Evidence map›Paper›PMID 39971476›Full record

ArticleThe journal of obstetrics and gynaecology research2025

Assessment of tissue factor pathway inhibitor 2 (TFPI2) as a novel serum marker for malignant tumors of the ovary before and after treatment: A case-control study.

Yuki Ogawara, Naho Ruiz Yokota, Yuki Yamada, Noriaki Arakawa, Kentaro Sakamaki, Hiroshi Kobayashi, Kazumi Kubota, Fuminori Kimura, Taichi Mizushima, Etsuko Yamazaki and 1 more

Abstract read
In one paragraph

Article in The journal of obstetrics and gynaecology research, 2025. 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
–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

1 citing paper in PubMed.

  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

11 authors.

Yuki OgawaraDepartment of Obstetrics and Gynecology, Yokohama City University Hospital, Yokohama, Japan.
Naho Ruiz YokotaDepartment of Obstetrics and Gynecology, Yokohama City University Hospital, Yokohama, Japan.
Yuki YamadaDepartment of Obstetrics and Gynecology, Nara Medical University, Nara, Japan.ORCID https://orcid.org/0000-0003-2113-5329
Noriaki ArakawaDivision of Medical Safety Science, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan.
Kentaro SakamakiFaculty of Health Data Science, Juntendo University, Tokyo, Japan.
Hiroshi KobayashiDepartment of Obstetrics and Gynecology, Nara Medical University, Nara, Japan.ORCID https://orcid.org/0000-0002-8124-6269
Kazumi KubotaDepartment of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan.
Fuminori KimuraDepartment of Obstetrics and Gynecology, Nara Medical University, Nara, Japan.ORCID https://orcid.org/0000-0002-9840-4227
Taichi MizushimaDepartment of Obstetrics and Gynecology, Yokohama City University Hospital, Yokohama, Japan.ORCID https://orcid.org/0000-0002-3505-4717
Etsuko YamazakiDepartment of Hematology, Yokohama Rosai Hospital, Yokohama, Japan.
Etsuko MiyagiDepartment of Obstetrics and Gynecology, Yokohama City University Hospital, Yokohama, Japan.ORCID https://orcid.org/0000-0002-5492-0844

Funding

Tosoh Corporation (Tokyo, Japan)
6 · The paper itself

Abstract

aimTissue factor pathway inhibitor 2 (TFPI2) is a preoperative biomarker that was developed to discriminate ovarian benign tumors from cancer and is covered by health insurance in Japan. The purpose of this study was to evaluate how the TFPI2 changes after treatment.

methodsSerum levels of TFPI2 (cut off 191 pg/mL) and CA125 (cut off 35 U/mL) before and after primary debulking surgery in patients with ovarian malignant tumors were evaluated among recurrent and nonrecurrent cases, respectively.

resultsA total of 46 cases were analyzed, including 11 borderline tumors, 13 clear cell carcinomas, 15 serous carcinomas, 4 endometrioid carcinomas, and 3 mucinous carcinomas. Among 37 patients without recurrence, the preoperative mean levels of TFPI2 (235.3 pg/mL, range: 78.3-607.7) and CA125 (1125.5 U/mL, range: 6.2-6272.0) were higher than the cutoff values. The mean minimum level of TFPI2 decreased to below the cutoff (150.2 pg/mL, range 56.4-471.1) at 3 months or more after primary debulking surgeries. The postoperative TFPI2 level exceeded the cutoff in 11 out of 37 patients without recurrence (29.7%); however, the postoperative TFPI2 level decreased in 8 patients. The mean maximum levels of TFPI2 and CA125 in 9 patients after recurrence were 492.6 pg/mL and 727.4 U/mL, respectively. Moreover, the mean TFPI2 level was higher than the preoperative one (421.5 pg/mL), different from CA125 (2903.8 U/mL).

conclusionsOur results suggest the clinical validity of TFPI2 as a serum tumor marker for postoperative recurrence screening among malignant ovarian tumors.

Indexed as

Biomarkers, TumorGlycoproteinsOvarian NeoplasmsAdultAgedCA-125 AntigenCase-Control StudiesCytoreduction Surgical ProceduresFemaleHumansMiddle AgedNeoplasm Recurrence, LocalBiomarkers, TumorCA-125 AntigenGlycoproteinstissue-factor-pathway inhibitor 2borderline tumorCA125ovarian cancerserum tumor markerTFPI2

Identifiers

PMID39971476
PMCPMC11839307

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.