No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Prior Safety Data
This treatment has already been tested in at least one earlier human trial.
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At a Glance
Age
18 and older
Sex
Any
Trial phase
Phase 4
Study type
Interventional
Purpose
Treatment
Participants needed
40 (estimated)
Sponsor
Simon Francis Thomsen · Other
Who this trial is looking for
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This study is a multicentre, randomized, open-label, non-inferiority clinical trial.
The purpose and aim of this study is to investigate if patients with well controlled (UCT score score ≥ 12) chronic spontaneous urticaria (CSU) on omalizumab 300 mg every four weeks can extend treatment intervals and maintain disease control.
Trial Locations
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Status
Eligibility Criteria
Inclusion Criteria:
* A diagnosis of CSU according to the EAACI/GA2LEN/EDF/WAO guidelines.
* Age ≥ 18 years.
* Omalizumab-naïve prior to initiating treatment with omalizumab.
* Background treatment with four antihistamines daily.
* Candidate for omalizumab treatment according to Danish guidelines.
…
Inclusion Criteria:
* A diagnosis of CSU according to the EAACI/GA2LEN/EDF/WAO guidelines.
* Age ≥ 18 years.
* Omalizumab-naïve prior to initiating treatment with omalizumab.
* Background treatment with four antihistamines daily.
* Candidate for omalizumab treatment according to Danish guidelines.
Exclusion Criteria:
* Pregnant or breastfeeding women.
* Planned pregnancy within the next 6 months.
* Weight ≥ 100 kilograms.
* Presence of any other active skin disease or condition that may interfere with the assessment of CSU, such as atopic dermatitis, bullous pemphigoid, senile pruritus, or psoriasis.
* Use of immunosuppressive drugs, such as prednisolone, azathioprine, methotrexate, or cyclosporine.
* Predominantly experience symptoms from chronic inducible urticaria (CIndU).
* Inability to complete study or comply with study procedures.
Patients with a positive basophil histamine release assay (BHRA) are not eligible for the study. Patients may therefore be withdrawn from the trial after enrolment, if they are found to have a positive BHRA test in the initial blood work.
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