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Opioid-Related DisordersPhase 1/2NCT00301210

Assessment of Tramadol as a Treatment for Opioid Addiction

A Phase 1/2 study testing Tramadol in people with Opioid-Related Disorders, run by Johns Hopkins 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

Opioids are one of the most commonly abused drugs among individuals who seek treatment for drug abuse. Thus, it is necessary to develop new treatments for opioid addiction. The purpose of this trial is determine whether tramadol is effective in treating opioid dependent individuals. Read more about this study

Who is it for?
Ages 21 to 55 years
Conditions the study is for
Opioid-Related Disorders
What is being tested?
Tramadol
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
9 participants
Where
1 siteUnited States
Study dates
Jan 2006to Nov 2007
Phase
Phase 1/2
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 55 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Currently opioid dependent

Who cannot join

  • Significant medical illness (e.g., diabetes mellitus)
  • History of seizure
  • Current sedative or alcohol dependence
  • Pregnant or breastfeeding

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Behavioral Pharmacology Research Unit

    Baltimore, Maryland, 21224

Other trials in United States

About this study

Official title: Assessment of the Level of Physical Dependence and Blockade Efficacy Produced by Tramadol

Opioids are one of the most commonly abused drugs among individuals who seek treatment for drug abuse. Thus, it is necessary to develop new treatments for opioid addiction. The purpose of this trial is determine whether tramadol is effective in treating opioid dependent individuals.

Read the detailed description

This human laboratory study will test the effects of tramadol as a step in its development as a new treatment for opioid dependence. Tramadol is a moderate mu agonist opioid that may produce low levels of opioid physical dependence. Tramadol's capacity for producing physical dependence has not been systematically studied in humans. It is important to quantify tramadol, as it provides a measure of its opioid agonist effects. This would also be informative in regards to the abuse liability of tramadol when used as an analgesic (as currently marketed), or when used in the treatment of opioid addiction (as proposed in this study). The purpose of this trial is to evaluate the level of physical dependence as well as blockade efficacy produced by chronic maintenance on oral tramadol in opioid dependent individuals.

Participants will be randomly assigned to receive different doses of tramadol or placebo for up to six weeks. Experimental sessions will take place up to three times per week during the treatment period. During challenge sessions, participants will receive an injection; four different kinds of effects may occur in a session following this injection. First, no effect may occur (a placebo). Second, an opioid agonist effect may occur (opioid agonists include heroin, morphine, hydromorphone, tramadol, and methadone), which may cause the participant to feel "high." Third, an opioid antagonist effect may occur (e.g., naloxone, naltrexone), which may cause the participant to feel a sense of opioid withdrawal.

Being tested
Tramadol
Medical subject headings
Opioid-Related Disorders

What participants receive

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

  • TramadolDrug

    Also called Ultram

    oral doses four times per day

Study groups in NCT00301210
Study groupRoleWhat they receive
1Experimentaltramadol dose 1
Receives: Drug: Tramadol
2Experimentaltramadol dose 2
Receives: Drug: Tramadol

What is being measured

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

  1. Self-reported effects

    Measured: up to 4 hours for acute effects

  2. physiologic measures

    Measured: up to 4 hours for acute effects

  3. observer ratings of effects

    Measured: up to 4 hours for acute effects

  4. cognitive/performance measures

    Measured: up to 4 hours for acute effects

Timeline

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

  1. First posted10 Mar 2006 (estimated)
  2. Study startJan 2006
  3. Primary completionOct 2007
  4. Study completionNov 2007

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 1/2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Triple blind
Who is masked
Participant, Care provider, Outcomes assessor
Enrolment
9 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00301210
Sponsor's protocol ID
NIDA-18125-2
Other IDs
R01DA018125-02, DPMC
Status last verified
Apr 2015
First submitted
9 Mar 2006
Last updated
17 Apr 2015
Results posted
No
Data monitoring committee
No

Publications

  • Lanier RK, Lofwall MR, Mintzer MZ, Bigelow GE, Strain EC. Physical dependence potential of daily tramadol dosing in humans. Psychopharmacology (Berl). 2010 Sep;211(4):457-66. doi: 10.1007/s00213-010-1919-3. Epub 2010 Jun 30.

    PubMed 20589494

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Tramadol in people with Opioid-Related Disorders, run by Johns Hopkins 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 1 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 17 Apr 2015. 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.

What does this combined 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.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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?

Self-reported effects (time frame: up to 4 hours for acute effects). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00301210, 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 17 Apr 2015.

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