Important Financial Guide: How Patients Navigate Enzyme Replacement Therapy Approvals

Enzyme replacement therapies (ERTs) like Strensiq® offer life-changing benefits for people with rare genetic disorders, but navigating the financial and insurance hurdles can feel overwhelming. This guide breaks down key steps, cost considerations, and resources for Strensiq cost and insurance coverage assistance—so you can focus on your health, not paperwork.

1. Why Strensiq Therapy Matters

Strensiq (asfotase alfa) treats hypophosphatasia, a rare metabolic condition. By replacing a missing enzyme, it:

• Improves bone mineralization
• Reduces pain and fractures
• Enhances mobility and quality of life

Because it’s a specialized biologic, Strensiq’s list price can exceed $500,000 per year. However, most patients pay far less with insurance and financial assistance.

2. Understanding Strensiq Cost and Insurance Coverage Assistance

When you start considering Strensiq, it helps to know:

• List price vs. out-of-pocket
  – The manufacturer’s list price: ~$600,000 annually (varies by dose/weight)
  – Typical patient out-of-pocket: $0–$10,000 yearly, depending on insurance

• Insurance coverage landscape
  – Private commercial plans often require prior authorization
  – Medicare Part B may cover therapy administered in a clinic
  – Medicaid coverage varies by state

• Role of specialty pharmacies
  – Providers like Accredo or BioPlus can handle authorizations, shipping and billing
  – They coordinate with your doctor and insurer on dosing and paperwork

3. Step-by-Step Approval Process

1. Diagnosis and Documentation

   • Confirm hypophosphatasia with blood tests (e.g., low alkaline phosphatase) and genetic analysis
   • Gather medical records detailing symptoms, treatments tried, and test results

2. Physician Prescription & Prior Authorization

   • Your doctor submits a prior authorization (PA) form to your insurer
   • Include: diagnosis codes (ICD-10), lab results, treatment history, and letter of medical necessity

3. Insurance Review

   • Typical timeline: 2–4 weeks
   • Reviewer checks eligibility criteria and may request additional records

4. Approval, Denial, or Request for More Information

   • Approved: Move to financial assistance and pharmacy setup
   • Denied or Incomplete: You can file an appeal or provide extra documentation

5. Appeals Process (if needed)

   • Submit a peer-to-peer review request, letting your physician discuss the case directly with the insurer’s medical director
   • File formal appeal letters within insurer deadlines (usually 30–60 days)

4. Maximizing Insurance Coverage

• Know your plan details

  • Annual deductible, co-insurance (e.g., 20%), out-of-pocket maximum
  • Specialty drug tiers may have higher cost-sharing

• Engage a financial navigator

  • Many hospitals and specialty pharmacies offer free case managers
  • They can track PA status, handle appeals, and coordinate copay assistance

• Coordinate multiple insurance sources

  • Medicare primary, supplemental Medicare Part D, secondary commercial plan
  • Medicaid wraparound can reduce or eliminate out-of-pocket costs

5. Manufacturer and Nonprofit Assistance Programs

Alexion’s Patient Assistance Programs

Alexion Pharmaceuticals (Strensiq’s manufacturer) provides:

• Co-Pay Assistance Card
  – Caps co-pays at $10,000 per year for eligible commercially insured patients
• Patient Assistance Program (PAP)
  – Free medication for those meeting income and insurance criteria

Nonprofit Foundations & Grants

• Hypophosphatasia Foundation
  – Grants for travel, housing, and treatment-related costs
• HealthWell Foundation, Patient Advocate Foundation
  – Financial aid for out-of-pocket costs, premiums, and deductibles

Government Programs

• Medicaid & CHIP
  – Coverage varies by state; some provide full coverage with no cost-share
• Medicare
  – Part B covers infused or injected therapies in clinical settings
  – Part D may cover self-administered doses; review formularies

6. Tips to Streamline Financial Navigation

• Keep a dedicated folder (paper or digital) with:

  • Insurance cards and policy details
  • Prior authorization forms and approval letters
  • Explanation of Benefits (EOB) statements
  • Contacts for your case manager, specialty pharmacy, and foundation

• Set reminders for:

  • PA renewal dates (often annual)
  • Appeal deadlines
  • Tracking co-pay assistance program renewals

• Ask your specialty pharmacy or hospital to assign a financial counselor. They can:

  • Identify grants and co-pay cards you qualify for
  • Help you re-certify for ongoing assistance

7. Avoiding Common Pitfalls

• Delays in submitting documentation
  – Provide lab results and physician notes promptly
• Missing appeal deadlines
  – Mark your calendar as soon as you receive a denial
• Overlooking secondary coverage
  – A secondary policy (e.g., Medicaid) can eliminate residual costs
• Underestimating ongoing paperwork
  – Many programs require annual re-enrollment or income verification

8. Managing Stress and Staying Informed

It’s easy to feel overwhelmed when fighting for insurance approval and financial aid. To stay on top of your health (and paperwork):

• Use a shared calendar or app to track deadlines and appointments
• Lean on your healthcare team: nurses, social workers, and financial navigators
• Connect with patient support groups for tips and encouragement

You might also consider a free, online symptom check, using the doctor approved Ubie Symptom Checker to monitor new or changing symptoms and share results with your care team. (https://ubiehealth.com/)

9. When to Speak to a Doctor

If you experience any of the following, seek medical attention immediately:

• Severe bone pain or swelling
• New fractures or significant loss of mobility
• Signs of infection at injection sites
• Any life-threatening symptoms

Always discuss serious or life-threatening issues with your physician without delay.

10. Final Thoughts

Navigating Strensiq cost and insurance coverage assistance takes persistence and support. By understanding your insurance plan, leveraging manufacturer programs, and tapping into nonprofit resources, you can minimize out-of-pocket expenses and focus on treatment. Keep thorough records, meet deadlines, and enlist a financial navigator to guide you through renewals and appeals. With the right team and tools, accessing enzyme replacement therapy becomes a structured process rather than an endless obstacle.

Remember to speak to a doctor about any serious health concerns—your well-being always comes first.