Technology transforming the transplantation process

Several solutions have been proposed to shorten the waiting time for transplant patients and make more organs available, including a move from explicit to presumed consent (a new opt-out system). How can technology facilitate the organ transplantation process and help save people’s lives?

December 14, 2023

Thomas Amrein

CFA, Senior Portfolio Manager

Key takeaways

Due to scarcity, not enough donor organs are available for patients qualified for transplantation. As a result, these patients' health often deteriorates significantly while they are waiting for an organ transplant.

The main reason for the shortage of organs is the fact that too many donated organs go unused, which is costing lives.

A technological breakthrough can significantly increase the utilization of organs available for transplantation, thus enabling patients to get their organ transplant much sooner.

Patients who need an organ transplant usually have to wait long for the live-saving procedure. And time is a luxury they cannot afford. They are put on waiting lists while their health continues to severely deteriorate. Several solutions have been proposed to shorten the waiting time for transplant patients and make more organs available, including a move from explicit to presumed consent (a new opt-out system). Yet, there are still not enough donors or organs viable for donation. 

How can technology facilitate the organ transplantation process and help save people’s lives?

More than 103,000 patients are waiting for an organ transplant in the US alone

Organ donation and transplantation is a surgical process during which a failing organ is replaced with a healthy one. Organ recipients are usually patients who are critically ill in the end stages of organ failure. Undergoing an organ transplant can prolong a person’s life, giving those with a chronic illness a chance to reach the average lifespan.

"Many people need an organ transplant due to a genetic condition such as polycystic kidney disease, cystic fibrosis, or a heart defect. Infections such as hepatitis, physical injuries to organs, and damage due to chronic conditions such as diabetes may also cause a person to require a transplant"

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According to preliminary data from United Network for Organ Sharing (UNOS), which serves as the national Organ Procurement and Transplantation Network under federal contract, 42,887 organ transplants were performed in the US in 2022 – an increase of 3.7% from 2021 and a new annual record.2 Impressive as this number may seem, it accounts for less than half of the people who still need organ transplants.

In the US alone, more than 103,000 people are currently on organ transplant waiting lists and every day 17 of them die waiting for an organ transplant.3

Thousands of donated organs go unused, costing lives

Every year, thousands of donated organs go to waste, particularly lungs, hearts, and livers (see Figure 1). On top of the scarcity of viable organs, not all donated organs are utilized – further exacerbating the problem of availability. But why do they go to waste?

Generally speaking, there are two types of organ donations from recently deceased patients: donation after brain death (DBD) and donation after circulatory death (DCD). Traditionally, donation after brain death is more common than donation after circulatory death, since the quality of organs obtained after circulatory death can, at times, be difficult to assess.4

Figure 1: The proportion of unused donated organs

The proportion of unused donated organs

Sources: Credit Suisse, Transmedics. Based on: Transmedics (2023). Transforming Organ Transplantation Therapy Worldwide. Investor presentation May 2023. Page 5. Link; retrieved on November 15, 2023

Although more and more donors are registered in the system, the percentage of utilized organs is very low. As a result, the organ shortage and the recipient waiting lists will likely persist. Traditionally, when in doubt, a surgeon would rather reject an organ ahead of the procedure rather than just before the transplantation if they are not confident about its viability, since any transplant complications adversely affect their statistics. This is often the case when an organ has been obtained after circulatory death – since it is often difficult to assess the quality of such an organ, it is often discarded at some stage of the transplantation process.

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Organ Care System to optimize organ transportation

Hypothermia remains one of the most common ways of preserving donated organs today. Donated organs are transported to a recipient for transplant stored in organ-preservation fluid, cooled with ice, and transported in a cooler. However, this method is not ideal because the transported organ can suffer damage and it is often hard to assess its viability prior to transplantation.

Here is where technology can help. The Organ Care System (OCS) is a medical device that allows donated organs, including heart, lung, or liver, to be kept in a metabolically active state. It not only keeps the organ in much better condition as time passes, which makes it viable for longer, but it also allows for the organ viability assessment just before the transplantation, thus increasing the chances for the success of the procedure.

Figure 2: The Organ Care System keeps organs working

Sources: Credit Suisse, Transmedics. Based on: Transmedics (2023). Transforming Organ Transplantation Therapy Worldwide. Investor presentation May 2023. Page 5. Link; retrieved on November 15, 2023

Promising results of clinical trials led to broad FDA label 

Before the OCS was approved for broad use, it had to be evaluated by the Food and Drug Administration (FDA). FDA approval means that data on the effects of using a given drug or equipment have been reviewed and are a proof that the benefits of using the drug or equipment outweigh their known and potential risks. Clinical evidence is necessary to support the claim. Without hard data and FDA approval, it is highly unlikely that transplant centers would change their current practices and start using the OCS. 

Figure 3: Clinical outcomes

Clinical Outcomes
Clinical Outcomes
Clinical Outcomes
Utilization of unused lungs from DBD &DCD donors – good ourcomes
Utilization of unused hearts from DBD donors – good ourcomes
Rate of DCD donor liver utilization
Reduction of severe post‑transplant complications

Lower5 severe post‑transplant complications


Patient survivale aftetr DCD donor heart transplants


Reduction of severe post‑transplant complications


Reduction in long‑term biliary complications

Sources: Credit Suisse, Transmedics. Based on: Transmedics (2023). Transforming Organ Transplantation Therapy Worldwide. Investor presentation May 2023. Page 8. Link; retrieved on November 15, 2023

Clinical tests conducted with the use of OCS provided very promising results: the utilization of lungs and hearts exceeded 80%, while severe post-transplant complications were reduced by 50% and 65% for lungs and hearts respectively. The utilization of donor livers doubled, with a 43% reduction of severe post-transplant complications. Every organ wasted is a life not saved – by increasing the percentage of utilized organs, the OCS can give more patients a chance for a transplant that may save their lives. As a result of the clinical trials, the FDA approved the OCS for use, thus helping to transform the transplantation process.

Figure 4: Utilization of organs with OCS systems


Sources: Credit Suisse, Transmedics. Based on: Transmedics (2023). Transforming Organ Transplantation Therapy Worldwide. Investor presentation May 2023. Page 7. Link; retrieved on November 15, 2023

Technology is transforming organ transplantation

While numerous healthcare technologies are still in the developmental stage, the OCS has already started transforming the organ donation and transplantation system across many of the best-known transplantation centers in the US and all over the world. More organs available for transplantation means shorter wait time for patients and better planning and more efficient work for doctors. 

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1 MedicalNewsToday (2019). How organ transplants work. Retrieved from Everything you need to know about organ transplants ( on November 15, 2023
2 2022 organ transplants again set annual records ( Retrieved on November 15, 2023
Organ Donation Statistics | Retrieved on November 15, 2023
4 Harms of Unsuccessful Donation After Circulatory Death: An Exploratory Study - PMC ( Retrieved on November 15, 2023
5 Nicoara A., et al. Primary graft dysfunction after heart transplantation: Incidence, trends, and associated risk factors; Am J Transplant. 2018;18:1461–1470.
6 Source – 2022 Organ Procurement & Transplant Network (OPTN) Data.
7 With the “pure-play” concept we mean companies which have at least 50% in revenues directly attributable to the corresponding theme.

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