Cerebral Palsy Clinical Trial
Official title:
The Efficacy, Safety and Tolerability of Sativex as an Adjunctive Treatment to Existing Anti-spasticity Medications in Children Aged 8 to 18 Years With Spasticity Due to Cerebral Palsy or Traumatic Central Nervous System Injury Who Have Not Responded Adequately to Their Existing Anti-spasticity Medications: a Parallel Group Randomised, Double-blind, Placebo-controlled Study Followed by a 24-week Open Label Extension Phase
NCT number | NCT01898520 |
Other study ID # | GWSP08258 |
Secondary ID | |
Status | Completed |
Phase | Phase 3 |
First received | |
Last updated | |
Start date | December 2013 |
Est. completion date | March 2017 |
Verified date | December 2022 |
Source | Jazz Pharmaceuticals |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
A study to assess the effects of Sativex treatment on spasticity in a population of children and adolescents aged from 8 to 18 years with cerebral palsy or traumatic central nervous system injury. Efficacy (ability to improve symptoms), safety and tolerability will be monitored.
Status | Completed |
Enrollment | 72 |
Est. completion date | March 2017 |
Est. primary completion date | September 2016 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 8 Years to 18 Years |
Eligibility | Inclusion Criteria: - Males and females aged between 8 and 18 years suffering from cerebral palsy or traumatic central nervous system injury. - Participant and/or authorised representative willing and able to give informed consent for participation in the study. - To have been under treatment for their spasticity for at least one year and to have reached a stage of non-progressive spasticity. - Participant able (in the investigators opinion) and willing to comply with all study requirements. - Participant has received inadequate efficacy and/or experienced unacceptable side effects from previous or current treatment with at least one of the following medications for spasticity: Baclofen, Diazepam (or another benzodiazepine), Dantrolene, Tizanidine, Gabapentin, Trihexyphenidyl. - Gross Motor Function Classification Scale Level III - V. - MAS of two or higher in at least one muscle group. - Participant and/or authorised representative willing for his or her name to be notified to the responsible authorities for participation in this study, as applicable in individual countries. - Participant and/or authorised representative willing to allow his or her primary care practitioner and consultant, if appropriate, to be notified of participation in the study. Exclusion Criteria: - Any known or suspected history of: - Schizophrenia or other psychotic illness, or diagnosis of schizophrenia in a first-degree relative. - Alcohol or substance abuse. - Any known or suspected hypersensitivity to cannabinoids or any of the excipients of the IMP(s) - Use of cannabis or cannabinoid based medications (including within 30 days or 60 days of study entry respectively). - Weight less than 15 kg. - Female participants of child bearing potential and male participants whose partner is of child bearing potential, unless willing to ensure that they or their partner use effective contraception during the study and for three months thereafter. - Female participant who is pregnant, lactating or planning pregnancy during the course of the study and for three months thereafter. - Participants who have received an Investigational Medicinal Product (IMP) within the 12 weeks prior to the screening visit. - Has been treated with botulinum toxin in the previous 12 weeks. - Concomitant use of botulinum toxin - Any other significant disease or disorder, which, in the opinion of the investigator, may either put the participant at risk because of participation in the study, may influence the result of the study, or the participant's ability to participate in the study. - Following a physical examination, the participant has any abnormalities that, in the opinion of the investigator would prevent the participant from safe participation in the study. - Significant cardiac, renal or hepatic disease. - Planned surgical procedure during the randomised phase of the study. - Travel outside the country of residence planned during the study. - Participants previously randomised into this study. - Unwilling to abstain from donation of blood during the study |
Country | Name | City | State |
---|---|---|---|
Czechia | Center 14 | Prague | |
Israel | Center 7 | Tel Aviv | |
Israel | Center 8 | Tel Hashomer | |
United Kingdom | Center 2 | Bristol | |
United Kingdom | Center 6 | Cambridge | |
United Kingdom | Center 10 | Exeter | |
United Kingdom | Center 13 | Glasgow | |
United Kingdom | Center 3 | Liverpool | |
United Kingdom | Center 1 | London | |
United Kingdom | Center 5 | London | |
United Kingdom | Center 12 | Norwich | |
United Kingdom | Center 9 | Nottingham | |
United Kingdom | Center 11 | Salisbury | |
United Kingdom | Center 4 | Sheffield |
Lead Sponsor | Collaborator |
---|---|
Jazz Pharmaceuticals |
Czechia, Israel, United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change from baseline to the end of 12 weeks' treatment in mean spasticity 0-10 NRS score | The spasticity 0-10 NRS was completed daily at bedtime using a paper study diary. The difference between spasticity and spasm was clearly explained to the caregiver. The primary caregiver was asked the following question: "This question is about your child's muscles and how soft or tight/hard they have felt today. Think carefully about how your child's muscles have felt today and circle a number from 0 to 10 that best describes this, where: 0 = 'my child's muscles have felt totally relaxed' and 10 = 'my child's muscles have felt the tightest/hardest they have ever felt'". A reduction in score indicates an improvement in condition. The mean spasticity 0-10 NRS score of the last 7 days of the baseline period was used for a patient's mean baseline score. The mean 0-10 NRS score of the last 7 days prior to completion/withdrawal was used for a patient's mean end of treatment score. |
Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean MTS score of the most affected limb | This study looked at the MTS in the worst affected limb only. The same limb was assessed at each visit, preferably also by the same examiner. The MTS used the following criteria: Individuals were positioned in the sitting position to test the upper extremities and a supine position to test the lower extremities Three speed definitions: V1 is slow as possible V2 speed of limb falling under gravity V3 moving as fast as possible The MTS describes R1 and R2. R1 is the angle of muscle reaction; R2 is the full passive range of movement. R2 is measured at V1 and R1 at V3. R2-R1 = dynamic tone component of the muscle. The relationship between R1 and R2 estimates the relative contributions of spasticity compared to contracture. A reduction in score indicates and improvement in condition. |
Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean MAS score of the main muscle groups of the upper and lower limb | Participants were tested in the supine position and participants were instructed to relax. Muscle groups in the ankle, knee, hip, shoulder, elbow and wrist were rated on a scale of 0 = No increase in muscle tone, 1 = Slight increase in muscle tone, manifested by a catch and release or by minimal resistance at the end of the range of motion when the affected part(s) is moved in flexion or extension, 1+ = Slight increase in muscle tone, manifested by a catch, followed by minimal resistance throughout the remainder (less than half) of the range of movement (ROM), 2 = More marked increase in muscle tone through most of the ROM, but affected part(s) easily moved, 3 = Considerable increase in muscle tone, passive movement difficult, 4 = Affected part(s) rigid in flexion or extension. The MAS was performed by the same examiner at each visit, where possible. A reduction in score indicates an improvement in condition. | Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean sleep quality 0-10 NRS score | The sleep quality 0-10 NRS was completed at the same time each day, ideally when waking in the morning. This questionnaire was designed to record the level of sleep disturbance. The primary caregiver was asked the following question: "This question is about how badly your child slept last night. Please mark a number from 0 to 10 that indicates how bad your child's sleep was where: 0 = My child had a night of non-stop sleep and 10 = My child was unable to sleep at all". A reduction in score indicates and improvement in condition. | Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean Paediatric Pain Profile (PPP) score | The PPP is a 20-item behaviour rating scale designed to assess pain in children with severe neurological disability. Each item is scored on a four point scale of 0 to 3 as occurring 'not at all' (zero) to 'a great deal' (three) in the given time period. The total score therefore will range from 0 to 60. The questionnaire was designed to be completed by the child's primary caregiver and was completed at each assessment visit during the study. A reduction in score indicates an improvement in condition. | Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean cerebral palsy QOL score | The cerebral palsy QOL-Child QoL questionnaire (aged 4-12 years) is a 66-item questionnaire that looks at eight important domains of life including friends and family; participation; communication; health; special equipment; pain and bother; access to services; and parents' health. Completed by the primary caregiver it assesses how the caregiver thinks the child feels about these aspects of their life. The numbers range from one (very unhappy) to nine (very happy). The teen questionnaire (aged 13-18 years) comes with two questionnaires, one to be completed by the participant, if applicable, and one by the primary caregiver. The first seven sections of the questionnaire are identical and look at seven important domains of life including friends and family; school; participation; communication; health, special equipment and pain and bother. The caregiver questionnaire has an additional section which looks at access to services. Increases in score indicate an improvement in condition. |
Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean comfort questionnaire outcome (time spent sitting in comfort) | The comfort questionnaire was completed at the same time each day, i.e. bedtime in the evening. The caregiver was asked to reflect on the whole day and record the longest number of minutes at any one time over which their child was able to sit in comfort for, without moving position. An increase in time indicates an improvement in condition. | Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean CDI 2 score | The CDI 2 contains 28 items, each of which consists of three statements (each scored 0-2 [0=best outcome, 2=worst outcome]). For each item, the participant is asked to select the statement that best describes his or her feelings. The assessment is designed for a variety of situations, including schools, child guidance clinics, pediatric practices, and child psychiatric settings. If the participant is unable to complete the questionnaire, the questionnaire will be left blank. A reduction in score indicates an improvement in condition. |
Day 0 - Day 84 | |
Secondary | Change from baseline to the end of 12 weeks' treatment in mean caregiver QOL (SF-36-II) score | The SF-36-II is a 36 item questionnaire that measures eight multi-item dimensions of health: physical functioning (10 items) social functioning (two items) role limitations due to physical problems (four items), role limitations due to emotional problems (three items), mental health (five items), energy/vitality (four items), pain (two items), and general health perception (five items). There is a further unscaled single item asking respondents about health change over the past year. For each dimension item scores are coded, summed, and transformed on to a scale from 0 (worst possible health state measured by the questionnaire) to 100 (best possible health state). An increase in score indicates an improvement in condition. | Day 0 - Day 84 | |
Secondary | CGIC response on participants general functional capabilities at the end of 12 weeks' treatment | The main caregiver was asked to assess the change in the participant's condition. Questions were rated on a seven-point scale: Very much worse, Much worse, Minimally worse, No change, Minimally better, Much better, Very much better. The caregiver was asked: "How have the participant's general functional abilities changed since Visit 2?" (i.e. change from baseline). The number of participants for each marker is presented. |
Day 84 | |
Secondary | CGIC response on participants ease of transfer at the end of 12 weeks' treatment | The main caregiver was asked to assess the change in the participant's condition. Questions were rated on a seven-point scale: Very much worse, Much worse, Minimally worse, No change, Minimally better, Much better, Very much better. The caregiver was asked: "How has the participant's ease of transfer changed since Visit 2?"(i.e. change from baseline). The number of participants for each marker is presented. |
Day 84 | |
Secondary | The incidence of adverse events during the randomised treatment period | The number of participants who reported an adverse event during the randomised treatment part of the study is presented. | Day 0 - Day 84 |
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