Description
Emerging treatments for diabetic neuropathy focus on addressing the root causes and providing symptomatic relief. Novel therapies include advanced pain management drugs, nerve regeneration techniques, and the use of antioxidants like alpha-lipoic acid. Regenerative medicine approaches, such as stem cell therapy, aim to repair damaged nerves. Personalized treatment plans incorporating lifestyle changes, glycemic control, and physical therapy are gaining importance. These innovative strategies improve quality of life and target long-term nerve health in diabetic patients.
Résumé
- Diabetic neuropathy, a microvascular complication of diabetes, often presents with symptoms related to B complex vitamin deficiencies. Notably, Vitamin B1 (thiamine) deficiency is highly prevalent among diabetics. Thiamine plays a vital role in carbohydrate metabolism and glucose regulation, impacting energy production and nerve function.
- Thiamine, in its active form as thiamine diphosphate (TDP), acts as a co-enzyme for key metabolic enzymes like pyruvate dehydrogenase, alpha-ketoglutarate dehydrogenase, and transketolase. These enzymes are crucial for converting carbohydrates into energy, mitigating glucose toxicity, and producing energy molecules within the Krebs cycle.
- Vitamin B1 requirements vary depending on carbohydrate intake and metabolic rate, typically ranging from 0.9 to 1.5 mg daily for men and 0.8 to 1.1 mg for women. Dietary sources include meat, fish, seeds, cereals, nuts, and pulses. However, cooking and consumption of certain foods like coffee, tea, and raw fish can diminish thiamine availability. Deficiencies can result from insufficient intake, impaired absorption, increased renal clearance (common in diabetics), and certain medications.
- Vitamin B1 deficiency can lead to impaired carbohydrate and energy metabolism, affecting high-demand tissues like the brain and heart. Neurological symptoms include neuropathy, muscle weakness, and neurocognitive disorders, while cardiovascular complications include cardiac insufficiency and heart failure. Studies indicate that diabetic patients often exhibit lower plasma thiamine levels, linked to vascular disease.
- Benfotiamine, a lab-generated lipid-soluble derivative of vitamin B1, offers higher bioavailability compared to traditional thiamine. It's passively diffused molecule and has a dose proportional uptake, compensating for B1 deficiencies more effectively. Benfotiamine functions as a pro-drug, converting into thiamine and TDP within the body, enhancing transketolase activity and redirecting glucose metabolism towards less hazardous pathways.
- Clinical trials, including the BENDIB and STURBAN studies, have demonstrated the efficacy of benfotiamine in treating diabetic polyneuropathy, particularly in reducing pain. Combining benfotiamine with alpha-lipoic acid can provide both immediate relief and long-term nerve protection.
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À propos des intervenants
Dr Ahmed Hamouda Ali Arnaout.
Médecin consultant en médecine interne, hôpitaux Mediclinic Middle East, Abu Dhabi, Émirats arabes unis
Divulgation financière
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