Evidence map›Paper›PMID 26918260›Full record

ArticlemAbs2016

Preclinical pharmacokinetics, pharmacodynamics, tissue distribution, and tumor penetration of anti-PD-L1 monoclonal antibody, an immune checkpoint inhibitor.

Rong Deng, Daniela Bumbaca, Cinthia V Pastuskovas, C Andrew Boswell, David West, Kyra J Cowan, Henry Chiu, Jacqueline McBride, Clarissa Johnson, Yan Xin and 3 more

Open access · goldAbstract read
In one paragraph

Article in mAbs, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 109 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
109citing papers in PubMed, 2 pooled it
8.0field-weighted citation impact, top 2% 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

109 citing papers in PubMed, 2 syntheses or guidelines pooled it, 197 citations in OpenAlex.

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  11. Addition of Ianalumab (VAY736) to Ibrutinib in Patients with Chronic Lymphocytic Leukemia on Ibrutinib Therapy: Results from a Phase Ib Study.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025
    Article
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  14. Molecular therapy. Oncology · 2025
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49 more citing papers are in PubMed but not listed here.

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

13 authors at 1 institution in 1 country.

Rong Denga Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Daniela Bumbacaa Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Cinthia V Pastuskovasa Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
C Andrew Boswella Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
David Westa Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Kyra J Cowana Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Henry Chiua Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Jacqueline McBridea Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Clarissa Johnsona Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Yan Xina Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Hartmut Koeppena Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Maya Leabmana Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Suhasini Iyera Genentech Research and Early Development, Genentech, Inc. , South San Francisco , CA , USA.
Acentech (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

MPDL3280A is a human monoclonal antibody that targets programmed cell death-1 ligand 1 (PD-L1), and exerts anti-tumor activity mainly by blocking PD-L1 interaction with programmed cell death-1 (PD-1) and B7.1. It is being investigated as a potential therapy for locally advanced or metastatic malignancies. The purpose of the study reported here was to characterize the pharmacokinetics, pharmacodynamics, tissue distribution and tumor penetration of MPDL3280A and/or a chimeric anti-PD-L1 antibody PRO304397 to help further clinical development. The pharmacokinetics of MPDL3280A in monkeys at 0.5, 5 and 20 mg · kg(-1) and the pharmacokinetics / pharmacodynamics of PRO304397 in mice at 1, 3 10 mg · kg(-1) were determined after a single intravenous dose. Tissue distribution and tumor penetration for radiolabeled PRO304397 in tumor-bearing mouse models were determined. The pharmacokinetics of MPDL3280A and PRO304397 were nonlinear in monkeys and mice, respectively. Complete saturation of PD-L1 in blood in mice was achieved at serum concentrations of PRO304397 above ∼ 0.5 µg · mL(-1). Tissue distribution and tumor penetration studies of PRO304397 in tumor-bearing mice indicated that the minimum tumor interstitial to plasma radioactivity ratio was ∼ 0.3; saturation of target-mediated uptake in non-tumor tissues and desirable exposure in tumors were achieved at higher serum concentrations, and the distribution into tumors was dose-and time-dependent. The biodistribution data indicated that the efficacious dose is mostly likely higher than that estimated based on simple pharmacokinetics/pharmacodynamics in blood. These data also allowed for estimation of the target clinical dose for further development of MPDL3280A.

Indexed as

Antibodies, MonoclonalAntibodies, NeoplasmCell Cycle CheckpointsNeoplasms, ExperimentalAnimalsB7-H1 AntigenCHO CellsCricetinaeCricetulusDrug Evaluation, PreclinicalFemaleHumansMacaca fascicularisMiceMice, Inbred BALB CNeoplasm MetastasisAntibodies, MonoclonalAntibodies, NeoplasmB7-H1 AntigenCD274 protein, humanNeoplasm ProteinsAnti-PD-L1PD-L1pharmacodynamicspharmacokineticstissue distributiontumor penetration

Identifiers

PMID26918260
PMCPMC4966836
OpenAlexW2292212945

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.