Evidence map›Paper›PMID 32875428›Full record

ArticleThe AAPS journal2020

A Physiologically Based Pharmacokinetic Model of Vismodegib: Deconvoluting the Impact of Saturable Plasma Protein Binding, pH-Dependent Solubility and Nonsink Permeation.

Michael J Dolton, Po-Chang Chiang, Fang Ma, Jin Y Jin, Yuan Chen

Abstract readEvaluation Study
PubMed Publisher
In one paragraph

Article in The AAPS journal, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.8field-weighted citation impact, top 28% 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

4 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. 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

5 authors at 1 institution in 1 country.

Michael J DoltonClinical Pharmacology, Genentech Inc, 1 DNA Way, South San Francisco, California, 94080, USA. dolton.michael@gene.com.
Po-Chang ChiangSmall Molecule Pharmaceutical Sciences, Genentech Inc, 1 DNA Way, South San Francisco, California, 94080, USA.
Fang MaDrug Metabolism and Pharmacokinetics, Genentech Inc, 1 DNA Way, South San Francisco, California, 94080, USA.
Jin Y JinClinical Pharmacology, Genentech Inc, 1 DNA Way, South San Francisco, California, 94080, USA.
Yuan ChenDrug Metabolism and Pharmacokinetics, Genentech Inc, 1 DNA Way, South San Francisco, California, 94080, USA.
Gene Therapy Laboratory · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Vismodegib displays unique pharmacokinetic characteristics including saturable plasma protein binding to alpha-1 acid glycoprotein (AAG) and apparent time-dependent bioavailability leading to non-linear PK with dose and time, significantly faster time to steady-state and lower than predicted accumulation. Given these unique characteristics, a PBPK model was developed to explore mechanistic insights into saturable protein binding and complex oral absorption processes and de-convolute the impact of these independent non-linear processes on vismodegib exposure. Simcyp V18 was used for model development; oral absorption was characterized using the multi-layer gut wall (M-ADAM) model and mechanistic permeability model, incorporating transport across an unstirred boundary layer (UBL) between the luminal fluid and enterocyte in each segment of the gastrointestinal tract. PBPK simulations were compared with observed PK data from clinical trials in oncology patients and healthy subjects. Saturation of vismodegib protein binding to AAG led to substantially lower total drug accumulation, time to steady-state, and Css

Indexed as

Models, TheoreticalAnilidesBlood ProteinsOral Mucosal AbsorptionPyridinesAnilidesBlood ProteinsHhAntag691Pyridinesabsorptionnonsink intestinal permeationPBPKphysiologically based pharmacokinetic modelingsaturable protein bindingvismodegib

Identifiers

PMID32875428
OpenAlexW3081727700

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.