- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT06326996
Thiaminintervention og koronararterie-bypass-transplantation (B1&CABG)
30. juli 2025 opdateret af: Rajesh Kumar, PhD, University of California, Los Angeles
Thiaminintervention og kognition hos ældre voksne, der gennemgår koronararterie-bypass-transplantation - et randomiseret klinisk forsøg.
Formålet med denne undersøgelse er at opnå en bedre forståelse af sammenhængen mellem hjerneforandringer og kognitive deficit hos patienter med koronar hjertesygdom (CHD), der gennemgår koronar bypasstransplantation (CABG), og om en billig thiaminintervention kan bruges til at reducere post -CABG kognitive problemer i CHD emner.
Studieoversigt
Status
Rekruttering
Intervention / Behandling
Detaljeret beskrivelse
Ved at bruge et dobbelt-blindt randomiseret, longitudinelt studiedesign i to grupper, vil 52 patienter med koronar hjertesygdom (CHD), der gennemgår koronar bypasstransplantation (CABG) (alder 60-80 år; 26 thiaminbehandling og 26 placebo) deltage i kognitiv vurdering og evaluering af blodets thiamin-, laktat- og inflammatoriske markørniveauer.
Vi foreslår, at thiamininfusion vil hjælpe med at reducere laktat- og inflammatoriske markørniveauer, som observeret under andre tilstande.
Resultaterne fra denne undersøgelse kan tjene som en ny og innovativ behandlingsstrategi til beskyttelse mod faldende kognition og dermed bedre resultater og forbedret livskvalitet og daglige aktiviteter.
Dette kliniske forsøgsstudie vil give nødvendige data vedrørende fordelene ved en billig thiaminintervention, der kunne implementeres i et stort klinisk forsøg for at reducere post-CABG kognitive underskud i ældre CHD og dermed mindske tidlig demens, forbedre social funktion , øge livskvaliteten og daglige aktiviteter og reducere sundhedsomkostningerne i denne alvorlige ældre CHD-patientpopulation.
Undersøgelsestype
Interventionel
Tilmelding (Anslået)
52
Fase
- Tidlig fase 1
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiekontakt
- Navn: Rajesh Kumar, PhD
- Telefonnummer: 310-206-1699
- E-mail: rkumar@mednet.ucla.edu
Undersøgelse Kontakt Backup
- Navn: Dineth Karunamuni, MS
- Telefonnummer: 856-701-5332
- E-mail: dkarunamuni@mednet.ucla.edu
Studiesteder
-
-
California
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Los Angeles, California, Forenede Stater, 90095
- Rekruttering
- UCLA
-
Kontakt:
- Rajesh Kumar, PHD
- Telefonnummer: 310-825-1808
- E-mail: rkumar@mednet.ucla.edu
-
Ledende efterforsker:
- Rajesh Kumar, PHD
-
Kontakt:
- Dineth Karunamuni, MS
- Telefonnummer: 856-701-5332
- E-mail: dkarunamuni@mednet.ucla.edu
-
-
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
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Ingen
Beskrivelse
Inklusionskriterier:
- Patienter med koronar hjertesygdom (CHD) planlagt til bypasstransplantation (CABG)
- Thiaminmangel før CABG
- Europæisk system for hjerteoperativ risikovurdering II (EuroSCORE II) >1,5 %
- Off-pumpe operation
Ekskluderingskriterier:
- Demens ved baseline [Montreal Cognitive Assessment (MoCA) <21 inden for 5 dage før CABG]
- Aktuelt indtag af thiamin
- Kendt thiaminallergi
- Ukontrollerede blodsukkerniveauer
- Kan ikke give samtykke på grund af sygdom
- Anamnese med hyperlaktæmi
- Nylige (inden for flere år og/eller op til PI/co-PI'ernes bedømmelse) cerebrale hændelser (anfald eller hovedtraume, der resulterer i bevidsthedstab og/eller hjernerystelse)
- Slag
- Diagnosticerede psykiatriske sygdomme (klinisk depression, skizofreni, maniodepression)
- Patienter med historie med alkohol- eller stofmisbrug
- Akutte eller kroniske infektioner (tuberkulose, hepatitis eller encefalopati)
- Diagnosticeret neurodegenerative sygdomme (Alzheimers eller Parkinsons sygdom)
- Kronisk immundefekt (herunder HIV)
- Medfødte hjernemangler vil også blive udelukket
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Eksperimentel: Post-CABG patienter med Thiamin Treatment Intervention.
Vurder kognition og evaluer niveauer af thiamin, laktat og inflammatoriske markører i blodet hos patienter, der modtager thiamininterventionsbehandling inden for 5 dage (baseline) og en måned efter CABG.
|
Deltagerne vil få en infusion af thiamin.
Andre navne:
|
|
Placebo komparator: Post-CABG patienter uden thiaminbehandlingsintervention.
Vurder kognition og evaluer blodets thiamin-, laktat- og inflammatoriske markørniveauer hos patienter, der modtager placebobehandling inden for 5 dage (baseline) og en måned efter CABG.
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Deltagerne vil få en infusion af placebobehandlingen.
Andre navne:
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Virkninger af thiaminbehandlingsintervention på blodlaktatniveauer.
Tidsramme: Baseline og efter 1 måned efter CABG.
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Vurder thiaminbehandlingseffekt på blodlaktatniveauer hos CABG-patienter med og uden intervention målt via blodgasanalysator (ABL90 flex plus, Radiometer).
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Baseline og efter 1 måned efter CABG.
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Virkninger af thiaminbehandlingsintervention på blodets thiaminniveauer.
Tidsramme: Baseline og efter 1 måned efter CABG.
|
Vurder thiaminbehandlingseffekt på blodtiaminniveauer hos CABG-patienter med og uden intervention målt via blodgasanalysator (ABL90 flex plus, Radiometer).
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Baseline og efter 1 måned efter CABG.
|
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Virkninger af thiaminbehandlingsintervention på blodinflammatoriske niveauer.
Tidsramme: Baseline og efter 1 måned efter CABG.
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Vurder thiaminbehandlingens effekt på blodinflammatoriske niveauer hos CABG-patienter med og uden intervention målt via et brugerdefineret kit, inklusive cytokiner fra det humane 38-plex magnetiske cytokin/kemokin-kit, vil blive brugt i henhold til producentens instruktioner.
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Baseline og efter 1 måned efter CABG.
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Langtidseffekt af thiaminbehandlingsintervention på daglige aktiviteter ved brug af PPA.
Tidsramme: 6 måneder efter CABG.
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Undersøg den langsigtede daglige aktivitetsstatus hos ældre CHD-personer med og uden thiamininterventionsbehandling målt ved Paffenbarger Physical Activity (PPA).
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6 måneder efter CABG.
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Evaluer kognitiv funktion hos CABG-patienter med thiaminbehandling.
Tidsramme: Baseline og efter 1 måned efter CABG.
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Efterforskerne vil evaluere kognitiv funktion ved hjælp af NIH Toolbox Cognition Battery (eksekutiv funktion, opmærksomhed og hastighed).
CABG-patienter med thiaminbehandling vil vise en ændring i kognition i forhold til CABG-patienter uden thiaminbehandling.
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Baseline og efter 1 måned efter CABG.
|
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Evaluer langsigtede virkninger af thiaminbehandlingsintervention på kognitiv funktion hos CABG-patienter med thiaminbehandling.
Tidsramme: 6 måneder efter CABG.
|
Efterforskerne vil evaluere kognitiv funktion ved hjælp af NIH Toolbox Cognition Battery (eksekutiv funktion, opmærksomhed og hastighed).
CABG-patienter med thiaminbehandling vil vise en ændring i kognition i forhold til CABG-patienter uden thiaminbehandling.
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6 måneder efter CABG.
|
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Undersøg kognition hos CABG-patienter med thiaminbehandling.
Tidsramme: Baseline og 1 måned efter CABG.
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Efterforskerne vil undersøge kognition ved hjælp af Wide Range Assessment of Memory and Learning 2 (WRAML2).
CABG-patienter med thiaminbehandling vil vise en ændring i kognition i forhold til CABG-patienter uden thiaminbehandling.
|
Baseline og 1 måned efter CABG.
|
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Undersøg langtidseffekter af thiaminbehandlingsintervention på kognition hos CABG-patienter med thiaminbehandling.
Tidsramme: 6 måneder efter CABG.
|
Efterforskerne vil undersøge kognition ved hjælp af Wide Range Assessment of Memory and Learning 2 (WRAML2).
CABG-patienter med thiaminbehandling vil vise en ændring i kognition i forhold til CABG-patienter uden thiaminbehandling.
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6 måneder efter CABG.
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Kognitionsvurdering hos CABG-patienter efter thiaminbehandling.
Tidsramme: Baseline og 1 måned efter CABG.
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Efterforskerne vil vurdere kognition ved hjælp af Montreal Cognitive Assessment (MoCA).
CABG-patienter med thiaminbehandling vil vise en ændring i kognition i forhold til CABG-patienter uden thiaminbehandling.
MoCA er en kort kognitiv vurdering, der administreres til deltageren af investigator.
Scoren spænder fra 0 til 30, hvor højere score indikerer bedre kognitiv funktion.
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Baseline og 1 måned efter CABG.
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Vurdering af langsigtede virkninger af thiaminbehandlingsintervention på kognition hos CABG-patienter efter thiaminbehandling.
Tidsramme: 6 måneder efter CABG.
|
Efterforskerne vil vurdere kognition ved hjælp af Montreal Cognitive Assessment (MoCA).
CABG-patienter med thiaminbehandling vil vise en ændring i kognition i forhold til CABG-patienter uden thiaminbehandling.
MoCA er en kort kognitiv vurdering, der administreres til deltageren af investigator.
Scoren spænder fra 0 til 30, hvor højere score indikerer bedre kognitiv funktion.
|
6 måneder efter CABG.
|
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Langsigtet effekt af thiaminbehandlingsintervention på livskvalitet.
Tidsramme: 6 måneder efter CABG.
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Undersøg den langsigtede livskvalitet hos ældre CHD-individer med og uden thiamininterventionsbehandling målt ved NIH-valideret Short-Form 36 (SF-36) undersøgelse.
SF-36 er en 36 spørgsmålsformular udfyldt af deltageren og scoret af investigator.
Scoren spænder fra 0 til 100, med højere score, der indikerer bedre sundhedstilstand.
|
6 måneder efter CABG.
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Langtidseffekt af thiaminbehandlingsintervention på daglige aktiviteter ved brug af PASE.
Tidsramme: 6 måneder efter CABG.
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Undersøg den langsigtede daglige aktivitetsstatus hos ældre CHD-individer med og uden thiamininterventionsbehandling målt ved NIH-valideret fysisk aktivitetsskala for ældre (PASE).
PASE er et kort selvadministreret spørgeskema, der måler fysisk aktivitet, som genererer en score, der spænder fra 0 til 793, med højere score, der indikerer større fysisk aktivitet.
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6 måneder efter CABG.
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Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Rajesh Kumar, PhD, University of California, Los Angeles
Publikationer og nyttige links
Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.
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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)
10. oktober 2024
Primær færdiggørelse (Anslået)
30. juni 2026
Studieafslutning (Anslået)
30. september 2026
Datoer for studieregistrering
Først indsendt
7. marts 2024
Først indsendt, der opfyldte QC-kriterier
20. marts 2024
Først opslået (Faktiske)
25. marts 2024
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
1. august 2025
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
30. juli 2025
Sidst verificeret
1. juli 2025
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 23-001185
- R21AG081720-01A1 (U.S. NIH-bevilling/kontrakt)
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
JA
IPD-planbeskrivelse
Vi vil gøre alt for at offentliggøre data rettidigt.
Når resultaterne relateret til ændringer i blodlaktat-, thiamin- og inflammatoriske niveauer baseret på blodpatologi og kognitionsvurderingsdata før og efter thiaminintervention på CHD-personer før og efter CABG er blevet offentliggjort eller ved udgangen af præstationsperioden for tildelingen, alt efter hvad der kommer først , vil blodniveauerne, kognitive data, demografi, humør og kliniske data (uden individuelle identifikatorer) blive deponeret i NIH-understøttet domænespecifikt datadelingslager (NIMH Data Archive).
Alle data vil blive mærket med konsekvente unikke identifikatorer, der gør det let at finde i datalageret for interesserede forskningsforskere.
Data vil være tilgængelige for evigt efter deling med datalager til andre efterforskere til sekundære analyser.
IPD-delingstidsramme
Når resultaterne er offentliggjort eller ved udgangen af præmieperioden for tildelingen, alt efter hvad der kommer først.
IPD-delingsadgangskriterier
Enhver forskningsforsker
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Ja
Studerer et amerikansk FDA-reguleret enhedsprodukt
Ingen
produkt fremstillet i og eksporteret fra U.S.A.
Ingen
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 .
Kliniske forsøg med Koronar hjertesygdom
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IRCCS Policlinico S. DonatoRekrutteringAnomalous aorta origin of the coronary artery (AAOCA)Italien
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Fondation Hôpital Saint-JosephRekruttering
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Region SkaneTilmelding efter invitationHjertesvigt New York Heart Association (NYHA) klasse II | Hjertesvigt New York Heart Association (NYHA) klasse IIISverige
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Medical University of BialystokMedical University of Lodz; Poznan University of Medical Sciences; Nicolaus... og andre samarbejdspartnereAfsluttetHjertesvigt, systolisk | Hjertesvigt med reduceret udstødningsfraktion | Hjertesvigt New York Heart Association Klasse IV | Hjertesvigt New York Heart Association Klasse IIIPolen
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Portuguese Association of Interventional CardiologyMedtronicRekrutteringSvær Symptomatisk Aortastenose (Defineret som New York Heart Association (NYHA) klasse ≥ II)Portugal
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University of WashingtonAmerican Heart AssociationAfsluttetHjertesvigt, Kongestiv | Mitokondriel ændring | Hjertesvigt New York Heart Association Klasse IVForenede Stater
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Novartis PharmaceuticalsAfsluttetPatienter, der med succes afslutter den 12-måneders behandlingsperiode i kernestudiet (de Novo Heart-modtagere), som var interesserede i at blive behandlet med EC-MPS
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University Hospital, GasthuisbergUkendtTransient Left Ventricular Ballooning SyndromeBelgien
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NYU Langone HealthRekrutteringTako-tsubo kardiomyopati | Takotsubo kardiomyopati | Broken Heart SyndromeForenede Stater
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French Cardiology SocietyAfsluttet
Kliniske forsøg med Thiamin
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Mahidol UniversityAfsluttet
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University Medicine GreifswaldTilmelding efter invitation
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Meir Medical CenterAfsluttet
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University of British ColumbiaCanadian Institutes of Health Research (CIHR); Helen Keller International; Grand Challenges Canada og andre samarbejdspartnereAfsluttet
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Sarah SaxenaCHU de CharleroiAfsluttetBlodstigning i laktat | ThiaminmangelBelgien
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Mashhad University of Medical SciencesAfsluttetKronisk hjertesvigtIran, Islamisk Republik
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University of California, DavisLao Tropical and Public Health InstituteAfsluttetThiaminmangelLaos Demokratiske Folkerepublik
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University of SaskatchewanUkendt
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Spectrum Health - LakelandAfsluttet
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Mount Saint Vincent UniversityUniversity of Oregon; Bill and Melinda Gates Foundation; Helen Keller International og andre samarbejdspartnereAfsluttet