Evidence map›Paper›PMID 26762850›Full record

Observational studyJournal of cancer research and clinical oncology2016

Clinical relevance of CD44 surface expression in advanced stage serous epithelial ovarian cancer: a prospective study.

Alaa A Elzarkaa, Bassma El Sabaa, Doaa Abdelkhalik, Hassan Mansour, Mahmoud Melis, Waleed Shaalan, Mohamed Farouk, Eduard Malik, Amr A Soliman

Open access · greenAbstract readObservational Study
In one paragraph

Observational study in Journal of cancer research and clinical oncology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
5.7field-weighted citation impact, top 5% 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

15 citing papers in PubMed, 20 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Review
  5. RBM15‑mediating MDR1 mRNA mInternational journal of oncology · 2023
    Article
  6. Article
  7. Epithelial Ovarian Cancer and Cancer Stem Cells.Advances in experimental medicine and biology · 2021
    Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. 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

9 authors at 3 institutions in 2 countries.

Alaa A ElzarkaaDepartment of Obstetrics and Gynecology, University of Alexandria, Alexandria, Egypt.
Bassma El SabaaDepartment of Pathology, University of Alexandria, Alexandria, Egypt.
Doaa AbdelkhalikDepartment of Public Health and Preventive Medicine, University of Mansura, Mansura, Egypt.
Hassan MansourDepartment of Obstetrics and Gynecology, University of Alexandria, Alexandria, Egypt.
Mahmoud MelisDepartment of Obstetrics and Gynecology, University of Alexandria, Alexandria, Egypt.
Waleed ShaalanDepartment of Obstetrics and Gynecology, University of Alexandria, Alexandria, Egypt.
Mohamed FaroukDepartment of Medical and Radio-Oncology, University of Alexandria, Alexandria, Egypt.
Eduard MalikUniversitätsklinik für Gynäkologie und Geburtshilfe, Klinikum Oldenburg, Fakultät für Medizin und Gesundheitswissenschaften, Universität Oldenburg, Rahel-Straus-Straße 10, 26133, Oldenburg, Germany.
Amr A SolimanDepartment of Obstetrics and Gynecology, University of Alexandria, Alexandria, Egypt. amr.soliman@uni-oldenburg.de.
Alexandria University · EGKlinikum Oldenburg · DEMansoura University · EG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeCluster of differentiation (CD) 44 is a cell surface receptor that correlates with the development of drug resistance in epithelial ovarian cancer (EOC). Here, we prospectively investigated the clinical impact of CD44 expression on the development of chemoresistance, and on disease-free and overall survival in EOC.

methodsThis study included patients with primary serous EOC that was at International Federation of Gynecology and Obstetrics stages IIIB-IVA and tumors that were CD44 positive and negative in a 1:1 ratio. All patients underwent primary surgical cytoreduction, followed by six cycles of combined paclitaxel and carboplatin chemotherapy every 3 weeks. The treatment was considered complete after the chemotherapy had finished. All patients were followed up for 24 months after completing their chemotherapy.

resultsOf the 96 patients with serous EOC at stages IIIB-IVA, 51 % of the tumors were negative for the expression of CD44 and 49 % showed variable CD44 expression. Patients who had CD44-positive tumors had statistically significant shorter disease-free (p ≤ 0.001) and overall survival (p ≤ 0.001) intervals compared with patients with CD44-negative tumors. The hazard ratio for death was 6.8 (95 % confidence interval 2.4-19.2, p ≤ 0.001) among the patients with CD44-positive tumors. A multivariate analysis showed that carboplatin-resistant or carboplatin-refractory EOC was the only independent predictive factor for death.

conclusionsCD44 expression contributes to the development of carboplatin resistance in advanced serous EOC, and it may contribute to worse prognoses for patients, but it is neither an independent predictor of survival nor of recurrence.

Indexed as

Drug Resistance, NeoplasmAdultAgedAntineoplastic AgentsBiomarkers, TumorCarboplatinCarcinoma, Ovarian EpithelialCystadenocarcinoma, SerousFemaleFollow-Up StudiesHumansHyaluronan ReceptorsImmunoenzyme TechniquesMiddle AgedNeoplasm GradingNeoplasm InvasivenessAntineoplastic AgentsBiomarkers, TumorCarboplatinCD44 protein, humanHyaluronan ReceptorsCluster of differentiation 44Epithelial ovarian cancerPlatinum resistance

Identifiers

PMID26762850
PMCPMC11819065
OpenAlexW2235420138

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.