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A Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Efficacy of risdiplam (RO7034067) in Type 2 and 3 Spinal Muscular Atrophy Participants (Sunfish)

A Two-Part Seamless, Multi-Center Randomized, Placebo-Controlled, Double-blind Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Efficacy of risdiplam (RO7034067) in Type 2 and 3 Spinal Muscular Atrophy Patients

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080223666
Enrollment
168
Registered
2017-10-04
Start date
2018-04-03
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

Spinal Muscular Atrophy

Interventions

Sponsors

CHUGAI PHARMACEUTICAL CO., LTD.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Type 2 or 3 SMA non-ambulant - Confirmed diagnosis of 5q-autosomal recessive SMA 1) revised upper limb module(RULM) entry item A greater than or equal to [>=] 2; 2) ability to sit independently as assessed by item 9 of the motor function measure (MFM) - Negative blood pregnancy test at screening and agreement to comply with measures to prevent pregnancy and restrictions on sperm donation

Exclusion criteria

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 - Concomitant or previous participation at any time in a Survival of motor neuron (SMN)-2 targeting antisense oligonucleotide, SMN2 splicing modifier or gene therapy study - Any history of cell therapy - Hospitalization for a pulmonary event within the last 2 months or planned at time of screening - Surgery for scoliosis or hip fixation in the one year preceding screening or planned within the next 18 months - Unstable gastrointestinal, renal, hepatic, endocrine, or cardiovascular system diseases as considered to be clinically significant by the Investigator - Presence of clinically significant electrocardiogram (ECG) abnormalities before study drug administration from average of triplicate measurement or cardiovascular disease indicating a safety risk for participants as determined by the Investigator - Any major illness within one month before the screening examination or any febrile illness within one week prior to screening and up to first dose administration - Any OCT 2 and MATE substrates within 2 weeks before dosing (including but not limited to: amantadine, cimetidine, memantine, amiloride, famotidine, metformin, pindolol, ranitidine, procainamide, varenicline, acyclovir, ganciclovir, oxaliplatin, cephalexin, cephradine, fexofenadine). - Recently initiated treatment (within less than [<] 6 months prior to randomization) with oral salbutamol or another beta 2-adrenergic agonist taken orally - Any prior use of chloroquine, hydroxychloroquine, retigabin, vigabatrin or thioridazine, is not allowed - Ascertained or presumptive hypersensitivity (e.g., anaphylactic reaction) to RO7034067 or to the constituents of its formulation - Recent history (less than one year) of ophthalmological diseases

Design outcomes

Primary

MeasureTime frame
efficacy Part 2: Change from baseline in the total motor function measure 32 (MFM-32) score at Month 12 [ Time Frame: Baseline (Day -1) and Month 12 ]

Secondary

MeasureTime frame
safety efficacy confirmatory exploratory pharmacokinetics pharmacodynamics pharmacogenomics - Survival of Motor Neuron 2 (SMN2) Messenger Ribonucleic Acid (mRNA) Levels in Blood - Survival of Motor Neuron (SMN) Protein Levels in Blood - Change From Baseline in Total Score of Hammersmith Functional Motor Scale Expanded (HFMSE) at Month 12 - Change From Baseline in the Total Score of the Revised Upper Limb Module (RULM) at Month 12 - Percentage of Participants who Achieve Stabilization or Improvement (Defined as >= 0) in the Total Motor function measure (MFM) Score at Month 12 - Change From Baseline in the Best Sniff Nasal Inspiratory Pressure (SNIP) at Month 12 [ Time Frame: Baseline (Day-1) and Month 12 ] - Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) at Month 12 - Change From Baseline in Forced Vital Capacity (FVC) at Month 12 - Change From Baseline in the Peak Cough Flow (PCF) at Month 12 - Survival of Motor Neuron 2 (SMN2) Messenger Ribonucleic Acid (mRNA) Levels in Blood - Survival of Motor Neuron (SMN) Protein Levels in Blood

Countries

Belgium, Brazil, Canada, China, Croatia, France, Italy, Japan, Poland, Russian Federation, Serbia, Spain, Turkey, United States

Outcome results

None listed

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