Completed OBSERVATIONAL NCT04510142

Questionnaire Follow=up Study Sonia 2 (QSonia)

Sponsor: Liverpool University Hospitals NHS Foundation Trust

Conditions Alkaptonuria Alkaptonuria Severity Score Index Homogentisate Dioxygenase Homogentisic Acid

Updated 9 times since 2020 Last updated: Mar 21, 2025 Started: Sep 19, 2019 Primary completion: Aug 31, 2023 Completion: Aug 31, 2023

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04510142, this observational or N/A phase trial focuses on Alkaptonuria and Alkaptonuria Severity Score Index and remains completed. Sponsored by Liverpool University Hospitals NHS Foundation Trust, it has been updated 9 times since 2019, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

9 versions recorded

Apr 2025 — Present [monthly]

Completed

Status: Unknown → Completed
Sep 2024 — Apr 2025 [monthly]

Unknown
Jul 2024 — Sep 2024 [monthly]

Unknown

Status: Unknown Status → Unknown
Jun 2024 — Jul 2024 [monthly]

Unknown Status

Status: Recruiting → Unknown Status
Jun 2022 — Jun 2024 [monthly]

Recruiting

▶ Show 4 earlier versions

Nov 2021 — Jun 2022 [monthly]

Recruiting
Feb 2021 — Nov 2021 [monthly]

Recruiting
Jan 2021 — Feb 2021 [monthly]

Recruiting
Sep 2020 — Jan 2021 [monthly]

Recruiting

First recorded

Sep 2019

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Liverpool University Hospitals NHS Foundation Trust

Data source: Liverpool University Hospitals NHS Foundation Trust

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Liverpool, United Kingdom