Sentences with phrase «tumor treatment studies»

currently the tumor treatment studies are restricted to primary tumors but very little is being done to understand nanoparticle routing and penetration of metastatic site

Not exact matches

Chicago, GenomeWeb — A new study by researchers from Memorial Sloan Kettering Cancer Center has demonstrated the predictive power of an AR - V7 protein expression test using Epic Sciences» non-EPCAM-based circulating tumor cell detection platform, which could help guide treatment decisions for men with metastatic castration - resistant prostate cancer.
Given the results of a a new study reported in the British medical journal, The Lancet4 that children and young adults scanned multiple times by CT have a small increased risk of leukemia and brain tumors in the decade following their first scan, parents should make sure a CT scan is really necessary in treatment of their child after head injury.
To that goal, Smith is launching a radiation study looking at two - to - two - and - a-half weeks of treatment of external beam treating a large area surrounding the tumor bed.
Even before treatment, cancer patients in the study had a small number of infection - and tumor - fighting T cells that target these unusual proteins, the researchers found.
According to the study, in the treatment of small renal tumors, the ideal outcome of both complete oncologic control and preservation of renal function is not presently available.
The discovery of a treatment capable of blocking the mechanism responsible for the formation of metastasis and the existence of a family of promising compounds, is encouragement for their future assessment in a clinical study that aims to validate a preventive treatment against tumor metastasis.
However, the majority of patients develop treatment - resistant tumors, and only 10 to 15 percent of these patients survive long term, says Ie - Ming Shih, M.D., Ph.D., the Richard W. TeLinde Distinguished Professor in the department of Gynecology and Obstetrics, who led the study with Tian - Li Wang, Ph.D., an associate professor of pathology and oncology at the Johns Hopkins University School of Medicine.
Led by Stella K. Kang, a radiologist with the Department of Radiology at the New York School of Medicine, the study was designed to compare the effectiveness of a treatment algorithm for small renal tumors incorporating the nephrometry score, a renal tumor anatomy scoring system developed by urologists, with the current standard of uniformly recommended partial nephrectomy in patients with mild - to - moderate chronic kidney disease (CKD).
«Surgery is the main treatment option for patients with most solid tumors, but recurrence and metastasis remain significant problems,» says study senior author Michael Goldberg, PhD, assistant professor at Dana - Farber and Harvard Medical School.
Pre-clinical studies have shown that ALT - 803 activates the immune system to mobilize lymphocytes against tumor cells and could potentially serve as an important component in combination treatments.
«Although radiosurgery has been shown to be an effective post-surgical treatment for metastatic brain tumors, previous studies did not compare patient outcomes from a single hospital over the same period of time,» said N. Scott Litofsky, M.D., chief of the Division of Neurological Surgery at the MU School of Medicine and senior author of the study.
Moreover, primary tumor locations should be carefully considered when deciding treatment intensity in metastatic and locoregional settings, and should represent an important stratification factor for future adjuvant studies,» the article concludes.
Pembrolizumab, or pembro, an immunotherapy drug that unmasks cancer cells and allows the body's own immune system to help destroy tumors, appears to be safe in treating lung cancers, according to a study by Cancer Treatment Centers of America ® (CTCA) at Western Regional Medical Center (Western) in Goodyear, Arizona.
In past imaging studies, my colleagues and I noticed that cervical tumors that took up a lot of glucose prior to radiation treatment tended to be more resistant to radiation therapy than other tumors.
That allowed tumor cells to survive gemcitabine treatment in lab dishes and mouse studies, Leore Geller of the Weizmann Institute of Science in Rehovot, Israel, and colleagues discovered.
Studies in recent years by Beatty's laboratory and others have pointed to one potential source of this treatment resistance: Pancreatic tumors tend to surround themselves with a protective «microenvironment.»
Although changes in treatment methodology still have to be studied, Dr. Cripe believes it may be that the timing of various treatments is what matters, and that perhaps initially suppressing immunity could allow the virus to infect a large number of tumor cells before relieving the immunosuppression to allow the body's own T cells to fight off the tumor.
«Studies like the current one involving rhabdomyosarcoma are giving us a close - up look at the way cancer evolves in response to treatment,» said study co-author Richard K. Wilson, Ph.D., director of The Genome Institute at Washington University School of Medicine in St. Louis, where scientists have extensive expertise analyzing tumor recurrence using whole - genome sequencing.
«Study identifies potential treatment target for pancreatic cancer: Molecular signature found in 30 percent of PDAC tumors associated with more aggressive cancer.»
Called the Canakinumab Anti-inflammatory Thrombosis Outcomes Study (CANTOS) and funded by the drug giant Novartis, the trial also found fewer cases of lung cancer in those on the treatment, rekindling basic research findings hinting that the same inflammatory pathway may initiate or spur the growth of such tumors.
While previous studies have surveyed the genomic characteristics of tumors confined to the prostate gland, the new study is the first to focus on metastatic hormone resistant prostate cancers, which can be difficult to treat because they often develop resistance to standard treatments.
«In the clinic, we frequently test myc levels in patients» tumors, for disease prognosis and to predict treatment response,» said Michael Pourdehnad, MD, a clinical oncologist at UCSF with Ruggero's lab and the first author of the study.
Consequently, «metformin is being studied in various solid tumors,» Karmalis says, «and has the potential to change treatment paradigms for a number of cancer types,»
The discovery of an unexpected biochemical link within tumor cells should lead to clinical trials for experimental drug treatments that indirectly target myc and that already are being evaluated in human studies, the researchers said.
The team's recent study in mice has found that the treatment reduced the mass of ovarian cancer tumors and was more effective at suppressing tumor growth than chemotherapy.
«Drug could limit spread of deadly brain tumors: Study shows PPF could help treat glioblastomas by sensitizing tumors to chemotherapy, radiation treatments
«Additional studies are needed to see if these nanoparticles could also effectively deliver other antitumor genes for the treatment of brain tumors as well as systemic cancers.»
«By understanding how stress accelerates invasion in aggressive breast tumor cells, this work will inform future studies into whether beta - blockers could be a useful adjuvant therapy in the treatment of some aggressive breast cancers.»
Because bazedoxifene has already undergone safety and efficacy studies as a treatment for osteoporosis, it may be a viable near - term option for patients with advanced breast cancer whose tumors have become resistant to other treatment options, Wardell reported.
Chemotherapy and other cancer treatments are supposed to get rid of the disease, but a new study finds they can elicit aggressive tumor growth instead, STAT reports today.
The study also suggests how ovarian cancer treatments can be tailored based on the metabolic profile of a particular tumor.
«Other studies have looked at racial disparities in treatment and still others have focused on racial differences in survival rates of cancer patients, but our research attempted to go further by demonstrating the impact of race - based inequalities in cancer treatment on survival rates of black colorectal cancer patients,» said James D. Murphy, MD, MS, assistant professor and chief of the Radiation Oncology Gastrointestinal Tumor Service at UC San Diego Moores Cancer Center.
«Mouse studies hold promise for a simple treatment for an aggressive gastric tumor
The first long - term study of a pioneering endoscopic laser treatment for early vocal - cord cancer, developed at Massachusetts General Hospital (MGH) and previously shown to provide optimal voice outcomes, finds that it is as successful as traditional approaches in curing patients» tumors while avoiding the damage to vocal quality caused by radiotherapy or by conventional laser or cold - instrument surgery.
«The study demonstrates that controlled heating of one tumor can stimulate an immune response that attacks another tumor that has not had the heat treatment,» said Steve Fiering, PhD, Norris Cotton Cancer Center researcher and professor of Microbiology and Immunology, and of Genetics at the Geisel School of Medicine at Dartmouth.
This study included 68 childhood cancer survivors who had received cranial irradiation, intrathecal chemotherapy or both for treatment of acute lymphoblastic leukemia (ALL) or brain tumors.
«These findings raise the possibility that by determining the gene expression profile of a patient's tumor, physicians may be able to identify aggressive disease at the outset of diagnosis and start treatment earlier,» said Sungyong You, PhD, an instructor in the Cedars - Sinai Department of Surgery and the first author of the study.
The study, published in Nature Genetics, offers the possibility that targeting these processes, instead of single genes, may provide new opportunities for treatment of Wilms tumor.
The study, «Testosterone Treatment is a Potent Tumor Promoter for the Rat Prostate,» was published online, ahead of print.
Matthew J. Ellis, MD, PhD, said the research, presented at the San Antonio Breast Cancer Symposium, is a step toward precision medicine, allowing scientists to study tumors from patients whose treatment regimens are well - documented.
Researchers could identify which individual cells — from a tumor or a strain of bacteria — survive a drug treatment and study them further, something that's not possible with current culture - and - stain tests, Demirci says.
Our findings suggest the location of spread is less important than the amount of tumor that is present before treatment,» says the study's lead investigator, Richard W. Joseph, M.D., an oncologist at Mayo Clinic in Florida.
If we validate this study in similar, but larger groups of patients, we can develop a test based for CFS breaks; the results would allow us to place patients in one of two categories: those whose tumors do not have CFS breaks and who would likely do well with local treatment alone (e.g. radiotherapy or surgery); and, those patients whose tumors do have CFS breaks and would need a more complex treatment protocol, in addition to RT or surgery, to combat distant spread.»
Two case studies provide an important potential new avenue for treatment of these types of tumors, which are resistant to traditional radiation therapies and difficult to manage even with surgery, the current standard of care.
In this study, researchers assessed the outcomes of 280 prostate cancer (Cap) patients, and reviewed the DNA «fingerprints» of each patient's tumor (using the patient's initial diagnostic core biopsy) to determine if gene copy number alterations (CNAs), or breaks in CFSs, were related to a less positive response to treatment.
In animal models, the modified T cells greatly reduced the tumor burden and prolonged overall survival: All mice that received the modified T cells were alive 44 days after treatment versus 29 percent and 17 percent of the study's two control groups.
In the pilot study, recently published in the journal World Journal of Urology, this method has now been applied successfully at the Department of Urology at the Medical University of Vienna for the first time to the surgical treatment of complex renal tumors.
Image guided radiation therapy (IGRT) is a commonly used modality to ensure treatment accuracy in the management of pediatric tumors; however, consensus recommendations are needed in order to guide clinical decisions on the use of IGRT in treating pediatric patients, according to a study published in the September - October 2014 issue of Practical Radiation Oncology (PRO), the official clinical practice journal of the American Society for Radiation Oncology (ASTRO).
«Our study aimed to compare contrast - enhanced mammography with breast MRI in evaluating residual breast cancer in patients undergoing presurgical systemic treatment to shrink their tumor size,» says Bhavika Patel, M.D., a radiologist at Mayo Clinic's Arizona campus.
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