Neoral: Advanced Immunosuppression for Transplant Success
Neoral
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| Product dosage: 25mg | |||
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Synonyms | |||
Neoral (cyclosporine modified) is a critical immunosuppressive agent specifically formulated to prevent organ rejection in transplant recipients. As a microemulsion, it offers improved and more consistent bioavailability compared to conventional cyclosporine formulations, allowing for more predictable blood concentration levels and enhanced therapeutic outcomes. Its precise mechanism involves selective inhibition of T-lymphocyte activation, providing targeted immunosuppression while maintaining a manageable side effect profile. This medication represents a cornerstone therapy in transplant medicine, supported by decades of clinical evidence and continuous refinement in delivery technology.
Features
- Microemulsion formulation for enhanced bioavailability
- Consistent and predictable pharmacokinetic profile
- Soft gelatin capsules for improved absorption
- Multiple dosage strengths (25 mg and 100 mg) for precise titration
- Temperature-stable formulation requiring no refrigeration
- Child-resistant packaging for safety
Benefits
- Significantly reduces risk of acute organ rejection in transplant patients
- Provides more stable blood concentration levels compared to conventional cyclosporine
- Allows for lower maintenance doses through improved bioavailability
- Enables better long-term graft survival rates
- Offers flexible dosing regimens tailored to individual patient needs
- Maintains quality of life by preventing rejection episodes
Common use
Neoral is primarily indicated for the prophylaxis of organ rejection in patients receiving kidney, liver, and heart allogeneic transplants. It is typically used as part of a comprehensive immunosuppressive regimen that may include corticosteroids and other immunosuppressive agents. The medication may also be prescribed for severe, active rheumatoid arthritis where conventional therapy has proven inadequate, and for severe psoriasis in adult patients who are unresponsive to other systemic therapies. Treatment initiation should always occur under the supervision of physicians experienced in immunosuppressive therapy and management of transplant patients.
Dosage and direction
Dosage must be individualized based on patient weight, transplant type, and therapeutic drug monitoring. For transplant patients, initial oral doses typically range from 8-15 mg/kg/day, divided into two doses, administered 12 hours apart. Dosage adjustments should be guided by cyclosporine blood concentration monitoring, with target trough levels varying according to transplant type and time post-transplantation. The medication should be taken consistently with regard to meals, preferably at the same times each day. Capsules should be swallowed whole with water and not opened or chewed. Regular blood tests are essential to maintain therapeutic levels while minimizing toxicity.
Precautions
Patients require continuous medical supervision throughout treatment. Regular monitoring of cyclosporine blood levels, renal function, liver enzymes, and blood pressure is mandatory. Blood lipid levels should be monitored periodically due to potential hyperlipidemia. Patients should be advised about increased susceptibility to infections and possible development of lymphoproliferative disorders. Vaccinations may be less effective during therapy, and live vaccines should be avoided. Potassium levels should be monitored, particularly in patients with renal dysfunction or those taking potassium-sparing diuretics. Pregnancy testing should be performed before initiation in women of childbearing potential.
Contraindications
Neoral is contraindicated in patients with hypersensitivity to cyclosporine or any component of the formulation. It should not be used concurrently with PUVA or UVB therapy in psoriasis patients due to increased risk of skin malignancies. Concomitant administration with strong CYP3A4 inhibitors or inducers that cannot be discontinued is contraindicated. The medication is contraindicated in patients with abnormal renal function, uncontrolled hypertension, or malignancies except skin cancer. Patients with severe infections should not initiate therapy until the infection is controlled.
Possible side effects
Common adverse reactions include renal dysfunction (25-38%), hypertension (13-53%), tremor (12-21%), hirsutism (21-45%), and gum hyperplasia (4-16%). Gastrointestinal disturbances such as nausea, vomiting, and diarrhea occur in approximately 10-15% of patients. Neurological effects including headaches, paresthesia, and convulsions have been reported. Metabolic abnormalities may include hyperkalemia, hypomagnesemia, and hyperuricemia. Hepatic enzyme elevations occur in approximately 4-7% of patients. Increased risk of infections and malignancies represents significant concerns with long-term therapy.
Drug interaction
Neoral interacts extensively with medications that affect CYP3A4 metabolism. Strong inhibitors including ketoconazole, fluconazole, and clarithromycin can significantly increase cyclosporine levels. Inducers such as rifampin, phenytoin, and St. John’s wort may substantially decrease levels. Nephrotoxic agents including aminoglycosides, NSAIDs, and amphotericin B may enhance renal toxicity. Potassium-sparing diuretics and ACE inhibitors may increase hyperkalemia risk. Grapefruit juice inhibits CYP3A4 metabolism and should be avoided. All concomitant medications require careful review and potential dosage adjustments.
Missed dose
If a dose is missed, it should be taken as soon as remembered unless it is nearly time for the next scheduled dose. In that case, the missed dose should be skipped and the regular dosing schedule resumed. Patients should never double the dose to make up for a missed administration. Consistent timing of doses is critical for maintaining stable blood concentrations. Patients should contact their healthcare provider if multiple doses are missed or if unsure about how to handle missed doses. Documentation of missed doses should be maintained for discussion during follow-up visits.
Overdose
Cyclosporine overdose may manifest as elevated serum creatinine, hepatotoxicity, headache, nausea, vomiting, and lethargy. In severe cases, overdose can lead to serious renal impairment, seizures, and cardiovascular complications. Management involves immediate medical attention with supportive care and symptomatic treatment. Gastric lavage may be considered if administered soon after ingestion. Since cyclosporine is extensively protein-bound and has a large volume of distribution, dialysis is not effective. Enhanced elimination techniques have limited utility, making prevention through careful dosing and monitoring paramount.
Storage
Store at room temperature between 15-30°C (59-86°F) in the original container. Protect from moisture and excessive heat. Keep the container tightly closed and away from direct light. Do not freeze. Keep out of reach of children and pets. Do not transfer capsules to other containers. Check expiration date before administration and properly dispose of expired medication. Do not store in bathroom cabinets where humidity levels may fluctuate. Return unused medication to pharmacy for proper disposal.
Disclaimer
This information provides a comprehensive overview but does not replace professional medical advice, diagnosis, or treatment. Always consult qualified healthcare providers regarding any questions about medical conditions or medications. Never disregard professional medical advice or delay seeking it based on information contained herein. Individual patient responses may vary, and therapeutic decisions should be based on clinical judgment and appropriate monitoring. The manufacturer provides complete prescribing information that should be reviewed before initiating therapy.
Reviews
Clinical studies demonstrate Neoral’s efficacy in preventing rejection, with one-year kidney graft survival rates exceeding 90% in controlled trials. Physicians report improved pharmacokinetic predictability compared to sandimmune, allowing for better dose optimization. Patients note the convenience of twice-daily dosing but report variable experiences with side effects, particularly regarding cosmetic effects like hirsutism and gum hyperplasia. Long-term data supports maintained efficacy with appropriate monitoring, though renal function preservation remains an ongoing consideration. The microemulsion technology receives consistent praise for its absorption reliability across diverse patient populations.