcriptase Inhibitors

Identifiers

PMID22106227
PMCPMC3264256
OpenAlexW2155611487

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.