Evidence map›Paper›PMID 36180816›Full record

Trial reportClinical pharmacokinetics2022

Characterizing Absorption Properties of Dispersible Pretomanid Tablets Using Population Pharmacokinetic Modelling.

Yuanxi Zou, Jerry Nedelman, Antonio Lombardi, Frances Pappas, Mats O Karlsson, Elin M Svensson

Registry-linked trialOpen access · hybridAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Clinical pharmacokinetics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04309656 (An Open-label, Randomized, Four-period, Crossover Study in Two Panels of Healthy Adult Subjects to Assess the Relative Bioavailability, Food Effect, and Dose-dependence of Single-dose Immediate-release and Single-dose Dispersible Formulations of Pretomanid), which is not on this map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
1.1field-weighted citation impact, top 19% 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.

NCT04309656 phase1completednot on this map

An Open-label, Randomized, Four-period, Crossover Study in Two Panels of Healthy Adult Subjects to Assess the Relative Bioavailability, Food Effect, and Dose-dependence of Single-dose Immediate-release and Single-dose Dispersible Formulations of Pretomanid

TypeinterventionalSponsorGlobal Alliance for TB Drug DevelopmentRan2020 to 2020Enrolled48ConditionsMulti-drug Resistant TuberculosisArmsPretomanid
3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 3 citations in OpenAlex.

  1. Trial
  2. Article
  3. 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

6 authors at 2 institutions in 3 countries.

Yuanxi ZouDepartment of Pharmacy, Uppsala University, Uppsala, Sweden.ORCID 0000-0003-0547-390X
Jerry NedelmanTB Alliance, New York, NY, USA.
Antonio LombardiTB Alliance, New York, NY, USA.
Frances PappasTB Alliance, New York, NY, USA.
Mats O KarlssonDepartment of Pharmacy, Uppsala University, Uppsala, Sweden.
Elin M SvenssonDepartment of Pharmacy, Uppsala University, Uppsala, Sweden. elin.svensson@farmaci.uu.se.ORCID 0000-0002-0093-6445
TB Alliance · USUppsala University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

introductionThe dispersible tablet formulation (DTF) of pretomanid has been developed to facilitate future use in children. This work aimed to assess the pharmacokinetics (PK) and relative bioavailability of the DTF compared to the marketed formulation (MF) and the potential influence of dose.

methodsPretomanid DTF was investigated in a single-dose, randomized, four-period, cross-over study, with 7 days of washout between doses. Forty-eight healthy volunteers were enrolled and randomized into one of two panels to receive doses either in the fasted state or after a high-fat meal. Each volunteer received doses of 10, 50, and 200 mg DTF, and 200 mg MF pretomanid. Blood samples for pharmacokinetic assessment were drawn following a rich schedule up to 96 h after each single dose. The study data from the panel receiving the high-fat meal were analyzed using a nonlinear mixed-effects modeling approach, and all data were characterized with noncompartmental methods.

resultsA one-compartment model with first-order elimination and absorption through a transit compartment captured the mean and variability of the observed pretomanid concentrations with acceptable precision. No significant difference in bioavailability was found between formulations. The mean absorption time for the DTF was typically 137% (86-171%) of that for the MF. The bioavailability was found to be dose dependent with a small positive and larger negative correlation under fed and fasted conditions, respectively.

conclusionUsing data from a relative bioavailability study in healthy adult volunteers, a mathematical model has been developed to inform dose selection for the investigation of pretomanid in children using the new dispersible tablet formulation. Under fed conditions and at the currently marketed adult dose of 200 mg, the formulation type was found to influence the absorption rate, but not the bioavailability. The bioavailability of the DTF was slightly positively correlated with doses when administered with food. CLINICAL

trial registrationClinicalTrials.gov Identifier: NCT04309656, first posted on 16 March 2020.

Indexed as

FastingAdministration, OralAdultArea Under CurveBiological AvailabilityChildCross-Over StudiesHumansNitroimidazolesTabletsTherapeutic EquivalencyNitroimidazolespretomanidTablets

Identifiers

PMID36180816
PMCPMC9524735
OpenAlexW4298101595

What OpenQuestion holds

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LicenceCC BY-NC
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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.