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Vutrisiran / amvuttra for treating hereditary transthyretin-related amyloidosis

As of February 2023, MARA’s assessment finds Vutrisiran’s reimbursement risk concentrated in quality of life, with cost effectiveness a strength; the current MARA Rating and full rationale are available in the report.

The assessment also weighs safety and adverse effects: what harms arrive alongside the benefit, which payers set against the gains before funding a treatment. 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

The evidence indicates that vutrisiran works as well as patisiran, which is already recommended for treating hereditary transthyretin-related amyloidosis. This suggests a clear clinical advantage, although the evidence is based on an indirect comparison rather than direct head-to-head trials.

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

The economic model suggests that vutrisiran is likely to be cost-saving compared to patisiran, especially when considering administration costs and the number of vials used. This indicates a clear cost-effective profile under common thresholds.

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

The document does not provide specific data on HRQoL improvements associated with vutrisiran. While it is implied that the treatment is effective, the absence of validated tools or substantial evidence on quality of life impacts leads to a rating of minimal or mixed impact.

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

The safety profile of vutrisiran is acceptable, with no significant concerns raised in the document. The treatment is administered subcutaneously, which may offer a better tolerability profile compared to intravenous alternatives.

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

Vutrisiran was compared to patisiran, which is the current standard of care. This direct relevance to existing treatment options supports a strong rating, although the comparison was indirect.

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

The trial population appears to be representative of adults with hereditary transthyretin-related amyloidosis, specifically those with stage 1 or stage 2 polyneuropathy. However, there is limited information on subgroup analyses.

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

Vutrisiran can be integrated into existing care pathways with minor adjustments, as it is administered subcutaneously rather than intravenously. This suggests a manageable integration process.

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

The document indicates that vutrisiran is likely to be cost-saving when considering administration costs and the number of vials used. This suggests a notable but justifiable cost burden with proportional benefits.

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

The evidence is based on clinical trials and indirect comparisons, which are generally robust. However, the reliance on indirect comparisons introduces some methodological concerns.

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

While there are some uncertainties regarding the economic model and the number of vials used in practice, the overall context supports a manageable level of uncertainty, particularly given the unmet need in this patient population.

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