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Selpercatinib / retsevmo for untreated RET fusion-positive advanced non-small-cell lung cancer

As of July 2023, MARA’s assessment finds Selpercatinib’s reimbursement risk concentrated in resource use and cost implications, with comparator selection a strength; the current MARA Rating and full rationale are available in the report.

The assessment also weighs clinical effectiveness: how much additional benefit the drug demonstrated over the care patients already receive — the first question every payer asks. The strength recorded in comparator selection carries weight because that domain asks 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.

Oncology

This rating sits within MARA’s Oncology coverage, alongside 153 other independently assessed treatments in the same area.

What payers will ask

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

The evidence from the LIBRETTO-001 trial suggests that selpercatinib could be clinically effective for untreated RET fusion-positive advanced NSCLC, with an objective response rate of 84% and a median progression-free survival of 22 months. However, the results are uncertain due to the trial’s ongoing nature and the lack of direct comparisons with standard treatments, which limits the robustness of the evidence.

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

The cost-effectiveness estimates for selpercatinib are uncertain and likely higher than what NICE considers cost-effective. The committee noted that while selpercatinib could be cost-effective with more evidence, the current estimates do not support routine use without further data.

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

The clinical experts indicated that targeted treatments like selpercatinib are associated with higher quality of life compared to systemic chemotherapy. This suggests a moderate improvement in HRQoL, although specific validated tools were not mentioned in the document.

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

Selpercatinib has a very good safety profile with mostly mild or moderate adverse events. The clinical experts noted that it is better tolerated than current systemic chemotherapy options, which supports a strong tolerability rating.

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

The comparators selected for the evaluation were aligned with current Healthcare practice and included relevant standard treatments for RET fusion-positive advanced NSCLC, which supports a strong rating for comparator selection.

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

The trial population is considered broadly representative of the intended patient population, although there are some concerns regarding the inclusion of squamous NSCLC patients. Overall, the core population is well covered.

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

Selpercatinib can be integrated into existing treatment pathways with minor adjustments, as it is an oral medication that can be taken at home, which is a significant advantage over intravenous treatments.

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

The resource implications of selpercatinib are notable, particularly due to the costs associated with genetic testing for RET fusion status and the overall treatment costs. The committee expressed concerns about the high resource burden.

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

The evidence base is primarily derived from a single-arm trial, which introduces uncertainty. While there are ongoing studies that may provide additional data, the current evidence has gaps and biases that require further validation.

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

There are significant uncertainties regarding the long-term effectiveness and cost-effectiveness of selpercatinib, particularly due to the immaturity of the trial data and the reliance on indirect comparisons. This raises concerns about its broader impacts.

Be alerted when this rating changes:

Sample two-page MARA Rating report for the fictional drug Samplinib: the rating with its decision record, and the ten graded payer questions with the reasoning behind each
Every MARA rating is delivered as a two-page reasoned report (sample, fictional product) — see it in full
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