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An Extension Clinical Study of the Efficacy and Safety of BCD-132 in Patients With Multiple Sclerosis Who Previously Received Therapy in Clinical Studies of JSC BIOCAD

Phase 3
Completed
Conditions
Multiple Sclerosis
Interventions
Registration Number
NCT06987851
Lead Sponsor
Biocad
Brief Summary

The aim of this clinical study is to assess the long-term efficacy and safety of BCD-132 (divozilimab) in patients with multiple sclerosis who previously participaded in BCD-132-2 and BCD-132-4/MIRANTIBUS studies

Detailed Description

Clinical study BCD-132-EXT is a Phase III study extension conducted after completion of BCD-132 500 mg therapy by subjects of clinical studies BCD-132-2 and BCD-132-4/MIRANTIBUS.

The study is designed as a multicenter, open-label, non-randomized, non-comparative, single-arm clinical study.

The study consists of a screening period (14 days), a treatment period (96 weeks) and a follow-up period (4 weeks). During treatment period, the subjects will receive the investigational product BCD-132 (divozilimab).

The duration of participation for each subject will be approximately 102 weeks.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
44
Inclusion Criteria
  • Written informed consent of the subject to participate in the study has been obtained.
  • The subject was in the BCD-132 500 mg group in BCD-132-2, then transferred to BCD-132-4/MIRANTIBUS and completed it according to the Protocol (completed all scheduled study visits).
  • Last administration of BCD-132 in BCD-132-4/MIRANTIBUS was performed at least 22 weeks before the planned date of the first drug administration in this clinical study.
Exclusion Criteria
  • Heart failure (NYHA class III/IV).
  • Malignancies detected after completion of study BCD-132-4/MIRANTIBUS and prior to signing the informed consent to participate in this study, as well as conditions (acute and chronic) precluding further treatment and participation in the study in the Investigator's opinion.
  • Metabolic abnormalities according to blood chemistry (including increased creatinine, urea, ALT, AST) and/or blood count abnormalities (including decreased white blood cell count, absolute lymphocyte count, absolute neutrophil count, platelet count, decreased hemoglobin concentration) identified at the screening and precluding further treatment and participation in the study in the Investigator's opinion.
  • Pregnancy, breastfeeding, or planned pregnancy at any time during the participation in the study and 48 weeks after the scheduled last administration of the product in this study.
  • Use, between the completion of participation in BCD-132-4/MIRANTIBUS and the signing of the informed consent for this study, of the following drugs: anti-B cell therapies (e.g., rituximab, ocrelizumab, abatacept, belimumab, ofatumumab, and others); alemtuzumab, daclizumab, teriflunomide, mitoxantrone, cladribine; cyclophosphamide, cyclosporine, azathioprine; mycophenolate mofetil, fingolimod and other sphingosine-1-phosphate (S1P) receptor modulators, natalizumab.
  • Known intolerance, including hypersensitivity to any component of BCD-132, premedication drugs, or conditions in which the above drugs are contraindicated in the Investigator's opinion.
  • Historical evidence of progressive multifocal leukoencephalopathy (PML).
  • Contraindications to MRI and the use of gadolinium-containing contrast agents, including, but not limited to, the presence of metal foreign bodies, artificial heart valves, electronic middle ear implants, pacemakers; allergies to gadolinium or gadolinium-containing contrast agents.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
BCD-132 (divozilimab)DivozilimabIntravenous infusion of BCD-132 every 24 weeks
Primary Outcome Measures
NameTimeMethod
Annualized relapse rate48 and 96 weeks
Secondary Outcome Measures
NameTimeMethod
Time to first relapse102 weeks
Proportion of patients without confirmed relapses48 and 96 weeks
Total number of T1 Gd+ lesions (per scan)48 and 100 weeks
Proportion of patients without contrast-enhancing lesions48 and 100 weeks
Proportion of patients without new or enlarging T2 lesions48 and 100 weeks
Number of new or enlarged T2 lesions48 and 100 weeks
Number of CUA (Combined Unique Active) lesions48 and 100 weeks

Total number of new contrast-enhancing T1 lesions and new T2 lesions or enlarged T2-weighted lesions without double counting on MRI (Combined Unique Active)

Changes over time in neurological deficit parameters according to the Expanded Disability Status Scale (EDSS)102 weeks
Changes over time in Timed 25-Foot Walk Test102 weeks
Changes over time in 9-Hole Peg Test102 weeks
Changes over time in Symbol Digit Modalities Test (SDMT)102 weeks
Changes over time in quality of life indicators assessed with the SF-36 questionnaire102 weeks

Trial Locations

Locations (15)

Vyacheslav Andreyevich Dudin

🇷🇺

Kirov, Russian Federation

Dmitry Vladimirovich Pokhabov

🇷🇺

Krasnoyarsk, Russian Federation

Ivan Aleksandrovich Shchukin

🇷🇺

Moscow, Russian Federation

Sergey Viktorovich Kotov

🇷🇺

Moscow, Russian Federation

Elena Vladimirovna Parshina

🇷🇺

Nizhny Novgorod, Russian Federation

Irina Aleksandrovna Sokolova

🇷🇺

Nizhny Novgorod, Russian Federation

Gennady Nikolayevich Mishin

🇷🇺

Pyatigorsk, Russian Federation

Yuri Vladimirovich Trinitatsky

🇷🇺

Rostov-on-don, Russian Federation

Zoya Aleksandrovna Goncharova

🇷🇺

Rostov-on-Don, Russian Federation

Irina Yevgenyevna Poverennova

🇷🇺

Samara, Russian Federation

Leonid Grigoryevich Zaslavsky

🇷🇺

St. Petersburg, Russian Federation

Natalya Agafonovna Totolyan

🇷🇺

St. Petersburg, Russian Federation

Valentina Mikhaylovna Alifirova

🇷🇺

Tomsk, Russian Federation

Stella Anatolyevna Sivertseva

🇷🇺

Tyumen, Russian Federation

Irina Vladimirovna Greshnova

🇷🇺

Ulyanovsk, Russian Federation

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