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Baclofen Withdrawal Syndrome | Oral and IV Baclofen in Adult Volunteers

Baclofen Withdrawal Syndrome research study

What is the primary objective of this study?

The primary objective of this study is to characterize baclofen pharmacokinetics following oral and intravenous administration in patients who are on chronic oral baclofen therapy. The secondary objective is to determine the safety profile of an IV baclofen formulation. This study is a randomized crossover study with two treatment arms. All subjects will receive a dose of oral baclofen and a dose of IV baclofen on separate study days. Whether the oral or intravenous form is given on the first study day will be randomized in a 1:1 manner. The pharmacokinetic and tolerability information gained from this study will support the development of further studies to assess the use of IV baclofen to prevent or treat baclofen withdrawal syndrome.

Who is eligible to participate?

Inclusion Criteria: Subjects will be eligible to participate in the study if all of the following conditions exist: 1. Males and females between the ages of 18-65. 2. Subjects are capable of giving informed consent. 3. Female subjects must be post-menopausal for at least 1 year, or surgically incapable of bearing children, or practicing at least one or more of the following methods of contraception for three months prior to, and during the study: hormonal, intrauterine device (IUD), or barrier method in combination with a spermicide. 4. Subject should be medication free, other than study drug, for 48 hours before through 24 hours after study drug administration. If the need for medication is identified during this time period, it will be discussed with and approved by the PI. Exclusion Criteria: Subjects will be excluded from participation in the study if any of the following conditions exist: 1. Women who are pregnant. 2. Women who are breast feeding. 3. Subject has a history of intolerance to IV administration of medication. 4. Subject has a known hypersensitivity to baclofen. 5. Subject has a significant history of cardiac, neurologic, psychiatric, oncologic, endocrine, metabolic, renal or hepatic disease 6. Subject has taken or used any investigational drug or device in the 30 days prior to screening. 7. Subject has taken either prescribed or over the counter medication for 48 hours prior to baclofen administration on either of the study days. 8. Subject reveals clinically significant abnormalities on screening laboratory tests. 9. Subject is a non-English speaker, such that ability to ascertain neurological status would require an interpreter.

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Baclofen Withdrawal Syndrome

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Drug:Oral baclofenEach subject will receive one dose of oral baclofen and one dose of intravenous baclofen on different study days.

Drug:Intervenous baclofen

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Oral Baclofen

Intervenous baclofenCrossover study that eacg subject is given both oral and intervenous baclofen

Study Status

Completed

Start Date: January 2013

Completed Date: January 2014

Phase: Phase 1

Type: Interventional

Design:

Primary Outcome: oral bioavailability

Secondary Outcome: assessment of sedation

Study sponsors, principal investigator, and references

Principal Investigator:

Lead Sponsor: University of Minnesota - Clinical and Translational Science Institute

Collaborator: Paralyzed Veterans of America Research Foundation

More information:https://clinicaltrials.gov/show/NCT01749319

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