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Interest of Challenge Tests for Diagnosis of Immediate Hypersensitivity Against Iodinated Contrast Agents (DHIODE)

C

Centre Hospitalier Régional Metz-Thionville

Status

Completed

Conditions

Allergic Reaction

Study type

Observational

Funder types

Other

Identifiers

NCT03525496
2018-01Obs-CHRMT

Details and patient eligibility

About

Iodinated contrast agents (ICA) are widely used in medical imaging. They provide however a risk of immediate hypersensitivity reactions (IHS). The risk of anaphylactic shock is estimated at 1/100 000 injections. Nevertheless, for safety reasons and to limit undesirable effects, the reintroduction tests are not conducted along similar lines to throughout scan or arteriography. Moreover, reintroduction protocols are actually not standardized, in terms of injected volume and doses progression. It should be evaluated the relevance of the reintroduction tests with injection of a low volume and ensure the absence of reaction during the ICA injections Under real conditions.

The investigators are assuming that the realization of a provocation test by intravenous reintroduction with a reduced dose of ICA improves the predictive value of IHS in comparison with only cutaneous tests.

Full description

The main objective of this study will be to estimate the negative predictive value of the combination of cutaneous tests and provocation test by intravenous reintroduction in the IHS to iodinated contrast agents.

Enrollment

85 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Major patient
  • Having suffered single-blind reintroduction
  • Having benefited from cutaneous tests and ICA reintroduction test in the framework of IHS

Exclusion criteria

  • Patient with delayed hypersensitivity
  • Opposed to use data

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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