Orodispersible Minitablets of Enalapril in Young Children With Heart Failure Due to Congenital Heart Disease

Overview

Paediatric clinical trial in 50 children, from newborn to less than 6 years of age, suffering from heart failure due to congenital heart disease, to obtain paediatric pharmacokinetic and pharmacodynamic data of enalapril and its active metabolite enalaprilat while treated for 8 weeks with enalapril in form of Orodispersible Minitablets (ODMTs), to describe the dose exposure in this patient population.

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: N/A
    • Intervention Model: Single Group Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: June 2017

Detailed Description

This clinical trial is one of three clinical trials of the European Commission (FP7)-funded "LENA" (Labeling of Enalapril from Neonates to Adolescents) project: 50 children with heart failure due to congenital heart disease (LENA-Work Package (WP)09 Trial), and 50 children with heart failure due to dilated cardiomyopathy (LENA-WP08 Trial) get treated with an optimal dose of enalapril ODMTs for up to 8 weeks after thorough, individualised titration and get invited to join the 10 months Safety Follow-up Study (LENA-WP10 Trial). In this WP09 Trial children from age of newborn to less than 6 years, naive to enalapril treatment or switched from an Angiotensin-Converting-Enzyme (ACE)-Inhibitor pre-treatment, receive an Initial Dose to investigate the reaction over 8 hours before a decision on the first dose level is made. Always up to 7 days later a next higher dose is given at the hospital, the patient is supervised for 4 and then always 2 hours before a decision on the prescribed dose for the next dosing period is made. In this study a target dose similar to the adult target dose (20 mg enalapril in a 70 year old adult result in 0.282 mg/kg/day enalapril) is defined. Enalapril ODMTs of 0.25 mg and 1 mg strength are available to allow for an individual dose titration scheme. Weight-dependently, pharmacokinetic (PK) and pharmacodynamic (PD) data are collected once in a full PK/PD day over 12, respectively 6 hours, and single PK/PD samples at each Dose Titration Visit and each bi-weekly Study Control Visit until the Last Visit after 8 weeks of treatment. Blood pressure and renal monitoring is performed at each visit before deciding on the dose level for the next treatment period. Pharmacogenomics and metabolomics exploratory studies are added as a sub-study to better understand the underlying disease, its progression as well as the impact of the ACE-inhibition on cardiac outcome and renal function.

Interventions

  • Drug: Enalapril Orodispersible Minitablet
    • 8-weeks treatment, open, uncontrolled, PK/PD, acceptability and palatability assessments and safety assessments after Enalapril intake in form of 0.25 mg or 1 mg ODMTs

Arms, Groups and Cohorts

  • Experimental: Drug administration
    • Enalapril Orodispersible Minitablet (ODMT), 0.25 mg or 1 mg, administered 1x/day or 2x/day for up to 8 weeks

Clinical Trial Outcome Measures

Primary Measures

  • Area under the Curve (AUC) of enalapril and its active metabolite enalaprilat after administration of enalapril ODMTs in children with heart failure
    • Time Frame: 0 hours to 12 hours
    • Area under the Curve (AUC) of enalapril and enalaprilat are measured at first dose or at any time during steady state to assess the bioavailability of enalapril ODMTs in young children with heart failure due to congenital heart disease (newborn to less than 6 years); descriptive pharmacokinetic investigation
  • Maximum Concentration (Cmax) of enalapril and its active metabolite
    • Time Frame: 0 hours to 12 hours
    • Maximum Concentration (Cmax) of enalapril and enalaprilat are measured at first dose or any time during steady state to assess the bioavailability of enalapril ODMTs in young children with heart failure due to congenital heart disease (newborn to less than 6 years); descriptive pharmacokinetic investigation
  • Time to Maximum Concentration (Tmax) of enalapril and its active metabolite
    • Time Frame: 0 hours to 12 hours
    • Time to Maximum Concentration (Tmax) of enalapril and enalaprilat are measured at first dose or any time during steady state to assess the bioavailability of enalapril ODMTs in young children with heart failure due to congenital heart disease (newborn to less than 6 years); descriptive pharmacokinetic investigation

Secondary Measures

  • AUC of enalapril and its active metabolite enalaprilat after administration of enalapril ODMTs in two age-subsets of children with heart failure
    • Time Frame: 0 hours to 12 hours
    • AUC of enalapril and enalaprilat are measured at first dose or any time during steady state to assess the bioavailability of enalapril ODMTs in young children with heart failure due to congenital heart disease in the age su-sets newborn to less than 1 year and 1 to less than 6 years; descriptive pharmacokinetic investigation
  • Cmax of enalapril and its active metabolite enalaprilat after administration of enalapril ODMTs in two age-subsets of children with heart failure
    • Time Frame: 0 hours to 12 hours
    • Cmax of enalapril and enalaprilat are measured at first dose or any time during steady state to assess the bioavailability of enalapril ODMTs in young children with heart failure due to congenital heart disease in the age su-sets newborn to less than 1 year and 1 to less than 6 years; descriptive pharmacokinetic investigation
  • Tmax of enalapril and its active metabolite enalaprilat after administration of enalapril ODMTs in two age-subsets of children with heart failure
    • Time Frame: 0 hours to 12 hours
    • Tmax of enalapril and enalaprilat are measured at first dose or any time during steady state to assess the bioavailability of enalapril ODMTs in young children with heart failure due to congenital heart disease in the age su-sets newborn to less than 1 year and 1 to less than 6 years; descriptive pharmacokinetic investigation
  • Renin
    • Time Frame: Pre-dose, 4 h post first dose, pre-dose at each Titration Visit and Study Control Visit (days 14, 28, 42) up to Last Visit (day 56)
    • Renin as marker of the renin-angiotensin-aldosterone system at each study visit up to the end of treatment at 8 weeks; exploratory pharmacodynamic investigation
  • Angiotensin 1
    • Time Frame: Pre-dose, 4 h post first dose, pre-dose at each Titration Visit and Study Control Visit (days 14, 28, 42) up to Last Visit (day 56)
    • Angiotensin 1 as marker of the renin-angiotensin-aldosterone system at each study visit up to the end of treatment at 8 weeks; exploratory pharmacodynamic investigation
  • Aldosterone
    • Time Frame: Pre-dose, 4 h post first dose, pre-dose at each Titration Visit and Study Control Visit (days 14, 28, 42) up to Last Visit (day 56)
    • Aldosterone as marker of the renin-angiotensin-aldosterone system at each study visit up to the end of treatment at 8 weeks; exploratory pharmacodynamic investigation
  • Plasma Renin Activity
    • Time Frame: Pre-dose, 4 h post first dose, pre-dose at each Titration Visit and Study Control Visit (days 14, 28, 42) up to Last Visit (day 56)
    • Plasma Renin Activity as marker of the renin-angiotensin-aldosterone system at each study visit up to the end of treatment at 8 weeks; exploratory pharmacodynamic investigation
  • Brain natriuretic peptides (BNPs).
    • Time Frame: At Screening Visit and then pre-dose at each Titration Visit and Study Control Visit (days 14, 28, 42) up to Last Visit (day 56)
    • Brain natriuretic peptides measurement as indicator of disease severity at every visit up to end of treatment at 8 weeks
  • Acceptability of the ODMTs
    • Time Frame: Assessment time points: at Initial Dose Visit, at one Study Control Visit (day 14, 28 or 42), at Last Visit (day 56)
    • Acceptability assessment according to an age-appropriate scale
  • Palatability of the ODMTs
    • Time Frame: Assessment time points: at Initial Dose Visit, at one Study Control Visit (day 14, 28 or 42), at Last Visit (day 56)
    • Palatability assessment according to an age-appropriate scale
  • Blood pressure
    • Time Frame: Pre-dose at each Visit, over 8 hours at Initial Dose Visit, over 4 hours at First Titration Visit (day 3 to 7), for 2 hours after all following Titration Visits, pre-dose at all Study Control Visits (day 14, 28, 42), at last Visit (day 56)
    • Safety monitoring parameter to decide on next dose prescription level
  • Serum potassium
    • Time Frame: Pre-dose at each Visit: Screening Visit, Initial Dose Visit, all Titration Visits, all Study Control Visits (day 14, 28, 42) up to Last Visit (day 56)
    • Renal monitoring parameter to decide on next dose prescription level
  • Blood urea nitrogen (BUN)
    • Time Frame: Pre-dose at each Visit: Screening Visit, Initial Dose Visit, all Titration Visits, all Study Control Visits (day 14, 28, 42) up to Last Visit (day 56)
    • Renal monitoring parameter to decide on next dose prescription level
  • Creatinine
    • Time Frame: Pre-dose at each Visit: Screening Visit, Initial Dose Visit, all Titration Visits, all Study Control Visits (day 14, 28, 42) up to Last Visit (day 56)
    • Renal monitoring parameter to decide on next dose prescription level
  • Micro-albuminuria
    • Time Frame: Pre-dose at each Visit: Screening Visit, Initial Dose Visit, all Titration Visits, all Study Control Visits (day 14, 28, 42) up to Last Visit (day 56)
    • Renal monitoring parameter to decide on next dose prescription level
  • Shortening Fraction
    • Time Frame: Assessment time points: at Screening Visit and at Last Visit (day 56)
    • Shortening Fraction in echocardiography
  • Number of patients experiencing rehospitalisation due to heart failure
    • Time Frame: During 8 weeks of treatment
    • Number of patients experiencing rehospitalisation due to heart failure including the need for heart transplantation or the institution of mechanical circulatory support
  • Death due to worsening of the underlying disease
    • Time Frame: During 8 weeks of treatment
    • Death due to worsening of the underlying disease

Participating in This Clinical Trial

Inclusion Criteria

Patients fulfilling the following Inclusion Criteria can be enrolled:

  • Age from birth to less than 6 years. – Male and female patients. – Weight greater than 2.5 kg. – Diagnosis of heart failure due to congenital heart disease requiring after-load reduction by drug therapy. – Subjects may be naïve to ACE-Inhibitors. – Subjects already on ACE-Inhibitors willing to switch to enalapril Orodispersible Minitablets. – Patient and/or parent(s)/legal representative provided written informed consent and assent from the patient according to national legislation and as far as achievable from the child. Exclusion Criteria:

Patients fulfilling any of the following Exclusion Criteria cannot be enrolled into this trial:

  • Neonates if born < 37 weeks of gestation. – Severe heart failure and/or end stage heart failure precluding introduction or continuation of ACE-Inhibitor. – Too low blood pressure, e.g. ˂P5 – Uncorrected primary obstructive valvular disease, or significant systemic ventricular outflow obstruction, dilated restrictive or hypertrophic cardiomyopathy. – Uncorrected severe peripheral stenosis of large arteries including severe coarctation of the aorta. – Severe renal impairment with serum creatinine >2x Upper Limit of Normal (ULN) (according to the hospital's test methodology) – History of angioedema. – Hypersensitivity to ACE-Inhibitors. – Concommitant medication: – Dual ACE-Inhibitor therapy – Renin inhibitors – Angiotensin II antagonists – Non-Steroidal Anti-Inflammatory Drugs (including ibuprofen) except for aspirin and paracetamol – Already enrolled in an interventional trial with an investigational drug, unless no interference with the current study can be shown.

Gender Eligibility: All

Minimum Age: 1 Day

Maximum Age: 5 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Ethicare GmbH
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • Milica Bajcetic, Prof,MD,PhD, Study Chair, Univerzitetska Dečja Klinika Belgrade
    • Ida Jovanovic, Prof,MD,PhD, Principal Investigator, Univerzitetska Dečja Klinika Belgrade
    • Michiel Dalinghaus, MD,PhD, Principal Investigator, Sophia Children’s Hospital, Erasmus MC Rotterdam
    • J.M.P. J Breur, MD,PhD, Principal Investigator, Wilhelmina Children’s Hospital, University Medical Center Utrecht
    • Christoph Male, Prof,MD,PhD, Principal Investigator, Medical University of Vienna
    • Michael Burch, Prof,MD,PhD, Principal Investigator, Great Ormond Street Hospital for Children NHS Trust London
    • András Szatmári, Prof,MD,PhD, Principal Investigator, Hungarian Paediatric Heart Centre, Göttsegen Gyorgy Hungarian Institute of Cardiology Budapest
  • Overall Contact(s)
    • Stephanie Laeer, Prof,MD,PhD, +49 211 8110740, stephanie.laeer@uni-duesseldorf.de

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