Anti-histamines and Methacholine Challenges.

NCT01985789 · clinicaltrials.gov ↗

PHASE4

Phase

COMPLETED

Status

12

Enrollment

OTHER

Sponsor class

Conditions

Asthma

Interventions

DRUG: Diphenhydramine
DRUG: cetirizine
DRUG: desloratadine
DRUG: placebo

Sponsor

Don Cockcroft