Alrista SR Tablet (Epalrestat) | Used to Treat Diabetic Neuropathy and Nerve Pain
Alrista SR Tablet (Epalrestat) is an aldose reductase inhibitor used to treat diabetic peripheral neuropathy, a type of nerve damage that occurs as a complication of diabetes. It works by inhibiting the enzyme aldose reductase, which is responsible for converting excess glucose into sorbitol in nerve cells.
Product Overview
Alrista SR Tablet is an advanced metabolic therapeutic medication containing Epalrestat, a potent and selective aldose reductase inhibitor. Alrista SR Tablet is specifically indicated for the management and delay of progression of diabetic neuropathy, a debilitating long-term complication of diabetes mellitus. By blocking the specific biochemical pathway responsible for nerve sorbitol accumulation, this medication directly targets the underlying metabolic stress that damages nerve fibers. The sustained-release (SR) formulation provides continuous, stable blood concentrations of the drug, ensuring uniform enzyme inhibition throughout the day and improving overall patient adherence.
Product Composition
- Active Ingredient: Epalrestat (Typically available in a 150 mg sustained-release tablet strength)
- Inactive Components: May include microcrystalline cellulose, hypromellose, ethyl cellulose, colloidal silicon dioxide, and magnesium stearate to control the sustained drug release.
Product Specification
| Feature | Details |
| Drug Class | Aldose Reductase Inhibitor (ARI) |
| Therapeutic Indication | Diabetic Peripheral Neuropathy |
| Formulation | Sustained-Release (SR) Tablet |
| Biochemical Target | Aldose Reductase enzyme |
| Metabolism | Extensively metabolized in the liver |
| Excretion | Excreted through urine and feces as metabolites |
Mechanism of Action
- Under high blood sugar conditions, the body's normal glucose metabolism becomes overloaded, shifting excess glucose into the polyol pathway.
- The first and rate-limiting enzyme in this pathway is aldose reductase, which converts excess glucose into sorbitol.
- Alrista SR works by potently inhibiting this enzyme, effectively blocking the conversion process.
- By preventing the intracellular accumulation of sorbitol, it reduces osmotic stress, decreases cellular swelling, and limits the depletion of crucial cellular components like myo-inositol.
- This protective action helps maintain normal nerve conduction velocity, protects axonal structural integrity, and improves microvascular blood flow to the nerve fibers.
Key Benefits
- Targets the Root Cause: Unlike general painkillers that only mask nerve symptoms, this medication treats the underlying biochemical cause of diabetic nerve damage.
- Improves Nerve Function: Clinically proven to improve nerve conduction velocity and help restore normal sensory perception in the lower extremities.
- Symptom Relief: Alleviates distressing neuropathic symptoms, including burning pain, numbness, coldness in the feet, and spontaneous cramping.
- Sustained-Release Convenience: The SR mechanism maintains steady, therapeutic drug levels over a 24-hour cycle, eliminating the need for frequent daily dosing.
- Prevents Long-Term Complications: Early intervention helps halt or slow down the progression of nerve degeneration, potentially reducing the risk of severe diabetic foot ulcers.
Precautions
| Precaution | Description |
|---|---|
| Liver Disease | Use carefully in patients with liver problems. |
| Diabetes Control | Continue regular blood sugar monitoring. |
| Alcohol | May worsen nerve damage and side effects. |
| Pregnancy | Use only if clearly advised by a healthcare professional. |
| Breastfeeding | Consult a healthcare professional before use. |
| Kidney Disease | Inform your doctor if you have kidney issues. |
| Allergy | Avoid if allergic to Epalrestat or similar medicines. |
Important Points
- Take exactly as prescribed by your doctor.
- Do not stop treatment without medical advice.
- Maintain good blood sugar control for better results.
- Report unusual fatigue, nausea, or yellowing of eyes/skin immediately.
Usage
Dosage and administration for this metabolic therapy must be sustained over a long period to successfully halt biochemical nerve damage. Alrista SR Tablet is formulated to release its active ingredient gradually, requiring strict adherence to timing and method of ingestion to preserve its sustained-release delivery.
| Aspect | Recommendation |
| Standard Dosage | Generally one 150 mg tablet taken once daily |
| Administration | Swallow the tablet whole with a full glass of water; do not crush, chew, or split it |
| Timing | Should be taken consistently at the same time each day, preferably before a major meal |
| Treatment Duration | Must be taken continuously for several weeks to months before structural nerve improvements are felt |
| Urine Discoloration | May cause the urine to turn a reddish-brown color; this is completely harmless and due to the drug's properties |
| Blood Sugar Control | Must be used alongside optimal diabetes management, as high blood sugar reduces its clinical effectiveness |
Uses
Diabetic Peripheral Neuropathy: Prescribed as a primary long-term treatment to slow the progression of nerve damage caused by chronic hyperglycemia (high blood sugar).
Neuropathic Pain Relief: Effectively reduces the intensity of severe burning pain, sharp shooting pains, and spontaneous muscle cramping in the feet and hands.
Sensory Abnormalities: Helps restore normal sensation in patients experiencing localized numbness, a "pins and needles" tingling sensation, or a loss of temperature perception.
Autonomic Nerve Stabilization: Utilized to manage complications associated with diabetic autonomic neuropathy, such as abnormal sweating patterns or digestive sluggishness.
Motor Nerve Protection: Aids in preserving muscle strength and coordination in the lower extremities by maintaining healthy nerve conduction velocities.
Foot Ulcer Prevention: By preserving sensory perception and warning signs of injury, it plays an indirect role in reducing the risk of developing silent diabetic foot ulcers.
FAQs
Q: What is Alrista SR Tablet used for?
A: Alrista SR (Epalrestat) is used to treat diabetic peripheral neuropathy, a type of nerve damage that occurs as a complication of diabetes. It helps relieve symptoms such as numbness, tingling, burning sensation, and pain in the hands and feet.
Q: How does Epalrestat work?
A: Epalrestat works by inhibiting the enzyme aldose reductase, which converts excess glucose into sorbitol in nerve cells. The accumulation of sorbitol leads to nerve damage, and by blocking this process, Epalrestat helps prevent and slow the progression of diabetic nerve damage.
Q: What does SR mean in Alrista SR Tablet?
A: SR stands for Sustained Release. This means the medication is gradually released into the body over an extended period, maintaining stable therapeutic levels throughout the day and improving patient compliance with once or twice daily dosing.
Q: How should I take Alrista SR Tablet?
A: Alrista SR Tablet should be taken before meals as prescribed by your doctor. Swallow the tablet whole with a full glass of water. Do not crush, chew, or break the tablet as this may affect the sustained release mechanism.
Q: What is the usual dose of Alrista SR Tablet?
A: The typical dose is 150mg once or twice daily before meals as prescribed by your doctor. The dose may vary depending on the severity of the condition and your response to treatment. Always follow your doctor's instructions.
Q: How long does it take for Alrista SR Tablet to work?
A: Improvement in symptoms of diabetic neuropathy such as numbness, tingling, and pain may be noticed within a few weeks of regular use. However, the full therapeutic benefit may take several months of consistent treatment.
Q: Can Alrista SR Tablet cure diabetic neuropathy?
A: Alrista SR cannot cure diabetic neuropathy but helps prevent its progression and relieve its symptoms. It works best when used alongside good blood sugar control, a healthy diet, regular exercise, and other diabetes management strategies prescribed by your doctor.
Q: What are the common side effects of Alrista SR Tablet?
A: Common side effects include nausea, stomach upset, loss of appetite, and a harmless discolouration of urine to a yellowish-brown colour. Contact your doctor if any side effects become severe or persistent.
Q: Can Alrista SR Tablet cause urine discolouration?
A: Yes. Epalrestat may cause the urine to turn yellowish-brown in colour. This is a harmless and expected effect of the medication and is not a cause for concern. However, inform your doctor if you notice any other unusual changes in urine colour or odour.
Q: Who should not take Alrista SR Tablet?
A: Alrista SR should be used with caution in patients with severe liver or kidney disease. It should not be taken by patients who are allergic to Epalrestat or any of its ingredients. Always inform your doctor of your full medical history before starting treatment.
Interactions
| Drug / Group | Effect with Alrista SR Tablet (Epalrestat) |
|---|---|
| Other antidiabetic medicines | May enhance blood sugar-lowering effect. |
| Insulin | Can increase risk of hypoglycemia if not monitored. |
| Alcohol | May worsen nerve damage and side effects. |
| Hepatotoxic drugs | May increase risk of liver-related side effects. |
| NSAIDs (painkillers) | May increase overall side effects in some patients. |
| Herbal supplements | May interfere with diabetes control. |
Important Points
- Inform your healthcare provider about all medicines you are taking.
- Monitor blood sugar regularly during treatment.
- Avoid self-adjusting diabetes medicines.
- Report symptoms like dizziness, sweating, or weakness.
| Manufacturer | : | Macleods Pharma, India |
| Trade Name | : | |
| Generic Search | : | Epalrestat |
| Strength | : | 150 mg |
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