- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT04870125
Sikkerhetsstudie av inhalert karbonmonoksid for å behandle sepsis-indusert akutt respiratorisk distress-syndrom (ARDS)
En fase Ib-forsøk med inhalert karbonmonoksid for behandling av sepsis-indusert akutt respiratorisk distress-syndrom (ARDS)
Studieoversikt
Status
Forhold
Detaljert beskrivelse
ARDS er et syndrom av alvorlig akutt lungebetennelse og hypoksemisk respirasjonssvikt med en forekomst på 180 000 tilfeller årlig i USA. Til tross for nylige fremskritt innen intensivbehandling og lungebeskyttende ventilasjonsstrategier, forblir ARDS-sykelighet og -dødelighet uakseptabelt høy. Videre eksisterer det for tiden ingen spesifikke effektive farmakologiske terapier. Sepsis, livstruende organdysfunksjon forårsaket av en dysregulert vertsrespons på infeksjon, representerer en stor risiko for utvikling av ARDS og multiorgandysfunksjonssyndrom (MODS). De siste årene har antallet pasienter med alvorlig sepsis steget til 750 000 per år i USA, som har en alarmerende prognose for kritisk syke pasienter på intensivavdelingen med betydelig risiko for utvikling av ARDS. Mangelen på spesifikke effektive terapier for ARDS indikerer et behov for nye behandlinger som retter seg mot nye veier. Karbonmonoksid (CO) representerer en ny terapeutisk modalitet ved sepsis-indusert ARDS basert på data innhentet i eksperimentelle modeller for sepsis og ARDS det siste tiåret.
CO har vist seg å være beskyttende i eksperimentelle modeller for akutt lungeskade (ALI) og sepsis. Videre har flere menneskelige studier vist at eksperimentell administrering av flere forskjellige konsentrasjoner av CO tolereres godt og at lavdose inhalert CO trygt kan administreres til forsøkspersoner i et kontrollert forskningsmiljø. Etterforskerne har tidligere utført en fase I-studie av lavdose iCO i sepsis-indusert ARDS som viste at presis administrering av lavdose iCO (100 og 200 ppm) er mulig, godt tolerert og trygt hos pasienter med sepsis-indusert ARDS.
Hensikten med denne studien er å vurdere sikkerheten og nøyaktigheten til en CFK-ligningsbasert iCO-personalisert doseringsalgoritme for inhalert karbonmonoksid (iCO) for å oppnå et mål COHb-nivå på 6-8 % hos mekanisk ventilerte pasienter med sepsis-indusert ARDS.
Studietype
Registrering (Faktiske)
Fase
- Fase 1
Kontakter og plasseringer
Studiesteder
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Massachusetts
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Boston, Massachusetts, Forente stater, 02115
- Brigham and Women's Hospital
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Boston, Massachusetts, Forente stater, 02114
- Massachusetts General Hospital
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Missouri
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St Louis, Missouri, Forente stater, 63110
- Washington University
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New York
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Brooklyn, New York, Forente stater, 11215
- New York-Presbyterian Brooklyn Methodist Hospital
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New York, New York, Forente stater, 10065
- Weill Cornell Medical College
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North Carolina
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Durham, North Carolina, Forente stater, 27710
- Duke University Hospital
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Beskrivelse
Inklusjonskriterier:
Alle pasienter (18 år og eldre) vil være kvalifisert for inkludering hvis de oppfyller alle følgende konsensuskriterier for sepsis og ARDS.
Pasienter med sepsis er definert som de med livstruende organdysfunksjon forårsaket av en dysregulert vertsrespons på infeksjon:
- Mistenkt eller påvist infeksjon: Infeksjonssteder inkluderer thorax, urinveier, mage, hud, bihuler, sentrale venekatetre og sentralnervesystemet
- Økning i sekvensiell organsviktvurdering (SOFA)-score ≥ 2 over baseline
ARDS er definert når alle fire av følgende kriterier er oppfylt:
- Et PaO2/FiO2-forhold ≤ 300 med minst 5 cm H2O positivt endeekspiratorisk luftveistrykk (PEEP)
- Bilaterale uklarheter på frontal røntgen av brystet (ikke fullt ut forklart av effusjoner, lobar/lungekollaps eller knuter) innen 1 uke etter en kjent klinisk fornærmelse eller nye eller forverrede luftveissymptomer
- Behov for overtrykksventilasjon med endotrakeal- eller trakealtube
- Respirasjonssvikt ikke fullt ut forklart av hjertesvikt eller væskeoverbelastning; trenger objektiv vurdering (f.eks. ekkokardiografi) for å utelukke hydrostatisk ødem hvis ingen risikofaktor er tilstede
Ekskluderingskriterier:
En person som oppfyller noen av følgende kriterier vil bli ekskludert fra deltakelse i denne studien:
- Alder under 18 år
- Mer enn 168 timer siden ARDS startet
- Gravid eller ammende
- Fange
- Pasient, surrogat eller lege som ikke er forpliktet til full støtte (unntak: en pasient vil ikke bli ekskludert hvis han/hun vil motta all støttende behandling bortsett fra forsøk på gjenopplivning etter hjertestans)
- Ingen samtykke/manglende evne til å innhente samtykke eller passende juridisk representant ikke tilgjengelig
- Lege nektet å tillate innmelding i rettssaken
- Døende pasient forventes ikke å overleve 24 timer
- Ingen arteriell linje eller sentrallinje/ingen hensikt å plassere en arteriell eller sentral linje
- Ingen intensjon/uvilje til å følge lungebeskyttende ventilasjonsstrategi
- Alvorlig hypoksemi definert som SpO2 < 95 eller PaO2 < 90 på FiO2 ≥ 0,9
- Hemoglobin < 7,0 g/dL
- Personer som er Jehovas vitner eller på annen måte ikke er i stand til eller ikke vil motta blodoverføringer under sykehusinnleggelse
- Akutt hjerteinfarkt (MI) eller akutt koronarsyndrom (ACS) i løpet av de siste 90 dagene
- Koronar bypass-operasjon (CABG) innen 30 dager
- Angina pectoris eller bruk av nitrater med daglige aktiviteter
- Alvorlig kardiopulmonal sykdom klassifisert som New York Heart Association (NYHA) klasse IV
- Hjerneslag (iskemisk eller hemorragisk) i løpet av den siste måneden, hjertestans som krever HLR innen de foregående 72 timene, eller manglende evne til å vurdere mental status etter hjertestans
- Brannskader > 40 % total kroppsoverflate
- Alvorlig inhalasjonsskade i luftveiene
- Bruk av høyfrekvent oscillerende ventilasjon
- Bruk av ekstrakorporal membranoksygenering (ECMO)
- Bruk av inhalert pulmonal vasodilatatorterapi (f.eks. nitrogenoksid [NO] eller prostaglandiner)
- Diffus alveolær blødning fra vaskulitt
- Samtidig deltakelse i annen legemiddelstudie
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Dobbelt
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
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Placebo komparator: Medisinsk luft
Inhalert medisinsk luft i opptil 90 minutter daglig i 3 dager.
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Inhalert medisinsk luft i opptil 90 minutter daglig i 3 dager.
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Eksperimentell: Inhalert karbonmonoksid
Inhalert karbonmonoksid ved CFK-ligningsbestemt personlig dose (200-500 ppm for å oppnå et COHb-nivå på 6-8%) i opptil 90 minutter daglig i 3 dager.
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Inhalert karbonmonoksid ved CFK-ligningsbestemt personlig dose (200-500 ppm for å oppnå et COHb-nivå på 6-8%) i opptil 90 minutter daglig i 3 dager.
Andre navn:
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Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
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Primary Safety Outcome: Number of Pre-specified Administration-related Adverse Events (AEs).
Tidsramme: 7 days
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Safety of inhaled CO, defined by the incidence of pre-specified administration-related AEs (as defined below) and spontaneously reported AEs through study day 7.
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7 days
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Percentage Change Measured Relative to Target COHb Level
Tidsramme: Post exposure 90 min day 1
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This was assessed by comparing the measured 90-minute COHb level and the target COHb level of 6-8% post exposure.
We present average data from the two available subjects in the CO group and report as "Mean" with standard deviation.
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Post exposure 90 min day 1
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Variance of Measured Relative to Target COHb Level
Tidsramme: Post exposure 90 min day 2
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This was assessed by comparing the measured 90-minute COHb level and the target COHb level of 6-8% post exposure.
The limited number of measurements prevent the variance and measures of dispersion calculations; therefore we present the data from one available subject in the CO group and report as "Mean" without standard deviation, since measures of dispersion cannot be calculated.
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Post exposure 90 min day 2
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Variance of Measured Relative to Target COHb Level
Tidsramme: Post exposure 90 min day 3
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This was assessed by comparing the measured 90-minute COHb level and the target COHb level of 6-8% post exposure.
The limited number of measurements prevent the variance and measures of dispersion calculations; therefore we present the data from one available subject in the CO group and report as "Mean" without standard deviation, since measures of dispersion cannot be calculated.
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Post exposure 90 min day 3
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Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
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Lung Injury Score (LIS) on Days 1-5 Days
Tidsramme: 5 days
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The Lung Injury Score (LIS) is a composite 4-point scoring system including the PaO2/FiO2, PEEP, quasi-static respiratory compliance, and the extent of infiltrates on the chest X-ray.
Each of the four components is categorized from 0 to 4, where a higher number is worse.
The total Lung Injury Score is obtained by dividing the aggregate sum by the number of components used.
Previous randomized clinical trials in ARDS have shown that a decreased LIS correlates with improvement in lung physiology as well as important clinical outcomes including mortality and ventilator-free days (VFDs).
The number presented is the average difference from beginning to end of treatment.
We present the average of data from the 2 available subjects in each group and report as "Mean" with standard deviation.
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5 days
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Percent Change in PaO2/FiO2 Ratio Between Baseline and Day 5
Tidsramme: Baseline to day 5
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PaO2/FiO2 was to be measured on days 1-5 in ventilated subjects.
We are providing percent change in PaO2/FiO2 ratio from baseline to day 5.
We present the average of data from the 2 available subjects in each group and report as "Mean" with standard deviation.
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Baseline to day 5
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Oxygenation Index (OI) on Days 1-5 Days
Tidsramme: 5 days
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The oxygenation index will be measured on days 1-5 in ventilated subjects.
Oxygenation index is calculated as (FiO2 X mean airway pressure)/PaO2.
We provide change in Oi from baseline.
Oi is only measured when subjects are ventilated, therefore not all timepoints are available.
Limited number of measurements prevents variance and measures of dispersion analyses; therefore we present the data from the subjects available in each group and report as "Mean" without standard deviation, where measures of dispersion cannot be calculated.
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5 days
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Dead Space Fraction (Vd/Vt) on Days 1-3
Tidsramme: Day 3
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The dead space fraction will be measured days 1-3 in ventilated subjects.
We present change in dead space fraction between initial and final measurements that were available (measurements only taken while the subjects were intubated).
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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Day 3
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Sequential Organ Failure Assessment (SOFA) Score on Days 1-5.
Tidsramme: 1-5 days
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Organ failure will be assessed using the SOFA score.
SOFA scores will be assessed daily on days 1-5, as the SOFA score has been shown to be a reliable prognostic indicator of outcomes in critically ill patients.
To calculate the Sequential Organ Failure Assessment (SOFA) score, each of the six components (Respiratory, Coagulation, Liver, Cardiovascular, Central Nervous System, Renal) is categorized from 0-4, where a higher number is worse.
The SOFA score (0-24) will be calculated by summing all six components.
We present changes in SOFA score over the time of hospitalization, over the time of ICU admission (up to days 3 and 5 for the enrolled subjects).
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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1-5 days
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Ventilator-free Days at Day 28
Tidsramme: 28 days
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Ventilator-free days to day 28 are defined as the number of days from the time of initiating unassisted breathing to day 28 after randomization, assuming survival for at least two consecutive calendar days after initiating unassisted breathing and continued unassisted breathing to day 28.
If a subject returns to assisted breathing and subsequently achieves unassisted breathing to day 28, VFDs will be counted from the end of the last period of assisted breathing to day 28.
Participants who do not survive to day 28 are assigned zero ventilator-free days.
We present data of ventilator free days for enrolled subjects.
Note that one subject in the medical air group died at day 9.
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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28 days
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ICU-free Days at Day 28
Tidsramme: 28 days
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ICU-free days will be assessed on day 28.
ICU-free days is defined as the number of days between randomization and day 28 in which the patient is in the ICU (for any part of a day).
We present average number of ICU free days.
Please note that one subject in the medical air group died at day 9.
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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28 days
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Hospital-free Days at Day 60
Tidsramme: 60 days
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Hospital-free days will be assessed on day 60.
Hospital-free days are days alive post hospital discharge through day 60.
Patients who die on or prior to day 60 are assigned zero hospital-free days.
We present hospital free days at day 60.
Please note that one subject in the air group died at day 9.
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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60 days
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Hospital Mortality to Day 28 and 60
Tidsramme: 60 days
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Mortality will be assessed on day 28 and day 60.
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60 days
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Montreal Cognitive Assessment- MoCA-Blind
Tidsramme: 3 months
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Montreal Cognitive Assessment - Blind Version (MoCA-Blind) The MoCA-Blind is a remote adaptation of the Montreal Cognitive Assessment (MoCA) used as a screening assessment for detecting cognitive impairment. It is administered via telephone interview. The MoCA-Blind assesses the following cognitive domains (points):
The minimum score is 0 and maximum score is 22 points. Calculated as the sum of all domains. Interpretation: Higher scores indicate better cognitive functioning. Lower scores indicate worse cognitive functioning (greater cognitive impairment). A score of 18 or above is within the normal range. A limited number of measurements prevents variance and dispersion analyses; therefore, we report available group data as "means" without standard deviation where dispersion cannot be calculated. |
3 months
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Montreal Cognitive Assessment- MoCA-Blind
Tidsramme: 6 months
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Montreal Cognitive Assessment - Blind Version (MoCA-Blind) The MoCA-Blind is a remote adaptation of the Montreal Cognitive Assessment (MoCA) used as a screening assessment for detecting cognitive impairment. It is administered via telephone interview. The MoCA-Blind assesses the following cognitive domains (points):
The minimum score is 0 and maximum score is 22 points. Calculated as the sum of all domains. Interpretation: Higher scores indicate better cognitive functioning. Lower scores indicate worse cognitive functioning (greater cognitive impairment). A score of 18 or above is within the normal range. A limited number of measurements prevents variance and dispersion analyses; therefore, we report available group data as "means" without standard deviation, since dispersion cannot be calculated. |
6 months
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Hayling Sentence Completion Test
Tidsramme: 3 months
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The Hayling Sentence Completion Test assesses executive functioning (response initiation and inhibition), administered via telephone. With 30 sentence-completion items split into 2 sections (15 each). Sections:
Scores (response time and errors) from both sections are combined and converted to an age-adjusted standardized total score. Total combined standardized score ranges from 1-10:
Higher scores= Better executive functioning Lower scores= Greater impairment. A limited number of measurements prevents variance and dispersion analyses; therefore, we report available group data as "means" without standard deviation where dispersion cannot be calculated. |
3 months
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Hayling Sentence Completion Test
Tidsramme: 6 months
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The Hayling Sentence Completion Test assesses executive functioning (response initiation and inhibition), administered via telephone. With 30 sentence-completion items split into 2 sections (15 each). Sections:
Scores (response time and errors) from both sections are combined and converted to an age-adjusted standardized total score. Total combined standardized score ranges from 1-10:
Higher scores= Better executive functioning Lower scores= Greater impairment. A limited number of measurements prevents variance and dispersion analyses; therefore, we report available group data as "means" without standard deviation, since dispersion cannot be calculated. |
6 months
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Andre resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
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Change in Biomarkers of Mitochondrial Dysfunction
Tidsramme: Baseline and 3 days
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Mitochondrial DNA (mtDNA) plasma levels will be measured on days 1-3 by quantitative PCR of human NADH dehydrogenase 1. Limited number of measurements prevents variance analyses; therefore we present the data from the subjects available in each group and report as "Mean" without standard deviation, since measures of dispersion cannot be calculated.
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Baseline and 3 days
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Change in Biomarkers of Inflammasome Activation
Tidsramme: 5 days
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Plasma IL-18 levels will be measured on days 1-3 and day 5 by ELISA.
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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5 days
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Change in Biomarkers of Necroptosis
Tidsramme: 5 days
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Plasma RIPK3 levels will be measured on days 1-3 and day 5 by ELISA.
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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5 days
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Plasma Lipid Mediators (LM) and Specialized Pro-resolving Mediators (SPMs)
Tidsramme: 5 days
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Lipid mediators (LM) and specialized pro-resolving mediators (SPMs) will be measured in plasma on days 1-3 and day 5 using liquid chromatography-tandem mass spectrometry (LC-MS-MS) based methods.
We present the data from the subjects available in each group and report as "Mean" with standard deviation.
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5 days
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Samarbeidspartnere og etterforskere
Sponsor
Samarbeidspartnere
Etterforskere
- Hovedetterforsker: Rebecca M Baron, MD, Brigham and Women's Hospital
Publikasjoner og nyttige lenker
Generelle publikasjoner
- Rhodes MA, Carraway MS, Piantadosi CA, Reynolds CM, Cherry AD, Wester TE, Natoli MJ, Massey EW, Moon RE, Suliman HB. Carbon monoxide, skeletal muscle oxidative stress, and mitochondrial biogenesis in humans. Am J Physiol Heart Circ Physiol. 2009 Jul;297(1):H392-9. doi: 10.1152/ajpheart.00164.2009. Epub 2009 May 22.
- Fredenburgh LE, Kraft BD, Hess DR, Harris RS, Wolf MA, Suliman HB, Roggli VL, Davies JD, Winkler T, Stenzler A, Baron RM, Thompson BT, Choi AM, Welty-Wolf KE, Piantadosi CA. Effects of inhaled CO administration on acute lung injury in baboons with pneumococcal pneumonia. Am J Physiol Lung Cell Mol Physiol. 2015 Oct 15;309(8):L834-46. doi: 10.1152/ajplung.00240.2015. Epub 2015 Aug 28.
- Hausberg M, Somers VK. Neural circulatory responses to carbon monoxide in healthy humans. Hypertension. 1997 May;29(5):1114-8. doi: 10.1161/01.hyp.29.5.1114.
- Mayr FB, Spiel A, Leitner J, Marsik C, Germann P, Ullrich R, Wagner O, Jilma B. Effects of carbon monoxide inhalation during experimental endotoxemia in humans. Am J Respir Crit Care Med. 2005 Feb 15;171(4):354-60. doi: 10.1164/rccm.200404-446OC. Epub 2004 Nov 19.
- Peterson JE, Stewart RD. Predicting the carboxyhemoglobin levels resulting from carbon monoxide exposures. J Appl Physiol. 1975 Oct;39(4):633-8. doi: 10.1152/jappl.1975.39.4.633.
- Stewart RD, Peterson JE, Baretta ED, Bachand RT, Hosko MJ, Herrmann AA. Experimental human exposure to carbon monoxide. Arch Environ Health. 1970 Aug;21(2):154-64. doi: 10.1080/00039896.1970.10667214. No abstract available.
- Zevin S, Saunders S, Gourlay SG, Jacob P, Benowitz NL. Cardiovascular effects of carbon monoxide and cigarette smoking. J Am Coll Cardiol. 2001 Nov 15;38(6):1633-8. doi: 10.1016/s0735-1097(01)01616-3.
- Ren X, Dorrington KL, Robbins PA. Respiratory control in humans after 8 h of lowered arterial PO2, hemodilution, or carboxyhemoglobinemia. J Appl Physiol (1985). 2001 Apr;90(4):1189-95. doi: 10.1152/jappl.2001.90.4.1189.
- Pecorella SR, Potter JV, Cherry AD, Peacher DF, Welty-Wolf KE, Moon RE, Piantadosi CA, Suliman HB. The HO-1/CO system regulates mitochondrial-capillary density relationships in human skeletal muscle. Am J Physiol Lung Cell Mol Physiol. 2015 Oct 15;309(8):L857-71. doi: 10.1152/ajplung.00104.2015. Epub 2015 Jul 17.
- Fredenburgh LE, Perrella MA, Barragan-Bradford D, Hess DR, Peters E, Welty-Wolf KE, Kraft BD, Harris RS, Maurer R, Nakahira K, Oromendia C, Davies JD, Higuera A, Schiffer KT, Englert JA, Dieffenbach PB, Berlin DA, Lagambina S, Bouthot M, Sullivan AI, Nuccio PF, Kone MT, Malik MJ, Porras MAP, Finkelsztein E, Winkler T, Hurwitz S, Serhan CN, Piantadosi CA, Baron RM, Thompson BT, Choi AM. A phase I trial of low-dose inhaled carbon monoxide in sepsis-induced ARDS. JCI Insight. 2018 Dec 6;3(23):e124039. doi: 10.1172/jci.insight.124039.
- Rosas IO, Goldberg HJ, Collard HR, El-Chemaly S, Flaherty K, Hunninghake GM, Lasky JA, Lederer DJ, Machado R, Martinez FJ, Maurer R, Teller D, Noth I, Peters E, Raghu G, Garcia JGN, Choi AMK. A Phase II Clinical Trial of Low-Dose Inhaled Carbon Monoxide in Idiopathic Pulmonary Fibrosis. Chest. 2018 Jan;153(1):94-104. doi: 10.1016/j.chest.2017.09.052. Epub 2017 Oct 31.
- Bathoorn E, Slebos DJ, Postma DS, Koeter GH, van Oosterhout AJ, van der Toorn M, Boezen HM, Kerstjens HA. Anti-inflammatory effects of inhaled carbon monoxide in patients with COPD: a pilot study. Eur Respir J. 2007 Dec;30(6):1131-7. doi: 10.1183/09031936.00163206. Epub 2007 Aug 22.
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
- Patologiske prosesser
- Infeksjoner
- Sykdommer i luftveiene
- Systemisk inflammatorisk responssyndrom
- Betennelse
- Lungesykdommer
- Respirasjonsforstyrrelser
- Patologiske tilstander, tegn og symptomer
- Respiratorisk distress syndrom
- Sepsis
- Fysiologiske effekter av legemidler
- Molekylære mekanismer for farmakologisk virkning
- Antimetabolitter
- Nevrotransmittere agenter
- Gassendere
- Karbonmonoksid
Andre studie-ID-numre
- 2021P000745
- 1R61HL153011-01 (U.S. NIH-stipend/kontrakt)
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
IPD-planbeskrivelse
IPD-delingstidsramme
Tilgangskriterier for IPD-deling
IPD-deling Støtteinformasjonstype
- STUDY_PROTOCOL
- ICF
Legemiddel- og utstyrsinformasjon, studiedokumenter
Studerer et amerikansk FDA-regulert medikamentprodukt
Studerer et amerikansk FDA-regulert enhetsprodukt
produkt produsert i og eksportert fra USA
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