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Completed

NCT Number: NCT00853476

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

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

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Key information

Conditions

Age range

18 year–60 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Faculty of Medicine, Chulalongkorn University

Bangkok, 10330, Thailand

About this study

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.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

Primary outcomes

  1. Wheal diameter from morphine skin test at different concentrations compared to standard histamine between 15-30 minutes after skin test

    Time frame: 30 minutes

Secondary outcomes

  1. Side effects

    Time frame: 24 hours

Sponsors and collaborators

Lead sponsor

Chulalongkorn University

Other

Registry information

Important dates

Study start
2009
Primary completion
2009
Study completion
2009
First posted
Mar 2, 2009
Registry last updated
Feb 18, 2011

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.