Who is sponsoring NCT04259099?

NCT04259099 is sponsored by Bugra Ince.

What condition does NCT04259099 study?

NCT04259099 studies Osteoporosis.

Is NCT04259099 still recruiting?

NCT04259099 is currently terminated. Last updated 11 March 2021.

Last reviewed 2021-03-11 · How we verify

NCT04259099

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Validation of the Turkish Version of QUALEFFO-31

Terminated Last updated 11 March 2021

What this trial tests

trial testing Testing the Quality of Life Questionnaire of the European Foundation for Osteoporosis-31(QUALEFFO-31) in Osteoporosis in 111 participants. Terminated before completion.

Timeline

13 February 2020

Primary endpoint
1 February 2021

1 February 2021

Quick facts

Lead sponsor	Bugra Ince
Status	Terminated
Study type	OBSERVATIONAL
Enrollment	111
Start date	13 February 2020
Primary completion	1 February 2021
Estimated completion	1 February 2021
Sites	1 location across Turkey (Türkiye)

Drugs / interventions tested

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

Conditions studied

Osteoporosis — all drugs for Osteoporosis →

Sponsor

Bugra Ince

Who can join

50 and older, any sex, with Osteoporosis. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The aim of this study is to investigate the adaptation and validity of the Quality of Life Questionnaire of the European Foundation for Osteoporosis-31 in patients with osteoporosis. Thus, to present a scale that will help us analyze the psychometric properties of patients with osteoporosis to the use of the Turkish people .

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

The reliability and validity of the Turkish version of the Quality of Life Questionnaire of the European Foundation for Osteoporosis-31 (QUALEFFO-31).
Ince B, Kucukakkas O. · · 2021 · PMID 34499238 · DOI 10.1007/s11657-021-00997-4

Verify or expand the search:

Other recruiting trials for Osteoporosis

Currently open trials in the same condition.

NCT07027306 — The Osteoporotic Fracture Classification-based Scoring System for Treatment Decision in Thoracolumbar Osteoporotic Fract · recruiting
NCT07367776 — Patient Education in Osteoporosis (RCT-PATOS) · NA · recruiting
NCT06731608 — OsteoPorotic fracTure preventION System (OPTIONS) Research Study · NA · recruiting
NCT07281586 — Step-down Therapy After Long-term Osteoporosis Treatment · Phase 4 · recruiting
NCT07083557 — Routine Validation and Reproducibility Testing of Laboratory Assays and Research Techniques Used for Endocrine, Cardiome · recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT04259099 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Bugra Ince
Last refreshed: 11 March 2021

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04259099.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing