News Alert:

Carbon Footprint Savings Enabled by Tumour Profiling Test – Digistain

8th August 2023

The Challenge

Our client developed an innovative tumour-grading technology that enables the stratification of patients based on their risk of cancer recurrence, guiding the use of chemotherapy. The client sought to understand the quantitative evidence on the reduction of carbon footprint resulting from decreased patient travel and improved logistics.

Our Approach

An NIHR Patient Travel analysis, identified through the literature review, allowed us to quantify average CO2 emissions from a patient’s travel to the hospital. Our team constructed a CO2 Emission Saving model based on the original Budget Impact Analysis of the innovation. In this model, we assigned specific levels of CO2 emissions to each health state represented in the Markov

Model, accounting for the number of hospital appointments required for each state. Furthermore, the evaluation considered the CO2 emissions associated with the logistics, transportation, and storage conditions of tumour samples for the tumour profiling testing. We quantified the cumulative CO2 emissions savings over a 5-year period.


CO2 Emission Saving Analysis forecasts statistically significant potential CO2 savings cumulative over 5 years once the innovation is implemented as a substitute to the current care. A fully interactive model allowed the innovator to explore the results from different scenarios. We formulated recommendations for future studies on the data collection and verification of current assumptions.


“This modelling work completed by Health Tech Enterprise has helped us show the positive impact our innovation has in supporting the NHS Net Zero commitments.” Hemmel Amrania, CEO of Digistain


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