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Drug Abuse, MedicationPhase 1NCT02094599

A Study of the Abuse Potential of Dronabinol in Recreational Cannabinoid Users

A Phase 1 study testing Dronabinol 10 mg and Dronabinol 30 mg in people with Drug Abuse, Medication, run by INSYS Therapeutics Inc at 1 site in Canada.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The primary objective of this study is to evaluate the abuse potential of dronabinol oral solution in recreational cannabinoid users. Read more about this study

Who is it for?
Ages 18 to 55 yearsHealthy volunteers can take part
Conditions the study is for
Drug Abuse, Medication
What is being tested?
Dronabinol 10 mg and Dronabinol 30 mg
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
43 participants
Where
1 siteCanada
Study dates
Feb 2014to May 2014
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 55 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Healthy adult protocol-defined recreational cannabinoid user
  • Meets protocol-specified criteria for qualification and contraception
  • Able to speak, read and understand English well enough to understand the nature of the study, provide written informed consent, and to allow completion of all study assessments
  • Provides written informed consent prior to any protocol-specific procedures, and agrees to abide by all protocol-specified requirements and restrictions

Who cannot join

  • Dependence on any substance other than nicotine or caffeine beyond protocol-specified limits
  • Signs, symptoms or history of any condition that, per protocol or in the opinion of the investigator, might compromise: 1) the safety or well-being of the participant or study staff, 2) the safety or well-being of the participant's offspring (such as through pregnancy or breast-feeding), 3) the analysis of results
  • Unwilling, unable, or unlikely to follow protocol-specified restrictions on food, drink, nicotine or physical activities (such as exercise and driving)
  • An employee of the sponsor or research site personnel directly affiliated with this study or their immediate biological or adopted family member defined as a spouse, parent, child or sibling

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • INC Research Toronto, Inc.

    Toronto, Ontario, M5V 2T3

Other trials in Canada

About this study

Official title: A Single-dose, Double-blind, Double-dummy, Randomized, Placebo- and Active-controlled Crossover Study to Evaluate the Abuse Potential of Dronabinol Oral Solution in Recreational Cannabinoid Users

The primary objective of this study is to evaluate the abuse potential of dronabinol oral solution in recreational cannabinoid users.

Read the detailed description

Following a four-day period for screening and qualification, there are five treatment visits with a minimum 8-day washout between treatments. Each participant will receive all treatments in a 5-way crossover design.

Being tested
Dronabinol 10 mg, Dronabinol 30 mg, Placebo
Medical subject headings
Substance-Related Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Dronabinol 10 mgDrug

    Dronabinol at a strength equivalent to 10 mg provided in capsules or as an oral solution in syringes.

  • Dronabinol 30 mgDrug

    Dronabinol at a strength equivalent to 30 mg provided in capsules or as an oral solution in syringes.

  • PlaceboDrug

    Matching placebo provided in capsules or as an oral solution in syringes.

Study groups in NCT02094599
Study groupRoleWhat they receive
All Enrolled ParticipantsExperimentalEach participant receives all treatments (of placebo, dronabinol 10 mg and dronabinol 30 mg) in a 5-way crossover design. At each treatment visit, participants receive a single dose, contained in two syringes of oral solution and three capsules. When dronabinol is in syringes, placebo is in capsules, and when dronabinol is in capsules, placebo is in syringes. When assigned to take placebo only, placebo is in both the syringes and the capsules.
Receives: Drug: Dronabinol 10 mg; Drug: Dronabinol 30 mg; Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Peak score (Emax) on Drug Liking calculated from a 100-point visual analogue scale (VAS), where 0=strong disliking and 100=strong liking

    Measured: within 24 hours post-dose

Secondary outcomes (11)
  1. Peak score (Emax) for Drug Effects, calculated from scores on a VAS scale of 0-100, where 0=not at all and 100=extremely

    Categorical measures = Good drug effects, High, Stoned, Bad effects, Any effects

    Measured: within 24 hours post-dose

  2. Peak score (Emax) for a shortened Addiction Research Center Inventory (ARCI) scale of 0-49, where 49 is the highest possible score

    Categorical measures = Euphoria, Dysphoria, Sedation, Marijuana

    Measured: within 24 hours post-dose

  3. Peak score (Emax) for Subjective Drug Value (SDV) in dollars

    Measured: within 24 hours post-dose

  4. Time-averaged Area under the Effect Curve (TA_AUC) for Drug Effects, calculated from scores on a VAS scale of 0-100, where 0=not at all and 100=extremely

    Categorical measures = Good drug effects, High, Stoned, Bad effects, Any effects

    Measured: within 24 hours post-dose

  5. Overall Drug Liking (Emax/Emin) calculated from a 100-point visual analogue scale (VAS), where 0=strong disliking and 100=strong liking

    Measured: within 24 hours post-dose

  6. Time-averaged Area under the Effect Curve (TA_AUC) for Drug Liking calculated from a 100-point visual analogue scale (VAS), where 0=strong disliking and 100=strong liking

    Measured: within 24 hours post-dose

  7. Time-averaged Area under the Effect Curve (TA_AUC) for a shortened Addiction Research Center Inventory (ARCI) scale of 0-49, where 49 is the highest possible score

    Categorical measures = Euphoria, Dysphoria, Sedation, Marijuana

    Measured: within 24 hours post-dose

  8. Trough Score (Emin) for Drug Liking calculated from a 100-point visual analogue scale (VAS), where 0=strong disliking and 100=strong liking

    Measured: within 24 hours post-dose

  9. Peak score (Emax) for Take Drug Again, calculated from scores on a VAS scale of 0-100, where 0=definitely not and 100=definitely so

    Measured: within 24 hours post-dose

  10. Peak score (Emax) for Alertness/Drowsiness, calculated from scores on a VAS scale of 0-100, where 0=very drowsy and 100=very alert

    Measured: within 24 hours post-dose

  11. Time-averaged Area under the Effect Curve (TA_AUC) for Alertness/Drowsiness, calculated from a 100-point visual analogue scale (VAS), where 0=very drowsy and 100=very alert

    Measured: within 24 hours post-dose

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Mar 2014 (estimated)
  2. Study startFeb 2014
  3. Primary completionMay 2014
  4. Study completionMay 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Allocation
Not applicable
Intervention model
Single group
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
43 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02094599
Sponsor's protocol ID
INS-13-017
Status last verified
May 2014
First submitted
14 Mar 2014
Last updated
13 May 2014
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Dronabinol 10 mg and Dronabinol 30 mg in people with Drug Abuse, Medication, run by INSYS Therapeutics Inc at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 13 May 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Peak score (Emax) on Drug Liking calculated from a 100-point visual analogue scale (VAS), where 0=strong disliking and 100=strong liking (time frame: within 24 hours post-dose). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 13 May 2014.

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