Unknown OBSERVATIONAL NCT01085916

Prevalence of Asthma and Rhinitis Symptoms Among Secondary School Students in Saudi Arabia

Sponsor: King Abdulaziz Medical City

Updated 8 times since 2017 Last updated: Mar 11, 2010 Started: Apr 30, 2010 Primary completion: Apr 30, 2010 Completion: May 31, 2010

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

This observational or N/A phase trial investigates Asthma and Rhinitis and is currently ongoing. King Abdulaziz Medical City leads this study, which shows 8 recorded versions since 2010 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

8 versions recorded

Sep 2024 — Present [monthly]

Unknown
Jul 2024 — Sep 2024 [monthly]

Unknown

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

Unknown Status
Jan 2021 — Jun 2022 [monthly]

Unknown Status
Jun 2018 — Jan 2021 [monthly]

Unknown Status

▶ Show 3 earlier versions

Apr 2018 — Jun 2018 [monthly]

Unknown Status

Phase: NA → None
Feb 2017 — Apr 2018 [monthly]

Unknown Status NA

Status: Enrolling By Invitation → Unknown Status
Jan 2017 — Feb 2017 [monthly]

Enrolling By Invitation NA

First recorded

Apr 2010

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

King Abdulaziz Medical City
Merck Sharp & Dohme LLC

Data source: King Abdulaziz Medical City

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

Study Locations

No location information available.