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Home › Medications › desloratadine

desloratadine

2 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials of desloratadine

7 trials tracked of desloratadine: 5 in phase 3 or 4.

7Trials tracked
5Phase 3 & 4
0Recruiting
0With published results
Phase distribution
Phase 4 4 Phase 3 1 Other / NA 2
  1. Phase 4 The Duration of the Suppressive Effects of Desloratadine on Allergen Prick Tests After Discontinuation (P04441) Completed
  2. Phase 4 CUTE (Chronic Urticaria Treatment Evaluation) Completed
  3. Phase 4 Multi-center, Pediatric, Open-label, Preference Study of Desloratadine 2.5 mg Reditab (SCH34117) and Zyrtec 5.0 mg Chewable Tablet Medications (Study P04574)(COMPLETED) Completed
  4. Phase 4 Multi-Center, Pediatric, Open-Label, Preference Study of Desloratadine 2.5 mg Reditab (SCH34117) and Zyrtec ® 5.0 mg Chewable Tablet Medications (Study P04573) (Completed) Completed
  5. Phase 3 An Efficacy and Safety Study of Desloratadine (MK-4117) in Japanese Participants With Chronic Urticaria (MK-4117-201) Completed
  6. N/A Safety of Aerius Syrup in Pediatric Patients Aged 1-5 Years Old With Allergic Rhinitis or Chronic Idiopathic Urticaria (Study P04446AM1)(COMPLETED) Completed
Show 1 more trials
  1. N/A Evaluation of Desloratadine When Used in Patients With Either Allergic Rhinitis or Chronic Idiopathic Urticaria Completed

Showing the 7 most-cited and recently-updated of 7 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
Olopatadine and mizolastine are more effective than placebo for total symptom scores in chronic urticaria
Oncology Meta-analysis
Olopatadine and mizolastine are more effective than placebo for total symptom scores in chronic urticaria Specific Antihistamines Show Different Success Rates for Chronic Urticaria
This network meta-analysis of 54 studies involving 7,290 patients evaluated 10 second-generation H1 antihistamines for chronic urticaria. Th…
Different antihistamines may offer varying levels of relief for itching and skin welts in patients with chronic urticaria.
Frontiers Aug 15, 2026
Montelukast and oral antihistamines improve daytime allergic rhinitis symptoms
Allergy & Immunology Meta-analysis
Montelukast and oral antihistamines improve daytime allergic rhinitis symptoms Combination therapy beats single drug for daytime allergy symptoms
A meta-analysis finds combination therapy significantly improves daytime symptoms in allergic rhinitis, with limited benefits for nighttime …
Combining two common allergy drugs works better for daytime relief than taking just one, but the extra pill might not help you sleep at nigh…
May 5, 2026