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Stereotactic radiotherapy combined with ranibizumab for neovascular age-related macular degeneration shows potential cost benefitsRadiotherapy Shows Potential Cost Savings for Macular Degeneration Patients

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Key Takeaway
Note that stereotactic radiotherapy combined with ranibizumab may reduce healthcare costs for neovascular AMD patients.

The trial investigated the impact of stereotactic radiotherapy (SRT) combined with ranibizumab for patients with chronic active neovascular age-related macular degeneration. The study specifically examined the relationship between vision-specific quality of life measures and visual acuity outcomes, while also performing a cost-effectiveness analysis over a four year period.

Findings indicated that participants reporting specific vision problems had notably worse scores on quality of life scales compared to those without such reports. While there was a positive correlation between visual acuity and certain utility scores, the study noted that the vision bolt-on may not be sufficiently responsive to visual acuity decline in trials where only one eye is treated. Economic modeling suggested that SRT could reduce healthcare costs over a four year horizon.

The authors note limitations regarding the sensitivity of specific quality of life tools in single-eye treatment scenarios. Clinically, while the combination therapy shows potential for cost reduction and improved patient reporting, the impact on long-term clinical outcomes remains to be fully established. These findings suggest that while SRT may offer economic advantages, its role in standard care requires careful consideration of available assessment tools.

Researchers studied 411 people with a condition called neovascular age-related macular degeneration. The study looked at the effects of combining 16-Gray Stereotactic Radiotherapy (SRT) with standard medication over a four-year period. They specifically looked at how patients felt about their vision and the costs involved in their care.

The results showed that patients who reported specific vision problems had lower scores on quality of life measures compared to those who did not. While some measurements showed a link between better vision and higher quality of life, other metrics like quality-adjusted life years did not show significant differences between groups.

From an economic standpoint, the study estimated that using SRT could reduce healthcare costs by about £404 per patient over four years. There is a 65% probability that this treatment combination is cost-effective based on specific financial thresholds. Because of limitations in how some tools measure vision in single-eye treatments, these findings are intended to help understand patient experience and costs rather than provide immediate changes to standard care.

What this means for you:
Radiotherapy combined with medication may lower costs and help track quality of life for macular degeneration patients.

Common questions

How much could this treatment reduce costs?

The study estimated that using Stereotactic Radiotherapy (SRT) could reduce healthcare costs by approximately £404 per patient over a four-year period. There is a 65% probability that this combination of SRT and anti-VEGF medication is cost-effective based on specific economic thresholds.

How does the treatment affect quality of life?

The study found that patients who reported vision problems had significantly lower scores on quality of life measures. While some metrics showed a link between better visual acuity and higher utility, other measurements like quality-adjusted life years did not show significant differences between groups.

What are the limitations of this study?

One limitation noted is that certain tools used to measure vision might not be sensitive enough to detect declines in cases where only one eye is treated. Because of these complexities, you should discuss your specific treatment plan and options with your doctor.

Study Details

Study typeRct
EvidenceLevel 2
PublishedJul 2026
View Original Abstract ↓
BACKGROUND: The UK STAR trial [Stereotactic Radiotherapy (SRT) for neovascular age-related macular degeneration (nAMD)] compared 16-Gray SRT (n = 274) with double-masked sham SRT (n = 137) in participants with chronic active nAMD. SRT reduced intravitreal anti-vascular endothelial growth factor (VEGF) re-treatments over two years of pro re nata ranibizumab, followed by two years of routine care. However, this resulted in worse best-corrected visual acuity (BCVA) in Years 3 and 4. This paper describes: associations between the EQ-5D vision bolt-on and visual acuity and patient-reported outcome measures; the impact of SRT on utilities with and without vision bolt-on; how the vision bolt-on affects the cost-effectiveness of SRT plus anti-VEGF versus anti-VEGF alone. METHODS: Using data from the entire STAR trial cohort, we compared mean BCVA, EQ-5D-5L, and Visual Function Questionnaire-25 (VFQ-25) scores across the three levels of the EQ-5D vision bolt-on. We examined the relationship between BCVA and EQ-5D (with/without the bolt-on) and VFQ-25. An economic evaluation estimated the cost-effectiveness of SRT from a UK national health service perspective over two years and over four years. This used prospective data on EQ-5D-5L and eye-related direct healthcare use. RESULTS: Participants reporting vision problems on the bolt-on had significantly worse BCVA, EQ-5D-5L, and VFQ-25 scores than those who did not. EQ-5D utilities (with and without the bolt-on) increased with BCVA but showed weaker correlations than VFQ-25 composite scores. Quality-adjusted life years (QALYs) did not differ significantly between treatment groups, with or without the bolt-on. The economic evaluation suggested SRT would reduce healthcare costs by £404 (95% CI: -£1282 to £2092) per patient at a four-year time horizon. The probability of SRT plus anti-VEGF being cost-effective at a £20,000 per QALY threshold was 65% at a four-year time horizon. Sensitivity analyses confirmed the robustness of incorporating the vision bolt-on did not alter the cost-effectiveness conclusion. CONCLUSIONS: Resource use data from the trial and routine follow-up could be used for future economic models. The vision bolt-on captured quality of life differences between participants but may not be sufficiently responsive to visual acuity decline in trials where only one eye is treated. TRIAL REGISTRATION: ISRCTN12884465, registration date 01/12/2014.
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