- ICH GCP
- Registro de ensaios clínicos dos EUA
- Ensaio Clínico NCT06115603
Os efeitos do canabigerol no transtorno de déficit de atenção/hiperatividade (CBG)
CBG e atenção: um ensaio duplo-cego, randomizado, controlado por placebo e cruzado que examina os efeitos do canabigerol nos sintomas do transtorno de déficit de atenção/hiperatividade e resultados relacionados
The goal of this clinical trial is to evaluate the effects of Cannabigerol (CBG) on indicators of Attention-Deficit/Hyperactivity Disorder (ADHD) in a sample of participants indicating/reporting symptoms associated with ADHD. The main question it aims to answer is: Does CBG reduce ADHD-related indicators relative to placebo? Participants will administer an acute dose of placebo or 80mg CBG and complete outcome measures at 45 minutes (PANAS only) and 75 minutes. Daily surveys to monitor safety will be administered for one week following administration.
Visão geral do estudo
Status
Intervenção / Tratamento
Tipo de estudo
Inscrição (Real)
Estágio
- Fase 2
Contactos e Locais
Locais de estudo
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Arkansas
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Fayetteville, Arkansas, Estados Unidos, 72703
- University of Arkansas
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-
Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
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Between 18 and 55-years-old.
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BMI between 18 and 35 kg/m2.
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Score a 2 or above on the Adult ADHD Self-Report Scale (ASRS) Symptom Checklist Part A or have an official ADHD diagnosis.
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Meet diagnostic criteria for ADHD with a current severity rating of at least mild as defined by the DIAMOND.
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Are not pregnant or currently breastfeeding.
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Have no history of significant allergic condition, hypersensitivity, or allergic reactions to cannabis, cannabinoid medications, hemp products, medium chain triglyceride oil, or peppermint.
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Have not used CBG or any other cannabinoid products in the past 30 days.
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Willing to abstain from using cannabis or any THC-containing product for the duration of the study.
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Have never used a synthetic cannabinoid or cannabinoid analogue (e.g., dronabinol, nabilone), or a synthetic cannabinoid receptor agonist (e.g., spice, k2).
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Have not been exposed to any investigational drug or device 30 days prior to screening and you have no plans to take an investigational drug during the study.
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Willing to maintain a stable treatment regimen (i.e., no change in current medication use) for the duration of the study.
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Not currently taking a prescription medication for ADHD and have not been prescribed a medication for ADHD in the past six months.
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Not currently having thoughts of committing suicide
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Does not meet criteria for current severe major depressive disorder or a substance use disorder.
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Have not been diagnosed with bipolar disorder or psychosis.
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Do not have an acute illness, such as a respiratory infection or other illness that would interfere with study participation; not currently taking medication for an acute illness (e.g., antibiotic).
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Do not have history of diagnosis related to liver function and/or significantly impaired liver function (e.g., cirrhosis of the liver, hepatitis).
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Willing to ensure they have used effective contraception (for example, oral contraception, double barrier, intra-uterine device) for 30 prior to the study and for 30 days after study completion.
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Have access to a ride to the University of Arkansas campus for research appointments.
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Willing to comply with current university mandates as they pertain to COVID-19 protocols (e.g., mask wearing).
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Do not have any serious or unstable physical health conditions including neurological or renal illness.
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Do not have any current or historical cardiovascular conditions, including hypotension, bradycardia, or heart block.
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No atrial fibrillation, bradycardia, or tachycardia detected via mobile electrocardiogram during the in-laboratory visit.
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No recent illicit drug use other than cannabis, or alcohol use in the 12 hours preceding the in-laboratory visit.
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Not currently prescribed or taking the following medications:
- Warfarin
- Clobazam
- Valproic acid
- Phenobarbital
- Mechanistic Target of Rapamycin [mTOR] Inhibitors
- Oral tacrolimus
- St. John's wort
- Epidiolex
- Escitalopram
- Cardiovascular medications
- Strong CYP3A4 inhibitors (e.g., ketoconazole)
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Triplo
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
|
Comparador Ativo: Cannabigerol
1mL of 80mg of Cannabigerol. Cannabigerol is a safe, legal, non-high-inducing cannabinoid obtained from the cannabis plant. |
1 mL of 80mg Cannabigerol once during experimental session |
|
Comparador de Placebo: Placebo
1mL of Placebo. Placebo is made in the form of MCT oil. |
1 mL of placebo once during experimental session |
O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
Sustained Attention to Response Task
Prazo: 75 minutes post CBG/placebo administration
|
A computerized task that measures response inhibition. |
75 minutes post CBG/placebo administration
|
|
Digit Symbol Substitution Test (DSST)
Prazo: 75 minutes post CBG/placebo administration
|
A paper-and-pencil task that measures attention/processing speed. |
75 minutes post CBG/placebo administration
|
|
Rey Auditory Verbal Learning Test (AVLT)
Prazo: 75 minutes post CBG/placebo administration
|
A paper-and-pencil/verbal test that measures verbal memory. |
75 minutes post CBG/placebo administration
|
|
Iowa Gambling Task (IGT)
Prazo: 75 minutes post CBG/placebo administration
|
A computerized task that measures decision making (an indicator of impulsivity/hyperactivity). |
75 minutes post CBG/placebo administration
|
|
Trail Making Test-Parts A and B (TMT-A&B)
Prazo: 75 minutes post CBG/placebo administration
|
A paper-and-pencil task that measures attention, psychomotor speed, and cognitive flexibility. |
75 minutes post CBG/placebo administration
|
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
Positive and Negative Affect Scale-Expanded Version
Prazo: Baseline, 45 minutes post CBG/placebo administration, 75 minutes post CBG/placebo administration
|
Self-report measure of positive and negative affect. Scores range from 30-150 on each of the two types of affects, with higher scores representing greater affect. |
Baseline, 45 minutes post CBG/placebo administration, 75 minutes post CBG/placebo administration
|
|
Karolinska Sleepiness Scale
Prazo: Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
Self-report measure of subjective level of sleepiness at a particular time during the day. Scores range from 1-10, with higher scores representing greater sleepiness. |
Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
|
Brief Irritability Test
Prazo: Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
Self-report measure of irritability. Scores range from 5-30, with higher scores representing greater irritability. |
Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
|
Numeric Rating Scale (pain)
Prazo: Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
Self-report measure of subjective level of pain. Scores range from 0-10, with higher scores representing greater pain. |
Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
|
State-Trait Anxiety Inventory (State Version)
Prazo: Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
Self-report measure of state anxiety. Scores range from 20 to 80 with higher scores indicating greater anxiety. |
Pre CBG/placebo administration, 75 minutes post CBG/placebo administration
|
|
Visual Analog Scales
Prazo: 75 minutes post CBG/placebo administration
|
Self-report of state-like states (e.g., anxiety, hunger). This scale ranges from 0 to 100 with higher scores indicating higher levels of the indication. |
75 minutes post CBG/placebo administration
|
|
Global Impression of Change
Prazo: 75 minutes post CBG/placebo administration
|
Self-report measure of perceived change in ADHD symptoms. This scale ranges from 1 to 7 with higher scores indicating greater improvements. |
75 minutes post CBG/placebo administration
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Ellen W Leen-Feldner, PhD, University of Arkansas
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Conclusão Primária (Real)
Conclusão do estudo (Real)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- 2309494774
Plano para dados de participantes individuais (IPD)
Planeja compartilhar dados de participantes individuais (IPD)?
Descrição do plano IPD
De-identified, individual participant data (including data dictionaries) that underlie results reported in each published report will be shared (text, tables, figures, appendices)
Prazo de Compartilhamento de IPD
Beginning 9months and ending 36 months following publication
Critérios de acesso de compartilhamento IPD
Researchers who provide a methodologically sound proposal. Inquiries should be directed to eleenfe@uark.edu; Requestors will need to sign a data agreement to gain access
Tipo de informação de suporte de compartilhamento de IPD
- PROTOCOLO DE ESTUDO
- SEIVA
- CIF
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