Articles tagged with Transplantation
A nationwide intervention has led to increased kidney transplants among Black patients, with a 5.3 transplant increase per 1,000 listings. The study found that wait time modifications, required by a national policy, resulted in a 1.7-year gain in priority status for Black candidates.
Researchers used AI to analyze over 15,000 patient data and identified three major clusters of BSI patients with varying levels of severity. The study found that high-risk patients, particularly older male transplant recipients, were more susceptible to infections and had higher mortality rates.
Researchers developed a spray shield that adheres to transplant organs using mussel-derived adhesive protein, reducing immune rejection and its side effects. This innovation enables targeted delivery of immunosuppressants directly to the transplanted site, increasing success rates in xenograft transplantation.
A Stanford Medicine-led study reveals that the US method for ranking children on heart transplant waitlists does not consistently prioritize the sickest patients. The current system fails to capture medical urgency, leading to higher waitlist mortality rates and potential unfair treatment of some patients.
Contemporary donation after circulatory death (DCD) donors are now at 44% of organ procurement organizations. DCD donations account for half of all deceased donors in the US, leading to increased reliance on these organs to maintain transplant access.
Donation after circulatory death has become routine in the US, with organs from these donors used for multiple transplants. The number of circulatory-death donors increased significantly over 25 years, making them a major source of kidneys and livers.
Researchers are developing an organ-on-a-chip platform to study immune rejection in pig-to-human liver transplantation, addressing a major hurdle in xenotransplantation. The project aims to generate data supporting future preclinical studies and bring xenotransplantation closer to clinical use.
A large registry study identifies a specific genetic mismatch linked to severe acute graft-versus-host disease (aGVHD) after cord blood transplantation, tripling the risk of life-threatening complications. Researchers found that a particular HLA combination in donors and recipients increased aGVHD risk by threefold.
A cohort study of 3,230 kidney transplant recipients found that transplantation reverses declining employment income, enabling meaningful economic recovery. The findings highlight the socioeconomic value of transplantation and inform policies to support patients during pretransplant vulnerability.
Researchers developed a vascularized liver tissueoid-on-a-chip that recapitulates key structural, functional, and immunological features of human liver tissue. The platform enabled the study of liver regeneration and immune-mediated allograft rejection in a physiologically relevant human system.
The American Society of Hematology released guidelines for frontline and relapsed/refractory management of acute lymphoblastic leukemia (ALL) in adolescents and young adults (AYAs), outlining optimal approaches to treating high-risk patient populations. The guidelines highlight the need for additional research on immunotherapies and tr...
The hospital achieved a 22-percent increase over its previous peak year, performing more pediatric liver and kidney transplants than any other in the nation. The team is also recognized as a leader in pediatric lung and heart transplantation, with exceptional post-transplant survival rates.
A new study offers hope that kidney transplant patients may one day have a more effective treatment regimen. The Phase 2 pilot study showed improved kidney functioning in all patients who completed the study, with no patients experiencing rejection due to antibodies produced by the immune system.
Researchers at Lund University developed a universal method for creating cell-free cartilage structures that guide bone repair without triggering strong immune responses. The successful test in animal models paves the way for human trials and the potential to transform the future of bone transplantation.
A new study has identified optimized immunosuppressive strategies that allow transplanted iPSC-CMs to survive without immune rejection in non-human primates. The researchers found a triple-drug regimen consisting of methylprednisolone, calcineurin inhibitors, and mycophenolate mofetil reliably prevents acute immune rejection.
The Vanderbilt Transplant Center achieved a record 960 solid organ transplants in 2025, saving 85 more patients than in 2024. The center's heart transplant team set a new world record for the second year in a row with 210 adult and pediatric heart transplants.
Researchers at Sanford Burnham Prebys found that transplanted stem cells develop neurons with unique codes to navigate and form connections in the brain. These codes guide the growth of axons and explain why most neurons of a particular subtype send axons to specific brain regions.
Researchers identified the spleen as a key control center for transplant tolerance, triggering donor-specific regulatory T cells to calm the immune response. This targeted approach induces controlled, donor-specific state in T cells, preserving body's ability to fight infections while supporting long-term graft acceptance.
Researchers at the Medical University of South Carolina are developing a new therapy for Type 1 diabetes that combines stem cell biology, immunology, and transplantation science. The goal is to restore beta cell function and insulin production in people with T1D without using immunosuppressive drugs.
Colectomy and liver transplantation alter disease behavior in IBD-Associated PSC, highlighting unique risks and challenges. PSC patients face heightened cancer risk after colectomy, while transplant reshapes risks of de novo IBD and recurrent PSC.
Despite challenges such as donor shortages and socioeconomic disparities, adult heart transplantation has achieved remarkable success in the US and Western Europe. The two regions have embraced different approaches to transplantation systems, shaped by cultural and political attitudes.
A new study by Nagoya University researchers found that laparoscopic surgery significantly reduces blood loss and improves jaundice recovery compared to traditional open surgery for treating biliary atresia. The study analyzed data from 356 children who had surgery at two months old, tracking their outcomes for an average of 13 years.
A new electronic application highlights discrepancies between parents and children's views on the child's well-being, providing powerful insight into how children truly cope. This approach has broad implications beyond transplant medicine and may reshape patient-reported outcomes for pediatric chronic illnesses.
A newly developed tool called the DILI-Inpt prognostic score can predict which hospitalized patients with severe idiosyncratic drug-induced liver injury are unlikely to recover on their own. The scoring system outperformed existing systems in identifying patients at high risk of death and liver transplant need.
Researchers have made breakthroughs in overcoming immune reactions behind human rejection of transplanted pig kidneys, paving the way for more successful clinical trials. The study reveals three major immune responses against the pig kidney and identifies potential biomarkers as early-warning systems for rejection.
A new machine learning model predicts the time of death for organ donors, enabling more efficient liver transplants. The model outperformed surgeon judgment and reduced futile procurements by 60%, making the transplant process more efficient and potentially allowing more candidates to receive a transplant.
A UCLA Health study found that women continue to face barriers in accessing lung transplants despite recent national policy changes. The new Composite Allocation Score system aimed to improve fairness, but inequities persist, with women still 16% less likely to undergo transplantation.
Dr. Kathryn Colby, NYU Langone Health's chair of ophthalmology, has received the prestigious Castroviejo Medal for her pioneering work on Fuchs endothelial corneal dystrophy. Her research explores a new surgical procedure to stimulate corneal regeneration.
Researchers at Weill Cornell Medicine develop a new method to generate functional endothelial cells from adult tissue, potentially enabling vascular grafts and organ transplants. The approach involves using small molecules to trigger cell division without aging or losing function.
Researchers aim to determine if biomarkers can identify adults at risk of developing interstitial lung disease (ILD), a chronic condition that causes inflammation and scarring in the lung tissue. The approach could lead to the development of new, better treatments with more tolerable side effects.
A USC Stem Cell-led team has successfully generated lab-grown kidney structures, or organoids, that exhibit kidney-like functions such as blood filtration and urine production. The 'assembloids' achieved maturity levels comparable to newborn mouse kidneys, paving the way for developing new therapies for patients awaiting transplant.
A case series of 19 patients has successfully undergone partial heart transplant, enabling valve growth and representing a novel approach to congenital heart disease treatment. Careful follow-up and monitoring are crucial for the continued expansion of this procedure.
New research from Sylvester Comprehensive Cancer Center shows that partial match transplants can achieve good outcomes with cyclophosphamide treatment. Additionally, lifestyle medicine is playing a pivotal role in improving patient outcomes for cancer survivors.
Researchers at the University of Pittsburgh have discovered a novel tool to help stratify rejection risk in kidney transplantation. They found that mismatching SIRP-alpha between donors and recipients contributes to worse rejection, scarring, and graft failure in humans, suggesting improved transplant outcomes.
Vanderbilt researchers have developed a groundbreaking method for recovering donor hearts after circulatory death, offering similar outcomes to existing techniques but with greater simplicity and lower costs. The new rapid recovery with extended ultra-oxygenated preservation (REUP) technique has been successfully deployed in three tran...
A new treatment approach using cyclophosphamide has been found to prevent most graft-versus-host disease in mismatched transplants. The study shows that 80% of patients are alive after a year, similar to outcomes seen in fully matched transplants.
Scientists at the University of Birmingham have developed a method to coat Hepatic Progenitor Cells (HPCs) with natural sugars, making them stickier and increasing their ability to repair liver tissues. The coating does not harm the cells or stop them from working properly.
Researchers at Mayo Clinic developed pioneering therapies to prevent organ rejection without the need for immunosuppression. A recent phase 3 clinical trial found that 75% of participants were able to stop taking immunosuppressive medications for more than two years, with some patients staying off medication for over three years.
Researchers have developed a technique to grow stem cells into single sheets, increasing the secretion of signaling proteins that help repair tissue and regulate the immune system. This new approach could improve stem cell-based treatments for conditions such as heart disease, liver damage, and autoimmune illnesses.
A novel model reveals that local Ang II regulation plays a crucial role in maintaining kidney function balance. The study found that damaged kidneys compensate for the loss of function by increasing blood pressure and reducing glomerular atrophy.
Scientists from Pusan National University discovered a genetic biomarker, FCGBP, that is strongly linked to bronchiolitis obliterans syndrome and poor outcomes following lung transplantation. The finding may help identify high-risk patients and devise timely immunosuppressive treatments.
A pioneering study has provided unprecedented insights into the immune response following pig-to-human kidney xenotransplantation. Researchers mapped how human immune cells interact with pig kidney tissue, revealing critical early markers of rejection and potential intervention strategies.
A team of international scientists successfully 3D printed functional human islets using a novel bioink, paving the way for more effective and less invasive treatment options. The bioprinted constructs maintained their structure without clumping or breaking down and showed promising results in laboratory tests.
A recent study found that blood cancer patients achieve good outcomes with a partial match drawn from the national public registry of donors when treated with cyclophosphamide. Survival rates at one year were comparable to those seen in other studies with fully matched donors.
A new study reveals that cancer-fighting immunotherapy drugs may offer benefits to organ transplant recipients with advanced cancer when carefully managed. The study found that about one in three patients responded positively to treatment within a year, with improved survival outcomes comparable to the general population.
The GVHD Alliance has expanded into Europe under the leadership of the European Society for Blood and Marrow Transplantation (EBMT). This move aims to foster collaboration among healthcare professionals, patient advocacy groups, researchers, and policy leaders to improve care and access for patients living with Graft-versus-Host Diseas...
Researchers at CRCHUM have discovered a crucial biomarker, miR-423-5p microRNA, to predict kidney function and diagnose chronic renal failure. The breakthrough could lead to early diagnosis, targeted approaches, and improved treatment options for millions of patients worldwide.
A new molecular process discovered by researchers contributes to the failure of donor hearts after transplant, but a therapy using medication for high blood pressure has been found to reduce damage. The treatment significantly improves the function of donor hearts and increases their distance in cold storage.
Researchers identified a biological process causing donor heart damage during cold storage and found that a drug can prevent this damage. Treatment with the drug nearly tripled pumping strength in human donor hearts, improving blood flow and reducing cell injury.
Surgeons from USC and UCLA have successfully performed the world's first-in-human bladder transplant, offering a new treatment option for patients with terminal bladders. The procedure, which combined kidney and bladder transplants, showed promising results in improving the patient's condition and eliminating the need for dialysis.
The RSV protein subunit vaccine showed similar efficacy to clinical trials, with diminished immune response in immunocompromised patients. The vaccine was associated with a small increased risk of Guillain-Barré syndrome, but not immune thrombocytopenic purpura.
A new study by Mass General Brigham researchers has identified a natural 'brake' within the innate immune system that can prevent organ transplant rejection. The discovery highlights a promising target for new therapies and offers hope for longer-lasting transplant success and reduced need for lifelong immunosuppression.
New molecular testing methods are transforming post-transplant care by detecting potential heart injury or rejection earlier than traditional biopsies. This enables physicians to reduce immunosuppressive medicine dosage in low-risk patients, potentially improving patient outcomes beyond the first year post-heart transplant.
The Pediatric Heart Transplant Alliance is a coalition of six leading organizations working to advance pediatric heart transplantation through research, education, and advocacy. The alliance aims to improve patient outcomes and quality of life for children with transplanted hearts.
Pediatric hearts fail due to acquired and genetic disorders or congenital heart disease, requiring mechanical circulatory support (MCS) devices. However, adult devices are often used off-label in pediatric patients, deterring innovation and limiting access to life-saving technology.
Researchers at ISHLT marked the 10-year anniversary of modern DCD heart donation, significantly increasing transplant volumes worldwide. Comparable outcomes have been achieved with DCD hearts compared to traditional DBD hearts, leading to a surge in DCD programs globally.
A study on donor lungs preserved outside the body demonstrated that HOPE is a safe and effective method for lung preservation, with no rejections and similar short-term outcomes compared to direct transplantation. The study found that extending perfusion times can optimize donor lungs for future therapies.
Machine perfusion technology significantly extends the time donor hearts can be transported, enabling longer-distance transplants. This innovation has already led to more organs being accepted from regions previously unsuitable due to transportation constraints.
The first-ever Cardiogenic Shock Academy features a simulation lab, providing hands-on training for treating patients in cardiogenic shock. More than 160 healthcare practitioners from around the world attended the academy, which aimed to address the lack of conclusive research for managing CS.
A day-long conference brought together experts to present ground-breaking outcomes research on CTEPH treatments. The session covered new medications, refined techniques, and innovative approaches to improve diagnosis and treatment outcomes.