Human Immunodeficiency Virus Clinical Trial
Official title:
Low Dose Naltrexone (LDN) for the Treatment of Chronic Neuropathic Pain in Patients With Human Immunodeficiency Virus (HIV), a Prospective, Pragmatic, Open Label Clinical Trial
The increased life expectancy of Patients Living With HIV/AIDS (PLWHA) has increased the need for therapies for chronic conditions, such as chronic pain. Pain in the HIV population is often refractory and ends up being treated with chronic opioids, which are associated with adverse effects, including hyperalgesia, constipation, and risk of overdose. Naltrexone is an opioid antagonist used in the treatment of alcohol and opioid use disorders. Low Dose Naltrexone (LDN), naltrexone at a much lower dose, is thought to be an immune modulator and has been associated with an increased CD4 count in PLWHA. Repurposing this medication is relatively inexpensive and has the potential to expand access to treatment for a painful condition experienced in PLWHA. While there are many case reports on the efficacy of LDN in symptom reduction, there are only a small number of clinical trials that specifically examine pain and symptom relief. This study will include patients who are not completely virologically controlled and will monitor the CD4 counts drawn as a part of routine care. If the CD4 count improves with LDN and with reduced symptoms, this could be a significant improvement in HIV therapy for symptom control. There have been studies showing cytokine reduction in fibromyalgia patients but they did not investigate the correlation with cytokines and pain relief. This study involves repurposing a drug used for substance use disorder to a medication with the potential to treat pain and improve symptoms for PLWHA.
Status | Recruiting |
Enrollment | 60 |
Est. completion date | June 2025 |
Est. primary completion date | June 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: - Age 18-65, male and female - HIV infection with a viral load of < 1000 copies/ml for the past six months. (That is viral load below which, according to the 2018 American College of Obstetricians and Gynecologists (ACOG) Committee Opinion, there is not thought to be a significant risk of HIV transmission from the mother to the fetus with vaginal delivery. This was thought to be a reasonable cut-off for inclusion in this study.) - Diagnosis of neuropathic pain (pain that is associated with a lesion or disease involving the somatosensory nervous system, e.g. painful neuropathy, radicular pain, complex regional pain syndrome, nerve-related pain following spine surgery, etc.) using the neuropathic pain screening tool, painDETECT17, as part of the neuropathic pain screen. - Pain score > 4/10 on average on the NPRS lasting > 3 months (chronic pain) - Capable of informed consent and willingness to comply with the study requirements - Fluent English-speaking Exclusion Criteria: - Allergy to naltrexone (not applicable to the control group) - Current use of any opioids, up to 10 days before the start of the study (not applicable to the control group) - Pregnant women - Nursing mothers and women of childbearing potential not using contraception known to be highly effective (not applicable for the control group). Highly effective contraception methods include a combination of any two of the following during the 12-week study period: 1. Use of oral, injected, or implanted hormonal methods of contraception or; 2. Placement of an intrauterine device (IUD) or intrauterine system (IUS); 3. Barrier methods of contraception; condom or occlusive cap (diaphragm or cervical /vault caps) with spermicidal foam/gel/film/cream/vaginal suppository; 4. Total abstinence; 5. Male/female sterilization. - Bipolar disorder, schizophrenia, poorly controlled anxiety or depression - Diagnosis of liver disease, e.g. cirrhosis - Current diagnosis of either chronic kidney disease or acute kidney injury and/or a GFR <60 at baseline - Acute viral hepatitis A, B, C - Patients who self-report as having tested positive for COVID-19 or have been diagnosed with another viral illness within the past ten days. - Patients with a known or suspected diagnosis of long-term COVID - Active drug or alcohol use disorder - People who may require opioid therapy during the duration of the study, e.g. upcoming surgery - Transportation issues interfering with return study visits (NA for the control group) - Adults unable to consent - Prisoners |
Country | Name | City | State |
---|---|---|---|
United States | Emory Midtown Hospital | Atlanta | Georgia |
United States | Emory University Hospital | Atlanta | Georgia |
United States | Grady Memorial Hospital | Atlanta | Georgia |
Lead Sponsor | Collaborator |
---|---|
Emory University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Changes in Numerical Pain Score | The study team will give participants a link to the online PROMIS questionnaire that includes a numerical pain rating scale (NPRS) to complete using an iPad or computer and will verbally ask questions to establish baseline information required for the study. If they have no computer access, they will be given a hard copy of the PROMIS questionnaire and NPRS to complete for future visits.
The Numerical Pain Rating Scale (NPRS) is a subjective measure in which individuals rate their pain on an eleven-point numerical scale. The scale is composed of 0 (no pain at all) to 10 (worst imaginable pain). Changes in pain scores, measured on the numerical pain score (NPS) on the Pain Intensity section of the PROMIS-29 Profile v2.0. This will be measured weekly during the 12-week study period. |
Study weeks 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,11 and 12 | |
Secondary | Changes in PROMIS pain Score | The study team will give participants a link to the online PROMIS questionnaire to complete using an iPad or computer and will verbally ask questions to establish baseline information required for the study. If they have no computer access, they will be given a hard copy of the PROMIS questionnaire to complete for future visits.
Changes on the overall score of the PROMIS-29 Profile v2.0 questionnaire collected at baseline, 4, 8, and 12 weeks will be assessed. The patients' answers to the PROMIS-29 are scored from 1-5. The sum of the PROMIS results in the raw score, which lies between 4 and 20. There is no total score, but each axis forms its own score. PROMIS assessments use an Item Response Theory (IRT) based score called "Expected A Posteriori" or EAP scores, which are then transformed onto a final T-score metric. The scores are mapped so that the values follow a normal distribution with a population mean T-score of 50 and a standard deviation of 10. |
Study weeks 0, week 4, week 8 and week 12 | |
Secondary | Changes in Average pain Score | The study team will give participants a link to the online PROMIS questionnaire that includes a numerical pain rating scale (NPRS) to complete using an iPad or computer and will verbally ask questions to establish baseline information required for the study. If they have no computer access, they will be given a hard copy of the PROMIS questionnaire and NPRS to complete for future visits.
The study team will compare the average weekly pain scores of the study group with the control group. |
Study weeks 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,11 and 12 | |
Secondary | Changes in IL-1 levels | Blood will be drawn by phlebotomy services according to institutional practice. Samples for will be sent to the Emory Medical Laboratory at EUH or Emory University Hospital Midtown (EUHM) for processing and analysis.
Serum cytokines values will be measured at the 12-week visit and will be compared to baseline visit values. |
Study week 0 and week 12 | |
Secondary | Changes in IL-18 levels | Blood will be drawn by phlebotomy services according to institutional practice. Samples for will be sent to the Emory Medical Laboratory at EUH or Emory University Hospital Midtown (EUHM) for processing and analysis.
Serum cytokines values will be measured at the 12-week visit and will be compared to baseline visit values. |
Study week 0 and week 12 | |
Secondary | Changes in Met-Enkephalin Levels | Blood will be drawn and collected by phlebotomy services according to institutional practices into 2 purple top tubes (EDTA, 10 ml) at the baseline and 12-week visits. These samples will be sent to the Emory Research Hemostasis and Coagulation Core Laboratory (ERHCCL) Changes in Met-Enkephalin levels at the 12-week visit compared to baseline visit levels. | Study week 0 and week 12 | |
Secondary | Changes in endorphin levels | Blood will be drawn and collected by phlebotomy services according to institutional practices into 2 purple top tubes (EDTA, 10 ml) at the baseline and 12-week visits. These samples will be sent to the Emory Research Hemostasis and Coagulation Core Laboratory (ERHCCL) Changes in endorphin levels at the 12-week visit compared to baseline visit levels. | Study week 0 and week 12 | |
Secondary | Changes in CD4 counts | Blood will be drawn and collected by phlebotomy services according to institutional practices into 2 purple top tubes (EDTA, 10 ml) at the baseline and 12-week visits. These samples will be sent to the Emory Research Hemostasis and Coagulation Core Laboratory (ERHCCL) Changes in CD4 counts levels at the 12-week visit compared to baseline visit levels. | Study week 0 and week 12 |
Status | Clinical Trial | Phase | |
---|---|---|---|
Terminated |
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