Clinical trial • Phase III • Musculoskeletal | Respiratory

Colecalciferol for Cystic fibrosis | Bone metabolism disorder | Low bone mineral density | Skeletal muscle weakness

Phase III trial of Colecalciferol for Cystic fibrosis | Bone metabolism disorder | Low bone mineral density | Skeletal muscle weakness.

Overview

Trial Therapeutic Area
Musculoskeletal | Respiratory
Trial Disease
Cystic fibrosis | Bone metabolism disorder | Low bone mineral density | Skeletal muscle weakness
Trial Stage
Phase III
Drug Modality
Small molecule
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
06-09-2024
First CTIS Authorization Date
02-10-2024

Trial design

Randomised, comparator arm: cholecalciferol 1000 iu per day; intervention arm: cholecalciferol 6000 iu per day (daily dosing).-controlled Phase III trial across 1 site in Czechia.

Randomised
Yes
Comparator
Comparator arm: cholecalciferol 1000 IU per day; Intervention arm: cholecalciferol 6000 IU per day (daily dosing).
Target Sample Size
64
Trial Duration For Participant
730

Eligibility

Recruits 64 paediatric patients.

Pregnancy Exclusion
Pregnancy
Vulnerable Population
Participants are children (age range 6 to 16 years). Consent is required from the parent or legal representative ('Willingness of the parent or legal representative to sign the informed consent and allow the child participate in the study'). Age-specific information and consent/assent forms are provided (documents include ICFs for ages 12-14, 15-17, legal representative versions and ICFs for 18-year-olds), indicating assent/age-appropriate information for minors and parental/legal representative consent.

Inclusion criteria

  • {"criterion_text":"- Diagnosis of cystic fibrosis\n- Age from 6 to 16 (included) years\n- Willingness of the parent or legal representative to sign the informed consent and allow the child participate in the study\n- Woman of childbearing potential need to comply with adequate contraception methods per CTFG guideline"}

Exclusion criteria

  • {"criterion_text":"- Contraindication done by SmPC of Vigantol\n- Lung transplantation (done or planned)\n- Bisphosphonate treatment in the last 18 months\n- Disease other than CF with known impact on bone metabolism (based on consultancy with main investigator)\n- Hypersensitivity to the IMP or additive substance (as per SmPC)\n- Hypercalcaemia\n- Renal osteodystrophy with hyperphosphatemia\n- Pregnancy"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Serum concentrations of 25-OH vitamin D and parathormone at visits V3-V7","definition_or_measurement_approach":"Measured at specified visits V3-V7; no further measurement method details provided in the source."}
  • {"endpoint_text":"- Lumbar Spine aBMD at visit V7","definition_or_measurement_approach":"Measured at visit V7; no further measurement method details provided in the source."}
  • {"endpoint_text":"- Dynamic muscle force and power at visit V7","definition_or_measurement_approach":"Assessed at visit V7; no further measurement method details provided in the source."}

Recruitment

Planned Sample Size
64
Recruitment Window Months
49
Consent Approach
Informed consent must be signed by the parent or legal representative. Age-specific subject information and assent/consent forms are provided (documents include ICFs for ages 12-14, 15-17, legal representative versions, and documents for 18-year-olds). Available forms in the dossier indicate materials in Czech (file names include 'CZ').

Geography

Total Number Of Sites
1
Total Number Of Participants
64

Czechia

Earliest CTIS Part Ii Submission Date
06-09-2024
Latest Decision Or Authorization Date
02-10-2024
Processing Time Days
26
Number Of Sites
1
Number Of Participants
64

Sites

Site Name
Fakultni Nemocnice V Motole
Department Name
Pediatric Clinic
Principal Investigator Name
Ondřej Souček
Principal Investigator Email
Ondrej.Soucek@fnmotol.cz
Contact Person Name
Ondřej Souček
Contact Person Email
Ondrej.Soucek@fnmotol.cz
Number Of Participants
64

Sponsor

Primary sponsor

Full Name
Fakultni Nemocnice V Motole
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
Czechia

Investigational products

Investigational Product Name
Vigantol 0,5 mg/ml perorální kapky, roztok
Active Substance
Colecalciferol
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
Marketing authorised in CZ (marketingAuthNumber: 86/1140/93-C)
Starting Dose
6000 IU/day (intervention) and 1000 IU/day (comparator)
Dose Levels
1000 IU/day | 6000 IU/day
Frequency
Once daily
Maximum Dose
6000 IU/day

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