Unknown OBSERVATIONAL NCT01172613

Optimal Concentration of Dermatophagoides Pteronyssinus (Dp) Allergen Extract for Skin Prick Test (SPT) of Thai Population (DSPT)

Optimal Concentration of Allergen Extract of Dermatophagoides Pteronyssinus to be Used in Diagnostic Allergy Skin Prick Test Among Thai Population

Sponsor: Siriraj Hospital

Conditions Rhinitis, Allergic, Perennial Rhinitis, Allergic, Seasonal Skin Prick Test

Updated 5 times since 2017 Last updated: Jul 29, 2010 Started: Jun 30, 2010 Primary completion: Dec 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 Rhinitis, Allergic, Perennial and Rhinitis, Allergic, Seasonal and is currently ongoing. Siriraj Hospital leads this study, which shows 5 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

5 versions recorded

Sep 2024 — Present [monthly]

Unknown
Jul 2024 — Sep 2024 [monthly]

Unknown

Status: Unknown Status → Unknown
Jan 2021 — Jul 2024 [monthly]

Unknown Status
Apr 2018 — Jan 2021 [monthly]

Unknown Status

Phase: PHASE2_PHASE3 → None
Jan 2017 — Apr 2018 [monthly]

Unknown Status PHASE2_PHASE3

First recorded

Jun 2010

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Siriraj Hospital

Data source: Siriraj Hospital

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

Study Locations

• Bangkok, Thailand