NCT02362256

Brief Summary

The aim of this study is to investigate which method of naltrexone induction during rapid opioid detoxification causes stronger stress response and has a higher influence on opioid abstinence caused by opioid induction.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started May 2014

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2014

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2014

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2014

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

January 18, 2015

Completed
25 days until next milestone

First Posted

Study publicly available on registry

February 12, 2015

Completed
Last Updated

February 12, 2015

Status Verified

February 1, 2015

Enrollment Period

1 month

First QC Date

January 18, 2015

Last Update Submit

February 11, 2015

Conditions

Keywords

Opioid detoxificationOpioid antagonist inductionConscious sedation

Outcome Measures

Primary Outcomes (2)

  • Cortisol levels

    Cortisol levels were assessed 4 times starting on intervention day (1 hour before intervention, 1, 5 and 23 hours post-intervention)

    2 days

  • Adrenocorticotropic hormone (ACTH) levels

    Cortisol levels were assessed 4 times starting on intervention day (1 hour before intervention, 1, 5 and 23 hours post-intervention)

    2 days

Secondary Outcomes (10)

  • Stress response levels according to heart rate

    4 days

  • Stress response levels according to respiratory rate

    4 days

  • Stress response levels according to blood pressure

    4 days

  • Changes of potassium concentration due to stress response

    4 days

  • Changes of sodium concentration due to stress response

    4 days

  • +5 more secondary outcomes

Study Arms (2)

Intervention

EXPERIMENTAL

Opioid antagonist induction. Day 4. Duration 12-16 hours. Naltrexone gradual increase from 50 µg p/o to a total dose of 12,5 mg according to a predefined protocol: 1. st hour 50 µg 2. nd hour 50 µg 3. rd hour 100 µg 4. th hour 100 µg 5. th hour 200 µg 6. th hour 400 µg 7. th hour 800 µg 8. th hour 1600 µg 9. th hour 3200 µg 10. th hour 6000 µg Correction of symptoms for opioid abstinence: Clonidine 150 µg p/o every 4 hours (Day 3 and Day 4) Lorazepam 5 mg p/o every 4 hours (Day 3 and Day 4), Lorazepam 2,5 mg po every 4 hours (Day 5, Day 6)

Drug: NaltrexoneDrug: ClonidineDrug: Lorazepam

Control

ACTIVE COMPARATOR

Opioid antagonist induction. Day 4. Duration 12-16 hours. Naltrexone single dose 12,5 mg p/o Correction of symptoms for opioid abstinence: Clonidine 150 µg p/o every 4 hours (Day 3 and Day 4) Lorazepam 5 mg p/o every 4 hours (Day 3 and Day 4), Lorazepam 2,5 mg po every 4 hours (Day 5, Day 6)

Drug: NaltrexoneDrug: ClonidineDrug: Lorazepam

Interventions

Also known as: Vivitrol, Revia
ControlIntervention
Also known as: Catapres, Kapvay
ControlIntervention
Also known as: Ativan
ControlIntervention

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Opiate addiction
  • Use of short-acting opiate (morphine or heroine)
  • Age \> 18 years
  • Length of opiate addiction \> 1 year
  • Patient can make a decision for detoxification and has a capacity to consent for procedure
  • Written consent for procedure

You may not qualify if:

  • Polyvalent addiction
  • Pregnancy or breast feeding
  • Cardiovascular pathology
  • Acute or chronic kidney disease
  • Decompensated liver pathology (jaundice, ascites, hepatic encephalopathy)
  • Infective complications of opiate addiction (pneumonia, phlegmon, abscess, thombophlebitis, sepsis)
  • Malnutrition (Nutritional risk screening 2002 score ≥3)
  • Diabetes mellitus
  • Previous history of psychosis
  • Glasgow coma scale \< 15
  • Abdominal surgical intervention during last 30 days
  • Cumulative buprenorphine dose for stabilization \< 8 mg
  • Positive test for psychoactive substances during treatment
  • Refusal to participate in study at any point of it

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Republic Vilnius University Hospital

Vilnius, Vilnius County, LT-04130, Lithuania

Location

MeSH Terms

Conditions

Opioid-Related Disorders

Interventions

NaltrexonevivitrolClonidineLorazepam

Condition Hierarchy (Ancestors)

Narcotic-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

NaloxoneMorphinansOpiate AlkaloidsAlkaloidsHeterocyclic CompoundsHeterocyclic Compounds, Bridged-RingHeterocyclic Compounds, 4 or More RingsHeterocyclic Compounds, Fused-RingPhenanthrenesPolycyclic Aromatic HydrocarbonsPolycyclic CompoundsImidazolinesImidazolesAzolesHeterocyclic Compounds, 1-RingBenzodiazepinonesBenzodiazepinesBenzazepinesHeterocyclic Compounds, 2-Ring

Study Officials

  • ROBERTAS BADARAS, MD

    Vilnius University Clinic of Anaesthesiology and Intensive Care

    PRINCIPAL INVESTIGATOR
  • JUOZAS IVASKEVICIUS, PROFESSOR

    Vilnius University Clinic of Anaesthesiology and Intensive Care

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD Robertas Badaras

Study Record Dates

First Submitted

January 18, 2015

First Posted

February 12, 2015

Study Start

May 1, 2014

Primary Completion

June 1, 2014

Study Completion

September 1, 2014

Last Updated

February 12, 2015

Record last verified: 2015-02

Locations