6 studies found for:    Open Studies | "Histamine Antagonists"
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Show studies that were first received in the last 14 daysShow studies that were first received in the last 14 days
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Rank Status Study
1 Recruiting Study of Using Long Acting Antihistamine to Treat Opioid Induced Itching
Condition: Pruritus
Interventions: Drug: Cetirizine;   Drug: Placebo or sugar pill
2 Recruiting Omalizumab in Chronic Spontaneous Urticaria Patients Non Responding to Initial Standard antihistaminE Treatment
Intervention: Drug: OMALIZUMAB
3 Recruiting Efficacy and Safety of CRTH2 Antagonist AZD1981 in Chronic Idiopathic Urticaria (CIU) Antihistamines
Condition: Chronic Idiopathic Urticaria
Interventions: Drug: AZD1981;   Drug: Placebo
4 Recruiting A Clinical Trial Evaluating the Role of Systemic Antihistamine Therapy in the Reduction of Adverse Effects Associated With Topical 5-aminolevulinic Acid Photodynamic Therapy
Condition: Actinic Keratoses
Interventions: Drug: Antihistamine Cetirizine Hydrochloride;   Other: Placebo
5 Recruiting AWARE - Chronic Urticaria
Condition: Chronic Urticaria
6 Not yet recruiting Efficacy of Levocetirizine Fourfold Dosage in Chronic Spontaneous Urticaria
Condition: Chronic Spontaneous Urticaria
Interventions: Drug: Levocetirizine (as levocetirizine dihydrochloride), 5mg ( then 20 mg) per day . Oral administration.;   Drug: Levocetirizine, (as levocetirizine dihydrochloride) 20 mg ( then 5 mg) per day. Oral administration.

Indicates status has not been verified in more than two years