Evidence map›Paper›PMID 35907250›Full record

ArticleElectrophoresis2023

Switching positions: Assessing the dynamics of conjugational heterogeneity in antibody-drug conjugates using CE-SDS.

Eline B A van den Berg, Jaap C W Hendriks, Everdine W Elsinga, Mark Eggink, Eef H C Dirksen

Open access · hybridAbstract read
In one paragraph

Article in Electrophoresis, 2023. 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
0.5field-weighted citation impact, top 33% 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, 6 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  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 2 institutions in 2 countries.

Eline B A van den BergAnalytical Development and Quality Control (ADQC), Byondis B.V., Nijmegen, The Netherlands.ORCID 0000-0002-5347-2445
Jaap C W HendriksAnalytical Development and Quality Control (ADQC), Byondis B.V., Nijmegen, The Netherlands.
Everdine W ElsingaDownstream Processing (DSP), Byondis B.V., Nijmegen, The Netherlands.
Mark EgginkAnalytical Development and Quality Control (ADQC), Byondis B.V., Nijmegen, The Netherlands.
Eef H C DirksenAnalytical Development and Quality Control (ADQC), Byondis B.V., Nijmegen, The Netherlands.
National Institute of Quality · PERadboud University Nijmegen · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Antibody-drug conjugates (ADCs) are a prospective class of new oncology therapeutics with the ability to deliver a cytotoxic drug to a targeted location. The concept appears simple, but ADCs are highly complex due to their intrinsic heterogeneity. Randomly conjugated ADCs, for instance, are composed of conjugated species carrying between 0 and 8 linker-drug molecules, with several positional isomers that vary in drug distribution across the antibody. The drug load, expressed as drug-to-antibody ratio (DAR), is a critical quality attribute and should be well controlled, together with the distribution of drug molecules. Here, the impact of the duration of disulfide bond reduction on the DAR was investigated by quantitating the (isomeric) DAR species in ADCs produced with varying reduction times. Although hydrophobic interaction chromatography showed a constant DAR value as a function of reduction time, data obtained by non-reducing CE-SDS revealed an unexpected dynamic in the positional conjugated isomers. The insights obtained have improved our understanding of the correlation between the disulfide bond reduction, an important step in the manufacturing of a cysteine-conjugated ADC, and the conjugational heterogeneity.

Indexed as

Antineoplastic AgentsImmunoconjugatesDisulfidesHydrophobic and Hydrophilic InteractionsProspective StudiesAntineoplastic AgentsDisulfidesImmunoconjugatesantibody-drug conjugatesCEconjugation positionsdisulfide exchangeproduct characterization

Identifiers

PMID35907250
PMCPMC10086850
OpenAlexW4288855346

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.