Photodynamic Therapy Current Events

Photodynamic Therapy Current Events, Photodynamic Therapy News Articles.
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Photodynamic therapy used to treat ovarian cancer
Photodynamic therapy (PDT) is one of the most promising methods of treating localized tumors. PDT can be used for treatment in almost all major locations as an independent method or in combination with traditional types of treatment (surgery, radiation, and chemotherapy). (2020-06-08)

Light turns on anticancer agents
Virginia Tech researchers have developed light-activated therapy agents that are oxygen independent. (2004-08-24)

Russian scientists prove the possibility of creating liposomal form of porphyrazine photosensitizer
A team of Nizhny Novgorod researchers led by Dr. V.A. Vodeneev, head of the Laboratory for Optical Theranostics at the Institute of Biology and Biomedicine of the Lobachevsky University (UNN), is working to develop effective ways to combat cancer. (2018-03-07)

Voice-saver: Light therapy for early-stage laryngeal cancer
A new study from researchers at Henry Ford Hospital finds light, or photodynamic therapy, can help preserve the voice in patients with early stage laryngeal cancer. Photodynamic therapy works by destroying deadly cancer cells without harming surrounding healthy tissue by using a powerful laser and a nontoxic, light-activated drug. It also has fewer side-effects than radiation and surgery. (2011-01-28)

Penn Researchers Initiate Ground-Breaking New Trials To Treat
Surgeons and radiation oncologists at the University of Pennsylvania Medical Center have recently initiated ground- breaking new protocols to treat advanced lung cancer and mesothelioma for patients who are considered untreatable at other institutions. Trials are applying innovative combination treatments with photodynamic therapy (light delivery) and surgery for patients. (1998-01-12)

Method identified to boost detection of highly cancerous stem cells
Tokyo Medical and Dental University (TMDU)-led researchers discovered a subpopulation of highly cancerous stem cells in a brain cancer cell line. The cells are not identified by standard tumor cell fluorescence detection methods. By investigating the pathways involved in breaking down the fluorescent labeling material, the research team discovered that by reducing the availability of iron they could enhance fluorescence detection of these cells. (2017-03-30)

Combining liver cancer treatments doubles survival rates, UVA researchers find
By combining the use of stents and photodynamic therapy, also called SpyGlass, physicians at the University of Virginia have been able to significantly increase survival rates for patients suffering from advanced cholangiocarcinoma, cancer of the liver bile duct. (2008-04-15)

Scientists find a new use for already known anti-cancer drugs
The world scientific community is waging a difficult and prolonged war on cancer. New research in the field of immunogenic cell death can extend the area of drugs application and ensure patients' protection from relapse after therapy. Cancer treatment is not just the removal of the tumor cells from the body, and chemotherapy. The doctors' aim is to provide a scenario that would prevent tumor cells from proliferating and causing a new disease. (2020-01-03)

An easier, safer, and more accurate treatment for pancreatic cancer
Dartmouth scientists develop 3-D imaging for PDT treatment of pancreatic cancer to help make it a safer, more effective treatment. (2014-04-02)

A unique amino acid for brain cancer therapy
Researchers discover potential application of amino acid taurine in photodynamic therapy for brain cancer. (2017-06-23)

Sun-damaged skin responds well to laser treatment
Researchers at the University of Michigan Health System Department of Dermatology have found scientific evidence that the appearance of sun-damaged skin may be improved by treatment with a topical product that increases the skin's sensitivity to light, followed by laser therapy. (2008-10-20)

Photodynamic therapy can combat secondary infections in COVID-19 patients
Researchers at the Optics and Photonics Research Center, supported by FAPESP, advocate the technique as an additional treatment for patients with the disease. (2020-08-04)

Advance in photodynamic therapy offers new approach to ovarian cancer
Researchers have made a significant advance in the use of photodynamic therapy to combat ovarian cancer in laboratory animals, using a combination of techniques that achieved complete cancer cell elimination with no regrowth of tumors. (2015-08-13)

Photodynamic therapy reduces risk of vision loss in some macular degeneration patients
A combined treatment of a light-sensitive medication and a laser light beamed into the eye appears to reduce the risk of vision loss in some patients with age-related macular degeneration (AMD), according to a Johns Hopkins-led study of more than 600 patients at 22 medical centers in North America and Europe. (1999-10-15)

Tuning light to kill deep cancer tumors
An international group of scientists led by Gang Han, Ph.D., at the University of Massachusetts Medical School, has combined a new type of nanoparticle with an FDA-approved photodynamic therapy to effectively kill deep-set cancer cells in vivo with minimal damage to surrounding tissue and fewer side effects than chemotherapy. This promising new treatment strategy could expand the current use of photodynamic therapies to access deep-set cancer tumors. (2014-10-15)

NYU Langone offers vascular-targeted photodynamic therapy for localized prostate cancer
NYU Langone Medical Center has begun a clinical trial offering vascular-targeted photodynamic therapy to patients with localized prostate cancer. This novel, minimally invasive procedure uses a light-activated drug to deliver light energy waves by way of laser fibers in order to destroy prostate cancer cells. (2010-07-27)

Research creates nanoparticles perfectly formed to tackle cancer
Researchers from the University of Hull have discovered a way to load up nanoparticles with large numbers of light-sensitive molecules to create a more effective form of photodynamic therapy for treating cancer. (2011-06-06)

Successful laboratory test of photoswitchable anti-tumor agent
Photoswitchable agents might reduce side effects of a chemotherapy. So far, photodynamic therapies have been dependent on oxygen in the tissue. But hardly any oxygen exists in malignant, rapidly growing tumors. A group of researchers of KIT and the University of Kiev has now developed a photo-switchable molecule as a basis of an oxygen-independent method. Their successful laboratory tests on tumors are reported in the journal Angewandte Chemie. (2016-04-22)

Light, chemistry, action -- a new technique to target skin cancers?
Targeted photodynamic therapy can completely eradicate some models of cancer, according to the latest research by UK and Swiss scientists, published in the current issue of the British Journal of Cancer. (2011-04-11)

Light-activated therapy may change skin at molecular level
Photodynamic therapy -- which involves a light-activated medication and exposure to a light source -- appears to produce changes at the molecular level in aging skin, according to a report in the October issue of Archives of Dermatology, one of the JAMA/Archives journals. These changes are consistent with increased collagen production and improved appearance of the skin. (2008-10-20)

UMMS scientist designs lamp light operative photodynamic molecules for tumor therapy
UMass Medical School scientist Gang Han, PhD, and his team have designed a new class of molecules used in photodynamic therapy that are able to direct lamp light deep into tissue to kill cancer tumors. (2016-12-05)

Right on target: Light hybrid molecule stop tumor growth in mice
A team of scientists from the National University of Science and Technology 'MISIS', the Moscow Technological University (MIREA) and the Pirogov Russian National Research Medical University has experimentally proved the effectiveness of the formerly suggested 'light' method in oncotherapy. In a series of laboratory preclinical tests, the tumor growth stopped in 70 percent of mice, treated according to the innovative scheme. The results are presented in Pharmaceutics journal. (2019-01-17)

UT Arlington physicist creates new nanoparticle for cancer therapy
In a newly published paper, a University of Texas at Arlington physicist describes a newly created complex that may make photodynamic therapy for cancer treatment more efficient and cost effective and effective against deep tissue cancers. (2014-04-15)

Novel therapy approach for hyperinsulinemic hypoglycemia
A new method to treat hyperinsulinemic hypoglycemia has proven highly selective in targeting lesions and effective in slowing tumor growth, according to research published in the November issue of the Journal of Nuclear Medicine. (2020-11-08)

$2 per dose vs. $1500 per dose: One doctor develops new therapy for macular degeneration
Richard Spaide, MD, ophthalmologist at the Vitreous, Retina, Macula Consultants of New York ((2002-10-25)

Photdynamic therapy: an effective treatment for head and neck cancers
Photodynamic therapy, which activates light sensitive drugs, represents a major advance in the treatment of head and neck cancers, without the toxicity of radiotherapy or the tissue loss associated with surgery. (2001-10-22)

An effective but painful treatment
Photodynamic therapy is an effective treatment for early-stage skin cancer. However, this therapy can cause patients severe pain. The reason for this was previous a mystery to researchers. Physiologists at Friedrich-Alexander Universität Erlangen-Nürnberg have now discovered that it is due to two specific ion channels. (2016-06-23)

Photodynamic therapy is an alternative to removal of esophagus
Most people experience occasional heartburn. But when heartburn is severe or occurs frequently over an extended period of time, it is called Gastroesophageal Reflux Disease or GERD. Over time, untreated GERD damages the lining of the esophagus. As a result, one in 10 people with GERD develop Barrett's esophagus, a potentially dangerous change in the lining of the esophagus. (2006-04-05)

NUS engineers develop novel strategy for designing tiny semiconductor particles for wide-ranging applications
NUS Engineers have developed a cost-effective and scalable strategy for designing tiny semiconductor particles known as transition metal dichalcogenide quantum dots (TMD QDs) which can potentially generate cancer-killing properties. The team is also looking to optimise TMD QDs for applications such as the next generation TV and electronic device screens, advanced electronics components and even solar cells. (2019-01-24)

New highly selective antitumor photodynamic therapy agents synthesized
A team of researchers from Lobachevsky University (Nizhny Novgorod, Russia) headed by Professor Alexei Fedorov, Chair of the Organic Chemistry Department, is working to create a new generation of targeted anti-cancer drugs for photodynamic therapy. (2018-04-17)

New approach to treating precancerous esophagus condition
The use of concentrated radio waves appears to be a safe and effective way to (2007-05-22)

Certain new therapies for age-related eye disease do not appear to increase heart risks
Newer treatments for age-related macular degeneration -- including an intravitreous (into the eye) injection of a chemotherapy drug and use of a related compound approved for use against the eye disease -- do not appear to be associated with an increased risk of cardiovascular complications or death when compared with existing therapies, according to a report in the October issue of Archives of Ophthalmology, one of the JAMA/Archives journals. (2010-10-11)

Ophiura from Russky Island might make photodynamic therapy more affordable
An unusual biologically active porphyrin compound was isolated from seabed dweller Ophiura sarsii. The substance might be used as an affordable light-sensitive drug for innovative photodynamic therapy and for targeted treatment of triple-negative breast cancer and some other cancers. Researchers from the School of Biomedicine of Far Eastern Federal University (FEFU) and the University of Geneva reported the findings in Marine Drugs. (2021-02-08)

Combination therapy against cancer
In their quest to destroy cancer cells, researchers are turning to combinational therapies more and more. Scientists from Germany and China have now combined a chemotherapeutic and photodynamic approach. All agents are encapsulated in nanocapsules with a protein shell to be delivered to the tumor. There, light irradiation triggers a cascade of events, which lead to the destruction of the tumor cells, the researchers write in the journal Angewandte Chemie. (2020-10-13)

Evidence for warts treatments is weak
Apart from topical treatments containing salicylic acid, there is currently no clear evidence that any other treatments for warts are more effective, say researchers in this week's BMJ. (2002-08-29)

UTA scientist explores using nanoparticles to reduce size of deep-seated tumors
Another collaborative project from a nanoparticles expert at The University of Texas at Arlington has yielded promising results in the search for more effective, targeted cancer treatments. (2019-09-05)

Bioadhesive, wirelessly-powered implant emitting light to kill cancer cells
A new wirelessly-powered light-emitting device, which sticks onto animal tissue like a sticker with tissue-adhesive and elastic nanosheets, could possibly facilitate treatment for hard-to-detect microtumors and deeply located lesions that are hard to reach with standard phototherapy. If clinically applied, the device could be beneficial for cancer patients who seek minimally invasive treatment, helping them live longer and improve their quality of life. (2018-09-07)

Scientists discover novel process to convert visible light into infrared light
Columbia and Harvard scientists have developed a novel chemical process to convert infrared energy into visible light, allowing innocuous radiation to penetrate living tissue and other materials without the damage caused by high-intensity light exposure. The discovery could advance numerous fields, including clinical applications for photodynamic therapy and drug development. (2019-01-16)

Just like flipping a switch -- in only half a picosecond
Now, researchers at the University of Missouri have discovered spin flips happen in one half of one trillionth of a second, or half a picosecond in the course of a chemical reaction. To understand how fast it is -- watches count in seconds, sporting games are timed in 10ths of a second, and light travels just under 12 inches in one-billionth of a second. Spin flips are faster. (2019-01-16)

A sticky business -- how cancer cells become more 'gloopy' as they die
The viscosity, or (2009-03-15)

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