Evidence map›Paper›PMID 32640720›Full record

ArticleJournal of clinical medicine2020

Recurrence Patterns for Pancreatic Ductal Adenocarcinoma after Upfront Resection Versus Resection Following Neoadjuvant Therapy: A Comprehensive Meta-Analysis.

Bathiya Ratnayake, Alina Y Savastyuk, Manu Nayar, Colin H Wilson, John A Windsor, Keith Roberts, Jeremy J French, Sanjay Pandanaboyana

Open access · goldAbstract read
In one paragraph

Article in Journal of clinical medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.5field-weighted citation impact, top 15% 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

18 citing papers in PubMed, 30 citations in OpenAlex.

  1. Comparison of postoperative survival after neoadjuvant treatmentAnnals of surgical treatment and research · 2026
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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

8 authors at 3 institutions in 2 countries.

Bathiya RatnayakeDepartment of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1010, New Zealand.ORCID 0000-0002-5188-9124
Alina Y SavastyukDepartment of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1010, New Zealand.
Manu NayarDepartment of Gastroenterology, Freeman Hospital, Newcastle upon Tyne NE7 7DN, Tyne and Wear, UK.
Colin H WilsonDepartment of Hepatobiliary, Pancreatic and Transplant Surgery, Freeman Hospital, Newcastle upon Tyne NE7 7DN, Tyne and Wear, UK.
John A WindsorDepartment of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1010, New Zealand.
Keith RobertsDepartment of Immunology and Immunotherapy, University of Birmingham, Birmingham B15 2TT, UK.
Jeremy J FrenchDepartment of Hepatobiliary, Pancreatic and Transplant Surgery, Freeman Hospital, Newcastle upon Tyne NE7 7DN, Tyne and Wear, UK.
Sanjay PandanaboyanaDepartment of Hepatobiliary, Pancreatic and Transplant Surgery, Freeman Hospital, Newcastle upon Tyne NE7 7DN, Tyne and Wear, UK.ORCID 0000-0003-3099-2197
Freeman Hospital · GBUniversity of Auckland · NZUniversity of Birmingham · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNeoadjuvant therapy (NAT) represents a paradigm shift in the management of patients with pancreatic ductal adenocarcinoma (PDAC) with perceived benefits including a higher R0 rate. However, it is unclear whether NAT affects the sites and patterns of recurrence after surgery. This review seeks to compare sites and patterns of recurrence after resection between patients undergoing upfront surgery (US) or after NAT.

methodsThe EMBASE, SCOPUS, PubMed, and Cochrane library databases were systematically searched to identify eligible studies that compare recurrence patterns between patients who had NAT (followed by resection) with those that had US. The primary outcome included site-specific recurrence.

results26 articles were identified including 4986 patients who underwent resection. Borderline resectable pancreatic cancer (BRPC, 47% 1074/2264) was the most common, followed by resectable pancreatic cancer (RPC 42%, 949/2264). The weighted overall recurrence rates were lower among the NAT group, 63.4% vs. 74% (US) (OR 0.67 (CI 0.52-0.87),

conclusionNAT was associated with lower overall recurrence rate and improved locoregional disease control particularly for those with BRPC. Although the burden of liver metastases was less, there was no overall effect upon distant metastatic disease.

Indexed as

neoadjuvant chemotherapypancreatic ductal adenocarcinomapancreatic surgeryrecurrence

Identifiers

PMID32640720
PMCPMC7408905
OpenAlexW3039960925

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.