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Phase 3 Study of MT-0551 in Patients with Systemic Sclerosis

Phase 3 Study of MT-0551 in Patients with Systemic Sclerosis (Placebo-Controlled Double-Blind Study)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031210521
Enrollment
80
Registered
2021-12-26
Start date
2022-07-20
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Systemic Sclerosis

Interventions

(1)MT-0551 group Participants will receive intravenous (IV) inebilizumab on Day 1 and Day 15 of randomized controlled period (RCP). The participants who entered open label period (OLP) will receive I

Sponsors

Kondou Kazuoki
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1)ACR/European League Against Rheumatism (EULAR) criteria (2013) systemic sclerosis (SSc) diagnostic criteria satisfied. (2)Skin thickening score based on the mRTSS between 10 and 22 inclusive.

Exclusion criteria

Exclusion criteria: (1)Pulmonary hypertension associated with SSc. (2)Presence of a serious, SSc-related concurrent illness other than interstitial pneumonia. (3)Finding of inadequate respiratory reserve capacity. (4)Past history of rituximab, blinatumomab, obinutuzumab, or ofatumumab. (5)Presence of a clinically significant active infection requiring antimicrobial therapy. (6)A past history of cancer. (7)Past history of a recurrent, clinically significant infection. (8)Past history of severe allergy or anaphylactic reaction to a biologic drug product. (9)Treatment with live vaccine within a certain period (inactivated vaccine is acceptable).

Design outcomes

Primary

MeasureTime frame
Change from baseline in the mRTSS up to the end of the long-term extension period

Secondary

MeasureTime frame
(1)Pulmonary function tests: Change and percentage change from baseline in the percent predicted forced vital capacity (%FVC) and percent predicted diffusing capacity of the lung carbon monoxide (%DLco) (2)Change from baseline in the mRTSS (3)Composite response index in diffuse cutaneous systemic sclerosis

Contacts

Public ContactClinical Trials Information Desk

Tanabe Pharma Corporation

cti-inq-ml.JP@ml.tanabe-pharma.com+81-120-753-280

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026