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Observational Study of Outcomes in Cystic Fibrosis Patients With Selected Gating Mutations on a CFTR Allele (The VOCAL Study)

Observational Study of Outcomes in Cystic Fibrosis Patients With Selected Gating Mutations on a CFTR Allele (The VOCAL Study)

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT02445053
Acronym
VOCAL
Enrollment
75
Registered
2015-05-15
Start date
2015-04-30
Completion date
2020-10-31
Last updated
2020-11-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cystic Fibrosis

Keywords

Cystic Fibrosis

Brief summary

To describe the effectiveness of Kalydeco® treatment in patients with cystic fibrosis (CF) who have 1 of 8 non G551D gating CFTR mutations (G178R, S549N, S549R, G551S, G1244E, S1251N, S1255P, or G1349D).

Interventions

DRUGivacaftor

Sponsors

Vertex Pharmaceuticals Incorporated
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
6 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Male or female with confirmed diagnosis of CF16 * At least 1 allele with 1 of the following CFTR mutations: G178R, S549N, S549R, G551S, G1244E, S1251N, S1255P, G1349D * Six years of age or older on the date of signed (Informed Consent Form) ICF, and where appropriate, date of assent * Signed ICFs and, where appropriate, signed Assent Form * Able to understand the study requirements and comply with study data collection procedures

Exclusion criteria

* Previously exposed to Kalydeco, except currently treated patients who started Kalydeco treatment within 6 months of enrollment * Currently enrolled in a Kalydeco interventional study or other interventional therapeutic clinical study directed at CFTR modulation * History of organ transplantation

Design outcomes

Primary

MeasureTime frame
Mortality: Incidence and cause of deaths48 Months
Organ transplantation: Incidence and reason for organ transplantations48 Months
Pulmonary exacerbations - Number of pulmonary exacerbations and duration of treatment for pulmonary exacerbations during Kalydeco treatment compared to the period before Kalydeco treatment48 Months
Respiratory Microbiology - Percentage of patients with cultures positive for Pseudomonas aeruginosa during Kalydeco treatment compared to the period before Kalydeco treatment48 Months
Respiratory Microbiology - Percentage of patients with cultures positive for bacteria other than Pseudomonas aeruginosa and for fungi during Kalydeco treatment compared to the period before Kalydeco treatment48 Months
FEV1: Absolute change in percent predicted FEV1 during Kalydeco treatment48 Months
Measures of nutritional status: Absolute change in weight, weight-for-age Z score, body mass index (BMI), and BMI-for-age Z-score during Kalydeco treatment48 Months
Comorbidities: Incidence and prevalence of comorbidities during Kalydeco treatment compared to the period before Kalydeco treatment48 Months

Other

MeasureTime frame
To explore the effect of Kalydeco treatment on Health-Related Quality of Life (HRQoL) in patients with CF and in caregivers of pediatric patients enrolled in the study.48 Months

Countries

Italy, Netherlands, United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 20, 2026