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Oncology

Zercepac

Generic: trastuzumab-myl

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Eligibility Criteria

Insurance Requirement

See program details

Residency

US residency required

Program Information

Processing Time

2–4 weeks

Delivery Method

Varies by program

Application Method

Online

Indicated For

HER2+ breast cancer, gastric cancer

About This Medication

# Zercepac (trastuzumab-myl) Patient Guide: How to Get Zercepac at Low or No Cost Zercepac (trastuzumab-myl) is a biosimilar to Herceptin, used to treat HER2-positive breast cancer and gastric cancer. While specific patient assistance programs for Zercepac are not detailed in available sources, similar programs from manufacturers like Genentech (for Herceptin) and Pfizer (for Trazimera) offer co-pay assistance and free medicine options for eligible patients, which may apply or guide access to Zercepac through pharmacies or providers[1][2][6]. ## About Zercepac **Zercepac** is an injectable biosimilar version of trastuzumab, targeting HER2-positive cancers. It works by binding to HER2 receptors on cancer cells, inhibiting growth and marking them for immune destruction. Administered every 1-3 weeks intravenously or subcutaneously in some formulations, it's prescribed for early or metastatic breast cancer and gastric cancer. As a biosimilar, it has no clinically meaningful differences from the reference product Herceptin, potentially offering cost savings[1][3]. Common side effects include infusion reactions, heart dysfunction, and fatigue—discuss risks with your doctor. ## Who Qualifies? Eligibility varies by program type: - **Co-pay Assistance**: For patients with **commercial (private) insurance**, not government programs like Medicare, Medicaid, or VA. Programs like Genentech Oncology Co-pay Assistance or Pfizer's Co-Pay Program reduce out-of-pocket costs to $0 per treatment, up to annual limits (e.g., $25,000 for Trazimera)[1][6]. - **Free Medicine**: For uninsured or financially needy patients via foundations like Genentech Patient Foundation. Requires proof of financial hardship and no insurance[2][8]. - **Public Insurance**: Referrals to independent foundations for Medicare/Medicaid patients[2][5]. ## Income Eligibility Breakdown Most co-pay programs have **no income requirements**[6]. Free medicine programs assess based on Federal Poverty Level (FPL), though exact thresholds for Zercepac are unavailable. Use this general table for similar trastuzumab programs (adapt for your situation; call for specifics): | Household Size | Income Threshold (e.g., ~400-500% FPL, estimated) | Notes | |---------------|---------------------------------------------------|-------| | Individual | Up to ~$60,000/year | Varies; financial need proof required for free meds[2][8] | | Couple | Up to ~$80,000/year | No income limits for co-pay if commercially insured[1][6] | | Family of 3 | Up to ~$100,000/year | Foundations evaluate case-by-case | | Family of 4 | Up to ~$120,000/year | Excludes government insurance | *Table based on typical oncology assistance; confirm with provider as Zercepac-specific details unavailable.*[1][2][6] ## Insurance Requirements - **Commercial Insurance**: Eligible for co-pay help; program covers co-pays/coinsurance for the drug only (not office visits or other meds). Invalid if fully covered by insurance or prohibited by plan[1][3][6]. - **Government Insurance (Medicare, Medicaid, etc.)**: Ineligible for manufacturer co-pay programs; seek independent foundations via referrals[1][2][5]. - **Uninsured**: Qualify for free medicine if financially eligible[8]. Report program use to your insurer as required[1]. ## Step-by-Step Application 1. **Check Eligibility**: Use online financial tools (e.g., Genentech's tool) or call support lines like 888-249-4918 (Genentech, Mon-Fri 6AM-5PM PST) or Pfizer Oncology Together for biosimilars[1][7]. 2. **Gather Documents**: Prescription, proof of insurance (or lack thereof), income proof (tax returns, pay stubs for free programs), doctor's note[1][4]. 3. **Enroll**: Online at copay sites (e.g., PfizerCoPay.com) or by phone. For Herceptin-like, start with Access Solutions[2][6]. 4. **Submit**: Pharmacy/doctor submits claims; retroactive up to 180-365 days[1]. 5. **Track**: Receive confirmation; benefits reset annually (e.g., Jan 1)[4]. For Zercepac, contact your pharmacy or manufacturer (likely Amneal or distributor) for exact process, as it's a biosimilar. ## Timeline and Delivery - **Processing**: Immediate at participating pharmacies for co-pay cards; foundation apps take 2-4 weeks[1][7]. - **Delivery**: Drug provided via your doctor's office, hospital, or pharmacy. Co-pay assistance applies at point-of-service[1][6]. Claims valid 365 days from service[1]. ## Alternatives if Denied - **Biosimilar Options**: Switch to assisted products like **Herceptin (Genentech)**, **Trazimera (Pfizer)**, **Herceptin Hylecta**, **Ogivri**, or **Kanjinti**—many have similar co-pay/free programs[1][6]. - **Foundations**: Patient Access Network (PAN), HealthWell, or CancerCare for copay grants. - **State Programs**: Check Medicaid or 340B clinics. - **Appeal**: Resubmit with more docs or contact support[2][5]. ## Disclaimer This guide provides general info based on similar trastuzumab programs as of available data. **Zercepac-specific details may differ**—always verify with your healthcare provider, pharmacist, or manufacturer. Programs change; eligibility not guaranteed. Not medical/financial advice. Consult professionals for personalized guidance. Benefits may be taxable; report as required[1][6]. (Word count: 942)

Program information last verified: March 30, 2026

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