Clinical trial • Phase II • Neurology

Clenbuterol hydrochloride for Spinal and bulbar muscular atrophy

Phase II trial of Clenbuterol hydrochloride for Spinal and bulbar muscular atrophy.

Overview

Trial Therapeutic Area
Neurology
Trial Disease
Spinal and bulbar muscular atrophy
Trial Stage
Phase II
Drug Modality
Small molecule|Other

Key dates

Initial CTIS Submission Date
25-07-2024
First CTIS Authorization Date
16-09-2024

Trial design

Clenbuterol (Monores® 20 microgrammi Compresse; active substance: clenbuterol hydrochloride) vs placebo. Product information indicates 20 µg tablet strength and a maximum daily dose amount recorded as 40 µg; no detailed dosing schedule or administration schedule explicitly stated in the CTIS record.-controlled Phase II trial in Italy.

Comparator
Clenbuterol (Monores® 20 microgrammi Compresse; active substance: clenbuterol hydrochloride) vs placebo. Product information indicates 20 µg tablet strength and a maximum daily dose amount recorded as 40 µg; no detailed dosing schedule or administration schedule explicitly stated in the CTIS record.
Target Sample Size
90
Trial Duration For Participant
336

Eligibility

Recruits 90 No vulnerable populations selected (isVulnerablePopulationSelected:false). Participants must provide written informed consent; only adults (aged between 18 and 75 years) are eligible, so no assent/minor consent arrangements are specified..

Vulnerable Population
No vulnerable populations selected (isVulnerablePopulationSelected:false). Participants must provide written informed consent; only adults (aged between 18 and 75 years) are eligible, so no assent/minor consent arrangements are specified.

Inclusion criteria

  • {"criterion_text":"- males who have received a genetically confirmed diagnosis of SBMA (AR CAG repeat number >= 38);\n- aged between 18 and 75 (+364 days) years;\n- displaying one or more of the following clinical symptoms: muscle atrophy, limb weakness, bulbar palsy;\n- able to walk independently with or without a cane or other supporting device (all supporting devices are acceptable except on wheelchair);\n- providing a written informed consent."}

Exclusion criteria

  • {"criterion_text":"- a documented cardiovascular disease precluding the use of beta2 agonists (in the judgment of the investigators);\n- glaucoma, severe prostatic hypertrophy, hyperthyroidism, pheochromocytoma, and other medical conditions that, in the judgment of the investigators, would expose the patient to undue risk of harm or prevent the patient from completing the study;\n- concomitant treatment with either beta-blockers or sympathomimetic drugs (If a beta-blockers concomitant medication is ongoing before the study inclusion, the patient can be enrolled if the beta-blocker is discontinued for 3 weeks prior to randomization visit);\n- inability to walk or walking only with the support of a caregiver;\n- use of beta2 agonists in the preceding 6 months;\n- participation to an interventional trial in the preceding 3 months;\n- neuromuscular disease other than SBMA."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- A responder to the assigned treatment (clenbuterol or placebo) will be defined as a subject with a 15% increase at V7 (48 weeks), compared to baseline, in the distance covered in six minutes at the 6MWT. The primary endpoint will be the percentage of responders in the two treatment arms.","definition_or_measurement_approach":"Responder defined as ≥15% increase at V7 (48 weeks) vs baseline in distance covered on the 6-minute walk test (6MWT); primary outcome is percentage of responders in each treatment arm."}

Secondary endpoints

  • {"endpoint_text":"- 6MWT during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"6-minute walk test measured at visits from V2 to V7 over the 48-week treatment period, compared between treatment arms."}
  • {"endpoint_text":"- SBMA-FRS total score during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"SBMA Functional Rating Scale (total score) assessed at visits V2–V7 across 48 weeks, compared between arms."}
  • {"endpoint_text":"- AMAT total score during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"Adult Myopathy Assessment Tool (AMAT) total score assessed at V2–V7 (48 weeks), compared between arms."}
  • {"endpoint_text":"- FVC during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"Forced vital capacity (FVC) measured at visits V2–V7 over 48 weeks, compared between arms."}
  • {"endpoint_text":"- 6K total score during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"6K total score assessed at V2–V7 across 48 weeks, compared between arms."}
  • {"endpoint_text":"- serum creatinine levels during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"Serum creatinine measured at visits V2–V7 during the 48-week treatment period, compared between arms."}
  • {"endpoint_text":"- ALSAQ-40 total score during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"ALSAQ-40 total score assessed at V2–V7 across 48 weeks, compared between arms."}
  • {"endpoint_text":"- INQOL total score during the 48-weeks treatment period (from V2 to V7) in the two treatment arms","definition_or_measurement_approach":"INQoL total score assessed at visits V2–V7 during the 48-week treatment period, compared between arms."}

Recruitment

Planned Sample Size
90
Recruitment Window Months
32
Consent Approach
Participants must provide written informed consent. Subject information and informed consent form available (document 'L1_ SIS and ICF_adults'). Only adults (18-75 years) are eligible; no assent or minor-consent processes are specified. Languages of consent documents not specified in the CTIS record.

Geography

Total Number Of Sites
7
Total Number Of Participants
90

Italy

Earliest CTIS Part Ii Submission Date
02-08-2024
Latest Decision Or Authorization Date
04-11-2024
Processing Time Days
94
Number Of Sites
7
Number Of Participants
90

Sites

Site Name
Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino Dipartimento di Neur
Department Name
Dipartimento di Neuroscienze CRESLA
Principal Investigator Name
Adriano Chiò
Principal Investigator Email
adriano.chio@unito.it
Contact Person Name
Adriano Chiò
Contact Person Email
adriano.chio@unito.it
Site Name
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Department Name
Centro Clinico Nemo Adulti
Principal Investigator Name
Mario Sabatelli
Principal Investigator Email
mario.sabatelli@unicatt.it
Contact Person Name
Mario Sabatelli
Contact Person Email
mario.sabatelli@unicatt.it
Site Name
Azienda Ospedaliero Universitaria Pisana
Department Name
U.O. di Neurologia
Principal Investigator Name
Gabriele Siciliano
Principal Investigator Email
g.siciliano@med.unipi.it
Contact Person Name
Gabriele Siciliano
Contact Person Email
g.siciliano@med.unipi.it
Site Name
Azienda Ospedaliera di Padova
Department Name
Clinica Neurologica
Principal Investigator Name
Gianni Sorarù
Principal Investigator Email
gianni.soraru@unipd.it
Contact Person Name
Gianni Sorarù
Contact Person Email
gianni.soraru@unipd.it
Site Name
AOU di Modena Nuovo Ospedale Civile S. Agostino Estense di Modena- Ospedale di Baggiovara
Department Name
U.O. di Neurologia
Principal Investigator Name
Jessica Mandrioli
Principal Investigator Email
j.mandrioli@ausl.mo.it
Contact Person Name
Jessica Mandrioli
Contact Person Email
j.mandrioli@ausl.mo.it
Site Name
IRCCS Foundation Istituto Neurologico Carlo Besta
Department Name
Neuroscience
Principal Investigator Name
Davide Pareyson
Principal Investigator Email
davide.pareyson@istituto-besta.it
Contact Person Name
Davide Pareyson
Site Name
Azienda Ospedaliero- Universitaria Maggiore della Carità di Novara Clinica Neurologica Centro SLA
Department Name
Clinica Neurologica Centro SLA
Principal Investigator Name
Fabiola De Marchi
Principal Investigator Email
fabiola.demarchi@uniupo.it
Contact Person Name
Fabiola De Marchi
Contact Person Email
fabiola.demarchi@uniupo.it

Sponsor

Primary sponsor

Full Name
Azienda Ospedaliera di Padova
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
Italy

Investigational products

Investigational Product Name
Monores® 20 microgrammi Compresse
Active Substance
Clenbuterol hydrochloride
Modality
Small molecule
Routes Of Administration
Oral
Route
Oral
Authorisation Status
Marketing authorisation in Italy (marketingAuthNumber: 024217034; MIA: IT176H2023)
Maximum Dose
40 µg per day
Investigational Product Name
placebo
Modality
Other

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