- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01784016
Concurrent PET D2/D3 Receptor Imaging and fMRI Smoking Cue Reactivity in Smokers
This trial aims to determine whether dopamine D3 receptors are elevated in smokers versus nonsmokers and whether correlations exist between D3 receptor binding potential (BP) and functional MRI (fMRI) reactivity to smoking cues, which has been associated with smoking relapse vulnerability.
Neuroimaging measures of D3 BP and smoking cue fMRI reactivity will be collected concurrently in otherwise healthy nicotine-dependent smokers and age-matched nonsmokers using a 3 Tesla MRI scanner configured to conduct fMRI and Positron Emission Tomography (PET).
We will measure D3 receptor BP using radiolabeled [11C]-(+)-PHNO, which has a relatively higher affinity for D3 versus D2 receptors.
We hypothesize that D3 BP will be elevated in smokers versus nonsmokers and that in smokers, there will be a positive correlation between smoking cue fMRI reactivity and D3 BP.
Studieoversigt
Status
Intervention / Behandling
Undersøgelsestype
Fase
- Fase 1
Kontakter og lokationer
Studiesteder
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Massachusetts
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Belmont, Massachusetts, Forenede Stater, 02478
- McLean Hospital
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Boston, Massachusetts, Forenede Stater, 02114
- Massachusetts General Hospital
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Charlestown, Massachusetts, Forenede Stater, 02129
- Massachusetts General Hospital, Athinoula A. Martinos Center for Biomedical Imaging
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- competent to provide written informed consent
- Smokers: self-report of smoking 15 or more cigarettes/day for the past year, self-report of smoking first cigarette of the day within 30 minutes of awakening, meets DSM-IV criteria for Nicotine Dependence, provides expired breath carbon monoxide reading of > 10 ppm at enrollment
- Nonsmokers: self-report of consuming <100 cigarettes in their lifetime, none in the last 6 months, provides expired breath carbon monoxide reading of < 9 ppm at enrollment
- Women of childbearing potential: negative STAT serum beta-human chorionic gonadotrophin pregnancy test before scanning
Exclusion Criteria:
- pregnant or able to become pregnant and not willing to undergo blood pregnancy test
- unstable medical illness with likely hospitalization for treatment within 6 months
- life-threatening arrhythmia, cerebro-vascular or cardiovascular event within 6 months of enrollment; liver function tests elevated over 2.5x normal; CNS tumor or seizure disorder
- users of other tobacco- or nicotine-containing products (gum, patches, e-cigarettes)
- lifetime history of DSM-IV bulimia, organic mental disorder, brain injury or psychotic disorder
- 6 month history of non-nicotine substance use disorder or major depression
- history of multiple adverse drug reactions
- current use of excluded concomitant medications (smoking cessation medications)
- known history of allergic reaction to the PET ligand [11C]-PHNO, its components, or any medication
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Grundvidenskab
- Tildeling: Ikke-randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
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Eksperimentel: Healthy Smokers
Healthy smokers aged 18-50 years reporting average cigarette consumption of 15 or more cigarettes/day for the past year, providing an expired breath carbon monoxide reading exceeding 10 ppm at screening.
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[11C]-PHNO will be administered once intravenously to conduct Positron Emission Tomography (PET) measurements of dopamine D2/D3 binding potential.
Andre navne:
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Eksperimentel: Healthy Nonsmokers
Healthy nonsmoking controls aged 18-50 reporting consumption of <100 cigarettes in their lifetime, none in the last 6 months, providing an exhaled breath carbon monoxide reading of < 9 ppm at screening.
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[11C]-PHNO will be administered once intravenously to conduct Positron Emission Tomography (PET) measurements of dopamine D2/D3 binding potential.
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Dopamine D3 Receptor Binding Potential Difference Between Smokers and Nonsmokers
Tidsramme: March 2014
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We will determine whether dopamine D3 receptor binding potential, a dimensionless number which represents the relative concentration of dopamine D3 receptors available for binding, is elevated in smokers versus nonsmoking controls.
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March 2014
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Smoking Cue fMRI Reactivity Association with Dopamine D3 Receptor Binding Potential
Tidsramme: March 2014
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In smokers, we will determine whether an association exists between smoking cue fMRI reactivity intensity (beta weight) and dopamine D3 receptor binding potential, a relationship between receptor (D3) density and dopamine occupancy.
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March 2014
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Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Marc J. Kaufman, Ph.D., McLean Hospital
Publikationer og nyttige links
Generelle publikationer
- Wilson AA, McCormick P, Kapur S, Willeit M, Garcia A, Hussey D, Houle S, Seeman P, Ginovart N. Radiosynthesis and evaluation of [11C]-(+)-4-propyl-3,4,4a,5,6,10b-hexahydro-2H-naphtho[1,2-b][1,4]oxazin-9-ol as a potential radiotracer for in vivo imaging of the dopamine D2 high-affinity state with positron emission tomography. J Med Chem. 2005 Jun 16;48(12):4153-60. doi: 10.1021/jm050155n.
- Janes AC, Pizzagalli DA, Richardt S, deB Frederick B, Chuzi S, Pachas G, Culhane MA, Holmes AJ, Fava M, Evins AE, Kaufman MJ. Brain reactivity to smoking cues prior to smoking cessation predicts ability to maintain tobacco abstinence. Biol Psychiatry. 2010 Apr 15;67(8):722-9. doi: 10.1016/j.biopsych.2009.12.034. Epub 2010 Feb 20. Erratum In: Biol Psychiatry. 2010 May 15;67(10):1002.
- Le Foll B, Diaz J, Sokoloff P. Increased dopamine D3 receptor expression accompanying behavioral sensitization to nicotine in rats. Synapse. 2003 Mar;47(3):176-83. doi: 10.1002/syn.10170.
- Searle G, Beaver JD, Comley RA, Bani M, Tziortzi A, Slifstein M, Mugnaini M, Griffante C, Wilson AA, Merlo-Pich E, Houle S, Gunn R, Rabiner EA, Laruelle M. Imaging dopamine D3 receptors in the human brain with positron emission tomography, [11C]PHNO, and a selective D3 receptor antagonist. Biol Psychiatry. 2010 Aug 15;68(4):392-9. doi: 10.1016/j.biopsych.2010.04.038.
- Tziortzi AC, Searle GE, Tzimopoulou S, Salinas C, Beaver JD, Jenkinson M, Laruelle M, Rabiner EA, Gunn RN. Imaging dopamine receptors in humans with [11C]-(+)-PHNO: dissection of D3 signal and anatomy. Neuroimage. 2011 Jan 1;54(1):264-77. doi: 10.1016/j.neuroimage.2010.06.044. Epub 2010 Jun 30.
- Pak AC, Ashby CR Jr, Heidbreder CA, Pilla M, Gilbert J, Xi ZX, Gardner EL. The selective dopamine D3 receptor antagonist SB-277011A reduces nicotine-enhanced brain reward and nicotine-paired environmental cue functions. Int J Neuropsychopharmacol. 2006 Oct;9(5):585-602. doi: 10.1017/S1461145706006560. Epub 2006 Aug 31.
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- SmokingPETD2-3fMRI
- R21DA031925-01A1 (U.S. NIH-bevilling/kontrakt)
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Kliniske forsøg med [11C]-PHNO
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GlaxoSmithKlineAfsluttet
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Centre for Addiction and Mental HealthAfsluttetAlkoholbrugsforstyrrelseCanada
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Yale UniversityUniversity of PennsylvaniaRekrutteringOpioidbrugsforstyrrelseForenede Stater
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Medical University of ViennaUkendtSkizofreni | Psykose | SensibiliseringØstrig
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Columbia UniversityRekrutteringNeurodegenerative sygdomme | Amyotrofisk lateral sklerose | Alzheimers sygdomForenede Stater
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Wendell Yap, MDUniversity of Kansas Medical CenterIkke længere tilgængeligProstatakræftForenede Stater
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Yale UniversityAfsluttetKokainafhængighedForenede Stater
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Columbia UniversityAfsluttet
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Yale UniversityNational Center for Complementary and Integrative Health (NCCIH)RekrutteringOpførsel, sundhedForenede Stater
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Hoffmann-La RocheAfsluttetAlzheimers sygdom, sund frivilligForenede Stater