About this trial
The goal of this clinical trial is to assess the efficacy of Levagen+ supplementation for the symptoms of diabetic peripheral neuropathy (DPN) in patients with DPN.
Participants will have remote visits and attend a local pathology centre for blood draws. They will take the study product for 12 weeks, from baseline to week 12 they will have remote visits every 3 weeks.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adults aged 18-75 years.
Using prescribed glucose-lowering medications, including oral medications (stable dose for 3 months or more) and/or insulin for diabetes (type 1 or 2).
Scoring12 or more on the Self-reported Leeds Assessment of Neuropathic Symptoms and Signs (S-LANSS).
Able to provide informed consent.
Disqualifiers
Peripheral neuropathy due to causes other than diabetes mellitus (e.g. nutritional deficiencies; hereditary sensory neuropathy; paraneoplastic diseases; advanced liver disease; kidney disease; hypothyroidism; prolonged phenytoin, warfarin or immunosuppressive drug use; active infection [HIV, Lyme disease, Epstein-Barr virus, Hepatitis C, Shingles, Leprosy]; autoimmune disease [Sjogren syndrome, Lupus, Rheumatoid arthritis, Guillain-Barre syndrome]; trauma / injury; toxins [heavy metals, chemicals]; antibiotics; or inflammatory conditions [vasculitis]).
Serious illness e.g., paraneoplastic diseases, advanced liver disease, kidney disease, hypothyroidism, mood disorders such as depression, anxiety or bipolar disorder, neurological disorders such as MS, or heart conditions, or peripheral vascular disease
Unstable illness e.g., diabetes and thyroid gland dysfunction, hypercholesterolemia
Current malignancy (excluding Basal Cell Carcinoma) or chemotherapy or radiotherapy treatment for malignancy within the previous 2 years.
Trial design
Parallel
Treatments tested in this trial
Levagen+
Dietary supplementParticipants will take 1 capsule twice daily with water after food. Each capsule will contain: A175mg containing 150 mg of palmitoylethanolamide (PEA). Total daily dose of 350mg Levagen+ containing 300 mg PEA
Placebo
Other interventionParticipants will take 1 capsule twice daily with water after food. Each capsule will contain microcrystalline cellulose \[MCC\]
Treatment groups
Trial outcomes
Primary outcomes
Change from baseline to the end of the study period in overall severity of neuropathic pain
Change from baseline to the end of the study period in overall severity of neuropathic pain, as assessed by the Brief Pain Inventory Short Form for Diabetic Peripheral Neuropathy (BPI-DPN). This is a self-reported scale, higher scores indicate greater pain and interference.
Secondary outcomes
Change from baseline to the end of the study period in Neuropathic Pain Symptom Inventory
Change from baseline to the end of the study period in Neuropathic Pain Symptom Inventory (NPSI). This is a self-administered questionnaire used to evaluate neuropathic pain intensity across 5 categories, namely "superficial spontaneous pain", "deep spontaneous pain", "paroxysmal pain", "evoked pain", and "dysesthesia / paraesthesia". There are 10 pain descriptors and 2 items related to abnormal sensations. The scale ranges from 0 (no pain at all) to 10 (worst pain imaginable). The total scores of all items are combined to find the total pain intensity
Change from baseline to the end of the study period in Safety via Adverse Event reporting
Change from baseline to the end of the study period in safety via Adverse Event reporting and incident rate ratio between placebo and Levagen+
Change from baseline to the end of the study period in Safety Markers (FBC)
Change from baseline to the end of the study period in safety Markers (FBC - Full Blood Count) via blood test.
Change from baseline to the end of the study period in Safety Markers (E/LFT)
Change from baseline to the end of the study period in safety Markers (E/LFT) via blood test.
Sponsors and contacts
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RDC Clinical Pty Ltd
Lead sponsor
Gencor Pacific Limited, Hong Kong
Collaborator