An International Field Study of the Reliability and Validity of a Disease-Specific Questionnaire Module (the QLQ-OV28) in Assessing the Quality of Life of Patients With Ovarian Cancer - Phase III (EORTC QOL-OV39)

March 8, 2026 updated by: Vesna Bjelic-Radisic, Helios University Hospital Wuppertal

The goal of this observational study is to pre-test the EORTC QLQ-OV39 to identify and resolve potential problems in its administration and to identify missing/redundant items. A preliminary evaluation of the measurement properties of the module will be carried out.

The study includes patients with evidence of localized (FIGO I-II) or advanced ovarian cancer (FIGO II-IV) above the age of 18 years.

The main aims are:

  1. To conduct Phase 3a and 3b pre-testing of the preliminary EORTC-QLQ-OV39 Questionnaire to identify and resolve potential problems in its administration and to identify missing/redundant items according to the updated EORTC QLG Guidelines for Module Development, 5th Edition 2021.(16)
  2. a preliminary assessment of the psychometric properties of the module

Participants will [describe the main tasks participants will be asked to, complete the OV39, C30 and debriefing interviews, as well as questions about their demographics and clinical data.

Study Overview

Status

Not yet recruiting

Conditions

Detailed Description

Follows.

Study Type

Observational

Enrollment (Estimated)

50

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Ovarian cancer patients from collaborating centers

Description

Inclusion Criteria:

  1. Evidence of localized (FIGO I-II) or advanced ovarian cancer (FIGO II-IV)
  2. Must be able and willing to complete the questionnaires.
  3. Must be able to understand and speak the language in which the patient will complete the questionnaire.
  4. Age > 18 years

Exclusion Criteria:

  • cognitive impairment

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Questionnaire
Time Frame: Last week or last four weeks
Questionnaire for the quality of life of ovarian cancer patients
Last week or last four weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Helios University Hospital Wuppertal

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

September 1, 2026

Primary Completion (Estimated)

September 1, 2028

Study Completion (Estimated)

December 1, 2028

Study Registration Dates

First Submitted

March 8, 2026

First Submitted That Met QC Criteria

March 8, 2026

First Posted (Actual)

March 11, 2026

Study Record Updates

Last Update Posted (Actual)

March 11, 2026

Last Update Submitted That Met QC Criteria

March 8, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • OV28 Phase III

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

Individual participant data are not publicly available due to privacy restrictions and ethical considerations

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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