Acute Changes In Thermal Pain Response Following Single Oral Dose of Beta-Cary (BCP-Pain)

October 26, 2021 updated by: Godfrey Pearlson, Hartford Hospital
Beta-Caryophyllene is an essential oil and cannabis plant derivative also found in edible herbs. It has shown promise as a potential analgesic in preclinical trials. However, there are no human studies characterizing pharmacokinetics of BCP in humans. Therefore, it is of great importance to determine the pharmacokinetics of BCP in humans so that appropriate dosing can be developed for analgesia. This pharmacokinetic work will lay the groundwork for subsequent experiments testing the neural mechanism of BCP on pain.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Withdrawn

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Chronic pain conditions are among the most common reasons adults seek medical care. Given the abuse potential for opioid analgesics, a substantial number of individuals with chronic pain have turned to alternatives such as medical marijuana. There is increasing evidence that medical marijuana has potential benefits for pain related conditions, but it also carries unwanted side effects such as impaired cognition and motor skills that may linger long after use, social stigma, and a moderate potential for abuse. Much of the marijuana/pain research is predicated on the assumption that its potential analgesic effects are due to its primary psychoactive ingredient - delta-9-tetrahydrocannabinol (THC). However, marijuana also contains dozens of phytochemicals, including cannabinoids and terpenes. Accordingly, there is interest in characterizing potential pain-relieving effects of these non-intoxicating constituents of marijuana. Thus far, it is unclear which components may be most relevant for influencing pain, or the mechanisms by which they exert their effects. Betacaryophyllene (BCP) may be a possible candidate because it is isolatable, has shown evidence as a potential analgesic in preclinical research, is known to be safe for human administration, and there is a strong premise for believing it interacts with the neurobiological systems in the brain that process pain.

This project was conceptualized to advance our mechanistic understanding of the analgesic potential of BCP in humans. The study will be a randomized, placebo-controlled, double-blind study of the pharmacokinetic mechanisms of BCP, including dosing and duration of action, and its potential analgesic effect on thermal pain induction following single-oral dosage. Ten healthy participants will be screened and on each of four subsequent visits will be dosed with either 5 mg, 30 mg, 150 mg of BCP or placebo. Participants' sensitivity to thermal pain induction will be measured before and after administration of the drug using a self survey of pain level. Successful completion of the project may elucidate the potential analgesic effects of ingesting beta-caryophyllene in humans, which can lead to new forms of treatment for pain.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Connecticut
      • Hartford, Connecticut, United States, 06106
        • Hartford Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 50 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Males and females of all races and ethnicities.
  • 18/50 yrs old.
  • Medically healthy (as determined by medical history and treatment).
  • No current substance abuse disorder
  • Adequate comprehension of English in order to complete study materials.
  • Able and willing to provide written informed consent, and willing to commit to the study protocol.

Exclusion Criteria:

  • Estimated premorbid intellectual disability <80 (WRAT-4)
  • Neurological or medical disorder that may affect brain function.
  • Comorbid DSM-V diagnosis of alcohol or substance abuse in prior 1 month or substance dependence in prior 3 months
  • Vulnerable populations (e.g. pregnant, nursing, incarcerated); unwillingness to use reliable means of contraception.
  • High risk for suicide defined as > 1 attempt in past 12 months that required medical attention, any attempt in the past 3 months or current suicidal ideation with plan and intent such that outpatient care is precluded.
  • Current homicidal ideation with plan and intent such that outpatient care is precluded.
  • Positive result on urine toxicology test for any substance, including CBD
  • Any current acute or chronic pain condition
  • Current use of any pain prescribed ROTC medications including opioids, NSAIDs, acetaminophen etc.
  • Initial detection of abnormal liver function tests or CBC (see below)
  • Initial detection of significant EKG abnormality

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Low Dose BCP
Subjects will receive low dose of BCP.
Drug: Low Dose Beta-Caryophyllene
5 mg BCP
Other Names:
  • Food grade BCP
Experimental: Medium Dose BCP
Subjects will receive a medium dose of BCP
Drug: Medium Dose Beta-Caryophyllene
30 mg BCP
Other Names:
  • Food grade BCP
Experimental: High Dose BCP
Subjects will receive high dose of BCP.
Drug: High Dose Beta-Caryophyllene
150 mg BCP
Experimental: Placebo
Subjects will receive placebo drug.
Drug: Placebo
Placebo drug.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Changes in self-rating for pain following ingestion of BCP.
Time Frame: Once immediately prior to drug administration; post drug administration at 1 and 2 hours.
Participants will rate sensitivity to thermal pain induction using a visual analog scale post administration of BCP. The scale is titled "Thermal Pain Visual Analog Scale" and has values from 0 to 10 with 0 being the least painful and 10 being the most painful.
Once immediately prior to drug administration; post drug administration at 1 and 2 hours.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Hartford Hospital

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Godfrey Pearlson, MD, Founding Director Olin Research Center; Yale University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Anticipated)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 1, 2021

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
April 1, 2022

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
April 1, 2022

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
March 3, 2021

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 9, 2021

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
March 11, 2021

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
November 2, 2021

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 26, 2021

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
October 1, 2021

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • HHC-2020-0365

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Undecided

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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