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Study identifier: NCT06723106 Synced from ClinicalTrials.gov · August 05, 2026
● Enrolling By Invitation

Phase 1b Long-term Extension Trial of RAY121 in Immunological Diseases (RAINBOW-LTE Trial)

Condition: Antiphospholipid Syndrome (APS) · Bullous Pemphigoid (BP) · Behçet's Syndrome (BS)  ·  Sponsor: Chugai Pharmaceutical

PhasePhase 1
Planned participants144
Who can joinAll sexes, 18 Years to 85 Years
Healthy volunteersNo

About this study

This is a long-term extension trial of RAY121 in patients with immunological diseases such as antiphospholipid syndrome (APS), bullous pemphigoid (BP), Behçet's Syndrome (BS), dermatomyositis (DM), immune-mediated necrotizing myopathy (IMNM) and immune thrombocytopenia (ITP).

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Locations (62)

Royal Prince Alfred HospitalCamperdown, New South Wales, Australia
Westmead HospitalSydney, New South Wales, Australia
Campbelltown Public HospitalSydney, New South Wales, Australia
The Alfred HospitalMelbourne, Victoria, Australia
Box Hill HospitalMelbourne, Victoria, Australia
AKH - Medizinische Universitaet Wien, Abteilung fuer Klinische PharmakologieVienna, Austria
Diagnostic Consultation Center CONVEX EOODSofia, Sofia City Province, Bulgaria
"SHATHD" EAD SofiaSofia, Sofia City Province, Bulgaria
UMHAT "Prof. Dr. St. Kirkovich", ADStara Zagora, Stara Zagora Province, Bulgaria
DiIEX Recherche Sherbrooke, IncSherbrooke, Quebec, Canada
Clinical Hospital Center "Sestre Milosrdnice"Zagreb, City of Zagreb, Croatia
University hospital centre ZagrebZagreb, City of Zagreb, Croatia

+ 50 more locations — full list on the registry record.

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