Osmolex ER

Indicated For

Parkinson's disease, drug-induced extrapyramidal reactions

About This Medication

# Supernus Pharmaceuticals Patient Assistance Program Guide: How to Get Osmolex ER at Low or No Cost Osmolex ER (amantadine extended-release) is a prescription medication used to treat Parkinson's disease and drug-induced extrapyramidal reactions in adults. This guide explains how to access financial assistance through Supernus Pharmaceuticals' patient assistance program (PAP), though specific details like income limits are not publicly detailed in available resources. ## About Osmolex ER **Osmolex ER** is an extended-release form of amantadine, a noncompetitive NMDA receptor antagonist. It helps manage symptoms of **Parkinson's disease** (PD), such as dyskinesia (involuntary movements) and "off" episodes when medications wear off too quickly. It's also indicated for drug-induced extrapyramidal reactions, like those from antipsychotics.[2][4][5] Unlike immediate-release amantadine, Osmolex ER is taken once daily in the morning, starting at 129 mg, with possible increases up to 322 mg. It's not interchangeable with other amantadine products like Gocovri, and dosing must be adjusted for kidney issues—it's contraindicated in end-stage renal disease.[4][8] Common side effects include dizziness, dry mouth, and hallucinations. Always consult your doctor for personalized advice. ## Who Qualifies for the Program? Supernus Pharmaceuticals, the manufacturer of Osmolex ER, offers a patient assistance program to help uninsured or underinsured patients get the medication at low or no cost. Qualification typically requires: - A valid prescription for Osmolex ER. - U.S. residency. - Demonstrating financial need, often based on income relative to the Federal Poverty Level (FPL). However, specific eligibility criteria such as exact **income thresholds** are not detailed in current public sources. Programs like this generally target patients below 400-500% of the FPL, but contact Supernus directly for confirmation.[1] ## Income Eligibility Breakdown Without precise data from Supernus, here's a general table of common PAP income thresholds (as % of 2026 FPL; actual amounts vary annually). Always verify with the manufacturer. | Household Size | Estimated Annual Income Limit (e.g., 400% FPL) | Notes | |---------------|-----------------------------------------------|-------| | 1 (Individual) | ~$60,000 | Approximate; subject to change | | 2 (Couple) | ~$81,000 | Includes dependents | | 3 | ~$102,000 | Verify exact FPL multiple | | 4 | ~$123,000 | Larger families may qualify higher | *Table based on typical PAP structures; not specific to Supernus. Call for details.*[1] ## Insurance Requirements Most PAPs, including Supernus', require you to be uninsured or have insurance that doesn't cover Osmolex ER fully (e.g., high copays after denial). Medicare patients may face challenges, as coverage varies by plan—GoodRx notes costs depend on your Medicare stage (deductible, initial, gap, or catastrophic).[3] Prior authorizations are common for insurance; insurers often require proof of failure on immediate-release amantadine first.[2][4][5][7][8] If insured, exhaust coverage options or get a denial letter before applying to PAP. ## Step-by-Step Application Process 1. **Get a Prescription**: Ask your doctor for Osmolex ER and discuss if immediate-release amantadine was tried (often required).[1][8] 2. **Gather Documents**: Prepare proof of income (tax returns, pay stubs), prescription, proof of residency, and insurance denial (if applicable). Interactive PDF forms are available via RxAssist.[1] 3. **Contact Supernus**: Call the application phone (details via RxAssist or Supernus support) or download forms online. No specific URL listed, but start at rxassist.org.[1] 4. **Submit Application**: Mail or fax the completed form with documents. Your doctor may need to sign. 5. **Follow Up**: Track status by phone. Processing time varies but expect 2-4 weeks typically. ## Timeline and Delivery - **Processing**: 2-6 weeks, depending on completeness.[1] - **Approval Duration**: If approved, medication ships directly to you or your pharmacy. Refills may need reauthorization.[5] - **Delivery**: Free shipping via mail-order, often in 30-day supplies matching quantity limits (e.g., 30 tablets).[2] ## Alternatives if Denied - **PAN Foundation**: Offers grants up to $4,400/year for Parkinson's copays.[6] - **GoodRx/SingleCare**: Discount cards for cash pay. - **Immediate-Release Amantadine**: Cheaper generic alternative; insurers prefer it first.[4][8] - **Other PAPs**: Check NeedyMeds or RxAssist for similar programs. - **Appeal**: Resubmit with more documentation or doctor letter. ## Disclaimer This guide is for informational purposes only and based on publicly available data as of 2026. Patient assistance programs change frequently—**always contact Supernus Pharmaceuticals directly** for the latest details. Not medical advice; consult your healthcare provider. Eligibility not guaranteed.

Program information last verified: March 30, 2026