Clinical Trial Results:
A Phase 3, Randomized, Double-Blind, Multi-Center study to Compare the Efficacy and safety of Micafungin Versus Amphotericin B Deoxycholate for the Treatment of Neonatal Candidiasis
Summary
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EudraCT number |
2012-000780-24 |
Trial protocol |
GR HU BG |
Global end of trial date |
15 Dec 2014
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Results information
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Results version number |
v1(current) |
This version publication date |
05 Feb 2016
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First version publication date |
05 Feb 2016
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Other versions |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
9463-CL-2303
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT00815516 | ||
WHO universal trial number (UTN) |
- | ||
Sponsors
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Sponsor organisation name |
Astellas Pharma Global Development US
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Sponsor organisation address |
1 Astellas Way, Northbrook, IL, United States, 60062
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Public contact |
Clinical Trial Disclosure, Astellas Pharma Global Development US, Astellas.resultsdisclosure@astellas.com
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Scientific contact |
Clinical Trial Disclosure, Astellas Pharma Global Development US, Astellas.resultsdisclosure@astellas.com
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
No
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Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Results analysis stage
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Analysis stage |
Final
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Date of interim/final analysis |
15 Dec 2014
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Is this the analysis of the primary completion data? |
No
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Global end of trial reached? |
Yes
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Global end of trial date |
15 Dec 2014
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Was the trial ended prematurely? |
Yes
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General information about the trial
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Main objective of the trial |
The study evaluated how effective and how safe the drug micafungin is when compared to the drug amphotericin B deoxycholate in treating neonates and young infants with certain fungal infections.
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Protection of trial subjects |
The study was conducted in accordance with the protocol, Good Clinical Practice (GCP), ICH (International Committee on Harmonisation) guidelines, applicable regulations and guidelines governing clinical study conduct and the ethical principles that have their origin in the Declaration of Helsinki.
The Independent Ethics Committee (IEC) or Institutional Review Board (IRB) reviewed the ethical, scientific and medical appropriateness of the study before it was conducted. IEC/IRB approval of the protocol, informed consent and subject information and/or advertising, as relevant, was obtained prior to the authorization of drug shipment to a study site.
Prior to any study-related screening procedures being performed on the subject, the informed consent statement was reviewed and signed and dated by subject’s guardian or legal representative, the person who administered the informed consent and any other signatories according to local requirements.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
23 Feb 2013
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
Yes
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
Brazil: 3
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Country: Number of subjects enrolled |
Bulgaria: 1
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Country: Number of subjects enrolled |
Canada: 1
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Country: Number of subjects enrolled |
Colombia: 2
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Country: Number of subjects enrolled |
Greece: 5
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Country: Number of subjects enrolled |
Hungary: 4
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Country: Number of subjects enrolled |
Israel: 1
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Country: Number of subjects enrolled |
Philippines: 1
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Country: Number of subjects enrolled |
Romania: 2
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Country: Number of subjects enrolled |
Turkey: 3
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Country: Number of subjects enrolled |
Ukraine: 2
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Country: Number of subjects enrolled |
United States: 5
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Worldwide total number of subjects |
30
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EEA total number of subjects |
12
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
25
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Infants and toddlers (28 days-23 months) |
5
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Children (2-11 years) |
0
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Adolescents (12-17 years) |
0
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Adults (18-64 years) |
0
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From 65 to 84 years |
0
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85 years and over |
0
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Recruitment
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Recruitment details |
Infants greater than 48 hours of life through day of life (DOL) 120 with a diagnosis of invasive candidiasis were eligible for this study. | ||||||||||||||||||
Pre-assignment
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Screening details |
In total, 31 infants were screened and 30 were randomized in a 2:1 ratio to receive micafungin or amphotericin B deoxycholate. Randomization was stratified by estimated gestational age (< 27 weeks, ≥ 27 weeks) and by region (North America/Europe, Latin America / Mexico, other region). | ||||||||||||||||||
Period 1
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Period 1 title |
Overall Study (overall period)
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Is this the baseline period? |
Yes | ||||||||||||||||||
Allocation method |
Randomised - controlled
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Blinding used |
Double blind | ||||||||||||||||||
Roles blinded |
Subject, Investigator, Data analyst, Carer, Assessor | ||||||||||||||||||
Arms
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Are arms mutually exclusive |
Yes
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Arm title
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Micafungin | ||||||||||||||||||
Arm description |
Infants received micafungin at a dose of 10 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. | ||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||
Investigational medicinal product name |
Micafungin
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Investigational medicinal product code |
FK463
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Other name |
Mycamine
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Pharmaceutical forms |
Powder for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
Administered by intravenous infusion
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Arm title
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Amphotericin B | ||||||||||||||||||
Arm description |
Infants received amphotericin B deoxycholate (CAB) at a dose of 1.0 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. | ||||||||||||||||||
Arm type |
Active comparator | ||||||||||||||||||
Investigational medicinal product name |
Amphotericin B deoxycholate
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Investigational medicinal product code |
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Other name |
Fungizone, conventional amphotericin B, CAB
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Pharmaceutical forms |
Powder for solution for injection
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Routes of administration |
Intravenous use
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Dosage and administration details |
Administered by intravenous infusion
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Baseline characteristics reporting groups
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Reporting group title |
Micafungin
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Reporting group description |
Infants received micafungin at a dose of 10 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Amphotericin B
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Reporting group description |
Infants received amphotericin B deoxycholate (CAB) at a dose of 1.0 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
Micafungin
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Reporting group description |
Infants received micafungin at a dose of 10 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. | ||
Reporting group title |
Amphotericin B
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Reporting group description |
Infants received amphotericin B deoxycholate (CAB) at a dose of 1.0 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. |
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End point title |
Fungal-free survival [1] | ||||||||||||
End point description |
Fungal-free survival was assessed by an independent data review panel (DRP).
Fungal-free survival is defined as the percentage of participants alive at one week following the last dose of study drug with a mycological response of eradication and no requirement for alternative systemic antifungal therapy for continued treatment.
Eradication was defined as culture or histologically documented absence of the infecting Candida species from all positive normally sterile sites during therapy, documented by 2 negative samples, drawn at least 24 hours apart, or for Candida meningitis and/or candiduria, 1 negative culture.
This endpoint was analyzed using the full analysis set (all randomized infants who were administered any amount of study drug).
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End point type |
Primary
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End point timeframe |
One week after the last dose of study drug (maximum of 49 days)
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Notes [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Since this study was terminated early, the total number of evaluable subjects was far below the fully powered sample size. For this circumstance, the statistical inference based on the planned hypothesis was not applicable and not performed. |
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No statistical analyses for this end point |
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End point title |
Time to mycological clearance of invasive candidiasis | ||||||||||||
End point description |
Time to mycological clearance of invasive candidiasis is defined as the time from first dose to the day of mycological eradication for baseline invasive candidiasis infection.
Eradication was defined as a culture or histologically documented absence of the infecting Candida species from all positive normally sterile sites during therapy, documented by 2 negative samples, drawn at least 24 hours apart, or for for Candida meningitis and/or candiduria, 1 negative culture.
Infants without eradication during the treatment period and who survived were censored at one day after the end of treatment. Infants without eradication who died before completing the treatment period or were lost to follow-up during the treatment were censored at their death or last contact day.
"99999" indicates data could not be estimated due to the low number of events.
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End point type |
Secondary
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End point timeframe |
From first dose up to 30 days after the last dose of study drug (maximum of 72 days)
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No statistical analyses for this end point |
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End point title |
Fungal-free survival at end of study drug therapy in infants with end-organ dissemination | ||||||||||||
End point description |
Fungal-free survival was assessed by an independent data review panel (DRP). Fungal-free survival is defined as the percentage of participants alive at the end of study drug therapy with a mycological response of eradication based upon the DRP assessment and no requirement for alternative systemic antifungal therapy for continued treatment.
This endpoint was analyzed for participants in the full analysis set with end-organ dissemination.
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End point type |
Secondary
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End point timeframe |
The end of study drug therapy (maximum of 42 days)
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No statistical analyses for this end point |
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End point title |
Fungal-free survival one week after last dose of study drug in infants with end-organ dissemination | ||||||||||||
End point description |
Fungal-free survival was assessed by an independent data review panel (DRP). Fungal-free survival is defined as the percentage of participants alive one week after last dose of study drug with a mycological response of eradication based upon the DRP assessment and no requirement for alternative systemic antifungal therapy for continued treatment.
This endpoint was analyzed for participants in the full analysis set with end-organ dissemination.
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End point type |
Secondary
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End point timeframe |
One week after the last dose of study drug (maximum of 49 days)
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No statistical analyses for this end point |
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End point title |
Percentage of participants with emergent fungal infections | ||||||||||||
End point description |
An emergent fungal infection is defined as
● An invasive fungal infection which is detected at any time during the study that is a non-Candida organism, or
● An invasive fungal infection which is detected during the treatment or post-treatment period with a Candida species identified other than those detected at Baseline. If this occurred within 96 hours of the first dose of study drug, the infection was considered part of the final diagnosis of enrolling infection and not an emergent infection.
"99999" indicates values that could not be estimated.
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End point type |
Secondary
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End point timeframe |
Up to 30 days after the last dose of study drug (maximum of 72 days)
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No statistical analyses for this end point |
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End point title |
Percentage of participants with recurrent fungal infections | ||||||||||||
End point description |
A recurrent infection is defined as a systemic fungal infection in an infant with eradication at the end of study drug therapy, who developed positive blood cultures or a mycologically confirmed deep-seated Candida infection, with the same species as the enrolling infection.
This endpoint was analyzed for participants in the full analysis set with eradication at the end of study drug therapy. "99999" indicates values that could not be estimated.
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End point type |
Secondary
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End point timeframe |
Up to 30 days after the last dose of study drug (maximum of 72 days)
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No statistical analyses for this end point |
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End point title |
Time to positive clinical response | ||||||||||||
End point description |
Time to a positive clinical response is defined as the time from the first dose to the day during the treatment period that a positive clinical response (defined as a complete response or partial response) is observed for the first time, assessed by the Investigator.
Complete Response is defined as the resolution of all attributable signs related to fungal infection, if present at baseline and Partial Response is defined as improvement in attributable signs related to the fungal infection, if present at baseline.
Infants without positive responses and who survived were censored at one day post the end of treatment. Infants without positive responses who died before completing the treatment period, or were lost to follow-up during the treatment were censored at their death or last contact day.
This endpoint was analyzed in full analysis set participants with clinical signs and symptoms related to the fungal Infection at Baseline.
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End point type |
Secondary
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End point timeframe |
From first dose up to 30 days after the last dose of study drug (maximum of 72 days)
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No statistical analyses for this end point |
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End point title |
Clinical response at the end of study drug therapy | |||||||||||||||||||||||||||
End point description |
Clinical response assessments were based on the following definitions and assessed by the DRP:
● Complete Response: Resolution of all attributable signs related to fungal infection, if present at baseline.
● Partial Response: Improvement in attributable signs related to the fungal infection, if present at baseline.
● Stabilization: Minor improvement or no change in attributable signs related to the fungal infection, if present at baseline, and infant continued on therapy without deterioration.
● Progression: Deterioration in attributable signs related to the fungal infection, if present at baseline; or if death occurred presumably related to a fungal infection.
This endpoint was analyzed in full analysis set participants with clinical signs and symptoms related to the fungal Infection at Baseline.
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End point type |
Secondary
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End point timeframe |
Baseline and end of study drug therapy (maximum of 42 days)
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No statistical analyses for this end point |
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End point title |
Clinical response one week after last dose of study drug | |||||||||||||||||||||||||||
End point description |
Clinical response assessments were based on the following definitions and assessed by the DRP:
• Complete Response: Resolution of all attributable signs related to fungal infection, if present at baseline.
• Partial Response: Improvement in attributable signs related to the fungal infection, if present at baseline.
• Stabilization: Minor improvement or no change in attributable signs related to the fungal infection, if present at baseline, and infant continued on therapy without deterioration.
• Progression: Deterioration in attributable signs related to the fungal infection, if present at baseline; or if death occurred presumably related to a fungal infection.
This endpoint was analyzed in full analysis set participants with clinical signs and symptoms related to the fungal Infection at Baseline.
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End point type |
Secondary
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End point timeframe |
Baseline and one week after the last dose of study drug (maximum of 49 days)
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No statistical analyses for this end point |
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End point title |
Mycological response at end of study drug therapy | |||||||||||||||||||||
End point description |
Mycological response assessments were based on the following definitions and assessed by the DRP:
● Eradication: Culture or histologically documented absence of the infecting Candida species from all positive normally sterile sites during therapy, documented by 2 negative samples, drawn at least 24 h apart; for Candida meningitis and/or candiduria, 1 negative culture.
● Persistence: Continued isolation or histological documentation from a normally sterile site.
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End point type |
Secondary
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End point timeframe |
End of study drug therapy (maximum of 42 days)
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No statistical analyses for this end point |
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End point title |
Mycological response one week after last dose of study drug | |||||||||||||||||||||
End point description |
Mycological response assessments were based on the following definitions and assessed by the DRP:
• Eradication: Culture or histologically documented absence of the infecting Candida species from all positive normally sterile sites during therapy, documented by 2 negative samples, drawn at least 24 h apart; for Candida meningitis and/or candiduria, 1 negative culture.
• Persistence: Continued isolation or histological documentation from a normally sterile site.
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End point type |
Secondary
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End point timeframe |
One week after the last dose of study drug (maximum of 49 days)
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No statistical analyses for this end point |
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End point title |
Follow-up status for infants with end-organ assessments | ||||||||||||||||||||||||
End point description |
End-organ dissemination was assessed through abdominal ultrasound and/or computed tomography (CT), echocardiogram, head imaging and retinal exam. Each specific finding, documented by 1 of these techniques, was evaluated as follows:
● Improvement: Improvement in size, number or density of identified lesions. Complete response was not expected but may have been documented.
● Stabilization: Minor improvement or no change in size, number or density of identified lesions.
● Worsening: Increase in size or number of identified lesions.
This endpoint was analyzed in full analysis set participants with end-organ assessments.
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End point type |
Secondary
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End point timeframe |
Baseline and 30 days after the last dose of study drug (maximum of 72 days)
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No statistical analyses for this end point |
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End point title |
Plasma Micafungin Concentration [2] | ||||||||||||||
End point description |
This endpoint was analyzed in the pharmacokinetics (PK) analysis set, including those infants who received any amount of study drug, have at least one study drug concentration, and have dosing and blood collection date and time data sufficient for inclusion in a population pharmacokinetic analysis.
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End point type |
Secondary
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End point timeframe |
15 minutes post intravenous infusion (IV), 4-8 hours post IV and 15-24 hours post IV
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Notes [2] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: PK analyses were performed in the micafungin treatment group only. |
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No statistical analyses for this end point |
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Adverse events information
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Timeframe for reporting adverse events |
From first dose of study drug until 72 hours after the last dose; mean duration of study drug exposure among micafungin-treated patients was 18.6 days and 15.5 days for Amphotericin B-treated patients.
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Assessment type |
Systematic | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
12.0
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Reporting groups
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Reporting group title |
Amphotericin B
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Reporting group description |
Infants received amphotericin B deoxycholate (CAB) at a dose of 1.0 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Micafungin
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Reporting group description |
Infants received micafungin at a dose of 10 mg/kg per day by intravenous infusion for a minimum of 21 days to a maximum of 28 days for infants without end-organ dissemination or for a maximum of 42 days for infants with end-organ dissemination. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? Yes | |||
Date |
Amendment |
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22 Aug 2013 |
- Add clarifying language for a negative or positive culture and a time window of ± 3 h to the treatment period collection of every 48 h.
- Time windows added to Schedule of Assessments.
- Include a new criterion prohibiting participation in another interventional study while on treatment.
- Provide clarity around qualifying specimens from an indwelling catheter.
- Clarify that there are limited amount of antifungal therapies approved in the introduction.
- Provide further clarifying details on non-GLP studies.
- Replace ‘subject’ with ‘infant’ under discontinuation criteria and include clarification of the end of study visit (ESV) procedure window.
- Update study drug handling.
- Provide clarity on dilution requirements, flushing technique, clarification on color of coverings and consistency in instructions on the administration of micafungin and of CAB.
- Add details for unblinded personnel on maintaining blind for study drug materials.
-Provide guidance during treatment for removal and replacement of existing central lines.
- Ensure the collection of all antifungal treatment provided.
- Added the volume of blood to be drawn for blood culture.
- Clarify pharmacoeconomic data collection on length of stay.
- Update to definition of adverse events.
- Definition of infusion related reaction is provided with guidance on what is to be documented around the reaction.
- Additional information on AEs specific to the comparator.
- Include revisions regarding notification of SAEs in the study, investigators responsibility for IRB/IEC notification and information on CIOMS in a blinded study.
- Addition of protocol deviation information and definition.
- Addition of definition of End of Study.
- Informed consent requirements are updated.
- Added clarification of requirements if there is new or important information.
- Additional information provided regarding sponsor insurance for study subjects.
- Updated clinical study report signatory. |
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Interruptions (globally) |
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Were there any global interruptions to the trial? No | |||
Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||
None reported |