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Status:

COMPLETED

Starting Treatment With Agonist Replacement Therapies (START)

Lead Sponsor:

University of California, Los Angeles

Collaborating Sponsors:

National Institute on Drug Abuse (NIDA)

Conditions:

Opiate-related Disorders

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

The Food and Drug Administration (FDA) has requested a study comparing buprenorphine/naloxone (BUP/NX) and methadone (MET) on indices of hepatic safety.

Detailed Description

This is a randomized, open-label, multi-center, Phase 4 study to assess the changes in liver enzymes related to treatment with buprenorphine/naloxone (BUP/NX) and methadone (MET) in participants enter...

Eligibility Criteria

Inclusion

  • Were age 18 years or older,
  • Met DSM-IV-TR criteria for opioid dependence,
  • Were in good general health, or, in case of a medical/psychiatric condition requiring ongoing treatment, were under the care of a physician willing to continue participant's medical management and cooperate with study physicians,
  • For female participants, use of one of the following acceptable methods of birth control:
  • oral contraceptives
  • barrier (diaphragm or condom) with spermicide
  • IUD
  • intrauterine progesterone contraceptive system
  • levonorgestrel implant
  • medroxyprogesterone acetate contraceptive injection
  • contraceptive transdermal patch
  • hormonal vaginal contraceptive ring
  • surgical sterilization
  • complete abstinence from sexual intercourse
  • Able to read and verbalize understanding of the study and voluntarily sign study informed consent form.

Exclusion

  • ALT or AST values \> 5 times the upper limit of normal as per testing laboratory range criteria,
  • ALP values \>3 times the upper limit of normal per testing laboratory criteria,
  • Any documented past or present history of ascites, presence of esophageal or gastric varices, hepatic encephalopathy or other signs of significant liver disease as indicated by a Model for Endstage Liver Disease score (Kamath et al., 2001) of ≥11,
  • Total bilirubin \> 2.0 mg/dl (participants with documented Gilbert's syndrome were not excluded based on this criterion),
  • Prothrombin time more than 3 seconds prolonged,
  • Albumin level less than 2.5 g/dl,
  • Any cardiopathy or risk factor listed below without evidence of a normal ECG\* with report performed within 6 months prior to first study medication dose,
  • Congestive heart failure
  • Left ventricular hypertrophy
  • Bradycardia
  • Hereditary QT prolongation
  • Uncorrected electrolyte imbalance
  • Concomitant medications that are known to have a risk of QT interval prolongation; refer to Appendix D for a list of medications.
  • Note: The list was not all-inclusive.
  • \*An ECG was abnormal if one or more of the following occurred:
  • Significant ST segment abnormalities:
  • ST segment elevations in two or more continuous leads of \> 0.1 mV
  • ST segment depression of greater than 1 mm that are flat or down-sloping at 80 msec after the J point ST segment abnormalities identified as "non-specific" are acceptable. If a potential participant's ECG indicated ST segment elevations or depression consistent with ischemia, the physician obtained a medical history of cardiac symptoms and referred the participant for evaluation.
  • Conduction abnormalities:
  • Mobitz II 2nd degree or 3rd degree heart block
  • Atrial fibrillation, atrial flutter, or any non-sinus tachyarrhythmia
  • Three or more consecutive ectopic ventricular complexes at a rate of \> 100 per minute.
  • QTc greater than 450 msec in men and 480 msec in women
  • Repolarization abnormalities:
  • • Acute medical condition that would make participation, in the opinion of the study physician, medically hazardous (e.g., unstable pancreatic, cardiovascular or renal disease, significant anemia)
  • Known allergy or sensitivity to BUP, naloxone or MET or to any of the inactive ingredients in the study medications (including lactose, mannitol, cornstarch, povidone K30, citric acid, sodium citrate, FD\&C Yellow No.6 color, magnesium stearate, Acesulfame K sweetener)
  • Known diagnosis of acute psychosis, severe depression or imminent suicide risk as determined via clinical interview by study physician or surrogates
  • DSM-IV diagnosis of dependence on alcohol requiring immediate medical attention.
  • DSM-IV diagnosis of dependence on benzodiazepines requiring immediate medical attention
  • DSM-IV diagnosis of dependence on other depressants, or stimulants requiring immediate medical attention
  • Participation in an investigational drug study within the past 30 days
  • Treatment with MET, BUP/NX, or BUP for more than 15 of the past 30 days (illicit use of these medications is allowed)
  • Pending legal action that could prohibit study participation
  • Unable or unwilling to comply with study requirements
  • Unable or unwilling to remain in the local area for duration of treatment
  • Poor venous access such that venipuncture could not be accomplished from a vein in an extremity during eligibility
  • Pregnant or lactating (females only)

Key Trial Info

Start Date :

April 1 2006

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 1 2010

Estimated Enrollment :

1269 Patients enrolled

Trial Details

Trial ID

NCT00315341

Start Date

April 1 2006

End Date

August 1 2010

Last Update

January 6 2017

Active Locations (9)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 3 (9 locations)

1

Matrix Institute

Los Angeles, California, United States, 90016

2

Bi-Valley Medical Clinic INC.

Sacramento, California, United States, 95816

3

BAART; Turk Street Clinic

San Francisco, California, United States, 94102

4

Hartford Dispensary

Hartford, Connecticut, United States, 06120