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The Standard Concentration of Morphine as a Positive Control for Intradermal Skin Test

The Standard Concentration of Morphine as a Positive Control for Intradermal Skin Test

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00853476
Enrollment
25
Registered
2009-03-02
Start date
2009-03-31
Completion date
2009-10-31
Last updated
2011-02-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Intradermal Test

Brief summary

This study aims to compare skin reactivity results between morphine and histamine as a positive control agents in intradermal skin test.

Detailed description

Histamine hydrochloride and different concentrations of morphine sulfate will be intradermally injected and wheal diameter size will be comparatively measured between 15-30 minutes' time points after the test.

Interventions

None listed

Sponsors

Chulalongkorn University
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

* age 18-60 years old

Exclusion criteria

* immunodeficiency state * cancer * severe skin diseases * severe medical illnesses * malnutrition * uncontrolled asthma * pregnancy * received oral or systemic corticosteroid within 1 month before this study * receiving immunosuppressive agents * taken antihistamine within 3 days before this study * taking beta-blocker * previous history of immunotherapy * have hypersensitivity reaction to morphine/opiates

Design outcomes

Primary

MeasureTime frame
Wheal diameter from morphine skin test at different concentrations compared to standard histamine between 15-30 minutes after skin test30 minutes

Secondary

MeasureTime frame
Side effects24 hours

Countries

Thailand

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026