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The four types of eSource

Written by Jon Carter, Product Manager
23 Dec 2019

eSource means different things to different people. You may have never even heard of it, so this is the first in a series of posts which aim to unlock what eSource is.

When I ask “What does eSource mean to you?”, I receive many different answers, and quite often they weren’t what I had expected.

Perhaps we should start by reminding ourselves of the current method for collecting and managing data in clinical trials. Most trials use EDC (Electronic Data Capture), where data is collected elsewhere, then transcribed into an EDC system. That data could be initially collected on paper source, or electronically into a site’s EHR system.

“Doing eSource” is a mixture of removing the need for paper source, and also utilizing the data that is already collected and stored electronically. This means we can split eSource into four different categories. Over the course of the next few posts, we will look into each of these categories in some detail.

These four categories boil down to:

Direct Data Capture: Where data is entered directly into the eCRF instead of onto paper or into the site’s EHR.

Electronic Health Records: Many sites already collect lots of data in their EHR system, so can we pull this data directly into the eCRF or EDC system rather than through manual transcription.

Devices and Apps: Electronic source data is also collected from eCOA/ePRO, eConsent, wearable sensors etc.

Non-CRF: Data from other sources, such as Central Labs, Imaging, ECG

What I’m trying to convey is that there is not a single eSource type or system. There are vendors who may market their systems as offering eSource capability, but they typically only mean eSource as Direct Data Capture. But Direct Data Capture is not a full eSource solution. For example, when entering a patient’s medical history into the eCRF, it must have been transcribed from source elsewhere. What if we could automate and utilize the electronic source of THAT data as well?

Imagine the benefits of being able to manage all data, from all sources, together in one system? We believe encapsia is the answer.


Last 3 posts

Question: Your webinar presentation earlier this week was quite provocative. Could you tell us a bit more about your background? TCC: I started writing software and building computers from scratch from a very early age. My father and I ran an educational software company when I was a teenager, and then I went on to read Engineering and Computer Science at Oxford, capping this with a DPhil in AI before co-founding Cmed Technology - a lifetime writing, designing and creating enterprise platforms with a specialism and passion for the clinical trial space.
Cmed Technology announced today the encapsia Home Visit app is now available to capture and manage clinical trial data from patients at home or in the community. The app works seamlessly with all the other encapsia apps, including web EDC (Entry app) and direct data capture (esource app) to provide tremendous flexibility in the choice of data capture methods both before and during a study. This helps maintain patient participation and clinical data flow which is particularly compelling to minimize disruption during the COVID-19 pandemic as well as in the new landscape for clinical trials that is expected to follow.
The global COVID-19 crisis has fundamentally impacted the way we live our lives as well as the operation of the entire drug development community. During the early stages of the pandemic the Cmed leadership team has implemented a number of measures to ensure the safety of our employees, clients and partners, as well as ensuring the continued delivery of our CRO services and our encapsia clinical data system. Our goal has been to minimise the impact of COVID-19 on our business, our clients, investigator sites and patients.