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Cost-utility and Physiological Effects of LDN in Patients With Fibromyalgia (INNOVA)

Primary Purpose

Randomized Controlled Trial

Status
Enrolling by invitation
Phase
Phase 4
Locations
Spain
Study Type
Interventional
Intervention
Low-dose naltrexone
Sponsored by
Fundació Sant Joan de Déu
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Randomized Controlled Trial

Eligibility Criteria

18 Years - 70 Years (Adult, Older Adult)FemaleDoes not accept healthy volunteers

General Inclusion Criteria:

  • Female between 18 and 70 years old
  • Patients diagnosed of FM according to ACR 2016 criteria
  • Chronic widespread pain for at least 6 months ranked ≥ 4 out of 10;
  • Understand Spanish;
  • Written informed written consent;

General Exclusion Criteria:

  • Treatment with opiates in last 3 months;
  • Diagnosis of severe medical/psychiatric disorders (e.g. cancer, severe depression, psychotic disorder, schizophrenia);
  • Being pregnant (or planning a pregnancy during the study period) or breastfeeding;
  • Known allergy to naltrexone or naloxone;
  • Hematological disorders;
  • Abnormal hepatic function;
  • Taking anticoagulant medication;
  • Alcohol consume during the study period
  • Participation in other clinical trials;

Additional inclusion criteria for biomarker sub-study:

Right-handed (for the neuroimaging tests)

Additional exclusion criteria for biomarker sub-study:

Comorbid rheumatologic illnesses (e.g. rheumatoid arthritis, lupus); fever (> 38ºC) or infection in the last 2 weeks; vaccination in the last 4 weeks; Take drugs with anti-inflammatory effects in the 72h prior to blood / neuroimaging; taking cortisone or anti-cytokine therapy; needle phobia; inability to be scanned (due to claustrophobia, metal implants, pacemakers, etc.); Body Mass Index (BMI) > 36 kg/m2; consumption of > 8 units of caffeine per day; smoking > 10 cigarettes/day; acute pain not-related to FM on the day of the scan (e.g. headache, back pain).

Sites / Locations

  • Parc Sanitari Sant Joan de Déu (PSSJD)

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Placebo Comparator

Arm Label

Low-Dose-Naltrexone (LDN)

Placebo

Arm Description

The LDN treatment will consist of one 4.5 mg naltrexone tablet (lactose-free) taken daily for 12 months before going to sleep.

The control group will take the placebo daily (a film-coated tablet, identical to the LDN, filled with a lactose-free excipient), for 12 months, following the same guidelines.

Outcomes

Primary Outcome Measures

Pain intensity
-Numerical Rating Scale-NRS- from 0 (no pain) to 10 (worst possible pain)

Secondary Outcome Measures

Revised Fibromyalgia Impact Questionnaire (FIQR)
21-item questionnaire on physical function, overall impact and severity of the symptoms associated with FM. Total scores can range from 0 (no impairment) to (maximum impairment) memory/attentional problems, quality of sleep)
Depression Anxiety Stress Scale (DASS-21)
Scale of 21 items created to assess symptoms of depression, anxiety and stress. Each subscale (Depressión, Anxiety and Stress) includes 7 items with scores ranging from 0 to 21. Higher scores indicate higher symptom severity.
Multidimensional Inventory of Subjective Cognitive Impairment (MISCI)
10-item measure of subjective cognitive dysfunction in FM. total score ranges from 10 to 50, where lower scores indicate higher cognitive dysfunction.

Full Information

First Posted
February 1, 2021
Last Updated
October 26, 2022
Sponsor
Fundació Sant Joan de Déu
Collaborators
Carlos III Health Institute
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1. Study Identification

Unique Protocol Identification Number
NCT04739995
Brief Title
Cost-utility and Physiological Effects of LDN in Patients With Fibromyalgia
Acronym
INNOVA
Official Title
12-month Randomized, Double-blind, Placebo-controlled, Pharmacological Clinical Trial to Evaluate the Effectiveness, Cost-utility and Neurobiological Effects of Low-dose Naltrexone in Patients With Fibromyalgia (INNOVA Project)
Study Type
Interventional

2. Study Status

Record Verification Date
October 2022
Overall Recruitment Status
Enrolling by invitation
Study Start Date
June 1, 2022 (Actual)
Primary Completion Date
July 31, 2023 (Anticipated)
Study Completion Date
December 31, 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Fundació Sant Joan de Déu
Collaborators
Carlos III Health Institute

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
Background: Low-dose naltrexone (LDN) may be useful in managing the pathologies that alter inflammatory markers, such as Crohn's disease or fibromyalgia (FM). The anti-inflammatory effect of LDN should be produced through the inhibition of Toll-like receptor 4 activity expressed in the membrane of various immune system cells (e.g. microglia). Conversely, due to a rebound effect, LDN could exercise an analgesic effect that strengthens the endogenous inhibitory system. According to this hypothesis, the low-intensity and intermittent blocking of the opioid receptors generated by LDN should induce a compensatory mechanism that should facilitate an increase in the production of endogenous opioids and greater sensitivity of the system to their effects. To date, the effects of LDN in patients with FM have been evaluated through crossover studies that have yielded promising results. Given that the studies conducted up to now have had small sample sizes and crossover designs, and given that there are still no studies in which its potential cost-utility is assessed, studies with greater methodological rigor and larger samples are necessary to confirm the effectiveness of LDN in FM. Jointly evaluating the effectiveness and cost-utility, the changes in metabolites in certain areas of the brain, and systemic inflammatory markers potentially linked to the etiopathogenesis of FM, should allow us to gain a more detailed knowledge of the neurobiological mechanisms underlying the effectiveness of LDN in this population. Objectives: To evaluate the effectiveness and safety of LDN in patients with FM and analyse its cost-utility both from the government and the healthcare perspective at 1-year follow-up. Brain metabolites and systemic inflammatory biomarkers will be included to evaluate neurobiological mechanisms behind LDN therapeutic effects. Design: Randomized, Controlled Trial. Centre: Parc Sanitari Sant Joan de Déu (St. Boi de Llobregat, Spain). Participants: 120 patients with FM will be randomly assigned to LDN (4.5mg/day) or placebo. Main outcome measure: Pain severity using Ecological Momentary Assessment. Secondary outcomes: functionality, affective symptoms, fibrofog, quality of life. Costs and QALYs will be also calculated. Biomarkers: 50% of the patients will be scanned at baseline and at week 12 for changes in brain metabolites related to neuroinflammation and central sensitization. Immune-inflammatory markers in serum will also be evaluated.
Detailed Description
Low-dose Naltrexone (LDN): A potential treatment for fibromyalgia (FM) Naltrexone is an opioid antagonist used for treating opiate and alcohol dependency that blocks the mu receptors and, to a lesser extent, the delta-opioid receptors. There is growing evidence that naltrexone administered in very low doses (i.e. low-dose naltrexone, LDN) -approximately 1/10 of the usual dose, between 1.5-5 mg vs. 50 mg/day- may be useful in managing the various pathologies that alter inflammatory markers, such as Crohn's disease, multiple sclerosis and FM. The anti-inflammatory effect of naltrexone should be produced through the inhibition of TLR-4 (Toll-like receptor 4) activity expressed in the membrane of various immune system cells (e.g. microglia, macrophages). Conversely, due to a "rebound effect", LDN could exercise an analgesic effect that strengthens the endogenous inhibitory system. According to this hypothesis, the low-intensity and intermittent blocking of the opioid receptors generated by LDN should induce a compensatory mechanism that should facilitate an increase in the production of endogenous opioids and greater sensitivity of the system to their effects. To date, the effects of LDN in patients with FM have only been evaluated through crossover pilot studies and have always produced highly promising results. Thus, in the first study conducted with LDN in FM (N= 10), ameliorations in the daily pain, stress and fatigue levels were observed. In the same vein, in a posterior study (N= 31), significant improvements (vs. Placebo) in daily pain (28% vs. 18%), satisfaction with life and mood were also observed. In another single-blind crossover study (N= 8) the pre and post changes in the levels of cytokines in plasma were evaluated over 8 weeks, with reductions in a wide range of inflammatory markers being observed (e.g. IL-1, sIL-1ra, IL-6, IL-10, TNF-alpha), as well as changes in the levels of pain (-15%) and FM symptoms (-18%). Given that the studies conducted up to now had reduced sample sizes and crossover designs, and given that there are still no studies in which its potential cost-utility is assessed, studies with greater methodological rigor and larger samples are necessary to confirm the clinical effectiveness of LDN in FM. Jointly evaluating the efficacy and cost-utility analyses, the changes in metabolites (i.e. Glu) in certain areas of the brain, and systemic inflammatory markers potentially linked to the etiopathogenesis of FM, should allow us to gain a more detailed knowledge of the neurobiological mechanisms underlying the effectiveness of LDN in this population. The INNOVA project will enable all these factors to be evaluated for the first time.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Randomized Controlled Trial

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 4
Interventional Study Model
Parallel Assignment
Model Description
Double-blind, randomized controlled trial
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
120 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Low-Dose-Naltrexone (LDN)
Arm Type
Experimental
Arm Description
The LDN treatment will consist of one 4.5 mg naltrexone tablet (lactose-free) taken daily for 12 months before going to sleep.
Arm Title
Placebo
Arm Type
Placebo Comparator
Arm Description
The control group will take the placebo daily (a film-coated tablet, identical to the LDN, filled with a lactose-free excipient), for 12 months, following the same guidelines.
Intervention Type
Drug
Intervention Name(s)
Low-dose naltrexone
Other Intervention Name(s)
LDN
Intervention Description
4.5 mg LDN/day for 1 year
Primary Outcome Measure Information:
Title
Pain intensity
Description
-Numerical Rating Scale-NRS- from 0 (no pain) to 10 (worst possible pain)
Time Frame
Through study completion, an average of 1 year
Secondary Outcome Measure Information:
Title
Revised Fibromyalgia Impact Questionnaire (FIQR)
Description
21-item questionnaire on physical function, overall impact and severity of the symptoms associated with FM. Total scores can range from 0 (no impairment) to (maximum impairment) memory/attentional problems, quality of sleep)
Time Frame
Through study completion, an average of 1 year
Title
Depression Anxiety Stress Scale (DASS-21)
Description
Scale of 21 items created to assess symptoms of depression, anxiety and stress. Each subscale (Depressión, Anxiety and Stress) includes 7 items with scores ranging from 0 to 21. Higher scores indicate higher symptom severity.
Time Frame
Through study completion, an average of 1 year
Title
Multidimensional Inventory of Subjective Cognitive Impairment (MISCI)
Description
10-item measure of subjective cognitive dysfunction in FM. total score ranges from 10 to 50, where lower scores indicate higher cognitive dysfunction.
Time Frame
Through study completion, an average of 1 year
Other Pre-specified Outcome Measures:
Title
EuroQoL (EQ-5D-5L)
Description
Instrument for evaluating health-related quality of life. The EQ-5D-5L scores will be used to calculate the QualityAdjusted Life Years (QALYs) for the cost-utility analysis
Time Frame
Through study completion, an average of 1 year
Title
Client Service Receipt Inventory (CSRI)
Description
The version used in this study is designed to retrospectively collect information on the use of health and social services during the previous 12 months. This instrument does not provide total or sub-scale scores, only collects information about use of services and medication consumption.
Time Frame
Through study completion, an average of 1 year
Title
Patient Global and Specific Impression of Change (PGIC/PSIC)
Description
Items scored on a 7-point Likert scale (from 1 "much better" to 7 "much worse")
Time Frame
Through study completion, an average of 1 year
Title
ACTTION AE
Description
It is a reporting checklist used to measure safety and benefit-risk of a clinical trial.
Time Frame
Through study completion, an average of 1 year
Title
The Pain Monitor® app
Description
It was validated in an empirical study for use on Android smartphones. It will be used to assess daily (twice a day) the level of pain, fatigue, etc. during the treatment period.
Time Frame
Through study completion, an average of 1 year
Title
Socio-demographic questionnaire
Description
Gender, date of birth, marital status, living arrangements, educational level and work status.
Time Frame
Baseline
Title
12-item WHODAS 2.0
Description
The 12-item interviewer administered version of the World Health Organization Disability Assessment Schedule 2.0 can be used algorithmically for the probable diagnosis of a depressive disorder, or as a continuous measure of scores ranging from 0 to 27, with cutoff points of 5, 10, 15 and 20, which set the levels of symptoms of depression as mild, moderate, moderately severe or severe.
Time Frame
Baseline
Title
Generalized Anxiety Disorder 7-item scale (GAD-7)
Description
Questionnaire that measures generalized anxiety symptoms (pathological worry). This instrument has been used in other studies for FM.
Time Frame
Baseline
Title
Fibromyalgia Survey Diagnostic Criteria (FSDC)
Description
Scale that assesses the main symptoms of FM according to the latest revision of the American College of Rheumatology (ACR) criteria. This instrument includes 2 subscales: (1) the generalized pain index and (2) the symptom severity scale. A total FM score is obtained, with higher values indicating greater severity (range: 0 to 31 points).
Time Frame
Baseline

10. Eligibility

Sex
Female
Gender Based
Yes
Gender Eligibility Description
Female
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
70 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
General Inclusion Criteria: Female between 18 and 70 years old Patients diagnosed of FM according to ACR 2016 criteria Chronic widespread pain for at least 6 months ranked ≥ 4 out of 10; Understand Spanish; Written informed written consent; General Exclusion Criteria: Treatment with opiates in last 3 months; Diagnosis of severe medical/psychiatric disorders (e.g. cancer, severe depression, psychotic disorder, schizophrenia); Being pregnant (or planning a pregnancy during the study period) or breastfeeding; Known allergy to naltrexone or naloxone; Hematological disorders; Abnormal hepatic function; Taking anticoagulant medication; Alcohol consume during the study period Participation in other clinical trials; Additional inclusion criteria for biomarker sub-study: Right-handed (for the neuroimaging tests) Additional exclusion criteria for biomarker sub-study: Comorbid rheumatologic illnesses (e.g. rheumatoid arthritis, lupus); fever (> 38ºC) or infection in the last 2 weeks; vaccination in the last 4 weeks; Take drugs with anti-inflammatory effects in the 72h prior to blood / neuroimaging; taking cortisone or anti-cytokine therapy; needle phobia; inability to be scanned (due to claustrophobia, metal implants, pacemakers, etc.); Body Mass Index (BMI) > 36 kg/m2; consumption of > 8 units of caffeine per day; smoking > 10 cigarettes/day; acute pain not-related to FM on the day of the scan (e.g. headache, back pain).
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Juan V. Luciano, PhD
Organizational Affiliation
Fundació Sant Joan de Déu
Official's Role
Principal Investigator
Facility Information:
Facility Name
Parc Sanitari Sant Joan de Déu (PSSJD)
City
Sant Boi De Llobregat
State/Province
Barcelona
ZIP/Postal Code
08830
Country
Spain

12. IPD Sharing Statement

Plan to Share IPD
No
Citations:
PubMed Identifier
34992118
Citation
Colomer-Carbonell A, Sanabria-Mazo JP, Hernandez-Negrin H, Borras X, Suso-Ribera C, Garcia-Palacios A, Muchart J, Munuera J, D'Amico F, Maes M, Younger JW, Feliu-Soler A, Rozadilla-Sacanell A, Luciano JV. Study protocol for a randomised, double-blinded, placebo-controlled phase III trial examining the add-on efficacy, cost-utility and neurobiological effects of low-dose naltrexone (LDN) in patients with fibromyalgia (INNOVA study). BMJ Open. 2022 Jan 6;12(1):e055351. doi: 10.1136/bmjopen-2021-055351.
Results Reference
derived

Learn more about this trial

Cost-utility and Physiological Effects of LDN in Patients With Fibromyalgia

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