- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02280083
A Study to Evaluate the Botulinum Toxin Type A for Injection(HengLi®) in Subjects With Post-stroke Upper Limb Spasticity
A Multicenter, Double-Blind, Randomized, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Botulinum Toxin Type A for Injection in Chinese Subjects With Post-stroke Upper Limb Spasticity
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The primary purpose is to prove the efficacy of treatment administration with Botulinum Toxin Type A for Injection (HengLi®) beyond placebo in subjects with post-stroke upper limb spasticity of both wrist and fingers flexors as measured on the Modified Ashworth Scale (MAS).
Subjects will receive a single treatment session of intramuscular HengLi® 200U or 240U (if thumb spasticity is present) or placebo after they first enroll the core phase randomly. Totally 180 subjects will be recruited in this part. Each completed subject should finish 8 (visit 0 to 7) clinic visits. Subjects will receive a single intramuscular treatment with either HengLi® or placebo at day 0 (visit 0). The else 7 visits are at week 1, 4, 6, 8, 12, 16 and 18 (visits 1 to 7) and week 6 (visit 3) is appointed as the primary visit to determine efficacy.
The primary endpoint is the change from baseline at week 6 for wrist flexor muscle tone as measured on the Modified Ashworth Scale (MAS). The secondary endpoints involve the area under curve (AUC) for the MAS wrist score change from baseline, change from baseline for wrist/finger/thumb flexor muscle tone as measured on MAS, DAS and GAS. The safety measures involve adverse events, clinical laboratory tests and pulse, blood pressure.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- ≥40kg in weight.
- Subjects voluntarily sign the informed consent.
- Subjects with upper limb spasticity who are at least 3 months post stroke and present with spasticity of both the wrist and fingers in the study limb.
- Both wrist flexor muscle tone and finger flexor muscle tone evaluation recorded 2 or greater individually as measured by MAS (0 to 4).
- At least one functional disability item (i.e., hygiene, dressing, pain, or cosmesis) evaluated 2 or greater by DAS (0 to 3).
- If using oral anti-spasticity medications, must be stable for at least 1 month prior to study enrolment.
- If taking any physical therapy or occupational therapy, must be stable on frequency, type, and intension for at least 1 month prior to study enrolment.
- In the opinion of the investigator, subject must clearly understand the intent of the study and be willing and able to comply with study instructions and complete the entire study.
Exclusion Criteria:
- Females who are pregnant, nursing, or planning a pregnancy during the study period, or females of childbearing potential, not using a reliable means of contraception.
- Known allergy or sensitivity to study medication or its components.
- Infection or dermatological condition at the injection sites.
- Significant inflammation in the study limb limiting joint movement.
- Unstable liver disease (as defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminaemia, esophageal or gastric varices or persistent jaundice), cirrhosis, known biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
- History of or planned surgical intervention for spasticity of the study limb.
- Participation in another clinical study currently, or within the one months immediately prior to enrolment.
- Within six months prior to the study had received any treatment of patients with botulinum toxin of any serotype.
- Any medical condition that may put the subject at increased risk with exposure , including diagnosed myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis, or any other disorder that might have interfered with neuromuscular function.
- History of or planned treatment for spasticity with phenol or alcohol block in the study limb.
- Current treatment for spasticity with an intrathecal baclofen.
- QTc criteria: (either QTcb or QTcf, machine or manual overread, males or females); include the following details as appropriate: QTc≥450 millisecond (msec) or≥480msec for subjects with Bundle Branch Block-values based on either single electrocardiogram (ECG) values or triplicate ECG averaged QTc values obtained over a brief recording period.
- Liver function tests: aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≥2xULN; alkaline phosphatase and bilirubin >1.5xULN (isolated bilirubin >1.5ULN is acceptable if bilirubin is fractionated and direct bilirubin <35%).
- Concurrent use of aminoglycoside antibiotics or other agents that might interfere with neuromuscular function.
- Presence of clinically unstable severe cardiovascular, renal or respiratory disease.
- Profound atrophy of muscles to be injected (in the investigators opinion).
- Planned or anticipated initiation of new antispasticity medications during the clinical study.
- History (within 3 months of qualification) of or planned (during study period) casting of the study limb.
- patients with severe cognitive impairment or neurological diseases affecting the implementation or evaluation of the test, and drug-dependent patients.
- Researchers believe there are other factors unfit to participate in this study of patients .
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Botulinum Toxin Type A for Injection
HengLi002(Botulinum Toxin Type A for Injection,also known as "HengLi®")
|
HengLi002(Botulinum Toxin Type A for Injection,also known as "HengLi®")
Other Names:
|
Placebo Comparator: placebo
excipient
|
placebo
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change From Baseline at Week 6 of Wrist Flexor Muscle Tone is calculated by the Modified Ashworth Scale (MAS)
Time Frame: Baseline (Day 0) and Week 6
|
The investigator, physiotherapist, or occupational therapist extended the participant's wrist as quickly as possible to grade flexor muscle tone.
The MAS wrist score was calculated by using the 6-point MAS (0, 1, 1+ [regarded as 1.5], 2, 3, and 4; 0=no increase in muscle tone; 4=affected part[s] rigid in flexion/extension).
Change from Baseline at Week 6 was calculated as the value at Week 6 minus the value at Baseline.
|
Baseline (Day 0) and Week 6
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Area Under the Curve (AUC) for the Change From Baseline at Weeks 6 and 12 for MAS Wrist Score
Time Frame: Baseline (Day 0), Week 6, and Week 12
|
horizontal axis (HA): plotting time points; vertical axis: Mean changes from Baseline for the MAS wrist score are calculated as the value at Week 6 and Week 12 minus the value at Baseline
|
Baseline (Day 0), Week 6, and Week 12
|
Change From Baseline at Weeks 1, 4, 8, 12, 16 and 18 for Wrist Flexor Muscle Tone are calculated by the MAS
Time Frame: Baseline (Day 0) and Weeks 1, 4, 8, 12, 16 and 18
|
The investigator, physiotherapist, or occupational therapist extended the participant's wrist as quickly as possible to grade flexor muscle tone.
The MAS wrist score was calculated by using the 6-point MAS (0, 1, 1+ [regarded as 1.5], 2, 3, and 4; 0=no increase in muscle tone; 4=affected part[s] rigid in flexion/extension).
Change from Baseline at the indicated time points was calculated as the value at the indicated time points minus the value at Baseline.
|
Baseline (Day 0) and Weeks 1, 4, 8, 12, 16 and 18
|
Proportion of subjects Classified as Wrist Treatment Responders at All Post-injection Visits
Time Frame: Weeks 1, 4, 6, 8, 12, 16 and 18
|
Definition of Wrist Treatment Responder: The MAS wrist score reduces at least 1 point.
The MAS wrist score was calculated by using the 6-point MAS (0, 1, 1+ [regarded as 1.5], 2, 3, and 4; 0=no increase in muscle tone; 4=affected part[s] rigid in flexion/extension).
|
Weeks 1, 4, 6, 8, 12, 16 and 18
|
Changes From Baseline at Week 1, 4, 6, 8, 12, 16 and 18 of Finger Flexor Muscle Tone are calculated by the MAS
Time Frame: Baseline (Day 0) and Weeks 1, 4, 6, 8, 12, 16 and 18
|
The investigator, physiotherapist, or occupational therapist extended the participant's finger as quickly as possible to grade the flexor muscle tone.
The MAS finger score was calculated by using the 6-point MAS (0, 1, 1+ [regarded as 1.5], 2, 3, and 4; 0=no increase in muscle tone; 4=affected part[s] rigid in flexion/extension).
Change from Baseline at the indicated time points was calculated as the value at Week 1, 4, 6, 8, and 12 minus the value at Baseline.
|
Baseline (Day 0) and Weeks 1, 4, 6, 8, 12, 16 and 18
|
Changes From Baseline at Week 1, 4, 6, 8, 12, 16 and 18 of Thumb Flexor Muscle Tone are calculated by the MAS
Time Frame: Baseline (Day 0) and Weeks 1, 4, 6, 8, 12, 16 and 18
|
The investigator, physiotherapist, or occupational therapist extended the participant's thumb as quickly as possible to grade the flexor muscle tone.
The MAS thumb score was calculated by using the 6-point MAS (0, 1, 1+ [regarded as 1.5], 2, 3, and 4; 0=no increase in muscle tone; 4=affected part[s] rigid in flexion/extension).
Change from Baseline at the indicated time points was calculated as the value at Week 1, 4, 6, 8, and 12 minus the value at Baseline.
|
Baseline (Day 0) and Weeks 1, 4, 6, 8, 12, 16 and 18
|
Changes From Baseline at Week 1, 4, 6, 8, 12, 16 and 18 of individual situations are calculated by the Disability Assessment Scale (DAS)
Time Frame: Baseline (Day 0) and Weeks 1, 4, 6, 8, 12, 16 and 18
|
The investigator evaluates 4 areas of disability, hygiene, pain, dressing, and limb posture, with the 4-point DAS (0=No functional disability to 3=Severe disability).
Prior to the initial administration, the investigator, in consultation with the participant, selects 1 functional disability item (The item should be scored 2 or greater as measured by the DAS, indicating moderate to severe disability) from the 4 areas of disability and assessed it as a principal measure.
Change from Baseline at the indicated time points was calculated at Week 1, 4, 6, 8, 12, 16 and 18 minus the value at Baseline.
|
Baseline (Day 0) and Weeks 1, 4, 6, 8, 12, 16 and 18
|
Global Assessment Scale (GAS) Score as Evaluated by the Physician at the Indicated Time Points
Time Frame: Weeks 1, 4, 6, 8, 12, 16 and 18
|
The investigators use the GAS to assess response after administration at each visit (visit 1 to 7).
The 9-point GAS (-4, -3, -2, -1, 0, +1, +2, +3, +4; -4=very marked worsening, 0=unchanged, +4=very marked improvement) is chosen to measure at the indicated time points.
|
Weeks 1, 4, 6, 8, 12, 16 and 18
|
GAS Score as Evaluated by the Care Giver or the Participants at the Indicated Time Points
Time Frame: Weeks 1, 4, 6, 8, 12, 16 and 18
|
The caregivers or participants take the GAS to assess response after administration at each visit (visit 1 to 7).
The 9-point GAS (-4, -3, -2, -1, 0, +1, +2, +3, +4; -4=very marked worsening, 0=unchanged, +4=very marked improvement) is chosen to measure at the indicated time points.
|
Weeks 1, 4, 6, 8, 12, 16 and 18
|
Collaborators and Investigators
Investigators
- Study Director: Xinhua Wan, archiater, Peking Union Medical College Hospital
- Principal Investigator: Shengyuan Yu, archiater, The General Hospital of People's Liberation Army(301 hospital)
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Cerebrovascular Disorders
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neurologic Manifestations
- Musculoskeletal Diseases
- Muscular Diseases
- Neuromuscular Manifestations
- Muscle Hypertonia
- Stroke
- Muscle Spasticity
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Cholinergic Agents
- Membrane Transport Modulators
- Acetylcholine Release Inhibitors
- Neuromuscular Agents
- Botulinum Toxins
- Botulinum Toxins, Type A
- abobotulinumtoxinA
Other Study ID Numbers
- HengLi002
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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