Evidence map›Paper›PMID 27793017›Full record

Trial reportOncotarget2017

Therapeutic effect of apatinib on overall survival is mediated by prolonged progression-free survival in advanced gastric cancer patients.

Lihong Huang, Yongyue Wei, Sipeng Shen, Qianwen Shi, Jianling Bai, Jin Li, Shukui Qin, Hao Yu, Feng Chen

Registry-linked trialAbstract readClinical Trial, Phase III
In one paragraph

Trial report in Oncotarget, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03547804 (A Prospective, Single-center, One-arm Clinical Study of Apatinib Combined With Chemotherapy for Pretreated Patients With Advanced Small Cell Lung Cancer), which is not on this map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
–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.

NCT03547804 phase2completednot on this mapstarted 2018, after this paper: background citation

A Prospective, Single-center, One-arm Clinical Study of Apatinib Combined With Chemotherapy for Pretreated Patients With Advanced Small Cell Lung Cancer

TypeinterventionalSponsorThe First Hospital of Jilin UniversityRan2018 to 2020Enrolled31ConditionsSmall-cell Lung CancerArmsApatinib, chemotherapy
3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 1 synthesis or guideline pooled it.

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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.

Lihong HuangDepartment of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, P.R. China.
Yongyue WeiDepartment of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, P.R. China.
Sipeng ShenDepartment of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, P.R. China.
Qianwen ShiDepartment of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, P.R. China.
Jianling BaiDepartment of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, P.R. China.
Jin LiFudan University Shanghai Cancer Center, Shanghai, P.R. China.
Shukui QinPeople's Liberation Army Cancer center, 81st Hospital of People's Liberation Army, Nanjing, Jiangsu, P.R. China.
Hao YuDepartment of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, P.R. China.
Feng ChenDepartment of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, P.R. China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Apatinib is reported to significantly improve the overall survival (OS) of patients with advanced gastric cancer who have previously failed second-line chemotherapy. However, it is not well understood whether apatinib acts by improving progression or by prolonging post-progression survival. Here, based on phase III clinical trial data, the mediating effect of apatinib on patient overall survival was systematically quantified, through progression-free survival (PFS), post-progression survival (PPS), and the disease control rate (DCR). PFS was the primary mediator of the association between apatinib treatment and OS, with an indirect-effect mean survival time ratio of 1.63 (95%CI 1.35-1.97), which mediated 93.5% of the treatment effect. The DCR was also a significant mediator among secondary efficacy endpoints, and had an indirect-effect mean survival time ratio of 1.47 (95%CI 1.20-1.79, 50.9% mediated). Both primary and other targets of the DCR had similar results. The results indicated that apatinib treatment prolongs progression-free survival rather than post-progression survival, and in turn, leads to improved overall survival. Additionally, our study highlights the value of mediation analysis in clinical trials in providing additional information to build upon traditional primary analysis.

Indexed as

AdultAgedAntineoplastic AgentsDisease-Free SurvivalFemaleHumansMaleMiddle AgedPyridinesStomach NeoplasmsYoung AdultAntineoplastic AgentsapatinibPyridinesapatinibgastric cancermediation analysisoverall survivalprogression-free survival

Identifiers

PMID27793017
PMCPMC5438734

What OpenQuestion holds

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Registered trials

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.