ASTRA Study: Circulating Tumor Cells in Blood of Patients With High-Grade Serous Ovarian Cancer

NCT07439328 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2026-02-27

No results posted yet for this study

Summary

High-grade serous ovarian cancer is typically diagnosed at an advanced stage and remains associated with poor long-term survival. Reliable biomarkers for predicting disease course and treatment response are still limited.

Circulating tumor cells (CTCs) are malignant cells that detach from the primary tumor and enter the bloodstream. Their presence has been associated with disease progression and prognosis in several malignancies, including ovarian cancer. However, data on the morphological characteristics, immunophenotype, and clinical relevance of CTCs in high-grade serous ovarian cancer remain limited.

The ASTRA study evaluates the number and characteristics of circulating tumor cells in peripheral blood samples obtained from patients with high-grade serous ovarian cancer. The study examines CTC count, presence of CTC clusters and megakaryocytes, and immunophenotypic marker expression, and explores associations between CTC findings and clinical parameters and outcomes.

Results from this study may contribute to improved understanding of circulating tumor cells in ovarian cancer and support the development of liquid biopsy approaches for prognostic assessment and disease monitoring.

Conditions

Interventions

OTHER

Peripheral Blood Collection for CTC Isolation and Analysis

Collection of an additional 10 mL peripheral blood sample for isolation and characterization of circulating tumor cells using the Parsortix size-based microfluidic system, followed by cytological and immunophenotypic analysis.

Sponsors & Collaborators

  • Institute of Oncology Ljubljana

    lead OTHER

Study Design

Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-01-01
Primary Completion
2025-12-31
Completion
2025-12-31

Countries

  • Slovenia

Study Locations

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Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07439328 on ClinicalTrials.gov