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The Effects of Low Dose Naltrexone (LDN) on Diseases of Aging
1 other identifier
observational
N/A
1 country
1
Brief Summary
This retrospective, observational study will assess the health status of short- and long-term low-dose naltrexone (LDN) users.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Mar 2022
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 7, 2022
CompletedStudy Start
First participant enrolled
March 14, 2022
CompletedFirst Posted
Study publicly available on registry
April 1, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 14, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
December 14, 2023
CompletedAugust 6, 2024
August 1, 2024
1.8 years
March 7, 2022
August 5, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Quality of life score
The short-form (SF)-36 Questionnaire generates scores in the categories: physical function, role limitations due to physical health, role limitations due to emotional problems, energy/fatigue, emotional well-being, social functioning, pain, and general health. Scores up to maximum 100, with higher scores representing better quality of life
At enrollment
Immune Status
Immune Status Questionnaire (ISQ) to define a measure of perceived immune status, consists of seven representative immune-associated symptoms and diseases. The Immune Status Questionnaire scores respondents out of 10, with 10 being a better outcome and lower scores worse outcome.
At enrollment
Secondary Outcomes (8)
General health and family history
At enrollment
Levine's phenotypic age
At enrollment
CD4/CD8 ratio
At enrollment
CMV IgG
At enrollment
hsCRP
At enrollment
- +3 more secondary outcomes
Study Arms (3)
Long-term (>5 years) LDN users
Participants who have been using LDN for over 5 years
intermediate-term (1-5 years) LDN users
Participants who have been using LDN for at least 1 year, but shorter than 5 years.
short-term (<12 months) LDN users
Participants who have been using LDN for less than a year. This group will serve as the control group.
Interventions
LDN doses \<20 mg/day
Eligibility Criteria
Eligible long-term (\>5 years), intermediate-term (1-5 years), and short-term (\<12 months) LDN users
You may qualify if:
- Adults (aged 18-120)
- Any sex
- Any ethnicity
- Taking LDN
- Willing to complete health questionnaires
- Technologically competent to complete web forms
- Subgroup: willing to undergo blood testing
You may not qualify if:
- LDN doses over 20 mg/day
- Terminal cancer patients (defined as stage IV and/or with a life expectancy of 12 months or less)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- AgelessRxlead
Study Sites (1)
AgelessRx
Ann Arbor, Michigan, 48104, United States
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Sajad Zalzala, MD
AgelessRx
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 7, 2022
First Posted
April 1, 2022
Study Start
March 14, 2022
Primary Completion
December 14, 2023
Study Completion
December 14, 2023
Last Updated
August 6, 2024
Record last verified: 2024-08