Evidence map›Paper›PMID 33400200›Full record

Trial reportGeneral thoracic and cardiovascular surgery2021

Clinical significance of bifocal treatment for synchronous brain metastasis in T1-2 non-small-cell lung cancers: JNETS0301.

Katsuyuki Suzuki, Satoshi Shiono, Tohru Hasumi, Akira Sakurada, Muneo Minowa, Nobuyuki Sato, Hidetaka Uramoto, Hiroyuki Deguchi, Jun Suzuki, Yoshinori Okada

Abstract readClinical Trial, Phase II
PubMed Publisher
In one paragraph

Trial report in General thoracic and cardiovascular surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
0.4field-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

4 citing papers in PubMed, 1 synthesis or guideline pooled it, 3 citations in OpenAlex.

  1. Pooled it
  2. Article
  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

10 authors at 9 institutions in 2 countries.

Katsuyuki SuzukiJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Satoshi ShionoJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan. sshiono@ypch.gr.jp.ORCID http://orcid.org/0000-0003-4087-635X
Tohru HasumiJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Akira SakuradaJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Muneo MinowaJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Nobuyuki SatoJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Hidetaka UramotoJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Hiroyuki DeguchiJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Jun SuzukiJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Yoshinori OkadaJapan Northern East Area Thoracic Surgery Study Group (JNETS), Sendai, Japan.
Tohoku University · JPAomori Prefectural Central Hospital · JPGrupo João Ferreira dos Santos (Mozambique) · MZIwate Medical University · JPKanazawa Medical University · JPOhta Nishinouchi Hospital · JPSendai Medical Center · JPYamagata Prefectural Central Hospital · JPYamagata University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesThe treatment of patients with brain metastases associated with non-small-cell lung cancer (NSCLC) is frequently challenging. Starting in 2003, we conducted a phase II study of surgery for patients with clinical T1-2N0-1 NSCLC with oligometastasis. The aim of this subset study was to assess the clinical significance of bifocal treatment for synchronous brain metastases in T1-2N0-1 NSCLC using prospectively collected data.

methodsIn this phase II study of clinical T1-2N0-1 NSCLC patients with oligometastasis, 47 patients were enrolled from December 2003 to December 2016. Among them, 18 NSCLC patients with synchronous brain metastases were investigated in this subset analysis.

resultsFourteen patients underwent complete resection, and 4 underwent incomplete resection of the primary lung cancer. The number of synchronous brain metastases was one in 14 and multiple in 4 patients. After surgery for the primary lung cancer, 12 of 18 patients underwent treatment for their brain lesions, including stereotactic radiosurgery (SRS) in 10, surgical resection in 1, and SRS followed by surgical resection in 1. In 5 of the 18 patients (28%), the brain lesion was diagnosed as benign on follow-up radiological imaging. The 5-year overall survival rate after enrollment was 31.8% for all 18 patients and 35.2% for the 13 patients with brain metastases. Univariate analysis showed that having multiple brain lesions was a significant factor related to a worse prognosis.

conclusionFor patients with suspected brain metastases associated with NSCLC, bifocal local treatment could be an acceptable therapeutic strategy, especially for solitary brain metastasis.

Indexed as

Brain NeoplasmsCarcinoma, Non-Small-Cell LungLung NeoplasmsFollow-Up StudiesHumansRetrospective StudiesTreatment Outcomenon-small cell lung cancerOligometastasisSurgical resectionSynchronous brain metastasis

Identifiers

PMID33400200
OpenAlexW3118620846

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.