What's Happening?
Natera, Inc., a leader in cell-free DNA and precision medicine, has announced the completion of enrollment for the ACES-EMB trial. This trial is the first randomized-controlled study to evaluate whether
Natera's Prospera Heart test can replace routine invasive biopsies for monitoring rejection in heart transplant recipients. The trial enrolled over 300 patients across 17 U.S. transplant centers. Participants were randomized one month post-transplant to either the Prospera test or standard biopsy-based care, with a follow-up period of 12 months. The Prospera test uses a non-invasive donor-derived cell-free DNA (dd-cfDNA) approach, which could potentially reduce the need for invasive biopsies, which are costly and carry risks of complications.
Why It's Important?
The ACES-EMB trial could significantly impact the standard of care for heart transplant recipients in the U.S., where approximately 4,500 heart transplants are performed annually. Current post-transplant rejection monitoring relies on repeated invasive biopsies, which are not only expensive but also pose risks to patients. If the Prospera test proves effective, it could lead to a shift towards non-invasive molecular monitoring, improving patient safety and reducing healthcare costs. This development could also set a precedent for similar approaches in other types of organ transplants, potentially benefiting a broader range of patients.
What's Next?
Following the completion of enrollment, the trial will continue with a 12-month follow-up period for participants. The results of the trial will be crucial in determining whether the Prospera test can become a standard practice in heart transplant rejection monitoring. If successful, it could lead to changes in clinical guidelines and influence healthcare policy regarding transplant care. Stakeholders, including healthcare providers and insurance companies, will be closely monitoring the outcomes to assess the potential for widespread adoption of this non-invasive testing method.








