#ZimStartup: Dr CadX Founder Ready for Seedstars Global Finals

Dr CadX founder Gift Gana is geared up for the Seedstars Startup Global Finals scheduled for April in Switzerland.  His project CadX emerged victorious at the Harare leg of the Seedstars World competition last year.

Dr CADx is set to pitch at the global summit in Switzerland  where they will compete to win up to $1 million in equity.

In an interview with TechnoMag, Gana said he is ready for the finals.

“Each day makes is more ready,” he said.


Screenshot of Dr CadX website

CADx is a computer aided diagnostic system to help doctors diagnose medical images more accurately and save lives.
The software developers use state of the art deep neural networks to develop algorithms that can interpret medical images with an accuracy that’s comparable or even exceeds that of radiologists at a much lower cost.

The company’s diagnostic system uses a deep neural network, which a software that simulates how the human brain works in seeing and perceiving images and the patterns and features contained therein.
“The process of training Dr CADx involves supplying it with a large set of medical images that have been classified by expert radiologists. The system analyses the images and automatically learns the features in the images that are characteristic of each particular disease,” he said.

“After training, Dr CADx can then be given a new image that it will analyse and be able to tell with confidence whether or not it shows signs of any of the diseases it has been trained for.”

Dr CADx is intended for use by medical professionals, who will use it on computers and tablets that doctors already use to view medical images.
“So say you are having chest pains and you go see your doctor. He will order an X-ray to be taken and the digital image transferred from the X-ray machine to the doctor’s PC,” Gana said.
“From within Dr CADx the doctor simply selects the type of analysis they want to make, uploads the image to Dr CADx servers in the cloud, and after a few seconds gets the diagnosis results.”
It sounds simple, but Dr CADx is solving a serious problem. There is a serious scarcity of radiologists, especially in developing countries. In Dr CADx’s home country of Zimbabwe there is one radiologist to every 940,000 people.

“None of these work in the public hospitals that serve the majority of the population, and this scenario is the same across many African countries. Some don’t have a single radiologist,” Gana said.
“Because radiologists are human they are not 100 per cent perfect, and thus have a diagnostic accuracy averaging 70 per cent. As a result patients fail to get the right treatment on time, resulting in undue suffering and even death.”

Automating the diagnosis process using data and the cloud will improve these outcomes and increase access to expert healthcare. Dr CADx, however, has been heavily bootstrapped thus far and needs to raise money in order to continue development.
“We are planning to start the trials phase in the second half of 2017 and then launch at the end of 2018,” Gana said.
“In September 2016 our prototype achieved an accuracy of 82 per cent in distinguishing between chest X-rays of healthy people from X-rays of patients with TB and those with lung cancer.”
In the meantime, Dr CADx is currently talking to radiologists and the Ministry of Health in Zimbabwe to form partnerships, through which the partners will provide the necessary data and the startup will develop the algorithms.
“These will eventually be also our testing partners when we reach the trials phase, and eventually be our first customers. We plan to extend those partnerships in the coming year to a South Africa and Europe,” Gana said.
“Our revenue model will be based on delivering as Software-as-a-Service (SaaS) and billing hospitals and medical imaging centers per scan. Our projected pricing is US$1 per scan.

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