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Methadone Monitoring for Insights Into Adverse Events (MEMORIES)

This study has been completed.
Information provided by (Responsible Party):
Intermountain Health Care, Inc. Identifier:
First received: August 17, 2010
Last updated: April 4, 2012
Last verified: April 2012
Methadone has been an effective and inexpensive therapy in the management of chronic pain and opioid dependence. However it has been associated with sudden, unexpected deaths. Two mechanisms have been suggested, increased drug concentration in the blood, and a change in the heart rhythm. This study will look at blood samples for drug levels and genetic components and EKG's (a noninvasive test which reveals heart rhythm). There will be no intervention.

Opiate Addiction

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Prospective
Official Title: Methadone Monitoring for Insights Into Adverse Events

Resource links provided by NLM:

Further study details as provided by Intermountain Health Care, Inc.:

Primary Outcome Measures:
  • plasma methadone/EDDP ratio [ Time Frame: days 1, 7 following methadone initiation and whenand when stabledosing is achieved at an average of 21 days ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • QT interval prolongation [ Time Frame: at the time of stable dose at an average of 21 days ] [ Designated as safety issue: No ]

Biospecimen Retention:   Samples With DNA
Plasma and DNA

Enrollment: 31
Study Start Date: August 2010
Study Completion Date: May 2011
Primary Completion Date: March 2011 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Genders Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Subjects initiating methadone treatment for opioid addiction who meet elibitility criteria.

Inclusion Criteria:

  • must be 18 years of age or older; eligible for methadone treatment as judged by Discovery House criteria
  • must sign informed consent for methadone treatment prior to being approached for this study
  • must sign a written informed consent for this study
  • is willing and has a means to return for all scheduled follow-up visits

Exclusion Criteria:

  • pregnancy, participation in any other clinical trial involving investigational or marketed products with 30 days prior to entry into this study; current use of an inducer/inhibitor of known enzymes involved with methadone metabolism
  • use of methadone in the 30 days prior to study enrollment; concomitant use of QT prolonging drugs
  • considered by the treatment physician to be ineligible for methadone treatment; hepatic function panel indicates chronic liver disease.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01191242

United States, Utah
Intermountain Medical Center
Murray, Utah, United States, 84107
Discovery House
Taylorsville, Utah, United States, 84123
Sponsors and Collaborators
Intermountain Health Care, Inc.
Principal Investigator: John F Carlquist, PhD Intermountain Health Care, Inc.
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Intermountain Health Care, Inc. Identifier: NCT01191242     History of Changes
Other Study ID Numbers: 154-08 
Study First Received: August 17, 2010
Last Updated: April 4, 2012
Health Authority: United States: Institutional Review Board

Keywords provided by Intermountain Health Care, Inc.:

Additional relevant MeSH terms:
Opioid-Related Disorders
Substance-Related Disorders
Chemically-Induced Disorders
Mental Disorders
Analgesics, Opioid
Central Nervous System Depressants
Physiological Effects of Drugs
Sensory System Agents
Peripheral Nervous System Agents
Antitussive Agents
Respiratory System Agents processed this record on January 14, 2017