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Eplontersen for treating hereditary transthyretin-related amyloidosis

As of November 2024, MARA’s assessment finds Eplontersen’s reimbursement risk concentrated in evidence quality and robustness, with cost effectiveness a strength; the current MARA Rating and full rationale are available in the report.

The assessment also weighs comparator selection: whether the drug was tested against the treatment payers actually fund today; a benefit shown against the wrong comparator carries little weight in a reimbursement decision. The strength recorded in cost effectiveness carries weight because that domain asks whether the price asked stands in a defensible relationship to the benefit delivered — the core of most European reimbursement decisions.

Neurology

This rating sits within MARA’s Neurology coverage, alongside 61 other independently assessed treatments in the same area.

What payers will ask

Is the clinical benefit the kind payers reward? — Clinical effectiveness

Eplontersen demonstrates moderate clinical effectiveness, showing improvement over placebo in lowering transthyretin levels and delaying the progression of polyneuropathy. However, the lack of direct comparison with the primary competitor, vutrisiran, limits the strength of the evidence.

Does the economic case hold at the expected price? — Cost effectiveness

Eplontersen is indicated as cost-saving compared to vutrisiran, which supports its economic value. The cost comparison takes into account administration costs and pricing, indicating a favorable cost-effectiveness profile.

Is there quality-of-life evidence payers weigh? — Quality of life

The document does not provide specific data on HRQoL improvements associated with eplontersen. While it mentions clinical effectiveness, there is no evidence of significant or sustained improvements in quality of life metrics.

Does the safety profile hold up for payers? — Safety and Adverse Effects

The safety profile of eplontersen is implied to be acceptable, with no significant adverse events reported in the context of its use compared to existing treatments. However, specific adverse effects data are not detailed in the document.

Was the drug compared against what payers expect? — Comparator Selection

The document indicates that eplontersen has not been directly compared with vutrisiran, which is a significant limitation. The reliance on indirect comparisons raises concerns about the robustness of the evidence.

Is the population defined the way payers need it? — Patient Population and Subgroups

The patient population for eplontersen is well-defined, focusing on adults with stage 1 or 2 polyneuropathy due to hereditary transthyretin-related amyloidosis. This specificity supports the generalizability of the findings.

Does the drug fit how care is delivered and paid for? — Care Pathway Integration

Eplontersen can be self-administered at home, which facilitates its integration into existing care pathways. This aspect is a significant advantage over treatments requiring more complex administration.

Are the wider system costs understood? — Resource Use and Cost Implications

The document suggests that eplontersen has a manageable budget impact due to its cost-saving nature compared to alternatives. However, the overall resource implications are not extensively detailed.

Would the evidence survive payer scrutiny? — Evidence Quality and Robustness

While the evidence from clinical trials shows effectiveness, the absence of direct comparisons and reliance on indirect evidence introduces some uncertainty regarding the robustness of the findings.

How exposed is the case to uncertainty? — Uncertainty, Sensitivity, and Broader Impacts

The document indicates a favorable context for eplontersen’s use, with manageable uncertainties regarding its effectiveness and cost. The recommendations reflect a supportive societal context for its adoption.

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