Evidence map›Paper›PMID 35849148›Full record

ArticleThe Journal of antimicrobial chemotherapy2022

Population pharmacokinetics of apramycin from first-in-human plasma and urine data to support prediction of efficacious dose.

Chenyan Zhao, Anna Chirkova, Staffan Rosenborg, Rodrigo Palma Villar, Johan Lindberg, Sven N Hobbie, Lena E Friberg

Open access · bronzeAbstract readClinical Trial, Phase I
In one paragraph

Article in The Journal of antimicrobial chemotherapy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
4.2field-weighted citation impact, top 6% 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

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 26 citations in OpenAlex.

  1. Drug-resistantClinical microbiology reviews · 2025
    Pooled it
  2. Membrane-Focused Strategies AgainstAntibiotics (Basel, Switzerland) · 2026
    Review
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  11. In vitro susceptibility of Neisseria gonorrhoeae to netilmicin and etimicin in comparison to gentamicin and other aminoglycosides.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2024
    Article
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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

7 authors at 4 institutions in 2 countries.

Chenyan ZhaoDepartment of Pharmacy, Uppsala University, SE-75123, Uppsala, Sweden.ORCID 0000-0001-6910-8480
Anna ChirkovaJuvabis AG, CH-8001, Zurich, Switzerland.
Staffan RosenborgDepartment of Laboratory Medicine, Division of Clinical Pharmacology, Karolinska Institutet, Karolinska University Hospital, Huddinge, SE-14186, Stockholm, Sweden.
Rodrigo Palma VillarDepartment Chemical and Pharmaceutical Safety, RISE Research Institutes of Sweden, Sweden.
Johan LindbergDepartment Chemical and Pharmaceutical Safety, RISE Research Institutes of Sweden, Sweden.
Sven N HobbieInstitute of Medical Microbiology, University of Zurich, CH-8006, Zurich, Switzerland.ORCID 0000-0002-9205-0384
Lena E FribergDepartment of Pharmacy, Uppsala University, SE-75123, Uppsala, Sweden.ORCID 0000-0002-2979-679X
RISE Research Institutes of Sweden · SEUppsala University · SEKarolinska University Hospital · SEUniversity of Zurich · CH

Funding

EFPIAEuropean Union Seventh Framework Programme FP7/2007-2013European Union's Seventh Framework Programme FP7/2007-2013SMESwedish Research Council 2018-03296
6 · The paper itself

Abstract

backgroundApramycin is under development for human use as EBL-1003, a crystalline free base of apramycin, in face of increasing incidence of multidrug-resistant bacteria. Both toxicity and cross-resistance, commonly seen for other aminoglycosides, appear relatively low owing to its distinct chemical structure.

objectivesTo perform a population pharmacokinetic (PPK) analysis and predict an efficacious dose based on data from a first-in-human Phase I trial.

methodsThe drug was administered intravenously over 30 min in five ascending-dose groups ranging from 0.3 to 30 mg/kg. Plasma and urine samples were collected from 30 healthy volunteers. PPK model development was performed stepwise and the final model was used for PTA analysis.

resultsA mammillary four-compartment PPK model, with linear elimination and a renal fractional excretion of 90%, described the data. Apramycin clearance was proportional to the absolute estimated glomerular filtration rate (eGFR). All fixed effect parameters were allometrically scaled to total body weight (TBW). Clearance and steady-state volume of distribution were estimated to 5.5 L/h and 16 L, respectively, for a typical individual with absolute eGFR of 124 mL/min and TBW of 70 kg. PTA analyses demonstrated that the anticipated efficacious dose (30 mg/kg daily, 30 min intravenous infusion) reaches a probability of 96.4% for a free AUC/MIC target of 40, given an MIC of 8 mg/L, in a virtual Phase II patient population with an absolute eGFR extrapolated to 80 mL/min.

conclusionsThe results support further Phase II clinical trials with apramycin at an anticipated efficacious dose of 30 mg/kg once daily.

Indexed as

NebramycinAminoglycosidesAnti-Bacterial AgentsHumansInfusions, IntravenousAminoglycosidesAnti-Bacterial AgentsapramycinNebramycin

Identifiers

PMID35849148
PMCPMC9525081
OpenAlexW4285800634

What OpenQuestion holds

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LicenceCC BY-NC
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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.