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Marijuana AbuseNCT00218478

Evaluating Responses to Drug-Related Cues Versus Neutral Cues to Understand the Effects of Marijuana Craving - 1

An observational study of Marijuana Abuse, run by Wayne State University at 1 site in United States.

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 majority of past research on marijuana treatment has specifically targeted the alleviation of withdrawal symptoms. Minimal focus has been placed on how altering craving effects may play a role in treating marijuana addiction. Read more about this study

Who is it for?
Ages 21 to 45 yearsHealthy volunteers can take part
Conditions the study is for
Marijuana Abuse
What is being tested?
Cue Desensitization
How many people
15 participants
Where
1 siteUnited States
Study dates
Sep 2004to Jul 2008
Phase
Observational
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 21 to 45 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Study population: Marijuana dependent volunteers

Who may be able to join

  • Meets DSM-IV diagnosis criteria for marijuana dependence. Participants enrolled in the control group should not meet DSM-IV diagnosis criteria for any Axis I disorder, and should not use marijuana or have had limited marijuana exposure.
  • Reads and writes English
  • If female, willing to use adequate contraception throughout the study

Who cannot join

  • Meets DSM-IV diagnosis criteria for a psychiatric illness
  • History of a psychotic disorder
  • Seeking treatment for marijuana dependence
  • Neurologic disease, including structural brain abnormalities (e.g., neoplasms), stroke, seizures, infectious disease, head trauma resulting in unconsciousness, or evidence of neurologic illness resulting from HIV/AIDS
  • Cardiovascular disease, including edema, chest pain or palpitations after exertion or drug use, myocardial infarction (heart attack), systolic blood pressure greater than 160 mmHg or less than 95 mmHg, or diastolic blood pressure greater than 95 mmHg
  • Pulmonary disease, including apnea, cor pulmonale, tuberculosis, dyspnea, orthopnea, or tachypnea
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  • Systemic disease, including endocrinopathies, kidney or liver failure, hypothyroidism, adrenocortical insufficiency, or an autoimmune disease involving the central nervous system
  • Currently dependent on any drug other than marijuana or nicotine
  • Cognitively impaired
  • Pregnant or breastfeeding

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Wayne State University

    Detroit, Michigan, 48207

Other trials in United States

About this study

Official title: Cue Reactivity Model for Assessing Pharmacologic Intervention in Treatment of Cannabis Use Disorders (Study 1)

The majority of past research on marijuana treatment has specifically targeted the alleviation of withdrawal symptoms. Minimal focus has been placed on how altering craving effects may play a role in treating marijuana addiction. The purpose of this study is to compare the effects of marijuana-related cues versus non marijuana-related cues in individuals both addicted and not addicted to marijuana. In turn, this may help establish a better understanding of the effects of marijuana cravings and may lead to improved treatments for marijuana dependence.

Read the detailed description

Marijuana is the most commonly used illegal drug in the United States; more than 2 million Americans either abuse or are dependent on the drug. The development of a medication to reduce marijuana use and prevent drug relapse by lessening withdrawal symptoms has been a primary focus of research. However, there has been little emphasis on evaluating the efficacy of a treatment that specifically reduces marijuana cravings. This study will evaluate the subjective and physiological responses to marijuana-related cues versus non marijuana-related cues in order to better understand the effects of marijuana cravings.

Participants will be divided into two groups. Group 1 will consist of 20 individuals diagnosed with marijuana dependence; Group 2 will consist of individuals matched by age range, gender and race to Group 1, and who are healthy volunteers and do not use marijuana or who report limited marijuana exposure. Participants in Group 1 will spend one night at the Psychiatric and Addiction Research Center at Detroit Receiving Hospital to control for alcohol and drug use for 12 hours preceding the next day's 2-hour study session. Participants in Group 2 are not required to spend the night, but are tested for drugs and alcohol prior to the session. During the study session, both groups will be shown a nature video and will be asked to handle and smell various items; these will act as the neutral, non marijuana-related cues. Next, the participants will watch a video of individuals smoking marijuana and will be asked to handle and smell marijuana-related items; these will act as the marijuana-related cues. Heart rate and skin temperature will be monitored continuously throughout the cue sessions with the use of electrodes and a skin thermometer. Prior to and after the cue sessions, blood pressure will be measured and questionnaires will be administered to assess drug cravings as well as related mood states. Prior to leaving the laboratory, the participants' vital signs will be evaluated to ensure that any cue-related physiological changes have returned to normal. Participants will have the option of talking to a clinician experienced in dealing with drug cravings following the end of the study session.

Conditions
Marijuana Abuse
Being tested
Cue Desensitization
Medical subject headings
Marijuana Abuse

What participants receive

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

  • Cue DesensitizationBehavioural

    During the study session, both groups will be shown a nature video and will be asked to handle and smell various items; these will act as the neutral, non marijuana-related cues. Next, the participants will watch a video of individuals smoking marijuana and will be asked to handle and smell marijuana-related items; these will act as the marijuana-related cues.

Timeline

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

  1. First posted22 Sep 2005 (estimated)
  2. Study startSep 2004
  3. Study completionJul 2008

Resources

More details

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

Study design
Study type
Observational
Observational model
Case only
Time perspective
Prospective
Enrolment
15 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00218478
Sponsor's protocol ID
NIDA-19236-1
Other IDs
R21DA019236-01, DPMCDA
Status last verified
Jun 2012
First submitted
16 Sep 2005
Last updated
5 Jun 2012
Results posted
No

Publications

  • Lundahl LH, Greenwald MK. Magnitude and duration of cue-induced craving for marijuana in volunteers with cannabis use disorder. Drug Alcohol Depend. 2016 Sep 1;166:143-9. doi: 10.1016/j.drugalcdep.2016.07.004. Epub 2016 Jul 18.

    PubMed 27436749

Questions about this trial

What is this clinical trial studying?

An observational study of Marijuana Abuse, run by Wayne State University at 1 site in United States.

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 3 inclusion and 10 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 5 Jun 2012. 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 United States. 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.

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.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00218478, which also lists 1 linked publication.

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 5 Jun 2012.

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