- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT02223429
Neurobiological Bases of Paternal Nurturance
Biological Bases of Individual Variation in Paternal Nurturance
The overall goal of this project is to identify the genetic, hormonal, and neurobiological influences on paternal nurturing behavior and to determine if fathers' neural responses to infants can be modulated by neuropeptides known to play a role in parenting in experimental animal models.
The aim is to determine if pharmacological manipulation of central oxytocin (OT) and vasopressin (AVP) levels influences the neural response to viewing pictures of one's own infant or to hearing cry stimuli. In a double-blind procedure, fathers with 1-3 year old children will be scanned on two separate occasions; once under the influence of OT/AVP and once under the influence of placebo. Fathers will be randomized to either OT or AVP, and order of administration of drug and placebo will counterbalanced across subjects. Fathers will be scanned while viewing pictures of their own and an unknown child and while listening to unknown infant cry stimuli.
The investigators hypothesize:
- OT will augment the ventral tegmental area (VTA), ventral striatum and medial orbitofrontal cortex (mOFC) response to viewing pictures of one's own child, and will augment the primary auditory cortex (AI) response of fathers to infant cries.
- AVP will augment the lateral septum response to viewing own child pictures.
Přehled studie
Detailní popis
Typ studie
Zápis (Aktuální)
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
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Georgia
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Atlanta, Georgia, Spojené státy, 30307
- Emory University Hospital
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Atlanta, Georgia, Spojené státy, 30322
- Emory University 1462 Clifton Rd
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
Inclusion Criteria:
- above 18
- biological fathers of 1-3 year old infants who are currently cohabitating with the child's mother
- normal or corrected-to-normal vision of 20/40
Exclusion Criteria:
- current or past history of mental illness
- active medical or neurological disorder
- current or past history of alcohol or drug dependence
- claustrophobic (at the discretion of the PI with subject consultation)
- history of seizures or other neurological disorder
- history of hypertension, cardiovascular disease, nephritis, diabetes or other endocrine diseases or malignancy
- ferrous metal in any part of the body
- history of asthma or migraine headaches (can be included at the discretion of the study physician or nurse practitioner if episodes are infrequent and no active problems at time of study, not medicated)
- history of head trauma or psychiatric illness, as well as those who are receiving or have received over the past year, medication with known psychoactive effects (included at the discretion of the PI as these are exclusion criteria due to data quality concerns and not safety concerns; head trauma should be minimal enough deemed by the PI)
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Základní věda
- Přidělení: Randomizované
- Intervenční model: Crossover Assignment
- Maskování: Trojnásobný
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
---|---|
Experimentální: OT + placebo
The OT + placebo group will self-administer no more than 1 ml solution of oxytocin or placebo in each nostril; five (5) sprays per each nostril, for a total of ten (10) sprays.
The order of administration of drug and placebo will counterbalanced across subjects, such that half will receive OT first, and half will receive OT second.
|
1 ml solution in each nostril; five (5) sprays per each nostril, for a total of ten (10) sprays
Ostatní jména:
1 ml solution in each nostril; five (5) sprays per each nostril, for a total of ten (10) sprays
|
Experimentální: AVP + placebo
The AVP + placebo group will self-administer no more than 1 ml solution of vasopressin or placebo in each nostril; five (5) sprays per each nostril, for a total of ten (10) sprays.
The order of administration of drug and placebo will counterbalanced across subjects, such that half will receive AVP first, and half will receive AVP second.
|
1 ml solution in each nostril; five (5) sprays per each nostril, for a total of ten (10) sprays
1 ml solution in each nostril; five (5) sprays per each nostril, for a total of ten (10) sprays
Ostatní jména:
|
Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
---|---|---|
Mean Percent Signal Change in Ventral Tegmental Area (VTA)
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between OT treatment and placebo treatments (OT-PL) from functional magnetic resonance imaging (fMRI).
Changes will be assessed in the OT group only per protocol.
|
Baseline, Visit 2 (Up to 10 days)
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Mean Percent Signal Change in Right Ventral Striatum
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between OT treatment and placebo treatments (OT-PL) from functional magnetic resonance imaging (fMRI).
Changes will be assessed in the OT group only per protocol.
|
Baseline, Visit 2 (Up to 10 days)
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Mean Percent Signal Change in Right Medial Orbitofrontal Cortex
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between OT treatment and placebo treatments (OT-PL) from functional magnetic resonance imaging (fMRI).
Changes will be assessed in the OT group only per protocol.
|
Baseline, Visit 2 (Up to 10 days)
|
Mean Percent Signal Change in Caudate Nucleus
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between OT treatment and placebo treatments (OT-PL) from functional magnetic resonance imaging (fMRI).
|
Baseline, Visit 2 (Up to 10 days)
|
Mean Percent Signal Change in the Visual Cortex
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between OT treatment and placebo treatments (OT-PL) from functional magnetic resonance imaging (fMRI).
|
Baseline, Visit 2 (Up to 10 days)
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Mean Percent Signal Change in the Anterior Cingulate Cortex
Časové okno: Baseline, Visit 2 (Up to 10 days)
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The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between OT treatment and placebo treatments (OT-PL) from functional magnetic resonance imaging (fMRI).
|
Baseline, Visit 2 (Up to 10 days)
|
Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
---|---|---|
Change in Plasma Levels of Vasopressin (AVP)
Časové okno: Baseline, Visit 2 (Up to 10 days)
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Peripheral levels of AVP will be assessed via assay of plasma collected.
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Baseline, Visit 2 (Up to 10 days)
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Change in Plasma Levels of Oxytocin (OT)
Časové okno: Baseline, Visit 2 (Up to 10 days)
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Peripheral levels of OT will be assessed via assay of plasma collected.
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Baseline, Visit 2 (Up to 10 days)
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Difference in Cry Rating Scores Between OT and Placebo
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by analyzing the differences between ratings of infant cries under OT and placebo treatment on a 7-point likert scale.
Sixteen adjectives will be used to describe two different cries.
Participants will rate each cry from 1-7 where one represents "not at all" and 7 represents "extremely".
Difference is defined as OT minus placebo scores.
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Baseline, Visit 2 (Up to 10 days)
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Difference in Cry Rating Scores Between AVP and Placebo
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by analyzing the differences between ratings of infant cries under AVP and placebo treatment on a 7-point likert scale.
Sixteen adjectives will be used to describe two different cries.
Participants will rate each cry from 1-7 where one represents "not at all" and 7 represents "extremely".
Difference is defined as AVP minus placebo scores.
|
Baseline, Visit 2 (Up to 10 days)
|
Mean Percent Signal Change in Primary Auditory Cortex
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between OT treatment and placebo treatments (OT-PL) from functional magnetic resonance imaging (fMRI).
Changes will be assessed in the OT group only per protocol.
|
Baseline, Visit 2 (Up to 10 days)
|
Mean Percent Signal Change in Right Lateral Septum
Časové okno: Baseline, Visit 2 (Up to 10 days)
|
The effect of the drug will be assessed by determining changes in brain activation to own child pictures versus adult pictures (O-A) between AVP treatment and placebo treatments (AVP-PL) from functional magnetic resonance imaging (fMRI).
Changes will be assessed in the AVP group only per protocol.
|
Baseline, Visit 2 (Up to 10 days)
|
Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Vyšetřovatelé
- Vrchní vyšetřovatel: James K Rilling, Ph.D., Emory University
Publikace a užitečné odkazy
Užitečné odkazy
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Odhad)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
Další relevantní podmínky MeSH
Další identifikační čísla studie
- IRB00044782
- R21HD078778 (Grant/smlouva NIH USA)
Informace o lécích a zařízeních, studijní dokumenty
Studuje produkt zařízení regulovaný americkým úřadem FDA
Tyto informace byly beze změn načteny přímo z webu clinicaltrials.gov. Máte-li jakékoli požadavky na změnu, odstranění nebo aktualizaci podrobností studie, kontaktujte prosím register@clinicaltrials.gov. Jakmile bude změna implementována na clinicaltrials.gov, bude automaticky aktualizována i na našem webu .
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