# Validation of the Turkish Version of QUALEFFO-31

> **NCT04259099** · — · TERMINATED · sponsor: **Bugra Ince** · enrollment: 111 (actual)

## Conditions studied

- Osteoporosis

## Interventions

- **OTHER:** Testing the Quality of Life Questionnaire of the European Foundation for Osteoporosis-31(QUALEFFO-31)

## Key facts

- **NCT ID:** NCT04259099
- **Lead sponsor:** Bugra Ince
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2020-02-13
- **Primary completion:** 2021-02-01
- **Final completion:** 2021-02-01
- **Target enrollment:** 111 (ACTUAL)
- **Why stopped:** Except in compulsory cases hospital admissions have been decreased significantly due to the pandemic. The study was terminated due to significant decrease in enrollment rate.
- **Last updated:** 2021-03-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04259099

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04259099, "Validation of the Turkish Version of QUALEFFO-31". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04259099. Licensed CC0.

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