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Hypothermia's Impact on Pharmacology (HIP)

1. marts 2021 opdateret af: Children's Hospital of Philadelphia

Impact of Hypothermia on Midazolam and Morphine Pharmacokinetics

The purpose of the study will help us understand the complex interaction between hypothermia (cooling) and pharmacogenetics (how specific genes effect how drugs are handled), and their impact on how routinely given sedation drug are broken down and used by the body when given to children after cardiac arrest (when heart stops pumping blood) and are critically ill.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

Background:

Therapeutic hypothermia is used in the pediatric intensive care unit, and is being studied in the setting of pediatric cardiac arrest. Following cardiac arrest, multiple organ dysfunction syndrome, especially renal and hepatic dysfunction, is common and affects the metabolism and excretion of drugs. In addition, very little is known about the impact of hypothermia on a child's ability to metabolize medications. Dose adjustments may be required in the setting of hypothermia to avoid under-dosing and over-dosing of medications. Improper dosing and drug accumulation of sedatives and opiates can worsen existing neurologic, circulatory and respiratory failure. The measurement of the actual drug and metabolite concentrations in the body (pharmacokinetics) provides information on how a child metabolizes medications. In addition, variability in these concentrations after the administration of equal doses to different children may result from genetically driven differences in drug metabolizing systems (pharmacogenetics). Finally, these genetic differences may respond differently to hypothermia. Our overarching hypothesis is that morphine and midazolam disposition will be affected by temperature management even when accounting for potentially confounding quantifiable factors of organ dysfunction and genetic differences.

Objectives:

The objectives of this study, Hypothermia's Impact on Pharmacology 2, are

  1. To estimate the impact of hypothermia on the variability in morphine and midazolam pharmacokinetics in children after cardiac arrest and
  2. To estimate the impact of genetic factors on the variability in morphine and midazolam pharmacokinetics, specifically in the setting of hypothermia.

Sophisticated modeling and simulation techniques will be utilized to examine the highly dynamic changes in physiology associated with critical illness, drug disposition, pharmacogenetics and temperature modulation. The models created using this approach will be implemented to optimize the prospective treatment of these critically ill children.

Study Design:

Prospective pharmacokinetic study

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

41

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • Alabama
      • Birmingham, Alabama, Forenede Stater, 35294
        • University of Alabama at Birmingham
    • District of Columbia
      • Washington, District of Columbia, Forenede Stater, 20010
        • Children's National Medical Center
    • Kentucky
      • Louisville, Kentucky, Forenede Stater, 40202
        • University of Louisville
    • Michigan
      • Ann Arbor, Michigan, Forenede Stater, 48109
        • Univeristy of Michigan
    • Ohio
      • Columbus, Ohio, Forenede Stater, 43205
        • Nationwide Children's Medical Center
    • Pennsylvania
      • Hershey, Pennsylvania, Forenede Stater, 19104
        • Pennsylvania State University Hersey Medical Center
      • Philadelphia, Pennsylvania, Forenede Stater, 19104
        • The Children's Hospital of Philadelphia
      • Pittsburgh, Pennsylvania, Forenede Stater, 15224
        • University of Pittsburgh
    • Washington
      • Seattle, Washington, Forenede Stater, 98105
        • Seattle Children's Hospital

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

Ikke ældre end 18 år (Barn, Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

The study population is the pediatric population equal to or greater than 3 kg and less than 18 years of age AND have had or currently receiving morphine and/or midazolam AND receive hypothermia after cardiac arrest administered as part of clinical care.

Beskrivelse

Inclusion Criteria:

  • Be greater than or equal to three (3) kg
  • Receiving or have received morphine and/or midazolam as part of clinical care
  • Receiving hypothermia after any cardiac arrest
  • Provide Informed Consent

Exclusion Criteria:

  • Receiving renal replacement therapy [example Continuous Veno-Venous Hemofiltration (CVVH), Continuous Veno-Venous Hemodialysis (CVVHD), and Continuous Veno-Venous Hemodiafiltration (CVVHDF)]
  • Receiving plasmapheresis

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Pediatric after Cardiac Arrest
Pediatric patients greater than 3 kg. and less than 18 years suffering cardiac arrest who have been given or currently receiving morphine and/or midazolam and receiving hypothermia.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Physiologic manifestations of cardiac arrest and Multiple Organ Dysfunction Syndrome (MODS) in relation to morphine and midazolam
Tidsramme: 2.5 years
The objective of this aim is to identify the physiologic manifestations of cardiac arrest and MODS that underlie the variability in morphine and midazolam pharmacokinetics.
2.5 years

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Impact of genetic factors
Tidsramme: 2.5 years
The objective of this aim is to estimate the impact of genetic factors that underlie the variability in morphine and midazolam pharmacokinetics (PK), specifically in the setting of pediatric cardiac arrest. In this aim we will investigate the effect of genotype on pharmacokinetic parameters for morphine and midazolam.
2.5 years

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Manifestations of hypothermia
Tidsramme: 2.5 years
The objective of this aim is to identify the manifestations of hypothermia that underlie the variability in morphine and midazolam pharmacokinetics in children after cardiac arrest. In this aim we will investigate the effect of body temperature on PK parameters for morphine and midazolam.
2.5 years

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Children's Hospital of Philadelphia

Efterforskere

  • Ledende efterforsker: Athena F Zuppa, MD MSCE, Children's Hospital of Philadelphia

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. marts 2012

Primær færdiggørelse (Faktiske)

1. januar 2018

Studieafslutning (Faktiske)

28. januar 2018

Datoer for studieregistrering

Først indsendt

20. marts 2012

Først indsendt, der opfyldte QC-kriterier

21. marts 2012

Først opslået (Skøn)

22. marts 2012

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

2. marts 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

1. marts 2021

Sidst verificeret

1. marts 2021

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 12-009214
  • RO1HL11274501A1 (Anden identifikator: NIHLBI)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

UBESLUTET

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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