Dr. Metzger primarily studies myelofibrosis, a type of blood cancer that often causes severe symptoms like fatigue and an enlarged spleen. She investigates new treatment combinations, including the use of JAK inhibitors with other drugs to improve patient outcomes. Additionally, she researches chronic kidney disease (CKD), examining how factors such as medication use and environmental conditions, like heatwaves, impact patient health. Her work also extends to developing better diagnostic techniques, especially for identifying kidney-related risks through urine tests.
Key findings
In a study on combination therapies for myelofibrosis, researchers found these approaches may enhance symptom relief and reduce spleen size compared to standard treatments.
Among over 3,000 CKD patients, 33% experienced hyperpolypharmacy (taking ten or more medications), leading to increased risks of adverse drug reactions and other serious health issues.
A new method for analyzing proteins in small tissue samples identified 1,145 proteins with significantly reduced sample loss, allowing for better disease understanding and treatment development.
Approximately 71% of dental implants were removed due to inflammation, with an average bone loss of 51% observed at removal, highlighting critical indicators for dentists.
In late-onset Alzheimer’s patients, researchers found changes in blood-brain barrier cells that may explain amyloid beta accumulation, contributing to a deeper understanding of the disease.
Frequently asked questions
Does Dr. Metzger study myelofibrosis?
Yes, Dr. Metzger focuses on myelofibrosis, examining new treatment approaches and their effectiveness.
What treatments has Dr. Metzger researched for kidney disease?
She has studied the dangers of polypharmacy in chronic kidney disease patients and how environmental factors like heatwaves can affect sodium levels.
Is Dr. Metzger's work relevant to patients with Alzheimer's?
Yes, she investigates the mechanisms of Alzheimer's disease, particularly how blood-brain barrier changes affect the accumulation of harmful substances in the brain.
How does Dr. Metzger's research help patients with rare diseases?
Her improved protein analysis methods allow for better diagnosis and understanding of rare conditions at a cellular level.
What is hyperpolypharmacy and how does it relate to Dr. Metzger's research?
Hyperpolypharmacy refers to taking ten or more medications, which Dr. Metzger found increases risks of negative outcomes in CKD patients.
Publications in plain English
Proteinuria or Albuminuria as Markers of Kidney and Cardiovascular Disease Risk : An Individual Patient-Level Meta-analysis.
2026
Annals of internal medicine
Heerspink HJL, Grams ME, Sang Y, Ballew SH, Coresh J +23 more
Plain English This study looked at two tests—UACR and UPCR—that measure protein in urine to see how well they predict the risk of kidney failure and heart problems. Researchers analyzed data from nearly 149,000 people and found that a higher UACR level was linked to a greater risk of kidney failure compared to UPCR, specifically showing a risk increase of 155% for UACR versus 140% for UPCR. This matters because using UACR can help doctors better identify patients at higher risk for serious kidney issues earlier on.
Who this helps: This helps patients at risk for kidney disease and their doctors by improving early detection and management of their condition.
Interferon alpha in myeloproliferative neoplasms: evidence and practical considerations for clinical care.
2026
Leukemia & lymphoma
Metzger M, Mascarenhas J
Plain English This study looked at myeloproliferative neoplasms (MPNs), which are blood cancers caused by mutations in stem cells that can lead to problems like blood clots and risks of leukemia. Researchers found that interferon alpha (IFN-α) is a helpful treatment for these conditions, showing benefits in controlling the disease and reducing complications. It highlights the importance of using IFN-α in managing MPNs to improve patient outcomes.
Who this helps: Patients with myeloproliferative neoplasms.
Hyperpolypharmacy in patients with chronic kidney disease and its impact on clinical outcomes.
2026
Scientific reports
Mouheb A, Metzger M, Alencar de Pinho N, Jacquelinet C, Laville M +4 more
Plain English This study looked at people with chronic kidney disease (CKD) who were taking a lot of medications, defined as ten or more daily prescriptions. Among over 3,000 participants, 33% were considered to have "hyperpolypharmacy," and this group had a higher risk of harmful drug reactions, hospital stays, and death before needing kidney replacement therapy. These findings highlight the need for doctors to regularly review medications for CKD patients to help reduce these risks.
Who this helps: This helps patients with chronic kidney disease and their healthcare providers.
Brain capillary endothelial-like cells show altered barrier functionality and reduced transport of amyloid β in late-onset Alzheimer disease.
2026
Fluids and barriers of the CNS
Hartmann C, Haferkamp U, Appelt-Menzel A, Barenberg J, Brachner A +19 more
Plain English This study looked at how the blood-brain barrier (the protective layer in the brain) functions in patients with late-onset Alzheimer’s disease (LOAD). Researchers found that brain cells from LOAD patients showed changes that may help explain why amyloid beta (a harmful substance linked to Alzheimer’s) accumulates in the brain, with specific markers being altered. They discovered that while the barrier's overall tightness seemed normal, there were important changes in the cells affecting transport, including lower levels of cadherin 5, which is crucial for cell connections.
Who this helps: This research benefits patients with late-onset Alzheimer's disease by improving our understanding of the disease's mechanisms and potential treatment targets.
Progress of investigational bromodomain and extra-terminal domain inhibitors for myelofibrosis therapy.
2026
Expert opinion on investigational drugs
Beygui NC, Rogers M, Shah V, Metzger M, Mascarenhas J
Plain English This research focuses on new treatments for myelofibrosis (MF), a blood cancer that leads to issues like enlarged spleen and low blood cell counts. It examines various drugs that target specific proteins to help improve symptoms and possibly work better when used alongside existing treatments known as JAK inhibitors. One promising drug, pelabresib, is showing positive effects, but it's still unclear if these new therapies will significantly change the disease.
Who this helps: This research benefits patients with myelofibrosis seeking better treatment options.
Timing and extent of Peri-Implant bone loss for dental implant removal: A retrospective Cross-Sectional analysis.
2026
Clinical oral investigations
Halstenbach T, Semper-Hogg W, Cieplik F, Würflein E, Kernen F +2 more
Plain English This study looked at why and when dental implants are removed by analyzing data from 738 implant removals in 462 patients at a German clinic over ten years. Researchers found that about 71% of these removals were due to inflammation around the implant, with an average bone loss of 51% at the time of removal, which was higher for implants in the lower jaw compared to the upper jaw. This information is crucial because it highlights that significant bone loss (around 50%) should be a signal for dentists to consider removing implants, especially since most removals happened within the first three years after placement.
Who this helps: This helps dentists and patients dealing with dental implants.
MR-SP: A Microreactor-Based Workflow for Few-Cell Spatial Proteomics on the Legacy Zeiss PALM MicroBeam.
2026
Journal of proteome research
Metzger M, Maldacker M, Hutzenlaub T, Paust N, Schilling O +1 more
Plain English This study focused on improving a method for analyzing proteins in very small tissue samples, specifically using an older technology called the Zeiss PALM MicroBeam. Researchers developed a new workflow called MR-SP, which significantly reduced sample loss during the analysis process, allowing them to identify nearly three times as many proteins in small samples—1,145 proteins from 5-6 cells compared to only 302 using traditional methods. This advancement matters because it enables better understanding of diseases at a cellular level, which could lead to improved treatments and diagnostics.
Who this helps: Patients with rare diseases or those requiring precise tissue analysis benefit from this improved method.
SOHO State of the Art Updates and Next Questions: Is Combination Therapy Here for Myelofibrosis?
2026
Clinical lymphoma, myeloma & leukemia
Metzger M, Hertz C, Mascarenhas J
Plain English This study examined treatments for myelofibrosis, a blood cancer that causes symptoms like fatigue and an enlarged spleen. Researchers focused on combining different therapies, specifically pairing JAK inhibitors (current standard treatments) with new drugs targeting other pathways. They found that these combination treatments may improve symptoms and spleen size more effectively than current options alone, although it is still unclear how these combinations affect overall disease progression and safety.
Who this helps: This benefits patients with myelofibrosis seeking better treatment options.
Investigating the replicability of the social and behavioural sciences.
2026
Nature
Tyner AH, Abatayo AL, Daley M, Field S, Fox N +287 more
Plain English This study looked at how well previous findings in social and behavioral sciences could be repeated. Out of 274 claims analyzed, 151 were successfully replicated, which is about 55%. This matters because it shows that many results in this field may not be as reliable as initially thought, emphasizing the need for better practices in research to ensure findings can be trusted.
Who this helps: This helps researchers and clinicians who rely on accurate scientific evidence for understanding human behavior and social interactions.
Second Generation of AHOPCA (Asociación de Hemato-Oncología Pediátrica de Centro América) Treatment Guidelines for Wilms Tumor: A Report of Outcomes.
2026
Pediatric blood & cancer
Velasquez-Herrera T, Valverde P, Fuentes S, Peña A, Ortiz R +10 more
Plain English This study looked at how a new treatment approach for Wilms tumor, a type of kidney cancer in children, performed in patients in Central America. Out of 353 patients, 70% received chemotherapy before surgery, which helped reduce the size of tumors significantly, with 62% showing a partial response. The findings suggest that this method can make surgery safer and more effective for patients with advanced disease.
Who this helps: This benefits pediatric cancer patients and their doctors by improving treatment options and outcomes.
Initiating and Continuing Long-Term Exercise in Heart Failure: A Qualitative Analysis From the GEtting iNTo Light Exercise-Heart Failure Study.
2025
The Journal of cardiovascular nursing
Platz K, Metzger M, Cavanagh C, Park L, Howie-Esquivel J
Plain English This study looked at how heart failure patients can start and stick with a long-term gentle exercise program. Researchers found that in a home-based exercise program, 64% of participants attended more than what was expected, and eight out of 22 adhered to the exercise guidelines at least 80% of the time. This is important because improving exercise adherence can help enhance the quality of life and health outcomes for heart failure patients.
Who this helps: This helps heart failure patients seeking to improve their health through exercise.
Generation of Advanced Blood-Brain Barrier Spheroids Using Human-Induced Pluripotent Stem Cell-Derived Brain Capillary Endothelial-Like Cells.
2025
Advanced biology
Mathew-Schmitt S, Oerter S, Reitenbach E, Gätzner S, Höchner A +6 more
Plain English This study created a 3D model of the blood-brain barrier (BBB) using brain cells derived from human stem cells, which better reflects the complex environment found in the body than traditional 2D models. The researchers found that these 3D structures not only showed important characteristics of the BBB but also had better gene expression related to barrier function compared to 2D cell cultures. This research is important because it could lead to improved testing for drugs meant to treat brain diseases.
Who this helps: This helps researchers and drug developers working on treatments for neurological conditions.
Discovery of ultra short β-peptoids with selective activity against drug-resistant Mycobacterium tuberculosis.
2025
European journal of medicinal chemistry
Kauffman J, Cuevas J, Feiner J, Metzger M, Shetye G +7 more
Plain English This research focused on creating new drugs to fight drug-resistant tuberculosis (TB) caused by Mycobacterium tuberculosis (M.tb). The scientists developed 22 new peptoids and found that two of them, named JC5 and MM2, were particularly effective, with the ability to inhibit bacteria at very low concentrations (1.48 and 2.97 micrograms per milliliter). These findings are significant because they suggest a promising direction for developing new treatments to combat hard-to-treat TB infections.
Who this helps: This benefits patients suffering from drug-resistant tuberculosis.
Novel aryl hydrocarbon receptor agonists as potential anti-inflammatory therapeutics: Identification and validation through drug repurposing.
2025
Biochemical pharmacology
Haupt J, Keminer O, Neser C, Windshügel B, Wiltzsch V +18 more
Plain English This study looked at new drugs that can target a protein called the aryl hydrocarbon receptor (AhR), which plays a role in inflammation in the gut. Researchers identified 90 potential drugs that work with AhR and narrowed it down to five candidates that successfully improved gut barrier function and reduced inflammation. One of these drugs will be moved forward for further testing in animal studies.
Who this helps: This research primarily benefits patients with chronic inflammatory diseases like inflammatory bowel disease.
SC10X/U: A high-density electrode system for standardised surface recording of neural activity of the cervical spinal cord.
2025
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology
Mehra P, Metzger M, Bista S, Giglia ER, Plaitano S +9 more
Plain English This study focused on creating a new electrode system (called SC10X/U) for recording nerve activity from the cervical spinal cord, making it easier to repeat these recordings consistently across different researchers and patients. Researchers tested this system on ten healthy individuals and successfully recorded important electrical signals from the spinal cord, specifically finding two key potentials (N13 and P9) that can help us understand spinal cord function better. The results were consistent with previous studies, meaning this system could improve how we measure spinal activity in various medical and research settings.
Who this helps: This benefits researchers and doctors working with patients who have spinal cord issues.
3D Printing via Melt Extrusion Deposition Facilitates the Use of Extended-Release Profiles in Preclinical Research and Development.
2025
Molecular pharmaceutics
Jin M, Zuo X, Blattner SM, Frankenreiter S, Metzger M +8 more
Plain English The study explored a new way to create extended-release medications using 3D printing, specifically a technique called melt extrusion deposition (MED). Researchers tested this method with a drug called BI 894416 and found that it allowed for better control over how the drug is released into the body, with results showing the drug was released over 2-5 hours in animal tests. Importantly, this approach reduced fluctuations in drug levels and may speed up the development of new medications while using less material.
Who this helps: This benefits pharmaceutical companies and researchers working on new drugs.
User experience study to evaluate a clinical decision support system prototype supporting continuous kidney replacement therapy in a simulated ICU environment.
2025
BMC medical informatics and decision making
Kunz LM, Metzger M, Schaefer C, Pohlmeier R, Petrovic Vorkapic J +1 more
Plain English This study tested a new software tool designed to help healthcare workers manage Continuous Kidney Replacement Therapy (CKRT) in intensive care units (ICUs). Twelve clinicians and nurses found the tool to be very user-friendly, scoring an average of 87.5 out of 100 for usability. Additionally, using this software appeared to reduce the overall workload for the staff, making it easier for them to perform their tasks.
Who this helps: This helps doctors and nurses working in ICUs manage patient care more effectively.
Heatwaves and plasma sodium disturbances in patients with chronic kidney disease.
2025
Environment international
Flahault A, Panico A, Fifre G, Massy ZA, Frimat L +4 more
Plain English This study looked at how heatwaves affect sodium levels in patients with chronic kidney disease (CKD). Researchers found that during heatwaves, 4.5% of sodium measurements were too low, a condition called hyponatremia, and 7.2% were too high, known as hypernatremia. Specifically, being exposed to heat for at least three days increased the chance of low sodium levels by nearly 50%. This is important because common advice to drink more water during hot weather may not be safe for these patients and they may need closer monitoring of their sodium levels after heatwaves.
Who this helps: Patients with chronic kidney disease.
Combining radiotherapy and immune checkpoint inhibitors in metastatic cancers: a 25-year review of safety outcomes by the ENRSO Group.
2025
Cancer metastasis reviews
Golfier C, Visy A, Gueiderikh A, Marcel J, Escande A +4 more
Plain English This review studied how safe it is to use immune checkpoint inhibitors (ICIs) together with radiotherapy in patients with advanced cancers. Researchers examined 59 studies involving nearly 3,600 patients and found that the serious side effects from this combined treatment were low—ranging from about 9.7% to 25% depending on the type of ICI used—but there was no significant increase in toxicity when both treatments were used together. This research matters because it shows that patients can receive both treatments safely without needing to stop their immunotherapy during radiation.
Who this helps: Patients with metastatic cancer.
From Lab to Workplace: Efficacy of Skin Protection Creams Against Hydrophobic Working Materials.
2025
Journal of clinical medicine
Dick A, Metzger M, Dungel P
Plain English This study looked at how well skin protection creams work against certain difficult-to-wash-off materials found in various jobs. It found that while some creams perform well against water-based irritants, we still lack the proper testing methods to evaluate their effectiveness against oily or greasy substances. This matters because improved testing can help ensure that workers' skin remains protected in real-world conditions.
Who this helps: This helps workers in industries exposed to harsh materials, including healthcare, construction, and manufacturing.
Implementation of An Advance Care Planning Intervention in Dialysis Clinics.
2025
American journal of kidney diseases : the official journal of the National Kidney Foundation
Song MK, Plantinga L, Metzger M, Noorani N, Lea J +11 more
Plain English This study looked at a program called SPIRIT, which helps dialysis patients and their caregivers make important decisions about their care. Out of 231 patient-caregiver pairs involved, 82.7% finished the first session, and 76.4% also attended a second optional session. The program was generally well-received, with participants reporting better communication and relationships, but there were some challenges, like finding time to meet and managing emotional stress.
Who this helps: This benefits dialysis patients and their caregivers by improving their understanding and decision-making in their care.
Augmented Reality Navigation in Craniomaxillofacial/Head and Neck Surgery.
2025
OTO open
Strong EB, Patel A, Marston AP, Sadegh C, Potts J +14 more
Plain English This study focused on using augmented reality (AR) technology to assist in surgeries involving the face and neck, aiming to improve surgical planning and execution. Researchers evaluated 33 surgeries performed with a new AR navigation system, finding that it offered real-time 3D views of the surgical area and helped surgeons identify important structures during operations. This technology has significant advantages over traditional methods, such as better visualization and improved tracking of surgical instruments.
Who this helps: This helps surgeons and patients undergoing craniomaxillofacial and head and neck surgeries.
A new approach for cognitive impairment pattern in chronic kidney disease.
2024
Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association
Levassort H, Boucquemont J, Alencar de Pinho N, Lambert O, Helmer C +12 more
Plain English This research studied how chronic kidney disease (CKD) affects brain function, looking specifically at cognitive patterns in 3,003 CKD patients over five years. The findings revealed that patients with lower kidney function, measured by their estimated glomerular filtration rate (eGFR), showed early declines in cognitive abilities such as attention (1.04-point decrease) and language (0.78-point decrease) even before noticeable cognitive decline happened. Understanding these cognitive impairments early can help in better managing both CKD and related cognitive issues.
Who this helps: This helps patients with chronic kidney disease and their doctors.
Kidney Function Decline and Serious Adverse Drug Reactions in Patients With CKD.
2024
American journal of kidney diseases : the official journal of the National Kidney Foundation
Laville SM, Gras-Champel V, Hamroun A, Moragny J, Lambert O +13 more
Plain English This study looked at how kidney function decline in patients with chronic kidney disease (CKD) affects the risk of serious side effects from medications. Out of over 3,000 patients, 360 experienced 488 serious adverse drug reactions (ADRs), with common issues being kidney problems and bleeding. The research found that lower kidney function significantly increases the risk of these serious ADRs, many of which can lead to hospitalization or death, highlighting the need for careful monitoring and prescription practices for these patients.
Who this helps: This information benefits patients with chronic kidney disease and their doctors.
Functional network dynamics revealed by EEG microstates reflect cognitive decline in amyotrophic lateral sclerosis.
2024
Human brain mapping
Metzger M, Dukic S, McMackin R, Giglia E, Mitchell M +16 more
Plain English This study looked at brain activity patterns in people with amyotrophic lateral sclerosis (ALS) using a method called electroencephalography (EEG). The researchers found that specific brain activity patterns, called microstates, changed in people with ALS compared to healthy individuals; for instance, certain microstates were linked to physical and cognitive decline. Notably, a longer duration of one type of microstate correlated with worsened movement abilities, while changes in microstate patterns were connected to declines in cognitive function.
Who this helps: This research helps patients with ALS and their doctors by providing insights into how brain activity relates to disease progression.
The number of nephroprotection targets attained is associated with cardiorenal outcomes and mortality in patients with diabetic kidney disease. The CKD-REIN cohort study.
2024
Diabetes, obesity & metabolism
Bonnet F, Balkau B, Lambert O, Diawara Y, Combe C +8 more
Plain English This study looked at 1,260 patients with diabetes and chronic kidney disease to see how meeting specific health targets related to kidney and heart health. It found that patients who achieved at least two of the nephroprotection targets had significantly lower risks of serious health issues and death—those meeting two targets had a 30% lower chance of cardiorenal events and a 41% lower risk of dying compared to those who met none. These findings highlight the importance of managing diabetes and kidney health to improve patient outcomes.
Who this helps: This helps patients with diabetes and chronic kidney disease.
Impact of Growth Hormone on Microglial and Astrocytic Function.
2024
Journal of integrative neuroscience
Tavares MR, Wasinski F, Metzger M, Donato J
Plain English This study looked at how growth hormone (GH) affects certain support cells in the brain, called microglia and astrocytes, which are crucial for keeping brain cells healthy. The researchers found that GH plays a significant role in the overall health and function of these cells, helping to protect and possibly repair the brain. Understanding this relationship is important because it could lead to better treatments for brain injuries and diseases.
Who this helps: This helps patients with brain injuries or neurological disorders.
Plain English This research focused on improving models used to study how drugs are absorbed in the intestines. The scientists created new intestinal cell lines that are easier and cheaper to grow while still mimicking the function of real intestine cells. Their results show that these new models maintain important characteristics of intestinal tissue, making them more reliable for testing how drugs work in the body.
Who this helps: This benefits researchers and pharmaceutical companies developing new medications.
Prevalence of Cognitive Impairment and Relationships with Other Factors in Patients with End Stage Kidney Disease Receiving Hemodialysis.
2024
Nephrology nursing journal : journal of the American Nephrology Nurses' Association
Metzger M, Benloukil S, Sharma B, Abdel-Rahman EM
Plain English This study looked at the mental sharpness of 100 patients aged 50 and older who were undergoing hemodialysis for end stage kidney disease. It found that 32% of these patients had normal cognitive abilities, while 56% experienced mild cognitive impairment, and 12% had moderate cognitive impairment. Understanding these levels of cognitive impairment and how they relate to factors like age and education is important for improving care and follow-up for these patients.
Who this helps: This helps patients undergoing hemodialysis and their healthcare providers.
Prospective Study on the Influence of Occupational Hand Protection Products on the Efficacy of Hand Disinfection.
2024
Healthcare (Basel, Switzerland)
Metzger M, Manhartseder S, Krausgruber L, Wagner C, Frank S +5 more
Plain English This study looked at how well different hand protection products work with hand disinfectants to stop the spread of bacteria on the skin. Researchers found that most hand protection creams trapped bacteria, which could then be transferred to other surfaces, but using a standard alcohol-based hand sanitizer effectively reduced the amount of bacteria. This is important because it shows that using alcohol-based gels can protect hands while also minimizing infection risk in jobs where hygiene is critical.
Who this helps: This helps healthcare workers and others in professions where hand hygiene is essential.
Ionized and total magnesium levels in patients with chronic kidney disease: associated factors and outcomes.
2024
Clinical kidney journal
Pluquet M, Kamel S, Alencar de Pinho N, Mansencal N, Combe C +4 more
Plain English This study looked at magnesium levels in patients with chronic kidney disease (CKD) to see how they relate to heart problems and death. Researchers found that among the 2,419 patients, those with higher total magnesium levels had a higher risk of heart events and death; specifically, patients with the highest magnesium levels were 1.56 times more likely to experience major heart issues compared to those with average levels. This is important because it highlights the need to monitor total magnesium levels in CKD patients to potentially improve their care and outcomes.
Who this helps: This helps doctors and caregivers working with patients who have chronic kidney disease.
A novel application of XPO1 inhibition for the treatment of myelofibrosis.
2024
Blood neoplasia
Metzger M, Avigan ZM, Vachhani P, Waksal J, Mascarenhas J
Plain English This study explored a new treatment approach for myelofibrosis (MF), a blood cancer characterized by symptoms like fatigue and an enlarged spleen. Researchers tested a drug called selinexor, which works by blocking a cellular mechanism that removes important tumor suppressors, and found it could be effective when combined with another existing treatment, ruxolitinib. While there are currently treatments available that help alleviate symptoms, this approach may actually change the disease's progression for patients who have not yet tried JAK inhibitors; further clinical trials are planned to confirm these findings.
Who this helps: This helps patients with myelofibrosis, especially those who have not responded to existing therapies.
Prevalence of chronic kidney disease in France: methodological considerations and pitfalls with the use of Health claims databases.
2024
Clinical kidney journal
Couchoud C, Raffray M, Lassalle M, Duisenbekov Z, Moranne O +11 more
Plain English This study looked at how common chronic kidney disease (CKD) is in France from 2018 to 2021 using a specific algorithm to analyze health data. The research found that the estimated prevalence of CKD rose from 8.1% to 10.5% during that time. The algorithm was only partially accurate; for example, it missed many cases of CKD (with a negative predictive value of 99.1%), meaning it often failed to identify patients who really needed care. This is important because understanding the true rates of CKD can help improve healthcare strategies and ensure patients receive the right treatment.
Who this helps: This helps patients with kidney disease and healthcare providers who care for them.
The Multifaceted Actions of PVP-Curcumin for Treating Infections.
2024
International journal of molecular sciences
Metzger M, Manhartseder S, Krausgruber L, Scholze L, Fuchs D +6 more
Plain English This study looked at a compound called PVP-curcumin, which is used in a type of light therapy to kill bacteria and that may help improve antibiotic treatments. When tested, PVP-curcumin effectively reduced bacterial levels when combined with specific blue light wavelengths; for example, using 10 micrograms/mL of curcumin with 415 nm blue light significantly lowered bacteria levels. However, while it showed promise for killing bacteria, it did not greatly improve antibiotic effectiveness or prevent bacteria from developing resistance.
Who this helps: This research benefits doctors and patients dealing with antibiotic-resistant infections.
De-indexed estimated glomerular filtration rates for the dosing of oral antidiabetic drugs in patients with chronic kidney disease.
2024
Frontiers in pharmacology
Pluquet M, Metzger M, Jacquelinet C, Combe C, Fouque D +5 more
Plain English This study looked at how adjusting the estimated kidney function based on a patient’s body size affects the way doctors prescribe diabetes medications for patients with chronic kidney disease (CKD). It found that using deindexed calculations resulted in higher estimates of kidney function, leading to a 4% to 10% increase in inappropriate medication prescriptions for patients with higher body mass indexes (BMIs). This is important because it means that better dosing could prevent harmful prescriptions for those patients.
Who this helps: This research benefits patients with chronic kidney disease and diabetes, particularly those with high body weight.
Blood-tumor barrier in focus - investigation of glioblastoma-induced effects on the blood-brain barrier.
2024
Journal of neuro-oncology
Mathew-Schmitt S, Peindl M, Neundorf P, Dandekar G, Metzger M +2 more
Plain English This study focused on understanding how glioblastoma, a serious brain tumor, affects a protective barrier in the brain called the blood-brain barrier. Researchers created a new lab test that mimics this barrier using human cells and found that the tumor weakened the barrier significantly in just 24 hours, lowering its protective ability from around 1313 ohms to about 712 ohms. These findings are important because they could help develop better treatments for glioblastoma by allowing tests of new therapies in a setup that closely resembles real brain conditions.
Who this helps: This helps cancer patients and doctors working on glioblastoma treatments.
Plain English Researchers studied how observing other mice in distress affects their ability to handle tough emotions later on. They found that mice who saw their friends in trouble became more resilient and better at coping with negative feelings. This is important because it shows that experiences with emotional stress can help build strength to face future challenges.
Who this helps: This helps scientists and animal caregivers understand how emotional experiences influence resilience.
Response-Based Approach for Pediatric Hodgkin Lymphoma in Nations with Restricted Resources.
2024
International journal of hematology-oncology and stem cell research
Al-Jumaily U, Rjeib HDH, Al-Mosawy S, Faraj S, Metzger M
Plain English This study looked at how children with Hodgkin lymphoma (HL) in Iraq were treated with different chemotherapy combinations from 2014 to 2021. Researchers tracked 59 children and found that 92% of them were still alive five years after treatment, with 78% having successful outcomes without major issues. The study highlights the importance of using personalized treatment plans in areas with limited resources to reduce harmful side effects from unnecessary radiation.
Who this helps: This helps children with Hodgkin lymphoma and their doctors, particularly in resource-limited settings.
Distinct Longitudinal Changes in EEG Measures Reflecting Functional Network Disruption in ALS Cognitive Phenotypes.
2024
Brain topography
Metzger M, Dukic S, McMackin R, Giglia E, Mitchell M +22 more
Plain English This study looked at how brain activity changes over time in people with amyotrophic lateral sclerosis (ALS), specifically focusing on those with different cognitive and behavioral challenges. Researchers examined 124 ALS patients using advanced EEG recordings and found that, over time, those with cognitive impairments had notable changes in brain function, like a decline in certain brain wave patterns related to their verbal skills. These findings are important because they can help identify which patients are likely to experience more rapid decline and could lead to better-targeted treatments for different ALS subgroups.
Who this helps: This helps patients with ALS and their doctors by providing insights for personalized treatment approaches.
Comparison of the Effective Radiation Dose in the Region of the Facial Skull Between Multidetector CT, Dental Conebeam CT and Intraoperative 3D C-Arms.
2024
Craniomaxillofacial trauma & reconstruction
Pietzka S, Grieser A, Winter K, Schramm A, Metzger M +5 more
Plain English This study looked at the amount of radiation exposure from different 3D imaging devices used in facial surgery, including two types of Conebeam CT and four intraoperative 3D C-arms. The findings showed that the 3D C-arms had the lowest radiation doses (from 11.2 to 129.9 microsieverts), while the Multidetector CT had significantly higher doses (ranging from 284.52 to 844.97 microsieverts). This matters because lower radiation exposure can reduce risks for patients undergoing facial surgery.
Who this helps: Patients undergoing maxillofacial procedures.
Collagen scaffold-seeded iTenocytes accelerate the healing and functional recovery of Achilles tendon defects in a rat model.
2024
Frontiers in bioengineering and biotechnology
Später T, Del Rio P, Shelest O, Wechsler JT, Kaneda G +8 more
Plain English This study looked at a new way to heal damaged Achilles tendons in rats using a special kind of stem cells on a collagen scaffold. The researchers found that the rats treated with these stem cell-seeded scaffolds showed faster improvement in walking and better overall tendon structure compared to those treated just with sutures or empty scaffolds. This matters because it indicates a promising method for improving tendon healing, which could benefit people with similar injuries.
Who this helps: Patients with Achilles tendon injuries.
Effectiveness of an Advance Care Planning Intervention in Adults Receiving Dialysis and Their Families: A Cluster Randomized Clinical Trial.
2024
JAMA network open
Song MK, Manatunga A, Plantinga L, Metzger M, Kshirsagar AV +6 more
Plain English This study looked at how effective an advance care planning program was for patients on dialysis and their family members when making end-of-life decisions. The program, conducted in 42 dialysis clinics, showed that those who participated felt more aligned in their goals for care and experienced less decision-making stress, with meaningful improvements indicated by specific measures (for example, patient-decision conflict scores improved by -0.10). While the program helped prepare families better, it had mixed results on emotional well-being after losing a loved one.
Who this helps: This benefits patients on dialysis and their families.
Strengthening public health policies for childhood cancer: Peru's achievements through the WHO Global Initiative for Childhood Cancer.
2023
Revista panamericana de salud publica = Pan American journal of public health
Maradiegue E, Pascual C, Vasquez L, Maza I, Ugaz C +38 more
Plain English This study looked at how Peru has improved its public health policies for childhood cancer since mid-2019, using a framework developed by the World Health Organization. Key achievements include reducing the number of children who stop treatment from 18.6% to 8.5%, passing a new law specifically for childhood cancer, and improving the overall care of hospitalized patients. These changes are important because they enhance the quality of care for children with cancer, leading to better health outcomes.
Who this helps: This benefits children with cancer and their families, as well as healthcare providers working with them.
Retention of Human iPSC-Derived or Primary Cells Following Xenotransplantation into Rat Immune-Privileged Sites.
2023
Bioengineering (Basel, Switzerland)
Später T, Kaneda G, Chavez M, Sheyn J, Wechsler J +6 more
Plain English This study looked at how well human cells, specifically induced pluripotent stem cell-derived mesenchymal stromal cells (iMSCs) and primary nucleus pulposus cells (NPCs), survive when transplanted into the knee joints and intervertebral discs of rats with different immune systems. Researchers found that both types of rats (immune-compromised and normal) had low inflammation responses and no significant difference in the number of recovered human cells after 7 to 14 days. This finding is important because it suggests that using normal immune system rats for future studies on human cell transplants could be effective and carry similar results to those seen in more vulnerable rats.
Who this helps: This helps researchers and doctors working on cell-based therapies for conditions like arthritis and spinal disorders.
Challenges in Permeability Assessment for Oral Drug Product Development.
2023
Pharmaceutics
Koziolek M, Augustijns P, Berger C, Cristofoletti R, Dahlgren D +10 more
Plain English This study looked at how well drugs can pass through the intestines when taken orally, which is crucial for the success of many medications. Researchers explored various methods, including computer models and lab tests, to measure how drugs permeate the gastrointestinal tract, highlighting new techniques that have improved this process. Knowing the permeability of drugs can help predict how they behave in the body, which is important for developing effective therapies.
Who this helps: This helps patients by improving the effectiveness of oral medications.
Human isogenic cells of the neurovascular unit exert transcriptomic cell type-specific effects on a blood-brain barrier in vitro model of late-onset Alzheimer disease.
2023
Fluids and barriers of the CNS
Haferkamp U, Hartmann C, Abid CL, Brachner A, Höchner A +12 more
Plain English This research examined how different types of brain cells influence the blood-brain barrier (BBB), particularly in late-onset Alzheimer's disease (LOAD). The study found that certain brain cells, especially neural stem cells, help strengthen the BBB and support its proper function, but this support weakens in the presence of LOAD—specifically, the neural stem cells had the biggest positive impact on the BBB. Understanding these interactions is important because it could lead to new treatments that protect the brain from damage in Alzheimer's patients.
Who this helps: This benefits patients with late-onset Alzheimer's disease and their caregivers.
Fibroblast growth factor 23 but not copeptin is independently associated with kidney failure and mortality in patients with chronic kidney disease.
2023
Clinical kidney journal
Michon-Colin A, Metzger M, Bankir L, Gauci C, Brunel M +12 more
Plain English This study looked at two substances in the blood—fibroblast growth factor 23 (iFGF23) and copeptin—to see how they relate to kidney failure and death in patients with chronic kidney disease (CKD). Researchers found that higher levels of iFGF23 were strongly linked to worse outcomes, showing that patients with higher levels had a 2.72 times greater risk of kidney failure or death compared to those with lower levels. In contrast, copeptin did not show a significant association. This is important because it suggests that measuring iFGF23 could help monitor CKD patients more effectively.
Who this helps: This benefits patients with chronic kidney disease and their doctors.
A consistent methodology for forensic photogrammetry scanning of human remains using a single handheld DSLR camera.
2023
Forensic sciences research
Ujvári Z, Metzger M, Gárdonyi G
Plain English This study looked at how to improve the method of taking 3D pictures of human remains using a handheld camera. Researchers tested four different techniques for photographing and found that two specific methods produced very similar results to traditional measurements, with only a small average difference of about 0.16% to 0.20%. This matters because it shows that a careful approach to photographing can lead to accurate 3D models, making it easier and faster for forensic experts to document autopsies.
Who this helps: This helps forensic examiners and medical personnel involved in autopsies and investigations.
Ziad A Massy Natalia Alencar de Pinho Sophie Liabeuf John Mascarenhas Maurice Laville Luc Frimat Christian Combe Antje Appelt-Menzel Christian Jacquelinet
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