Evidence map›Paper›PMID 32909093›Full record

ReviewJournal of neurology2021

Polyradiculoneuropathy induced by immune checkpoint inhibitors: a case series and review of the literature.

Kensuke Okada, Morinobu Seki, Hiroshi Yaguchi, Kenichi Sakuta, Taiji Mukai, Satoshi Yamada, Koichi Oki, Jin Nakahara, Shigeaki Suzuki

Abstract readReview
PubMed Publisher
In one paragraph

Review in Journal of neurology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.8field-weighted citation impact, top 11% 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

17 citing papers in PubMed, 37 citations in OpenAlex.

  1. Article
  2. Observational
  3. Polyradiculoneuropathies associated with immune checkpoint inhibitors: are we facing a new nosological entity?Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2025
    Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Neurologic Complications of Cancer Immunotherapy.Current oncology (Toronto, Ont.) · 2023
    Review
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  10. Article
  11. Article
  12. Review
  13. Article
  14. 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

9 authors at 4 institutions in 1 country.

Kensuke Okada *Department of Neurology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
Morinobu Seki *Department of Neurology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
Hiroshi YaguchiDepartment of Neurology, Jikei University Kashiwa Hospital, 163-1 Kashiwashita, Kashiwa-shi, Chiba, 277-8567, Japan.
Kenichi SakutaDepartment of Neurology, Jikei University Kashiwa Hospital, 163-1 Kashiwashita, Kashiwa-shi, Chiba, 277-8567, Japan.
Taiji MukaiDepartment of Neurology, Jikei University Kashiwa Hospital, 163-1 Kashiwashita, Kashiwa-shi, Chiba, 277-8567, Japan.
Satoshi YamadaDepartment of Neurology, Tokyo Saiseikai Central Hospital, 1-4-17 Mita, Minato-ku, Tokyo, 108-0073, Japan.
Koichi OkiDepartment of Neurology, Tokyo Saiseikai Central Hospital, 1-4-17 Mita, Minato-ku, Tokyo, 108-0073, Japan.
Jin NakaharaDepartment of Neurology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
Shigeaki SuzukiDepartment of Neurology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan. sgsuzuki@z3.keio.jp.ORCID http://orcid.org/0000-0003-4388-4574
Jikei University Kashiwa hospital · JPKeio University Hospital · JPSaiseikai Central Hospital · JPKeio University · JP

Funding

JSPC KAKENHI JP20H03592
6 · The paper itself

Abstract

objectiveThe purpose of the present study is to report the clinical characteristics of polyradiculoneuropathy induced by immune checkpoint inhibitors (ICIs).

methodsWe retrospectively reviewed lists of all inpatients with neurological immune-related adverse events (irAEs) treated at the neurology departments of three hospitals in January 2017 and December 2019. We also performed a review of the previous case reports with polyradiculoneuropathy induced by ICI therapy.

resultsWe had 4 patients with polyradiculoneuropathy following ICI therapy. We comprehensively reviewed our 4 patients and 32 previous case reports. There were 28 men and 8 women with a mean onset age of 61 years. ICI monotherapy was performed in 27 patients, whereas the combination of ICIs was administered in 9 patients. All patients except 2 showed limb weakness, which was observed symmetrically and predominantly in the legs rather than the arms. Bulbar involvement was observed in 7 patients. The laboratory findings were demyelination in electrophysiological studies and elevated protein with lymphocytes in the cerebrospinal fluid. Disease severity was ranked on the Hughes functional scale; 17 patients were grade 4 or greater. The treatment responses to corticosteroid and intravenous methylprednisolone were favorable. Intravenous immunoglobulin was also used in combination with steroids. Seven patients died, including 4 who on mechanical ventilation.

conclusionPolyradiculoneuropathy induced by ICIs has a distinct subset of neurological irAEs and requires early recognition.

Indexed as

Immune Checkpoint InhibitorsPolyradiculoneuropathyFemaleHumansImmunoglobulins, IntravenousMaleMethylprednisoloneMiddle AgedRetrospective StudiesImmune Checkpoint InhibitorsImmunoglobulins, IntravenousMethylprednisoloneChronic inflammatory demyelinating polyradiculoneuropathyGuillain–Barré syndromeImmune checkpoint inhibitorsImmune-related adverse eventsNeuropathyReview of literature

Identifiers

PMID32909093
OpenAlexW3085088822

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.