Ivacaftor Treatment in 4 Month to 2 Year Old CF Subjects
NCT ID: NCT03783286
Last Updated: 2022-03-11
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
15 participants
OBSERVATIONAL
2019-02-06
2021-12-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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COHORT
PROSPECTIVE
Interventions
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Ivacaftor
Ivacaftor (Kalydeco®, Vertex Pharmaceuticals Inc.) was the first of a new class of drugs that improved CFTR gating dysfunction (2, 3, 4). For such mutations (G551D, G178R, S549N, S549R, G551S, G970R, G1244E, S1251N, S1255P, G1349D) that permit CFTR expression at the cell membrane but compromise its activity.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Age: 4-24 months of age
* In their usual state of good health
* A clinical decision has been made for subject to begin ivacaftor treatment
* Family committed to the 4 to 6 month study protocol with visits to CHOP that will last 2 or 3 days for the baseline visit (Visit 1) prior to ivacaftor and the 12 week visit (Visit 3) after clinically prescribed ivacaftor treatment has begun, and will last 2 days for the 6 week visit (Visit 2) after ivacaftor treatment has begun.
Exclusion Criteria
* Use of any medications which are as inhibitors or inducers of cytochrome P450 (CYP) 3A
* Liver function tests elevated above 3x the reference range for age and sex
* Other illness affecting growth or nutritional status
* Other contraindications described for ivacaftor therapy
4 Months
2 Years
ALL
No
Sponsors
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Vertex Pharmaceuticals Incorporated
INDUSTRY
Children's Hospital of Philadelphia
OTHER
Responsible Party
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Virginia Stallings
Director of Nutrition Center Children's Hospital of Philadelphia, Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania
Principal Investigators
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Virginia Stallings, MD
Role: PRINCIPAL_INVESTIGATOR
Children's Hospital of Philadelphia
Locations
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Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, United States
Countries
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References
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Stallings VA, Sainath N, Oberle M, Bertolaso C, Schall JI. Energy Balance and Mechanisms of Weight Gain with Ivacaftor Treatment of Cystic Fibrosis Gating Mutations. J Pediatr. 2018 Oct;201:229-237.e4. doi: 10.1016/j.jpeds.2018.05.018. Epub 2018 Jul 18.
Van Goor F, Hadida S, Grootenhuis PD, Burton B, Cao D, Neuberger T, Turnbull A, Singh A, Joubran J, Hazlewood A, Zhou J, McCartney J, Arumugam V, Decker C, Yang J, Young C, Olson ER, Wine JJ, Frizzell RA, Ashlock M, Negulescu P. Rescue of CF airway epithelial cell function in vitro by a CFTR potentiator, VX-770. Proc Natl Acad Sci U S A. 2009 Nov 3;106(44):18825-30. doi: 10.1073/pnas.0904709106. Epub 2009 Oct 21.
Accurso FJ, Rowe SM, Clancy JP, Boyle MP, Dunitz JM, Durie PR, Sagel SD, Hornick DB, Konstan MW, Donaldson SH, Moss RB, Pilewski JM, Rubenstein RC, Uluer AZ, Aitken ML, Freedman SD, Rose LM, Mayer-Hamblett N, Dong Q, Zha J, Stone AJ, Olson ER, Ordonez CL, Campbell PW, Ashlock MA, Ramsey BW. Effect of VX-770 in persons with cystic fibrosis and the G551D-CFTR mutation. N Engl J Med. 2010 Nov 18;363(21):1991-2003. doi: 10.1056/NEJMoa0909825.
Ramsey BW, Davies J, McElvaney NG, Tullis E, Bell SC, Drevinek P, Griese M, McKone EF, Wainwright CE, Konstan MW, Moss R, Ratjen F, Sermet-Gaudelus I, Rowe SM, Dong Q, Rodriguez S, Yen K, Ordonez C, Elborn JS; VX08-770-102 Study Group. A CFTR potentiator in patients with cystic fibrosis and the G551D mutation. N Engl J Med. 2011 Nov 3;365(18):1663-72. doi: 10.1056/NEJMoa1105185.
Energy and protein requirements. Report of a joint FAO/WHO/UNU Expert Consultation. World Health Organ Tech Rep Ser. 1985;724:1-206. No abstract available.
Schofield WN. Predicting basal metabolic rate, new standards and review of previous work. Hum Nutr Clin Nutr. 1985;39 Suppl 1:5-41.
7. World Health Organization. WHO Child Growth Standards: Length/height-for-age, weight-for-age, weight-for-length, weight-for-height, and body mass index-for-age. Geneva, Switzerland: WHO Press, World Health Organization; 2006.
Borowitz D, Baker SS, Duffy L, Baker RD, Fitzpatrick L, Gyamfi J, Jarembek K. Use of fecal elastase-1 to classify pancreatic status in patients with cystic fibrosis. J Pediatr. 2004 Sep;145(3):322-6. doi: 10.1016/j.jpeds.2004.04.049.
Borowitz D, Lin R, Baker SS. Comparison of monoclonal and polyclonal ELISAs for fecal elastase in patients with cystic fibrosis and pancreatic insufficiency. J Pediatr Gastroenterol Nutr. 2007 Feb;44(2):219-23. doi: 10.1097/MPG.0b013e31802c41de.
O'Connor MG, Seegmiller A. The effects of ivacaftor on CF fatty acid metabolism: An analysis from the GOAL study. J Cyst Fibros. 2017 Jan;16(1):132-138. doi: 10.1016/j.jcf.2016.07.006. Epub 2016 Jul 26.
11. World Health Organization. WHO Child Growth Standards: Head circumference-for-age, arm circumference-for-age, triceps skinfold-for-age, and subscapular skinfold-for-age. Geneva, Switzerland: WHO Press, World Health Organization; 2007.
12. WHO Multicenter Growth Reference Study Group. WHO Child Growth Standards: Growth Velocity Based on Weight, Length and Head Circumference: Methods and Development. Geneva, Switzerland: WHO Press: World Health Organization; 2009.
Tindall A, Bass R, Maqbool A, Stallings VA. Changes in nutrition and growth status in young children in the first 12 weeks of ivacaftor therapy. J Cyst Fibros. 2023 Nov;22(6):989-995. doi: 10.1016/j.jcf.2023.04.010. Epub 2023 Jul 10.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Document Type: Informed Consent Form
Other Identifiers
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18-015299
Identifier Type: -
Identifier Source: org_study_id
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