Tackling side effects in head and neck cancer treatment – the end of the road for hyperbaric oxygen?

Source: Cancer Research UK Date: May 2, 2019 Author: Katie Roberts Some side effects appear years after cancer treatment. That’s the case for one side effect of radiotherapy for head and neck cancer, called osteoradionecrosis. This painful condition results from damage to the jaw bone, which often doesn’t heal properly and can cause bone fractures or even bone death. It can develop without an obvious trigger, but it’s often linked to dental work like tooth extractions or implants. And it can happen even if the dental work is carried out 20 years after radiotherapy. Professor Richard Shaw, a Cancer Research UK-funded head and neck surgeon at the University of Liverpool, treats the difficult condition quite frequently through reconstructive surgery. Shaw says that these procedures are often bigger and harder than patients’ original cancer surgery, because they’ve already had so much treatment in that area. For that reason, researchers have looked for ways to prevent osteoradionecrosis from developing. And that’s where hyperbaric oxygen comes in. It started with a small trial in the 80s, which has influenced the way doctors prepare patients for dental surgery ever since. But new Stand Up To Cancer trial data, led by Shaw and published in the International Journal of Radiation Oncology, shows the hyperbaric oxygen hype may have been a bit premature. The trial of hyperbaric oxygen Back in the 1980s, a small trial in the US showed that giving hyperbaric oxygen before dental surgery could reduce the risk of osteoradionecrosis developing. What is hyperbaric oxygen therapy? Hyperbaric oxygen treatment involves [...]

2019-05-06T10:21:09-07:00May, 2019|Oral Cancer News|

Oral HPV DNA Persistence After Head and Neck Cancer Treatment Linked to Disease Progression

Source: genomeweb Date: May 2, 2019 Author: Staff Reporter NEW YORK (GenomeWeb) – Persistent traces of human papilloma virus DNA after treatment for HPV-positive head and neck cancer is linked to an increased recurrence risk, a new study has found. Head and neck cancers affect some 53,000 people in the US each year, according to the National Cancer Institute, and HPV has been implicated in many of those cases. In general, patients with HPV-positive tumors have higher survival rates than those with HPV-negative tumors. A team of MD Anderson Cancer Center-led researchers collected oral rinse samples from nearly 400 patients with head and neck squamous cell carcinomas at diagnosis and as their treatments progressed. As they reported today in JAMA Oncology, the researchers found that viral load in patients' oral samples broadly decreased as they underwent therapy. But some patients' viral loads persisted despite treatment, which was linked to an increased risk of cancer recurrence and death, the researchers reported. "Our data suggest that a subset of patients with HPV-positive HNSCC at high risk for locoregional recurrence can be identified by detection of persistent, oral HPV after treatment," MD Anderson's Maura Gillison and her colleagues write in their paper. The researchers enrolled 396 patients with oral cavity, oropharyngeal, or unknown primary HNSCC in their study. They tested the patients' tumors for the presence of 13 high-risk HPV types using an mRNA expression test and found 202 patients had HPV-positive tumors. At the same time, the researchers collected oral rinse samples from patients [...]

2019-05-06T10:20:43-07:00May, 2019|Oral Cancer News|

Oral rinse could improve mouth pain associated with radiation therapy

Source: www.specialtypharmacytimes.com Author: staff An oral rinse containing diphenhydramine, lidocaine, and antacids, was found to significantly decrease pain caused by oral mucositis in patients undergoing radiation therapy for head and neck cancer compared with placebo, according to a study published in JAMA. The multi-institution, randomized, double-blind, placebo-controlled phase 3 clinical trial was led by Robert Miller, MD, an emeritus Mayo Clinic radiation oncologist. "Our group published a study in 2012 showing that an oral rinse of doxepin reduced oral mucositis-related pain compared to placebo," Miller said in a press release. "However, there were no large randomized controlled trials studying the potential benefits of magic mouthwash." The researchers evaluated 275 patients between November 2014 and May 2016. The study revealed that treatment with both doxepin and the mouthwash combination significantly reduced pain associated with oral mucositis compared with placebo. The doxepin and mouthwash combination treatment was also well-tolerated by patients, according to the study. "Radiation therapy may cause mouth sores because it is designed to kill rapidly growing cells, such as cancer cells," co-author, Terence Sio, MD, a Mayo Clinic radiation oncologist, said in a press release. "Unfortunately, healthy cells in your mouth also divide and grow rapidly, and may be damaged during radiation therapy, which can cause discomfort. We're glad to have identified a proven method to help treat the discomfort of this side effect."

Twitter lends insight to HPV-associated oral cancer knowledge

Source: www.oncnursingnews.com Author: Brielle Benyon The incidence of human papillomavirus (HPV)-associated oral cancer has risen in recent years, and the virus has now surpassed tobacco and alcohol use as the leading cause of the disease. In fact, while the HPV vaccine is typically associated with preventing cervical cancer, there have been more cases of HPV-associated oral cancer than there have been cervical cancer.1 While the link between oral cancer and HPV may be well-known to healthcare professionals, researchers at Howard University recently took to Twitter to get a glimpse into the public’s knowledge about the topic. “By looking at the social media data, we wanted to know what people are hearing about oral cancer – especially HPV-caused oral cancer,” study co-author Jae Eun Chung, PhD, associate professor in the Department of Strategic, Legal & Management Communication at Howard University, said. “We wanted to see what the gaps are between the knowledge of the healthcare professionals and the public.” The researchers collected 3,229 unique tweets over the course of 40 weeks using search terms such as “HPV or papilloma” and “mouth or oral or throat or pharyngeal or oropharyngeal.” They then used a program called nVivo 12.0 to conduct a content analysis that looked at certain phrasing, terms, and themes that commonly appeared. More than half (54%; 1679 total) of the tweets had information about prevention, while 29% (910) were about the causes of oral cancer. Far fewer tweets were about treatment (5%; 141), diagnosis (3%; 97), symptoms (1%; 42), and [...]

‘Whitish patch’: increase in oral dysplasia in young adults

Source: www.medscape.com Author: Kristin Jenkins Most 8-year-olds with a wiggly tooth expect the Tooth Fairy to tuck some money under their pillow. In the case of one little Canadian boy, his wiggly tooth got him an incisional biopsy, a diagnosis of oral squamous cell carcinoma (OSCC), a partial maxillectomy, and a defect that was closed with local advancement flaps. "This was the most unusual case we've seen," said Marco A. Magalhaes, DDS, PhD, assistant professor of oral pathology and oral medicine in the Faculty of Dentistry at the University of Toronto in Ontario, Canada. "OSCC predominantly affects patients 40 years of age and older," write Magalhaes and colleagues in a case study report published in November 2016 in Oral Surgery Oral Medicine Oral Pathology Oral Radiology. "It is extremely rare in patients younger than 20 years of age." The clinical, radiographic, and histologic findings in this young patient were distinctive. Although the diagnosis and treatment were challenging, the clinical course was favorable at follow-up, the authors said. This case illustrates the fact that even pediatric patients can be at risk for OSCC. Magalhaes said that he and other dentists are concerned about the rising number of OSCC cases in patients who are in their 20s and 30s. These patients have no known risk factors and are often without symptoms. Many are diagnosed with high-grade oral epithelial dysplasia (OED) that rapidly progresses to cancer, Magalhaes told Medscape Medical News. "When you look at the distribution of cases of oral dysplasia or [...]

New technology that transforms brain signals into speech may give voice to people with Parkinson’s, throat cancer

Source: www.techtimes.com Author: Naia Carlos Tech Times Technology has advanced so greatly that even patients who have completely lost their voice could potentially have it restored soon. In fact, scientists have already developed a computer-based system that can translate brain activity into speech. Someday in the future, this system could help individuals who have lost their speech through various conditions, such as Parkinson's disease, throat cancer, and paralysis. "Speech is an amazing form of communication that has evolved over thousands of years to be very efficient," said Edward F. Chang, M.D., senior author of the study and professor of neurological surgery at the University of California, San Francisco. "Many of us take for granted how easy it is to speak, which is why losing that ability can be so devastating. It is our hope that this approach will be helpful to people whose muscles enabling audible speech are paralyzed." Scientists Develop Computer-Generated Speech Translator In a study published in the journal Nature, researchers shared the details of their new technology. First, the team collected recordings of the brain activity of epilepsy patients without speech problems and who are scheduled to undergo surgery. The researchers had each patient speak or mime in full sentences, then they constructed maps on how the brain directs the entire vocal system to make sounds. The second step involved the maps getting applied to a computer program that produced the speech. Volunteers listened to the computer-generated speech and asked to transcribe what they heard. In more [...]

Cancer ‘vaccine’ shown to be effective in small trial

Source: www.upi.com Author: Dennis Thompson, HealthDay News A new method of brewing a cancer vaccine inside a patient's tumor could harness the power of the immune system to destroy the disease, researchers report. Immune stimulants are injected directly into a tumor, which teaches the immune system to recognize and destroy all similar cancer cells throughout the body, said senior researcher Dr. Joshua Brody. He is director of the Lymphoma Immunotherapy Program at the Icahn School of Medicine at Mount Sinai in New York City. "We're injecting two immune stimulants right into one single tumor," Brody said. "We inject one tumor and we see all of the other tumors just melt away." Eight out of 11 lymphoma patients in a small, early clinical trial experienced partial or complete destruction of the tumor that received the initial injection, according to the report published April 8 in the journal Nature Medicine. The vaccine also halted overall cancer progression in six patients for three to 18 months, and caused significant regression or actual remission in three patients, the investigators found. The results were solid enough that the research team is expanding its next clinical trial to include lymphoma, breast, and head and neck cancer patients, Brody said. That trial started in March. Prior efforts at unleashing the immune system to fight cancer have focused on T-cells, which Brody calls the "soldiers" of the immune army because they directly attack harmful invaders in the body. Drugs called checkpoint inhibitors help T-cells identify cancer cells as [...]

How does alcohol compare with tobacco in terms of cancer risk?

Source: rocklandregister.com Author: Rockland Staff Everyone knows, these days, about the cancer risks associated with smoking cigarettes. Perhaps not as many understand that drinking alcohol also poses some elevated risk for developing cancer. A new study, however, has compared and quantified these risks in a new report suggesting that drinking a single bottle of wine per week can bear the equivalent cancer risk of at least five cigarettes. Study author Dr. Theresa Hydes comments, “It is well-established that heavy drinking is linked to cancer of the mouth, throat, voice box, gullet, bowel, liver, and breast. Yet, in contrast to smoking, this is not widely understood by the public.” According to the National Cancer Institute, data shows there are “clear patterns” related to alcohol consumption and the development of several types of cancer: liver cancer, colorectal cancer, esophageal cancer, breast cancer, and head and neck cancer. Essentially, the more you drink (both acutely and cumulatively), the higher your risk for developing cancer. However, the study also suggest that even very light drinks (one or fewer drinks per day, or up to 7 per week) have about the same moderately elevated risk as binge drinkers (sporadic drinking of at least four servings in one session). From this data, then, a British team of researchers from University of Southampton, Bangor University, and the University Hospital Southampton NHS Foundation Trust investigated the data, particularly in how alcohol consumption might compare against smoking. Analyzing data taken from Cancer Research UK—regarding lifetime cancer risk across the [...]

April is Oral Cancer Awareness Month: Self-exams, early detection can save lives

Source: www.prnewswire.com Author: press release Because early detection of oral cancer offers a greater chance of a cure, the American Association of Oral and Maxillofacial Surgeons (AAOMS) is reminding the public during Oral Cancer Awareness Month of the importance of performing monthly self-exams. AAOMS promotes self-exams and screenings every April with the Oral Cancer Foundation, which predicts about 53,000 new cases of oral cancer will be diagnosed in 2019 in the United States – leading to more than 9,000 deaths. "A monthly self-exam takes only minutes and could potentially save your life," said AAOMS President A. Thomas Indresano, DMD, FACS. "If done on a regular basis, you're increasing the chances of identifying changes or new growths early. The survival rate for oral cancer is between 80 and 90 percent when it's found at early stages of development." Oral and maxillofacial surgeons (OMSs) encourage a six-step oral cancer self-exam that involves looking and feeling inside the mouth for suspicious sores and feeling the jaw and neck for lumps. Using a bright light and a mirror: First remove any dentures. Look and feel inside the lips and the front of the gums. Tilt the head back to inspect and feel the roof of the mouth. Pull the cheek out to inspect it and the gums in the back. Pull out the tongue and look at its top and bottom. Feel for lumps or enlarged lymph nodes in both sides of the neck, including under the lower jaws. Oral cancer symptoms may include [...]

The HPV Vaccine Is Already Dramatically Lowering Rates of Cervical Disease

Source: Gizmodo Date: 04/03/19 Author: Ed Cara A new study out Wednesday in the BMJ is the latest to showcase even the short-term benefits of the human papillomavirus (HPV) vaccine. It found that the routine vaccination of preteen girls in Scotland, starting in 2008, led to drastically lower rates of cervical disease by the time the girls turned 20. That included conditions known to raise the risk of cervical cancer later on in life. There are over 100 different types of HPV that regularly infect humans. Most types cause no symptoms at all, while some can cause annoying but harmless warts on our hands, feet, or genitals, depending on where they like to call home. High-risk HPV types, however, linger in the cells that line the surfaces of our body, triggering changes that can eventually turn them cancerous. These HPV types account for nearly all cases of cervical cancer, as well as a substantial proportion of cancers in the mouth, throat, anus, and penis. We’ve had a vaccine available for two of the most common high-risk types of HPV since 2006, when it was at first recommended only for teen girls. Over the years, the window of opportunity for getting the vaccine has expanded, as has the number of HPV types it protects against. The newest version protects against seven high-risk types that account for 90 percent of cervical cancers (along with two types that cause genital warts). And young boys and men are now also encouraged to get the vaccine, as are women up [...]

2019-04-04T09:26:20-07:00April, 2019|Oral Cancer News|
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