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Active, not recruitingNCT06268470Updated Feb 21, 2024

Antiplatelet Therapy in Chronic Urticaria

A Phase 2 interventional study of Desloratadine plus cilostazol and dipyridamole and Desloratadine in Chronic Urticaria, sponsored by Chulalongkorn University. Active, not recruiting at 1 site in Thailand. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2024-02-21.

Sponsored by Chulalongkorn University · Phase 2, Interventional, and Treatment

From the registry’s dates

  • Primary completion was expected by Mar 2024, 2 years 7 months ago, but the record still lists the study as active, not recruiting.
  • Registered 5 years 8 months after the study started (first participant enrolled Jun 2018, registered Feb 2024).
Phase
Phase 2
Study type
Interventional
Enrollment
12
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

This study compares the combination of antiplatelets and antihistamine versus antihistamine alone for the treatment of chronic spontaneous urticaria

Read the detailed description

This study is a randomized control trial comparing the effectiveness of the combination of antiplatelets and antihistamine and antihistamine alone for the treatment of chronic spontaneous urticaria

02

Conditions studied

  • Chronic Urticaria

Keywords

  • Chronic urticaria
  • antiplatelet
  • D-dimer
03

In context

Urticaria

237 studies on the registry are indexed under Urticaria; 26 are open to participants now.

This study's planned enrollment of 12 is below the median of 61 across 174 interventional studies indexed under Urticaria.

Browse Urticaria studies →

Lead sponsor

Chulalongkorn University is the lead sponsor of 312 studies on the registry; 59 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

Chronic spontaneous urticaria

D-dimer levels over 500 ng/ml

Not respond to a conventional dose of antihistamine

Exclusion criteria

Exclusion Criteria:

Are taking aspirin

Have bleeding tendency

Have concurrent severe medical illnesses

-

05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
12 participants (estimated)

Study arms

  • Active comparator
    Desloratadine

    Oral desloratadine 20 mg/day (antihistamine) for 4 weeks

    Drug: Desloratadine

  • Experimental
    Desloratadine plus cilostazol and dipyridamole

    Oral desloratadine 20 mg/day (antihistamine) in conjunction with cilostazol 150 mg/day and dipyridamole 50 mg/day (antiplatelets) for 4 weeks

    Drug: Desloratadine plus cilostazol and dipyridamole · Drug: Desloratadine

Interventions

  • DrugDesloratadine plus cilostazol and dipyridamole

    Desloratadine 20 mg/day plus cilostazol 150 mg/day and dipyridamole 50 mg/day

    Also known as: Antihistamine plus antiplatelets

  • DrugDesloratadine

    Desloratadine 20 mg/day

    Also known as: Antihistamine alone

06

What researchers measure

Primary outcomes

  1. Weekly urticaria activity score

    Urticaria activity score over 7 days (UAS7): scores 0-42 from mild to severe

    Time frame: 4 weeks

Secondary outcomes

  1. D-dimer levels

    D-dimer levels

    Time frame: 4 weeks

07

Study locations

1 site
  • Faculty of Medicine, Chulalongkorn University
    Bangkok, 10330, Thailand
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 21, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06268470
Lead sponsor
Chulalongkorn University
Responsible party
Assoc. Prof. Jettanong Klaewsongkram, MD. (Assoc. Prof. Jettanong Klaewsongkram, MD., Chulalongkorn University) — Principal investigator
First posted
Feb 20, 2024
Start date
Jun 1, 2018
Primary completion
Mar 1, 2024 (estimated)
Completion
May 1, 2024 (estimated)
Last update
Feb 21, 2024

Study contacts

Jettanong Klaewsongkram, MD
principal investigator · Chulalongkorn University

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Feb 2024. You cannot join it, but the record below documents what was studied.

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