- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03249025
Lidocaine-Ketamine for Management of Chronic Pain
Ambulatory Infusion of Lidocaine and Ketamine for Management of Chronic Pain: An Observational Prospective Study
Chronic pain is defined as 'an unpleasant sensory and emotional experience associated with actual or potential tissues damage, or described in terms of such damage". It is estimated that 1 in 5 Canadians experience chronic pain "Chronic pain is associated with the worst quality of life compared with other chronic diseases such as chronic lung or heart disease". Many of these problems are confined to a specific anatomic structure, and can be diagnosed and treated by injections, physical therapy, surgery, etc. Nonetheless, other individuals experience a more generalized pain. This condition has also resulted I depressed mood, bad relations with other people, sleep disturbances and poor quality of life.
The condition is very difficult to manage, and multiple methods have been recommended. Therapeutic intravenous infusion may be considered as one of these methods. Patients come for infusions of non-opioid medications under medical supervision and in a scheduled fashion. Two most commonly used mediation are lidocaine and ketamine.
Even though it is common to use multiple medications with complementary mechanisms of action to treat pain a combined lidocaine-ketamine infusion has never been studied Therefore, the purpose of this research study is to determine whether mixture of two medications (ketamine and lidocaine) infused intravenously 1 time per month for 6 months results in reduction of pain unpleasantness.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18-90
- Pain duration: > 3 months
- Multifocal and/or non-dermatomal neuropathic pain per Pain Diagram
- Failed medical management with at least 2 neuromodulation agents (e.g., gabapentinoids, antidepressants)
- Neuropathic component (>15 points on S-LANSS)
Exclusion Criteria:
- Non-English speakers
- Refusal to sign informed consent
- Body weight > 100 kg
- Allergies to ketamine and/or lidocaine
- Known contraindications to ketamine use which include poorly controlled systemic illnesses: arterial hypertension, hyperthyroidism, ischemic heart disease, heart failure, psychiatric comorbidity (e.g., history of psychosis, schizophrenia, dissociative state).
- Known contraindication to lidocaine use which include current symptomatic or clinically significant brady- or tachyarrhythmia, systolic blood pressure <90 or >180 mmHg.
- Scheduled interventions targeting neuropathic pain: epidural injections, peripheral nerve blocks, Bier block, radiofrequency of dorsal root ganglia and peripheral nerves, additional lidocaine or ketamine infusions
- Newly added analgesic or neuromodulating medications, or recently performed interventions including lidocaine infusions (in the previous 3 months), or previous lidocaine/ketamine infusion in the previous 360 days. -Acute intoxication or active illegal substance abuse (excluding marijuana)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Lidocaine-Ketamine Infusion
Lidocaine-Ketamine Infusions 1 time per month for 6 months.
Pretreatment with Midazolam 1-3 mg IV Push or Subcutaneously and Clonidine 0.1 mg PO prior to infusion.
|
Initial dose of 5.0 mg/kg (based on actual weight, up to maximum dose 600 mg) over 45-60 minutes, followed by increases of 0.5 mg/kg each infusion based on tolerability of side effects, to a maximum total dose of 600 mg.
The initial and subsequent dose may be increased or decreased by 20% based on patient comorbidities, age and previous experience
initial dose of 0.25 mg/kg (based on actual weight) over 45-60 minutes (rounded to nearest 5 mg), increased by 10mg each infusion based on tolerability of side effects.
The initial and subsequent dose may be increased or decreased by 20% based on patient comorbidities, age and previous experience
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain Unpleasantness Score
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Relative change on "Pain Unpleasantness Score".
Moderate clinically important improvement is considered as 30% reduction.
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain Interference
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Less Pain Interference measured by Short Form Brief Pain Inventory (SF-BPI)
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Neuropathic Pain
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Less Neuropathic pain measured by Self-Administered the Leads Assessment of Neuropathic Symptoms and Signs (S-LANSS)
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Functional Status
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Improved Functional Status measured by Patient Self-Efficacy Questionnaire (PSEQ)
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Emotional Status
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Improved Emotional Status measured by Beck Depression Inventory (BDI), Pain Catastrophizing Scale (PCS)
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Cognitive Status
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
No change in Cognitive Status measured by Montreal Cognitive Assessment (MoCA)
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Quality of Life
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Improved Quality of Life measured by Global Improvement and Satisfaction Score
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Health Care Utilization
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Less Health Care Utilization measured by Self-report of number of physician, clinic visits for other reason, emergency department visit and hospitalizations
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Medication Use
Time Frame: Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Less Medication Use determined by Type and Dose of medications
|
Baseline, 1, 2, 3, 4, 5, 6 and 12 Months
|
Collaborators and Investigators
Investigators
- Principal Investigator: Michael Gofeld, MD, FRCPC, Michael G. DeGroote Pain Clinic, Hamilton Health Sciences
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pain
- Neurologic Manifestations
- Chronic Pain
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Anesthetics, Dissociative
- Anesthetics, Intravenous
- Anesthetics, General
- Anesthetics
- Excitatory Amino Acid Antagonists
- Excitatory Amino Acid Agents
- Membrane Transport Modulators
- Anesthetics, Local
- Voltage-Gated Sodium Channel Blockers
- Sodium Channel Blockers
- Ketamine
- Lidocaine
Other Study ID Numbers
- MGD-002-20170705
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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