Primary Risk Drivers
Below is a snapshot of domains that materially influence the MARA Rating.
Clinical effectiveness
Axicabtagene ciloleucel shows moderate benefit over standard care, as it increases survival compared to standard treatment for relapsed or refractory diffuse large B-cell lymphoma. However, the ongoing nature of the ZUMA-7 trial introduces uncertainty regarding the extent of this benefit, as the trial is not yet complete and adjustments for standard care practices in the Healthcare were not fully accounted for.
Cost effectiveness
The cost-effectiveness estimates for axicabtagene ciloleucel are above the lower end of the acceptable range for end-of-life treatments, indicating low cost-effectiveness. The committee noted that while the treatment has potential, the uncertainties in the cost-effectiveness model prevent it from being recommended for routine use.
Quality of life
The document indicates that while there are significant adverse events associated with axicabtagene ciloleucel, such as cytokine release syndrome and neurotoxicity, there is no clear evidence presented regarding improvements in HRQoL. The potential benefits of the treatment are acknowledged, but the lack of robust data on quality of life outcomes limits the rating.
Supporting Domains
Safety and Adverse Effects
Axicabtagene ciloleucel has an acceptable safety profile, with manageable adverse events. While serious adverse events such as CRS and ICANS are noted, the overall tolerability is considered acceptable, especially when compared to the risks associated with standard care.
Comparator Selection
The treatment was compared against standard care, which includes salvage chemotherapy and autologous stem cell transplant. This is appropriate as it reflects current clinical practice for the target population, ensuring relevance in the assessment.
Patient Population and Subgroups
The trial population is moderately representative of the intended patient population, focusing on adults with relapsed or refractory DLBCL who are eligible for autologous stem cell transplant. However, there are concerns regarding the exclusion of patients who cannot tolerate transplant, which limits generalizability.
Care Pathway Integration
Axicabtagene ciloleucel can be integrated into existing care pathways with some adjustments, particularly in monitoring and management of adverse effects. The treatment does not require extensive new infrastructure, making it a feasible option within current systems.
Resource Use and Cost Implications
The resource implications of axicabtagene ciloleucel are significant, particularly due to the costs associated with its administration and management of adverse events. While the treatment is potentially cost-effective, the high resource burden raises concerns about its affordability at scale.
Evidence Quality and Robustness
The evidence base is supported by a Phase 3 trial (ZUMA-7), which provides a strong foundation for the assessment. However, the ongoing nature of the trial and the uncertainties regarding long-term outcomes introduce some limitations.
Uncertainty, Sensitivity, and Broader Impacts
There is a high level of uncertainty surrounding the long-term survival benefits and cost-effectiveness of axicabtagene ciloleucel due to the ongoing trial and the lack of generalizability to Healthcare practice. This uncertainty may restrict its use until further data is available.
