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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT05115110
Registration number
NCT05115110
Ethics application status
Date submitted
1/11/2021
Date registered
10/11/2021
Date last updated
31/05/2024
Titles & IDs
Public title
A Study to Investigate the Safety and Efficacy of RO7204239 in Combination With Risdiplam (RO7034067) in Participants With Spinal Muscular Atrophy
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Scientific title
A Two-Part, Seamless, Multi-Center, Randomized, Placebo-Controlled, Double-Blind Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Efficacy of RO7204239 in Combination With Risdiplam (RO7034067) in Patients With Spinal Muscular Atrophy
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Secondary ID [1]
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BN42644
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Universal Trial Number (UTN)
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Trial acronym
MANATEE
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Spinal Muscular Atrophy (SMA)
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Condition category
Condition code
Musculoskeletal
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Other muscular and skeletal disorders
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Neurological
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Other neurological disorders
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Other
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Research that is not of generic health relevance and not applicable to specific health categories listed above
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - RO7204239
Treatment: Drugs - Placebo
Treatment: Drugs - Risdiplam
Experimental: RO7204239 + Risdiplam - Participants who have not previously been treated with risdiplam will receive risdiplam for at least 8 weeks prior to randomization into a treatment group (Part 1 only). Participants that have been treated with risdiplam for at least 8 continuous weeks immediately prior to joining the study may be immediately randomized to combination therapy, or join the study run-in period (the period between screening and randomization to a treatment group) where they will continue to receive risdiplam monotherapy until randomization.
Participants enrolled in Part 1 will receive RO7204239 (low or high dose) + risdiplam for 24 weeks, followed by RO7204239 + risdiplam for 72 weeks.
Participants enrolled in Part 2 will receive risdiplam for 8 weeks and then treatment with RO7204239 + risdiplam for 72 weeks.
Once the treatment period has completed (Part 1 or Part 2), participants will have the option of treatment with RO7204239 + risdiplam for 2 additional years.
Active Comparator: Placebo + Risdiplam - Participants who have not previously been treated with risdiplam will receive risdiplam for at least 8 weeks prior to randomization into a treatment group (Part 1 only). Participants that have been treated with risdiplam for at least 8 continuous weeks immediately prior to joining the study may be immediately randomized to combination therapy, or join the study run-in period (the period between screening and randomization to a treatment group) where they will continue to receive risdiplam monotherapy until randomization.
Participants enrolled in Part 1 will receive placebo (low or high dose-matched) + risdiplam for 24 weeks, followed by RO7204239 + risdiplam for 72 weeks.
Participants enrolled in Part 2 will receive risdiplam for 8 weeks and then treatment with placebo + risdiplam for 72 weeks.
Once the treatment period has completed (Part 1 or Part 2), participants will have the option of treatment with RO7204239 + risdiplam for 2 additional years.
Treatment: Drugs: RO7204239
RO7204239 will administered every 4 weeks (Q4W) by subcutaneous (SC) injection into the abdomen.
RO7204239 will be investigated at low- and high-dose in Part 1.
Treatment: Drugs: Placebo
Placebo will be administered Q4W by SC injection into the abdomen.
Treatment: Drugs: Risdiplam
Risdiplam will be administered orally once daily (QD) for the duration of the study.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Part 1 - Percentage of participants with adverse events (AEs)
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Assessment method [1]
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Timepoint [1]
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Up to 4.5 years
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Primary outcome [2]
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Part 1 - Incidence of relevant echocardiographic parameter z scores > 2
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Assessment method [2]
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Timepoint [2]
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Up to 4.5 years
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Primary outcome [3]
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Part 1 - Serum concentration of RO7204239
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Assessment method [3]
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Timepoint [3]
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Through Week 96
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Primary outcome [4]
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Part 1 - Time to maximum serum concentration (Cmax) of RO7204239
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Assessment method [4]
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Timepoint [4]
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Through Week 96
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Primary outcome [5]
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Part 1 - Area under the curve (AUC) of RO7204239
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Assessment method [5]
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Timepoint [5]
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Through Week 96
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Primary outcome [6]
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Part 1 - Trough concentration (Ctrough) of RO7204239
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Assessment method [6]
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Timepoint [6]
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Through Week 96
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Primary outcome [7]
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Part 1 - Plasma concentration of risdiplam
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Assessment method [7]
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Timepoint [7]
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Week 21
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Primary outcome [8]
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Part 1 - Plasma concentration of risdiplam metabolite (M1)
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Assessment method [8]
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Timepoint [8]
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Week 21
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Primary outcome [9]
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Part 1 - Cmax of risdiplam
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Assessment method [9]
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Timepoint [9]
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Week 21
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Primary outcome [10]
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Part 1 - AUC of risdiplam
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Assessment method [10]
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Timepoint [10]
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Week 21
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Primary outcome [11]
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Part 1 - Ctrough of risdiplam
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Assessment method [11]
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Timepoint [11]
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Week 21
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Primary outcome [12]
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Part 1 - Incidence of anti-drug antibodies (ADAs)
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Assessment method [12]
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Timepoint [12]
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Through Week 96
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Primary outcome [13]
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Part 1 - Change from baseline in serum concentration of total myostatin
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Assessment method [13]
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Timepoint [13]
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Through Week 85
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Primary outcome [14]
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Part 1 - Change from baseline in serum concentration of free latent myostatin
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Assessment method [14]
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Timepoint [14]
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Through Week 85
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Primary outcome [15]
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Part 1 - Change from baseline in serum concentration of mature myostatin
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Assessment method [15]
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Timepoint [15]
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Through Week 85
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Primary outcome [16]
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Part 1 - Percent change from baseline in the contractile area of skeletal muscle in the dominant thigh muscles as assessed by magnetic resonance imaging (MRI) in participants aged at least 5 years
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Assessment method [16]
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Timepoint [16]
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Week 24 of combination treatment
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Primary outcome [17]
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Part 1 - Percent change from baseline in the contractile area of skeletal muscle in the dominant calf muscles as assessed by MRI in participants aged at least 5 years
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Assessment method [17]
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Timepoint [17]
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Week 24 of combination treatment
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Primary outcome [18]
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Part 2 - Change from baseline in Revised Hammersmith Scale (RHS) total score
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Assessment method [18]
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Timepoint [18]
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Week 72 of combination treatment (study Week 80)
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Secondary outcome [1]
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Part 2 - Change from baseline in Motor Function Measure (MFM) Domain 1 + Domain 2 (D1 + D2) score
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Assessment method [1]
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Timepoint [1]
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Week 72 of combination treatment (study Week 80)
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Secondary outcome [2]
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Part 2 - Change from baseline in MFM-32 total score
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Assessment method [2]
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Timepoint [2]
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Week 72 of combination treatment (study Week 80)
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Secondary outcome [3]
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Part 2 - Change from baseline in time taken to rise from the floor as measured by RHS Item 25
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Assessment method [3]
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Timepoint [3]
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Week 72 of combination treatment (study Week 80)
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Secondary outcome [4]
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Part 2 - Change from baseline in time taken to walk/run 10 meters as measured by RHS Item 19
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Assessment method [4]
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Timepoint [4]
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Week 72 of combination treatment (study Week 80)
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Secondary outcome [5]
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Part 2 - Percent change from baseline in lean mass as assessed by full body dual energy X-ray absorptiometry (DXA) scan in participants aged at least 5 years
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Assessment method [5]
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Timepoint [5]
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Week 72 of combination treatment (study Week 80)
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Secondary outcome [6]
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Part 2 - Percentage of participants with adverse events (AEs)
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Assessment method [6]
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Timepoint [6]
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Up to 4.5 years
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Secondary outcome [7]
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Part 2 - Serum concentration of RO7204239
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Assessment method [7]
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Timepoint [7]
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Through Week 80
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Secondary outcome [8]
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Part 2 - Cmax of RO7204239
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Assessment method [8]
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Timepoint [8]
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Through Week 80
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Secondary outcome [9]
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Part 2 - AUC of RO7204239
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Assessment method [9]
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0
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Timepoint [9]
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Through Week 80
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Secondary outcome [10]
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Part 2 - Ctrough of RO7204239
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Assessment method [10]
0
0
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Timepoint [10]
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Through Week 80
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Secondary outcome [11]
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Part 2 - Plasma concentration of risdiplam
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Assessment method [11]
0
0
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Timepoint [11]
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Week 32
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Secondary outcome [12]
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0
Part 2 - Plasma concentration of risdiplam metabolite (M1)
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Assessment method [12]
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0
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Timepoint [12]
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Week 32
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Secondary outcome [13]
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Part 2 - Cmax of risdiplam
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Assessment method [13]
0
0
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Timepoint [13]
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Week 32
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Secondary outcome [14]
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0
Part 2 - AUC of risdiplam
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Assessment method [14]
0
0
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Timepoint [14]
0
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Week 32
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Secondary outcome [15]
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Part 2 - Ctrough of risdiplam
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Assessment method [15]
0
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Timepoint [15]
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Week 32
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Secondary outcome [16]
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Part 2 - Incidence of ADAs
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Assessment method [16]
0
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Timepoint [16]
0
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Through Week 80
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Eligibility
Key inclusion criteria
- Age at screening: Part 1 Cohorts A (ambulant participants), B (ambulant participants),
and D (non-ambulant participants): 5-10 years, inclusive; Part 1 Cohort C (ambulant
participants): 2-4 years, inclusive; Part 2 (ambulant participants): 2-25 years,
inclusive
- Participants who have a confirmed genetic diagnosis of 5q-autosomal recessive SMA
- Symptomatic SMA disease, as per investigator's clinical judgement
- Participants who have received previous SMA disease-modifying therapies may be
included provided that: Onasemnogene abeparvovec was received at least 90 days prior
to screening. Participants should be tapered off steroids prior to receiving
risdiplam. In addition, participants should have normal levels of liver function
tests, coagulatory parameters, platelets, and troponin-I at 90 days after
administration of onasemnogene abeparvovec or at least 1 month after tapering off
corticosteroids, whichever comes later; Nusinersen last dose was received at least 90
days prior to screening; Risdiplam is switched to the investigational medicinal
product (IMP) provided by the site
Inclusion Criteria for Part 1 Cohorts A, B, and C and Part 2 only:
- Participants who are ambulant, where ambulant is defined as able to walk/run
unassisted (i.e., without the use of assistive devices such as canes, walking sticks,
crutches, walkers, person/hand-held assistance, braces, orthoses, over the malleoli
insoles or any other type of support) 10 meters in = 30 seconds as measures by the
Timed 10-Meter Walk/Run Test [10MWRT] at screening
Inclusion Criteria for Part 1 Cohort D only:
- Participants who are able to sit, defined by: A score of 3 on Item 9 of the MFM32
(sitting without upper limb support while maintaining contact between the two hands
for 5 seconds); A score of at least 2 on Item 10 of the MFM32 (while seated, leaning
forward to touch a tennis ball and sitting back again, either with or without upper
limb support)
- Participants who are able to raise a standardized plastic cup with a 200g weight in it
to the mouth, using both hands if necessary, defined by a score of 3 on the entry item
of the Revised Upper Limb Module (RULM)
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Minimum age
2
Years
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Maximum age
25
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
- Concomitant or previous participation in any investigational drug or device study
within 90 days prior to screening or 5 half-lives of the drug whichever is longer,
with the exception of those who have completed a risdiplam study, or participated in a
nusinersen or onasemnogene abeparvovec study
- Receiving or have received previous administration of anti-myostatin therapies
- Any history of cell therapy
- Hospitalization for a pulmonary event within the last 2 months or planned
hospitalization at the time of screening
- Past surgery for scoliosis or hip fixation in the 6 months preceding screening or
planned within the next 9 months (Part 1) or 21 months (Part 2)
- Unstable gastrointestinal, renal, hepatic, endocrine, or cardiovascular system
diseases considered to be clinically significant
- Clinically significant ECG abnormalities at screening from average of triplicate
measurement, abnormal findings at echocardiography, or cardiovascular disease
indicating a safety risk for participants at the time of screening
- Any major illness within 1 month before screening
- Received any multidrug and toxin extrusion (MATE1/2K) substrates within 2 weeks before
screening
- Hereditary fructose intolerance
- Used any of the following medications within 90 days prior to screening: riluzole,
valproic acid, hydroxyurea, sodium phenylbutyrate, butyrate derivatives, creatine,
carnitine, growth hormone, anabolic steroids, probenecid, acetyl cholinesterase
inhibitors, agents that could potentially increase or decrease muscle strength, and
agents with known or presumed histone deacetylase (HDAC) inhibitory effect
- Clinically significant abnormalities in laboratory test results at the time of
screening
- Ascertained or presumptive hypersensitivity to RO7204239 or risdiplam, or to the
constituents of its formulations
- Clinically relevant history of anaphylactic reaction requiring inotropic support
- Any abnormal skin conditions, pigmentation or lesions in the area intended for SC
injection (abdomen) and that would prevent visualization of potential injection site
reactions to RO7204239
- Immobilization, surgical procedures, fracture, or trauma to the upper or lower limbs
within 90 days prior to screening
Exclusion Criteria for Part 1 Cohorts A and B only:
- Participants with contraindications for MRI scan (including, but not restricted to,
claustrophobia, pacemaker, artificial heart valves, cochlear implants, presence of
foreign metal objects in heart or body, including spinal rods, intracranial vascular
clips, insulin pumps, etc.), difficulties maintaining a prolonged supine position, or
any other clinical history or examination finding that would pose a potential hazard
in combination with MRI
Exclusion Criteria for Part 1 Cohort D only:
- Participants who are unable to adopt the correct position to endure adequate quality
of DXA scan acquisition, as determined by the DXA scan technologist
- Participants who have contractures at screening that would interfere with DXA scan
acquisition or functional assessments, as confirmed by the DXA scan technologist and
clinical evaluator
- For participants able to take steps only: Able to walk unassisted (i.e., without the
use of assistive devices such as canes, walking sticks, crutches, walkers, person/hand
held assistance, braces, orthoses, over the malleoli insoles or any other type of
support) 10 meters in = 30 seconds as measured by the timed 10MWRT at screening
- Participants who have severe scoliosis (curvature > 40°) at screening based on the
participant's most recent X-ray as performed per standard of care or scoliosis that
would interfere with functional assessments, as confirmed by the clinical evaluator.
An X-ray is not required if it is not clinically indicated (e.g., in participants with
mild scoliosis)
- Participants who require invasive ventilation, tracheostomy, or the use of noninvasive
ventilation (e.g., bilevel positive airway pressure) during the daytime
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2/Phase 3
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
2/06/2022
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
27/06/2026
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Actual
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Sample size
Target
259
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Sydney Children's Hospital; CENTRE FOR CHILD HEALTH RESEARCH & INNOVATION (CHeRI) - Randwick
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Recruitment postcode(s) [1]
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2031 - Randwick
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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Massachusetts
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Country [2]
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United States of America
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State/province [2]
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New York
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Country [3]
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United States of America
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State/province [3]
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Texas
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Country [4]
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0
Belgium
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State/province [4]
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Gent
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Country [5]
0
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Belgium
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State/province [5]
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Liège
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Country [6]
0
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Canada
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State/province [6]
0
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Quebec
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Country [7]
0
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Croatia
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State/province [7]
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0
Zagreb
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Country [8]
0
0
Italy
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State/province [8]
0
0
Lazio
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Country [9]
0
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Italy
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State/province [9]
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0
Liguria
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Country [10]
0
0
Italy
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State/province [10]
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0
Lombardia
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Country [11]
0
0
Italy
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State/province [11]
0
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Marche
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Country [12]
0
0
Japan
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State/province [12]
0
0
Hyogo
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Country [13]
0
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Japan
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State/province [13]
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Kagoshima
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Country [14]
0
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Japan
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State/province [14]
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Tokyo
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Netherlands
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State/province [15]
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0
Utrecht
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Country [16]
0
0
Poland
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State/province [16]
0
0
?ód?
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Country [17]
0
0
Poland
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State/province [17]
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0
Gda?sk
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Country [18]
0
0
Poland
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State/province [18]
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Pozna?
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Country [19]
0
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Poland
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State/province [19]
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0
Warszawa
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Country [20]
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Portugal
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State/province [20]
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Lisboa
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Country [21]
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Spain
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State/province [21]
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Barcelona
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Country [22]
0
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Spain
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State/province [22]
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Madrid
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Spain
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State/province [23]
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Valencia
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0
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United Kingdom
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State/province [24]
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Birmingham
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0
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United Kingdom
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State/province [25]
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London
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Country [26]
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United Kingdom
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State/province [26]
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Oxford
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Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
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Name
Hoffmann-La Roche
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
Risdiplam works by helping the body produce more survival motor neuron (SMN) protein
throughout the body. This means fewer motor neurons - nerve cells that pass impulses from
nerves to muscles to cause movement - are lost, which may improve how well muscles work in
people with SMA. RO7204239 is an investigational anti-myostatin antibody that is designed to
target myostatin. Myostatin plays an important role in the regulation of skeletal muscle size
by controlling growth. Inhibiting myostatin may help muscles grow in size and strength.
RO7204239 in combination with risdiplam, which is designed to increase the amount of SMN
protein throughout the body, has the potential to further improve motor function and clinical
outcomes for people living with SMA.
This trial will study the safety and efficacy of RO7204239 in combination with risdiplam in
patients with spinal muscular atrophy (SMA). The trial has two parts; Part 1 is the
dose-finding part in SMA patients that are either ambulant (aged 2-10 years) or non-ambulant
(aged 5-10 years) within separate cohorts, and Part 2 is the pivotal part in SMA patients
aged 2-25 years that are ambulant.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT05115110
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Clinical Trials
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Address
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Hoffmann-La Roche
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Reference Study ID Number: BN42644 https://forpatients.roche.com/
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Address
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Country
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Phone
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888-662-6728
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT05115110
Download to PDF