Evidence map›Paper›PMID 21842172›Full record

ReviewGastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association2012

Reporting patient characteristics and stratification factors in randomized trials of systemic chemotherapy for advanced gastric cancer.

Kohei Shitara, Junko Ikeda, Chihiro Kondo, Daisuke Takahari, Takashi Ura, Kei Muro, Keitaro Matsuo

Abstract readReview
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In one paragraph

Review in Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
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

14 citing papers in PubMed.

  1. Article
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  6. eIF4EBP3 was downregulated by methylation and acted as a tumor suppressor by targeting eIF4E/β-catenin in gastric cancer.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2020
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  7. Article
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  12. Correlation between overall survival and other endpoints in clinical trials of second-line chemotherapy for patients with advanced gastric cancer.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2014
    Article
  13. Article
  14. Patient heterogeneity and allocation bias: how should they be reported in clinical trials of chemotherapy for advanced gastric cancer?Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2012
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Kohei ShitaraDepartment of Clinical Oncology, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya, Aichi 464-8681, Japan. Kouheis0824@yahoo.co.jp
Junko Ikeda
Chihiro Kondo
Daisuke Takahari
Takashi Ura
Kei Muro
Keitaro Matsuo

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThere is no consensus on which patient characteristics are the most suitable to report or to be used as stratification factors in clinical trials for advanced gastric cancer (AGC), to our knowledge.

methodsWe conducted a comprehensive review of published randomized trials for AGC to examine the patient characteristics that were reported.

resultsAmong the 67 analyzed trials, age, gender, performance status, proportion of patients with measurable disease, and previous gastrectomy were frequently reported (>69%). Histology, number of disease sites, and adjuvant treatment were reported in less than 50% of trials. Although the reporting of second-line chemotherapy has increased in recent trials, it remains at less than 50%. Notably, recent trials have tended to include patients with better performance status and less locally advanced disease, with Asian trials more frequently including patients with more diffuse histology and less locally advanced disease or liver metastasis than non-Asian trials. Stratification was conducted in approximately 60% of the trials, using quite variable stratifying factors.

conclusionInconsistency exists in the reporting of patient characteristics, the characteristics themselves, and the use of stratification factors in clinical trials for AGC. A consensus set of important patient characteristics and strata may be necessary to conduct and interpret quality randomized studies.

Indexed as

AgedAntineoplastic Combined Chemotherapy ProtocolsDrug TherapyFemaleHumansMaleMiddle AgedPatientsPrognosisRandomized Controlled Trials as TopicRisk FactorsStomachStomach Neoplasms

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Registered trials

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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.