Remibrutinib in real-world clinical practice: a prospective, multi-country, non-interventional, effectiveness and safety study (REASSERT)

27/01/2026
03/02/2026
EU PAS number:
EUPAS1000000889
Study
Ongoing
Study identification

EU PAS number

EUPAS1000000889

Study ID

1000000889

Official title and acronym

Remibrutinib in real-world clinical practice: a prospective, multi-country, non-interventional, effectiveness and safety study (REASSERT)

DARWIN EU® study

No

Study countries

Canada
China
Germany
Italy
Japan
Korea, Republic of
Spain
United States

Study description

This is a prospective, multi-country, non-interventional study in patients with CSU where the treatment decision prior enrolment has been made to either escalate current sgH1-AHs treatment or escalate/switch current treatment to remibrutinib.
The primary aim of this study is to gather real-world effectiveness and safety data for remibrutinib, covering a broader, real-world clinical practice population.
The study employs an umbrella design which brings the evidence needs from multiple countries under the REASSERT global program.
Countries will generate local protocol to be used in their country; the local study documentation will be a minimised version of the global document, modified to align with country’s evidence needs, given local disparities in treatment guidelines, access, physician type and ePROs/eDiaries used.
To achieve the core objectives the observation needs to include either the Urticaria Control Test (UCT) or Urticaria Activity Score over 7 days (UAS7) and the Dermatology Life Quality Index (DLQI). Data from all countries will be pooled and analyzed globally. In certain instances, some modifications of the global protocol may be permitted. For example, in countries where prospective monitoring of off-label antihistamines is prohibited, cohort 1 will not be enrolled.

Study status

Ongoing
Research institutions and networks

Institutions

Contact details

Novartis Clinical Disclosure Officer

Primary lead investigator

Study timelines

Date when funding contract was signed

Planned:

Study start date

Planned:
Actual:

Data analysis start date

Planned:

Date of final study report

Planned:
Sources of funding
Pharmaceutical company and other private sector 

More details on funding

Novartis Pharma AG
Regulatory

Was the study required by a regulatory body?

No

Is the study required by a Risk Management Plan (RMP)?

Not applicable