Skip to content

Efficacy and Safety of CM336 (BCMA/CD3 Bispecific Antibody) in the Treatment of Moderate to Severe Blistering Diseases:Phase I/II Clinical Study

Evaluate the Efficacy and Safety of CM336 (BCMA/CD3 Bispecific Antibody) in Adult Patients with Moderate to Severe Autoimmune Blistering Diseases:An Open-Label, Dose-Escalation Phase I/II Clinical Study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500095272
Enrollment
Unknown
Registered
2025-01-03
Start date
2025-04-01
Completion date
Unknown
Last updated
2025-01-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

pemphigus vulgaris and bullous pemphigoid

Interventions

Pemphigus Vulgaris group:CM336 (BCMA/CD3 Bispecific Antibody)
Bullous Pemphigoid group:CM336 (BCMA/CD3 Bispecific Antibody)

Sponsors

Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Venerology, Shandong First Medical University & Shandong Academy of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1.Patients meeting diagnostic criteria for pemphigus vulgaris (a: clinical manifestations of flaccid vesicles, erosions on skin and mucous membranes, positive Nikolsky's sign; b: histopathological examination showing intraepidermal vesicles and acantholysis; c: direct immunofluorescence revealing IgG and C3 intercellular deposition) or bullous pemphigoid (a: clinical manifestations of flaccid vesicles, erosions on skin and mucous membranes, negative Nikolsky's sign; b: histopathological examination indicating subepidermal vesicles; c: direct immunofluorescence demonstrating IgG and/or C3 deposition in a reticular pattern at the basement membrane zone). 2.Adult patients aged 18-70 years. 3.Moderate to severe pemphigus vulgaris (PDAI score: moderate 9-24, severe >25) or moderate to severe bullous pemphigoid (BPDAI score: moderate 20-56, severe >57). 4.Treatment-naïve to CM336. 5.Provided written informed consent. 6. Able to adhere to the treatment schedule and follow-up protocol.

Exclusion criteria

Exclusion criteria: 1.Patients who are either under the age of 18 or over the age of 70; 2.individuals with contraindications to medication use, encompassing severe cardiovascular diseases, significant hepatic or renal impairment, active and severe infections, history of severe infusion reactions, a known history of severe allergic reactions to related medications, a history of cancer, pregnant and lactating women, as well as those who have recently received or are scheduled to receive vaccinations.

Design outcomes

Primary

MeasureTime frame
The proportion of patients achieving complete remission at 24 weeks with minimal dose of prednisone (or equivalent) treatment.;

Secondary

MeasureTime frame
Relapse rates;The proportion of pathogenic antibodies converting to negative.;Cumulative glucocorticoid dose (prednisone equivalent);complete remission off therapy;

Countries

China

Contacts

Public ContactZhang Furen

Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Venerology, Shandong First Medical University & Shandong Academy of Medical Sciences

zhangfuren@hotmail.com+86 531 87298808

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026