Full-Spectrum Cannabis Extract for Chronic Pain and Bone Health Biomarkers in Women (ORION)
24 de agosto de 2026 atualizado por: Associação Pan-Americana Multidisciplinar de Endocanabinologia
Evaluation of Bone Turnover Biomarkers, CB2 and TRPV1 Polymorphisms as Potential Preventive Data in Osteoporosis and Perception of Improvement in Quality of Life in Women With Chronic Pain Treated With Medicinal Cannabis
Chronic pain disproportionately affects women and may coexist with impaired bone health, particularly during midlife and after menopause.
The endocannabinoid system is involved in pain modulation and bone homeostasis; however, clinical studies that integrate pain outcomes, bone-related biomarkers, genetic variants, and salivary endocannabinoids remain limited.This randomized, triple-masked, placebo-controlled crossover trial will evaluate the effects of a full-spectrum medicinal cannabis extract with a cannabidiol to tetrahydrocannabinol ratio of 5:1 on chronic pain in women aged 45 to 80 years with chronic pain refractory to conventional treatment.
Eighty participants will be randomly assigned to one of two treatment sequences: full-spectrum cannabis extract followed by matching placebo, or matching placebo followed by full-spectrum cannabis extract.
The treatment periods, washout interval, and visit schedule will follow the final approved protocol.The primary outcome is change in chronic pain intensity measured using the Visual Analog Scale.
Secondary outcomes include quality of life, sleep quality, functional impact, bone health biomarkers, bone mineral density measured by dualenergy X-ray absorptiometry, salivary endocannabinoids, the association of CB and TRPV genetic variants with treatment response, and adverse events.
The study aims to generate evidence on the clinical effects and biological correlates of medicinal cannabis therapy in women with chronic pain.
Visão geral do estudo
Status
Ainda não está recrutando
Condições
Intervenção / Tratamento
Descrição detalhada
This is a randomized, triple-masked, placebo-controlled crossover clinical trial conducted in women aged 45 to 80 years with moderate to severe chronic pain that has persisted for at least 3 months and has not responded adequately to conventional pharmacological or non-pharmacological treatments.
Participants will be randomlyallocated in permuted blocks to one of two treatments sequences.
Sequence A will receive a full-spectrum medicinal cannabis extract with a cannabidiol to tetrahydrocannabinol ratio of 5:1 during the first treatment period, followed by a protocol-defined washout interval and matching placebo during the second treatment period.
Sequence B will receive matching placebo during the first treatment period, followed by the washout interval and the full-spectrum medicinal cannabis extract during the second treatment period.
The study product will be administered orally as softgel capsules.
The target daily dose is 25 milligrams of cannabidiol and 5 milligrams of tetrahydrocannabinol. Dose titration during the first 2 weeks of each active treatment period will follow the final approved protocol.Participants, care providers, investigators, and outcome assessors will remain masked to treatment assignment as operationally applicable.
Randomization will use a computer-generated sequence with permuted blocks of 4 and allocation concealment through opaque, sealed envelopes.
The product and matching placebo will be supplied in indistinguishable presentations.Clinical evaluations will include pain intensity, quality of life, functional impact, sleep quality, concomitant medications, adherence, and adverse events.
Laboratory assessments will include safety tests, selected bone metabolism biomarkers, inflammatory markers, and oxidative stress biomarkers.
Bone mineral density and body composition will be assessed using dualenergy X-ray absorptiometry at protocol-defined baseline and final visits.
Genetic analysis will evaluate CB and TRPV variants.
Salivary anandamide, 2-arachidonoylglycerol, palmitoylethanolamide, and oleoylethanolamide will be quantified using liquid chromatography coupled with tandem mass spectrometry according to the final sample collection schedule.The primary efficacy analysis will compare pain outcomes across cannabis and placebo treatment periods while accounting for the crossover design.
Secondary analyses will evaluate changes in patient-reported outcomes and biomarkers, treatment safety, and associations between genetic variants or salivary endocannabinoid profiles and treatment response.
Tipo de estudo
Intervencional
Inscrição (Estimado)
80
Estágio
- Fase 2
Contactos e Locais
Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.
Contato de estudo
- Nome: José Wilson N V Andrade, MD
- Número de telefone: +55 11 971905328
- E-mail: dr.jwilsonandrade@gmail.com
Estude backup de contato
- Nome: Alethéia B P Barbosa, PhD
- Número de telefone: +55 11 97247-1484
- E-mail: abpablos@gmail.com
Locais de estudo
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São Paulo
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São Paulo, São Paulo, Brasil, 09130-040
- Projeto Shalom
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Contato:
- Alethéia B P Barbosa, PhD
- Número de telefone: +55 11 97247-1484
- E-mail: abpablos@gmail.com
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Contato:
- José Wilson N V Andrade, MD
- Número de telefone: + 55 11 971905328
- E-mail: dr.jwilsonandrade@gmail.com
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Critérios de participação
Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.
Critérios de elegibilidade
Idades elegíveis para estudo
- Adulto
- Adulto mais velho
Aceita Voluntários Saudáveis
Não
Descrição
Inclusion Criteria:
- Female sex, age 45 to 80 years
- Moderate to severe chronic pain, defined as a pain score of at least 4 on a 0 to 10 Visual Analog Scale, persisting for more than 3 months
- Documented inadequate response to at least 2 classes of analgesic treatments or non-pharmacological treatments
- Willingness to abstain from smoked cannabis and non-study cannabinoid products during the study
- Ability to understand the informed consent form and study questionnaires
- Willingness and ability to attend scheduled visits and biological sample collections during the study follow-up period
Exclusion Criteria:
- Cognitive impairment that precludes understanding of the informed consent form or study questionnaires
- Uncontrolled psychiatric condition, including uncontrolled psychotic disorder or bipolar disorder
- Pregnancy, breastfeeding, or intention to become pregnant during the study
- Current use of medicinal cannabis, smoked cannabis, or other cannabinoid products
- Known hypersensitivity to cannabinoids or formulation excipients
- Clinically significant hepatic impairment, defined as aspartate aminotransferase or alanine aminotransferase greater than 3 times the upper limit of normal, or severe heart failure classified as New York Heart Association class III or IV
- History of substance use disorder that, in the investigator's judgment, may interfere with study participation
- Use of medications that may interfere with bone metabolism, including bisphosphonates, systemic corticosteroids, or sex hormones, within 6 months before enrollment
Plano de estudo
Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Randomizado
- Modelo Intervencional: Atribuição cruzada
- Mascaramento: Triplo
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
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Experimental: Cannabis Extract Then Placebo
Participants receive oral full-spectrum cannabis extract with a cannabidiol to tetrahydrocannabinol ratio of 5:1 during Treatment Period 1, followed by the protocol-defined washout interval and matching placebo during Treatment Period 2.
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Oral softgel capsule containing full-spectrum medicinal cannabis extract with a cannabidiol to tetrahydrocannabinol ratio of 5:1.
The target daily dose is 25 milligrams of cannabidiol and 5 milligrams of tetrahydrocannabinol. Participants will receive the study product once daily in the evening, with gradual dose titration during the first 2 weeks of each active treatment period, according to the final approved protocol.
The product will be administered for the duration of each protocol-defined active treatment period.
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Comparador de Placebo: Placebo Then Cannabis Extract
Participants receive matching placebo during Treatment Period 1, followed by the protocol-defined washout interval and oral full-spectrum cannabis extract with a cannabidiol to tetrahydrocannabinol ratio of 5:1 during Treatment Period 2.
|
Oral softgel capsule containing full-spectrum medicinal cannabis extract with a cannabidiol to tetrahydrocannabinol ratio of 5:1.
The target daily dose is 25 milligrams of cannabidiol and 5 milligrams of tetrahydrocannabinol. Participants will receive the study product once daily in the evening, with gradual dose titration during the first 2 weeks of each active treatment period, according to the final approved protocol.
The product will be administered for the duration of each protocol-defined active treatment period.
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
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Change From Period Baseline in Chronic Pain Intensity on the Visual Analog Scale
Prazo: At the baseline and end of each treatment period, approximately 6 months per period.
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Chronic pain intensity will be measured using a 0 to 10 Visual Analog Scale, where 0 indicates no pain and 10 indicates the worst imaginable pain.
The baseline score will be the mean pain intensity reported over the preceding 7 days.
A clinical response is defined as a reduction of at least 30 percent from the baseline score of the corresponding treatment period.
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At the baseline and end of each treatment period, approximately 6 months per period.
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Change From Period Baseline in Sleep Quality on the Pittsburgh Sleep Quality Index.
Prazo: At baseline and at 3 and 6 Months each treatment period.
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Sleep quality will be measured using the Pittsburgh Sleep Quality Index (PSQI), a self-reported instrument with a global score from 0 to 21.
Higher scores indicate worse sleep quality.
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At baseline and at 3 and 6 Months each treatment period.
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Change From Period Baseline in Health-Related Quality of Life on the 36-Item Short Form Survey.
Prazo: At baseline and at Months 3 and 6 of each treatment period.
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Health-related quality of life will be assessed using the Medical Outcomes Study 36-Item Short Form Survey (SF-36).
Scores are calculated for 8 domains from 0 to 100; higher scores indicate better health-related quality of life.
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At baseline and at Months 3 and 6 of each treatment period.
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Change From Period Baseline in Pain-Related Quality of Life on the WHOQOL-Pain Instrument.
Prazo: At baseline and at Months 3 and 6 of each treatment period.
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Pain-related quality of life will be assessed using the Portuguese version of the WHOQOL-Pain instrument.
Scoring and interpretation will follow the validated instrument manual.
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At baseline and at Months 3 and 6 of each treatment period.
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Change From Period Baseline in Fibromyalgia Impact Questionnaire Score Among Participants With Fibromyalgia.
Prazo: At baseline and at Months 3 and 6 of each treatment period.
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Functional impact among participants with a clinical diagnosis of fibromyalgia will be assessed using the Fibromyalgia Impact Questionnaire (FIQ).
The scale will be scored according to the validated Portuguese version; higher scores indicate greater disease impact.
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At baseline and at Months 3 and 6 of each treatment period.
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Change From Baseline in Bone Mineral Density Measured by Dual-Energy X-Ray Absorptiometry.
Prazo: At baseline and at the final study visit, approximately 12 months after enrollment.
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Bone mineral density and body composition will be assessed using dual-energy X-ray absorptiometry (DXA).
Bone mineral density will be reported in grams per square centimeter and interpreted using T-scores according to applicable clinical criteria.
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At baseline and at the final study visit, approximately 12 months after enrollment.
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Change From Period Baseline in Serum Bone Turnover Biomarkers.
Prazo: At baseline and at protocol-defined follow-up visits through final study completion, approximately 12 months.
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Serum bone health biomarkers will include the final protocol-specified panel of alkaline phosphatase, total and ionized calcium, 25-hydroxyvitamin D, and parathyroid hormone.
If procollagen type 1 N-terminal propeptide and C-terminal telopeptide are retained in the final protocol, they should be listed here explicitly.
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At baseline and at protocol-defined follow-up visits through final study completion, approximately 12 months.
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Association of CB2 and TRPV1 Genetic Variants With Pain Treatment Response.
Prazo: Genotyping at baseline; association with pain response through the end of each treatment period, approximately 12 months.
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Genotyping of cannabinoid receptor 2 (CB2/CNR2) and transient receptor potential vanilloid 1 (TRPV1) variants will be performed using real-time polymerase chain reaction.
Associations between genotype or haplotype and the prespecified Visual Analog Scale pain response will be evaluated.
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Genotyping at baseline; association with pain response through the end of each treatment period, approximately 12 months.
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Change From Baseline in Salivary Endocannabinoid Concentrations.
Prazo: Use the final collection schedule; do not submit this entry until the protocol is harmonized as baseline-only or serial sampling.
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Salivary concentrations of anandamide, 2-arachidonoylglycerol, palmitoylethanolamide, and oleoylethanolamide will be quantified by liquid chromatography-tandem mass spectrometry and reported in nanograms per milliliter.
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Use the final collection schedule; do not submit this entry until the protocol is harmonized as baseline-only or serial sampling.
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Number of Participants With Treatment-Emergent Adverse Events.
Prazo: From first study product administration through the end of each treatment period, approximately 6 months per period.
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Adverse events will be collected through clinical visits and weekly remote pharmacotherapeutic monitoring.
Events will be classified by severity, seriousness, relatedness to study treatment, and treatment period.
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From first study product administration through the end of each treatment period, approximately 6 months per period.
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Change From Period Baseline in Hepatic and Renal Safety Laboratory Values.
Prazo: At baseline and at protocol-defined follow-up visits through final study completion, approximately 12 months.
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Safety laboratory assessments will include protocol-specified hepatic and renal tests, including aspartate aminotransferase, alanine aminotransferase, urea, and creatinine.
Results will be reported in standard laboratory units.
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At baseline and at protocol-defined follow-up visits through final study completion, approximately 12 months.
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Colaboradores e Investigadores
É aqui que você encontrará pessoas e organizações envolvidas com este estudo.
Colaboradores
Investigadores
- Investigador principal: Alethéia B P Barbosa, PhD, Universidade Presbiteriana Mackenzie
Publicações e links úteis
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Datas de registro do estudo
Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.
Datas Principais do Estudo
Início do estudo (Estimado)
1 de setembro de 2026
Conclusão Primária (Estimado)
1 de setembro de 2027
Conclusão do estudo (Estimado)
1 de dezembro de 2027
Datas de inscrição no estudo
Enviado pela primeira vez
20 de agosto de 2026
Enviado pela primeira vez que atendeu aos critérios de CQ
20 de agosto de 2026
Primeira postagem (Real)
24 de agosto de 2026
Atualizações de registro de estudo
Última Atualização Postada (Real)
26 de agosto de 2026
Última atualização enviada que atendeu aos critérios de controle de qualidade
24 de agosto de 2026
Última verificação
1 de agosto de 2026
Mais Informações
Termos relacionados a este estudo
Palavras-chave
Termos MeSH relevantes adicionais
- Dor
- Manifestações Neurológicas
- Doenças ósseas
- Doenças musculoesqueléticas
- Doenças do Sistema Nervoso
- Doenças Musculares
- Doenças Neuromusculares
- Doenças Reumáticas
- Doenças Metabólicas
- Doenças Ósseas Metabólicas
- Condições Patológicas, Sinais e Sintomas
- Doenças Nutricionais e Metabólicas
- Sinais e sintomas
- Fibromialgia
- Dor crônica
- Osteoporose
- Dor facial
Outros números de identificação do estudo
- UPM-BONE-RELIEF-01
Plano para dados de participantes individuais (IPD)
Planeja compartilhar dados de participantes individuais (IPD)?
NÃO
Informações sobre medicamentos e dispositivos, documentos de estudo
Estuda um medicamento regulamentado pela FDA dos EUA
Não
Estuda um produto de dispositivo regulamentado pela FDA dos EUA
Não
Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .