Evidence map›Paper›PMID 34670884›Full record

ArticleInternal medicine (Tokyo, Japan)2022

A Retrospective Analysis of R-MPV Plus Response-adapted Whole-brain Radiotherapy for Elderly Patients with Primary Central Nervous System Lymphoma.

Yutaro Suzuki, Naoto Imoto, Shunichi Ishihara, Shinji Fujiwara, Rie Ito, Toshiyasu Sakai, Satomi Yamamoto, Isamu Sugiura, Shingo Kurahashi

Open access · diamondAbstract read
In one paragraph

Article in Internal medicine (Tokyo, Japan), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.3field-weighted citation impact, top 37% 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

1 citing paper in PubMed, 3 citations in OpenAlex.

  1. 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

9 authors at 2 institutions in 1 country.

Yutaro SuzukiDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Naoto ImotoDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Shunichi IshiharaDepartment of Radiology, Nagoya University Hospital, Japan.
Shinji FujiwaraDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Rie ItoDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Toshiyasu SakaiDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Satomi YamamotoDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Isamu SugiuraDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Shingo KurahashiDepartment of Hematology and Oncology, Toyohashi Municipal Hospital, Japan.
Toyohashi Municipal Hospital · JPNagoya University Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective Few reports have described the real-world outcomes of rituximab, methotrexate (MTX), procarbazine, and vincristine (R-MPV) plus response-adapted whole-brain radiotherapy (WBRT) for elderly patients with primary central nervous system lymphoma (PCNSL). We evaluated the outcome of this regimen. Methods We evaluated >60-year-old patients with newly diagnosed PCNSL who received R-MPV plus WBRT from January 2010 to December 2019 at Toyohashi Municipal Hospital. The patients' characteristics, regimen enforcement, response rate, survival, and toxicity were analyzed. Patients Ten patients were consecutively enrolled. Their median age was 69 years old, and 60% had a performance status of 3 or 4 before induction therapy. Results Seven patients achieved a complete response after induction, and all 10 patients achieved a complete response after consolidation. Seven received reduced-dose WBRT at 23.4 Gy, and 2 received WBRT at 45 Gy. The median follow-up was 44.4 months; the 3-year progression-free survival and overall survival rates were 60% and 80%, respectively; and the cumulative incidence of relapse was 40%. The incidence of symptomatic delayed neurotoxicity was 70%. Of the 7 patients who received reduced-dose WBRT, 4 (57%) developed delayed neurotoxicity, including 1 severely affected patient. Only one patient survived without relapse and delayed neurotoxicity. The ratio of patients who developed relapse or delayed neurotoxicity that impaired daily life was 33% and 100% in the MTX high- and low-intensity groups, respectively. Conclusion This regimen in elderly patients is unsatisfactory because of delayed neurotoxicity. We should consider maintaining an adequate MTX intensity, postponing or minimizing WBRT, and choosing high-dose consolidation therapy for select patients.

Indexed as

Central Nervous System NeoplasmsLymphomaAgedAntineoplastic Combined Chemotherapy ProtocolsBrainCentral Nervous SystemCombined Modality TherapyHumansMethotrexateMiddle AgedNeoplasm Recurrence, LocalRetrospective StudiesTreatment OutcomeMethotrexatedelayed neurotoxicityprimary central nervous system lymphomaR-MPV regimenwhole-brain radiotherapy

Identifiers

PMID34670884
PMCPMC9152862
OpenAlexW3205097253

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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.