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A Pharmacokinetics Study for Pediatric Participants With Pulmonary Arterial Hypertension

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT01484431
Recruitment Status : Completed
First Posted : December 2, 2011
Results First Posted : February 5, 2019
Last Update Posted : October 9, 2019
Sponsor:
Information provided by (Responsible Party):
Eli Lilly and Company

Brief Summary:
The purpose of this study is to see how much study drug is in the blood of children with pulmonary arterial hypertension (PAH) after dosing to establish the correct dose for further clinical research.

Condition or disease Intervention/treatment Phase
Pulmonary Arterial Hypertension Drug: Tadalafil- Tablet or Oral suspension Phase 1 Phase 2

Detailed Description:
During Period I, tadalafil will be administered orally, once daily, at a low dose for approximately 5 weeks followed by a high dose for approximately 5 weeks. Dose levels are calculated based on body weight cohorts. Heavy weight cohort >=40 kg, middle weight cohort >=25 kg to <40 kg. Light weight cohort<25 kg. Participants who complete Period 1 may continue taking tadalafil in Period 2 for at least 2 years. Starting dose will not exceed the maximum weight range dose established in Period 1 and after the first 3 months of Period 2, the dose may be adjusted based on available safety and efficacy information.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 20 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Multiple Ascending Dose Study of Tadalafil to Assess the Pharmacokinetics and Safety in a Pediatric Population With Pulmonary Arterial Hypertension
Actual Study Start Date : July 17, 2012
Actual Primary Completion Date : April 21, 2017
Actual Study Completion Date : April 3, 2019


Arm Intervention/treatment
Experimental: Tadalafil

Light Weight <25 kg Period 1: 2 milligram (mg) or 4 mg tadalafil administered once daily (QD) in oral suspension formulation for 5 weeks then 8 mg,10 mg,15 mg or 20 mg tadalafil was administered QD in oral suspension formulation for 5 weeks.

Middle Weight: 25 kg to <40 kg Period 1: 5 mg tadalafil tablet administered QD for 5 weeks then 10 mg, 15 mg or 20 mg tablet tadalafil administered QD for 5 weeks.

Heavy: ≥40 kg Period 1: 10 mg tadalafil tablet administered QD for 5 weeks then 20 mg or 40 mg tablet tadalafil administered QD for 5 weeks.

Drug: Tadalafil- Tablet or Oral suspension
Tadalafil Tablets administered orally. Tadalafil Oral suspension: An aqueous, ready-to-use suspension for oral administration.
Other Name: LY450190




Primary Outcome Measures :
  1. Population Pharmacokinetics: Area Under the Concentration Curve Versus Time at a Dosing Interval at Steady State (AUCtau) for Tadalafil [ Time Frame: Period 1: Pre Dose and 2, 4, 8, 12, and 24 Hours Post Dose on Days 1, 14 and 49; with single dose measures on Day 1 and steady-state measurements on Days 14 and 49 ]

    Population Pharmacokinetics: Area Under the Concentration Curve Versus Time at a Dosing Interval at Steady State (AUCtau) for Tadalafil.

    The measure of dispersion reported is 90% Prediction Intervals and not Confidence Intervals.


  2. Population Pharmacokinetics: Average Concentration (Cmean,ss) of for Tadalafil at Steady-State. [ Time Frame: Period 1: Pre Dose and 2, 4, 8, 12, and 24 Hours Post Dose on Days 1, 14 and 49; with single dose measures on Day 1 and steady-state measurements on Days 14 and 49 ]

    Population Pharmacokinetics: Average Concentration (Cmean,ss) of for tadalafil at steady-state.

    The measure of dispersion reported is 90% Prediction Intervals and not Confidence Intervals.



Secondary Outcome Measures :
  1. Percentage of Participants With Clinical Worsening [ Time Frame: Baseline Up to 27 Months ]
    Clinical worsening was defined as any of the following: death, lung or heart transplantation, atrial septostomy or Potts' shunt, hospitalization for Pulmonary Arterial Hypertension (PAH) progression, new onset syncope, initiation of new PAH therapy (including increase in the dose of existing PAH specific concomitant therapy, such as endothelin receptor agonist or beraprost medication), or increase of 1 or more in World Health Organization(WHO) Functional Class (except for participants already in Class IV; only for participants unable to perform the 6 minute walk (6MW) test; worsening of WHO functional class by 1 or more for participants who can perform a 6 minute walk (6MW) test and who have a decrease of ≥ 20% in the 6 minute walk distance (for those participants who are ≥6 years of age).

  2. Number of Participants With Palatability of the Tadalafil Suspension [ Time Frame: Day 35 (high dose) ]

    The Taste Assessment Questionnaire (TAQ) questions were:

    TAQRES1: Please rate the bitterness level. TAQRES2: Please rate the sweetness level. TAQRES3: Please rate the aftertaste. TAQRES4: Please rate the overall acceptability of the taste for daily use.




Information from the National Library of Medicine

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Ages Eligible for Study:   6 Months to 17 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Currently have a diagnosis of PAH that is either:

    • idiopathic (including hereditary), related to collagen vascular disease, related to anorexigen use, associated with surgical repair, of at least 6 month duration, of a congenital systemic to pulmonary shunt (for example, atrial septal defect, ventricular septal defect, patent ductus arteriosus).
  • Have a history of the diagnosis of PAH established by a resting mean pulmonary artery pressure ≥25 mm Hg, pulmonary artery wedge pressure ≤15 mm Hg, and a pulmonary vascular resistance (PVR) ≥3 Wood units via right heart catheterization. In the event that a pulmonary artery wedge pressure is unable to be obtained during right heart catheterization, participants with a left ventricular end diastolic pressure <15 mm Hg, with normal left heart function, and absence of mitral stenosis on echocardiography can be eligible for enrollment
  • Have a World Health Organization (WHO) functional class value of I, II or III at the time of enrollment

Exclusion Criteria:

  • Have pulmonary hypertension related to conditions other than specified above, including but not limited to chronic thromboembolic disease, portal pulmonary hypertension, left-sided heart disease or lung disease and hypoxia
  • History of left-sided heart disease, including any of the following:

    • clinically significant (pulmonary artery occlusion pressure [PAOP] 15 to 18 mm Hg) aortic or mitral valve disease (that is, aortic stenosis, aortic insufficiency, mitral stenosis, moderate or greater mitral regurgitation)
    • pericardial constriction
    • restrictive or congestive cardiomyopathy
    • left ventricular ejection fraction <40% by multigated radionucleotide angiogram (MUGA), angiography, or echocardiography
    • left ventricular shortening fraction <22% by echocardiography
    • life-threatening cardiac arrhythmias
    • symptomatic coronary artery disease within 5 years of study entry as determined by the physician
  • History of atrial septostomy or Potts Shunt within 3 months before administration of study drug
  • Unrepaired congenital heart disease

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01484431


Locations
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United States, Colorado
Children's Hospital of Colorado
Aurora, Colorado, United States, 80045
United States, Georgia
Children's Heathcare of Atlanta, Inc. at Egleston
Atlanta, Georgia, United States, 30322
United States, Indiana
Riley Hospital for Children
Indianapolis, Indiana, United States, 46202-5225
United States, Ohio
Nationwide Children's Hospital
Columbus, Ohio, United States, 43205-2664
United States, Pennsylvania
Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, United States, 19104
Canada, Quebec
For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician.
Montreal, Quebec, Canada, H3T 1C5
Canada
For additional information regarding investigative sites for this trial, contact 1-888-545-5972 Mon - Fri, 9 AM to 4 PM or 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri, 9 AM to 5 PM Eastern Time or speak with your personal physician.
Toronto, Canada, M5G 1X8
France
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Marseille, France, 13385
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Paris, France, 75743
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Toulouse, France, 31026
Poland
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Gdansk, Poland, 80-952
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Warszawa, Poland, 00-576
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Warszawa, Poland, 04-730
Spain
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Barcelona, Spain, 08035
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Madrid, Spain, 28041
United Kingdom
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Bloomsbury, London, United Kingdom, WC1N 3JH
Sponsors and Collaborators
Eli Lilly and Company
Investigators
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Study Director: Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon-Fri 9AM-5PM Eastern time (UTC/GMT - 5 hours, EST) Eli Lilly and Company
  Study Documents (Full-Text)

Documents provided by Eli Lilly and Company:
Study Protocol  [PDF] June 9, 2015
Statistical Analysis Plan  [PDF] August 29, 2012


Additional Information:
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Responsible Party: Eli Lilly and Company
ClinicalTrials.gov Identifier: NCT01484431    
Other Study ID Numbers: 12917
H6D-MC-LVIG ( Other Identifier: Eli Lilly and Company )
First Posted: December 2, 2011    Key Record Dates
Results First Posted: February 5, 2019
Last Update Posted: October 9, 2019
Last Verified: April 2019
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: Anonymized individual patient level data will be provided in a secure access environment upon approval of a research proposal and a signed data sharing agreement.
Supporting Materials: Study Protocol
Statistical Analysis Plan (SAP)
Clinical Study Report (CSR)
Time Frame: • Data are available 6 months after the primary publication and approval of the indication studied in the US and EU, whichever is later. Data will be indefinitely available for requesting.
Access Criteria: A research proposal must be approved by an independent review panel and researchers must sign a data sharing agreement.
URL: https://vivli.org/
Additional relevant MeSH terms:
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Familial Primary Pulmonary Hypertension
Hypertension
Vascular Diseases
Cardiovascular Diseases
Hypertension, Pulmonary
Lung Diseases
Respiratory Tract Diseases
Tadalafil
Vasodilator Agents
Phosphodiesterase 5 Inhibitors
Phosphodiesterase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Urological Agents