Michael D De Bellis

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This research examined how drugs and vaccines are monitored for safety after they are approved for use. The study found that using spontaneous reports from doctors and the public, alongside data from electronic health records, allows for better detection of rare side effects, enhancing our understanding of how safe these treatments are in everyday situations. This is crucial because it helps ensure that any unexpected risks are identified quickly to safeguard public health. Who this helps: Patients and healthcare providers benefit from improved safety monitoring of medications and vaccines.

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This study looked at how well different treatments work for people with liver metastases, which are tumors that start elsewhere in the body and spread to the liver. It found that patients with neuroendocrine tumors tend to do better after surgery to remove liver metastases, while those with gastric cancer usually have poorer outcomes, so surgery should only be done in certain cases. The research emphasizes that a team approach is crucial for treating colorectal liver metastases, as surgery is the only way to potentially cure these patients, especially with advancements in chemotherapy making more patients eligible for surgery. Who this helps: This helps patients with liver metastases, doctors treating these patients, and specifically those with colorectal cancer.

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This study looked at gallbladder cancer surgery to find out when the surgery might not help patients. Researchers analyzed the data from 788 patients and found that 107 of them (about 14%) had what’s called "futile surgery,” meaning they either had their cancer come back quickly or died shortly after the operation. The results showed that patients with advanced tumors or those who had more complicated surgeries faced a higher risk of these poor outcomes, with those who had successful surgery living much longer—about 57 months compared to 6.8 months for those with futile surgeries. Who this helps: This benefits patients with gallbladder cancer and their doctors by helping to decide when surgery is a good option.

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This study examined the effects of a specific type of surgery called oncologic extended resection (OER) on patients with advanced gallbladder cancer, specifically those with T3 and T4 stages. Researchers looked at data from 419 patients and found that those with T4 cancer had a higher risk of complications and a much lower chance of surviving three years after surgery (only 4%) compared to those with T3 cancer (33%). Understanding these outcomes helps doctors make better decisions about whether aggressive surgery is appropriate for individual patients with advanced gallbladder cancer. Who this helps: This helps doctors and patients by providing insights into treatment options and their risks.

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This study looked at the negative effects of antiseizure medications, which people with epilepsy often take. It found that these medications can cause serious problems, such as neurological issues and skin reactions, and that individual genetic differences can affect how these drugs work. Understanding these adverse effects and the role of genetics can help doctors better tailor treatments to avoid harmful side effects, especially for vulnerable groups like children, the elderly, and pregnant women. Who this helps: This helps patients with epilepsy, particularly those at higher risk of complications.

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This study looked at how mexiletine, a drug used for pain treatment, affects a specific sodium channel in cells that is linked to pain sensation. The researchers found that mexiletine had a similar blocking effect on this sodium channel in two different types of cells, with specific concentrations needed to block its activity, like 226 micromolar in one type and 227 micromolar in another. This finding is important because understanding how mexiletine works can help in creating new, more targeted pain relief medications. Who this helps: This benefits patients suffering from chronic pain conditions, especially those related to nerve pain.

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This study examined two methods, Transient Elastography (TE) and Point Shear Wave Elastography (pSWE), to measure liver stiffness in 85 patients with Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD). It found that both methods provided similar results for patients with mild to moderate fat in the liver, with correlation values increasing from 0.66 to 0.85 for less severe cases, but they showed poor agreement for patients with severe fat buildup, where the correlation dropped to 0.48. Understanding how these techniques compare helps doctors make better decisions about evaluating liver health, especially for patients with different levels of liver fat. Who this helps: Patients with liver conditions, particularly those with varying degrees of liver fat.

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This paper reviews deoxynojirimycin (DNJ), a natural substance found in certain plants, that can lower blood sugar, cholesterol, and inflammation, among other health benefits. Although DNJ has shown promising results in various studies, it is not yet approved as a food supplement. The research also highlights potential allergic reactions to mulberry, a source of DNJ, and discusses recent clinical trials involving products that contain DNJ. Who this helps: Patients with diabetes or metabolic disorders may benefit from DNJ's effects on blood sugar and overall health.

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This study looked at a new drug called JMV2894, which is designed to help people with Duchenne muscular dystrophy (DMD) by promoting growth hormone release. In experiments with a specific mouse model of DMD, researchers found that JMV2894 improved muscle function and size while reducing some harmful gene expressions associated with muscle wasting. Specifically, the lower dose of the drug significantly increased muscle fiber size and provided anti-atrophy effects, although it only slightly reduced muscle fibrosis. Who this helps: This research benefits patients with Duchenne muscular dystrophy and their doctors by exploring new treatment options.

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This study looked at how circulating tumor DNA (ctDNA) can help predict outcomes for patients with biliary tract cancer (BTC), which is a severe type of cancer often diagnosed late. The research included data from 12 studies with a total of 2,374 patients and found that the presence of ctDNA was linked to a 2.61 times greater risk of death and a 2.69 times higher risk of disease progression. Furthermore, higher levels of a specific ctDNA marker (called variant allele frequency or VAF) were also related to worse outcomes, indicating that these tests can help doctors identify who might need more aggressive treatment sooner. Who this helps: This research benefits patients with biliary tract cancer and their doctors by providing better tools for early detection and personalized treatment.

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This study looked at patients with a type of bile duct cancer called perihilar cholangiocarcinoma who had surgeries and found whether removing more of the bile duct after detecting cancer during surgery would benefit them. Out of 594 patients analyzed, 66 had a positive result for cancer during the surgery, and those who had further surgery were often able to achieve clear margins, meaning there was no remaining cancer. Overall, 45% of these patients were successfully treated without additional complications, and those whose cancer was fully removed had better survival rates than those who didn’t. Who this helps: Patients with perihilar cholangiocarcinoma and their doctors.

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This study looked at the effectiveness of a procedure called portal vein stenting in patients with a specific type of liver cancer called peri-hilar cholangiocarcinoma. Researchers found that this treatment was successful for all 16 patients, with 75% showing improvement in symptoms and 69% able to start anticancer therapy; the stents remained open for an average of 8 months. This is important because it helps relieve issues like bleeding and fluid buildup, improving patients' quality of life and enabling them to receive necessary cancer treatments. Who this helps: This benefits patients with peri-hilar cholangiocarcinoma who are struggling with severe symptoms.

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This study examined how three-dimensional visualization technology (3DVT) helps medical students and surgical residents understand liver anatomy and tumors better than traditional 2D CT scans. Out of 32 participants, those using 3DVT made significantly more accurate identifications of tumor characteristics 84.6% of the time compared to 61.1% with CT scans, and they also needed about 51 seconds less time to answer questions. This is important because it means that using 3D models can help future doctors prepare more effectively for liver surgeries, leading to better patient outcomes. Who this helps: This helps medical students, surgical residents, and ultimately patients undergoing liver surgery.

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This research paper examines the importance of checking the radial margin (the edge of tissue removed during cancer surgery) in patients with perihilar cholangiocarcinoma, a type of bile duct cancer. The findings show that surgery can lead to better survival rates when the radial margins are clear of cancer, with some reports showing that this can range from 19% to 95% success in achieving clear margins. However, many patients still face recurrence of cancer, with only about 15% remaining free of cancer five years after surgery, highlighting the need for better reporting on surgical margins to improve treatment outcomes. Who this helps: This benefits patients undergoing surgery for perihilar cholangiocarcinoma and their doctors by improving treatment strategies and outcomes.

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This study looked at advanced cholangiocarcinoma (CCA), a rare and aggressive bile duct cancer, by analyzing data from 120 patients over several years. Researchers found that many patients had poor outcomes, with a median survival of just 13.1 months, and that factors like how a patient responded to initial chemotherapy and how many metastatic sites there were significantly impacted survival. The study revealed that 41.1% of patients received a combination of drugs called cisplatin and gemcitabine, yet about one-third of patients did not receive any systemic treatment, highlighting a need for better treatment options and personalized approaches based on genetic differences. Who this helps: This helps patients with advanced cholangiocarcinoma and their doctors by providing insights for improving treatment strategies.

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This study looked at how certain characteristics of liver tumors located near blood vessels affect the success of a treatment called radiofrequency ablation (RFA). Researchers reviewed data from 132 patients and found that the overall success rate of the treatment was about 72%, with a notable 4% complication rate. They discovered that smaller tumors (20 mm or less) and certain blood vessel characteristics improved treatment outcomes and reduced the chance of cancer returning. Who this helps: This helps patients with small liver tumors located near blood vessels who are seeking non-surgical treatment options.

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This study looked at young adults who graduated high school but did not attend traditional four-year colleges to understand what factors make them likely to start drinking heavily. Researchers followed 106 of these young adults and 453 traditional college students for eight years, finding that while college students typically began heavy drinking during college, the others started later. Key risk factors for the non-college group included experiences of sexual and physical abuse for girls, and a tendency towards being outgoing for boys, highlighting the need for targeted alcohol prevention efforts for those entering the workforce or military. Who this helps: This research helps young adults entering the workforce and community colleges, as well as the programs designed to support them.

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This study looked at a type of liver cancer called intrahepatic cholangiocarcinoma (ICC) to better understand its different forms and how they affect survival rates. Researchers analyzed data from nine studies involving 910 patients and found that for the subtypes linked to poor outcomes, only 25.7% of patients survived 3 years, while for those linked to better outcomes, survival was 70.2%. This matters because identifying the subtype of ICC can help doctors predict a patient’s prognosis and tailor treatment more effectively. Who this helps: This helps patients and doctors by providing clearer information for treatment decisions.

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Researchers studied a special type of material called quasi-periodic metamaterials, designed using a pattern based on the Fibonacci sequence. They found that these materials can change how they respond to vibrations at different frequencies, which allows for new potential uses in sound and vibration control. This is important because it could lead to better designs for things like noise barriers or materials that absorb shock. Who this helps: This benefits engineers and designers working on building materials and soundproofing technologies.

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This study looked at a patient with intrahepatic cholangiocarcinoma, a type of liver cancer, who has survived for over 18 years despite multiple recurrences that required surgery. The patient had four surgical procedures and the tumors shared similar genetic characteristics, which helps us understand how this cancer behaves and can inform future treatments. This information is important because it shows the value of closely monitoring patients after surgery to catch any returning tumors early, which could lead to better outcomes. Who this helps: This benefits patients with intrahepatic cholangiocarcinoma and their doctors.

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This study looked at how to predict early cancer recurrence in patients with a specific type of liver cancer called peri-hilar cholangiocarcinoma (PCC) by creating a tool called the Preoperative Recurrence Score (PRS). Researchers found that certain factors, like tumor size over 18 mm and involvement of nearby blood vessels or lymph nodes, significantly increased the risk of cancer returning after surgery. For instance, patients with a high PRS had a one-year recurrence rate of 80% in one group, highlighting the tool's effectiveness in assessing risk before surgery. Who this helps: This helps patients and doctors make better decisions about surgery for liver cancer.

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Researchers studied how cancer-associated fibroblasts (CAFs) interact with tumor cells in a specific type of liver cancer called intrahepatic cholangiocarcinoma (iCCA). They found that a drug called Crenigacestat effectively reduced tumor growth and invasion by blocking these interactions, leading to a significant decrease in the size of tumors in animal models—specifically, the drugs reduced tumor sizes by an unknown percentage reported in the study. This research is important because it reveals a new target for cancer treatment, which could help slow down the progression of this aggressive cancer. Who this helps: Patients with intrahepatic cholangiocarcinoma.

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This study looked at a new three-dimensional visualization technology called HA3D™ to improve planning for complex liver surgeries. Researchers found that this technology helped identify important details about patients' liver anatomy and tumor spread. Specifically, it revealed vascular variations in about 60% of patients and led to changes in surgical plans for nearly 30% of cases, which could improve surgical outcomes. Who this helps: This benefits patients undergoing complex liver surgeries by allowing for more precise and effective treatment planning by their doctors.

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This study examined how alcohol use affects the thickness of brain regions in adolescents, following 657 young people aged 12 to 22 over several years using brain scans. Researchers found that younger adolescents who drank heavily experienced a faster decline in brain thickness compared to older drinkers, indicating that alcohol impacts brain development more severely in younger individuals. This matters because understanding these effects can help inform prevention strategies and treatment for adolescent alcohol use. Who this helps: This helps adolescents and their families, as well as healthcare providers working on alcohol prevention and treatment.

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This study examined brain structure differences in people with posttraumatic stress disorder (PTSD) compared to those without the condition, looking specifically at the thickness and surface area of the brain's cortex in nearly 3,439 subjects. They found that specific brain areas, particularly those involved in emotion and memory, showed significant changes in people with PTSD, especially in children and adolescents. These findings are important because they may help identify new treatment approaches for PTSD by targeting the key areas of the brain that are most affected. Who this helps: Patients with PTSD and their doctors.

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This research focused on sodium channels in muscles, specifically looking at how blocking these channels can help treat myotonia, a condition that causes muscle stiffness and slow relaxation after contractions. The study emphasizes the need for better treatments that target a specific muscle sodium channel called Na1.4, especially since current medications like mexiletine aren't selective, meaning they can affect other channels too. Improving these treatments is important for effectively managing myotonia and enhancing patients' quality of life. Who this helps: Patients with myotonia and related muscle conditions.

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This study looks at pancreatic cancer, a highly deadly illness often diagnosed too late for effective treatment. Researchers found that current screening methods, like MRI and ultrasound, struggle to detect early-stage pancreatic lesions, which are crucial for improving survival rates. They suggest that using artificial intelligence to better identify patients at high risk could enhance early diagnosis and treatment options. Who this helps: This helps patients at risk of pancreatic cancer and their doctors.

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This study looked at how supplementing aged mice with branched-chain amino acids (BCAAs) and a specific combination of alanine compounds affects muscle loss, a condition known as sarcopenia. After 12 weeks of treatment, the older mice showed a significant improvement in muscle strength and size, with muscle volume increasing by at least 20% and muscle fiber size by over 69%. This is important because it suggests that BCAAs could help reverse some effects of aging on muscles, potentially improving the quality of life for older individuals by maintaining muscle function. Who this helps: This research benefits older adults facing muscle loss as they age.

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This study looked at two aggressive types of cancer: pancreatic ductal adenocarcinoma (PDAC) and distal cholangiocarcinoma (dCCA). It found that while both cancers have similar appearance under the microscope and are hard to tell apart, dCCA patients generally have a better outlook for survival. Understanding these differences is important because they can guide doctors in choosing specific treatments that might work better for each cancer type. Who this helps: This helps doctors and cancer patients by improving diagnosis and treatment decisions.

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This research studied whether a treatment called intravesical Bacillus Calmette-Guerin (BCG), commonly used for bladder cancer, could help protect patients from COVID-19. The study included 506 patients: 340 received BCG and 166 received chemotherapy. The findings showed that those who received BCG did not experience significantly fewer COVID-19 infections or severe illness compared to the chemotherapy group, indicating that BCG does not offer protection against the virus. Who this helps: This information helps doctors making treatment decisions for bladder cancer patients during the pandemic.

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This study looked at how starting to drink alcohol affects sleep patterns in adolescents aged 12 to 21 over four years. Researchers found that as teens began to use alcohol more heavily, their sleep quality dropped significantly: they had about 15% less REM sleep, took longer to fall asleep, and slept less overall. These changes in sleep can interfere with brain development during this critical stage of life. Who this helps: This information benefits parents and healthcare providers by highlighting the risks of alcohol use on teens' sleep and development.

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This study examined how the loss of muscle mass, known as sarcopenia, affects cancer progression in patients with T1 high-grade non-muscle invasive bladder cancer who received a specific treatment called Bacillus Calmette-Guerin (BCG). Researchers found that sarcopenia was present in 70% of the 185 patients studied, and it was linked to a 3.41 times higher risk of disease progression. Recognizing sarcopenia can improve clinical decision-making about patient treatment. Who this helps: This information benefits patients with bladder cancer and their doctors in making informed treatment choices.

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Researchers studied the effects of growth hormone secretagogues (GHSs) on mice with Duchenne muscular dystrophy (DMD), a muscle-wasting condition. They found that GHSs improved muscle strength and reduced fibrosis, with one compound, JMV2894, increasing forelimb strength by 32% and reducing fibrosis markers by up to 75%. This is important because it suggests that GHSs could help slow the progression of DMD, offering a new avenue for treatment. Who this helps: This helps patients with Duchenne muscular dystrophy and their families.

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This study looked at gallbladder cancer surgery around the world to find the best outcomes for patients. Researchers examined 906 patients from 13 medical centers and identified a benchmark group of 245 patients who had the best results, with only 20% experiencing complications and a median hospital stay of just 6 days. These benchmarks help hospitals evaluate their surgical performance and improve patient care, ensuring safer surgeries and better recovery times. Who this helps: This benefits patients undergoing gallbladder cancer surgery and their healthcare providers.

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This study looked at how effective endoscopic ultrasound fine-needle biopsies (EUS-FNB) are in assessing specific genetic markers in non-functional pancreatic neuroendocrine tumors (NF-PanNETs), which can indicate how aggressive the tumor is. Researchers found that the tests on biopsy samples matched very closely with results from surgical specimens: 95.1% for DAXX, 92.7% for ATRX, and 100% for ALT status. Identifying these markers helps doctors better predict which tumors are aggressive and might lead to worse outcomes, allowing for more targeted treatment plans. Who this helps: This helps patients with pancreatic tumors and their doctors.

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This paper reviews how a treatment called endobiliary radiofrequency ablation (ERFA) affects survival in patients with a type of cancer called unresectable cholangiocarcinoma, which usually has a poor prognosis with survival of less than one year. The research shows that ERFA can extend median survival by about 6 months and may improve the effectiveness of chemotherapy without raising the risk of complications. This is significant because it offers a new way to manage a challenging cancer and potentially improve patients' quality of life. Who this helps: This helps patients with unresectable cholangiocarcinoma and their doctors.

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This research paper looks at the treatment of biliary tract cancers (BTCs), which typically have poor outcomes because they are often diagnosed late. It focuses on immunotherapy, especially immune checkpoint inhibitors, which can help some patients whose tumors have specific characteristics, with ongoing studies showing that these treatments may benefit a wider group of patients. Additionally, the paper discusses new methods to use blood tests to detect cancer signals, which could help with early diagnosis and monitoring treatment response. Who this helps: This benefits patients with biliary tract cancers and their doctors by providing new insights into potential treatments and monitoring methods.

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This study looked at whether using visual booklets can help people better prepare for a colonoscopy, which is important for getting clearer results. The research included 1,755 patients and found that 86.7% who used booklets had good bowel preparation, compared to 77.5% in the control group. Importantly, the group that did not use a specific type of preparation (PEG) saw even better results with the booklets, showing that they are especially helpful for outpatients. Who this helps: This helps patients preparing for a colonoscopy.

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This study looked at how effective colonoscopies are for people with Lynch syndrome, a genetic condition that increases the risk of colorectal cancer. Researchers found that while colonoscopies have been important for monitoring these patients, recent data suggest their effectiveness in preventing colorectal cancer may not be as strong as previously believed. This matters because it could change how doctors approach care for patients with Lynch syndrome and might lead to new guidelines for screening and prevention. Who this helps: Patients with Lynch syndrome and their healthcare providers.

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This study looked at how using advanced imaging techniques, called radiomics, can help predict important details about intrahepatic cholangiocarcinoma (ICC) tumors before surgery. Researchers analyzed data from 244 patients and found that using radiomic features alongside standard clinical information improved the accuracy of predicting tumor grading and the presence of microvascular invasion. Specifically, the best prediction models had an accuracy of 77% for tumor grading and 75% for microvascular invasion, which is significantly better than methods that only use clinical data. Who this helps: This research benefits doctors and patients by providing more accurate predictions about tumor characteristics, which can guide treatment decisions.

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This study looked at using brain scans to see if they can help diagnose Post-Traumatic Stress Disorder (PTSD). Researchers analyzed brain images from nearly 7,000 individuals and found that classifying PTSD was challenging, with accuracy rates between 56% and 60% across different types of scans, but it improved to 75% when focusing on those without any trauma history. This research is important because it shows how using large and diverse data can improve the reliability of using brain scans for PTSD diagnosis in different settings. Who this helps: Patients with PTSD and their doctors.

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This study looked at how effective Small Intestinal Contrast Ultrasonography (SICUS) is for diagnosing Crohn's Disease compared to other imaging techniques like CT scans. They found that SICUS is highly effective, with a sensitivity of 95% for diagnosing Crohn's Disease overall and a perfect 100% sensitivity for detecting abscesses, though it was less effective for strictures and fistulae. These findings matter because SICUS is a non-invasive method that can help detect Crohn's Disease and its complications more easily and accurately. Who this helps: Patients with Crohn's Disease and their doctors.

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This study looked at different ways to analyze brain scan data from people with and without post-traumatic stress disorder (PTSD) collected from 29 sites. Researchers found that a method called ComBat-GAM was the best for spotting differences in brain thickness between these groups, showing significant findings for factors like age and sex. This matters because using ComBat-GAM helps researchers get clearer and more accurate insights, which can improve understanding of brain changes related to PTSD and trauma. Who this helps: This helps researchers and doctors studying brain health, particularly in individuals affected by trauma or PTSD.

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This study looked at the success of laparoscopic liver surgery (LLS) by examining various factors that lead to a good overall outcome, known as a "textbook outcome" (TO). Out of 421 patients, 80.5% achieved a TO, while only 60.8% had an even better outcome, which included no extended hospital stay. The findings showed that the success of surgery is largely affected by factors like the patient’s age, the length of the surgery, and blood loss during the operation. Who this helps: This helps patients undergoing laparoscopic liver surgery and their doctors.

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This study looked at how metronidazole resistance affects treatments for Helicobacter pylori (H. pylori), a common stomach infection. Researchers found that almost 95% of patients successfully got rid of the infection, regardless of whether they had metronidazole-resistant strains or not. Specifically, all 18 patients with metronidazole resistance were still able to eliminate the infection, which shows that current treatments remain effective even when resistance is present. Who this helps: This helps patients with H. pylori infections by ensuring effective treatment options.

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This study looked at how to efficiently color or identify curves in models that represent mechanical filters, especially when those curves intersect. The researchers developed a new automatic method that can accurately minimize variations in these curves, achieving results that align well with the desired properties of the filters, making the solutions smoother and more periodic. This matters because it can lead to better performance in devices that use these mechanical filters. Who this helps: This helps engineers and scientists working on advanced materials and mechanical systems.

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This study looked at how well doctors can assess surgical margins in patients with perihilar cholangiocarcinoma, a type of bile duct cancer, and how this assessment affects patient survival. Among 90 patients, only 46% had a successful complete resection (called true R0), while 54% had some cancer left (R1). Patients with true R0 lived longer, with a median survival of 53 months compared to 28 months for those with R1. Who this helps: This research benefits patients with perihilar cholangiocarcinoma by improving surgical outcomes and treatment options.

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This study looked at two different solutions for cleaning out the bowels before a colonoscopy: one made of sodium picosulphate plus magnesium citrate (SPMC) and another made of polyethylene glycol plus ascorbic acid (PEG-ASC). Both preparations were similarly effective, with a success rate of 94.4% for PEG-ASC and 95.7% for SPMC. However, patients found SPMC easier to tolerate and were more willing to repeat the process compared to those using PEG-ASC, making SPMC a more comfortable option for bowel prep. Who this helps: This benefits patients preparing for colonoscopies.