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Archive for August, 2009

Missing Enzyme Key to New Mesothelioma Treatment

Monday, August 31st, 2009

A new study by Dartmouth Medical School and Amtek, gives hope to patients with cancer tumors that are resistant to traditional treatment options, including mesothelioma. The researchers developed a treatment using two chemical agents to kill tumors while protecting healthy cells.

The study uses previous research suggesting that methylthioadenosine phosphorylase (MTAP), an enzyme, is missing in a percentage of certain cancer types. The cancers lacking MTAP include:

  • Lung cancer
  • Mesothelioma
  • Pancreatic Cancer
  • T-cell Acute Lymphoblastic Leukemia

The strategy being employed in the study is to give two drugs to cancer patients – one is highly toxic and can damage both cancer and healthy cells, and the other protects healthy tissues from the first drug’s toxicity. Two of the drugs presently in use in the study are thioguanine and fluorouracil.

There are animal studies presently underway, with the hope that clinical applications will be possible. The study is lead by Dr. Martin Lubin and Adam Lubin of Amtek.

Mesothelioma is an aggressive cancer, and getting appropriate treatment is critical. For more information, check out our mesothelioma treatment pages or contact one of our mesothelioma family advocates.


EPA Confirms Asbestos at Atlanta Shopping Center

Thursday, August 27th, 2009

An Environmental Protection Agency (EPA) investigator confirmed finding asbestos in a dumpster behind an Atlanta shopping center. Debris was removed from a nearby construction site at the shopping center and placed in a regular dumpster. People were concerned about the presence of asbestos and contacted the EPA.

Hazmat crews were called in to remove the dumpster contents and send them for testing. Asbestos was confirmed present in the floor tiling found in the dumpster. The EPA notified the landlord about the asbestos and that appropriate asbestos removal procedures should be carried out. The landlord hired a firm that specializes in hazardous removal to take care of the problem.

Asbestos exposure is the primary cause of mesothelioma, an asbestos cancer found most frequently in the tissues surrounding lungs, but also in the tissues around the abdomen and heart. There is no cure for mesothelioma, and because of the latency period of approximately 30 years, it is often diagnosed in the late stages of the disease, but not always.

Time is critical after receiving a diagnosis of mesothelioma, and gathering information can be overwhelming. Our mesothelioma family advocates are available to answer your questions, so please contact us to learn more about asbestos exposure and mesothelioma.


Histology Subtypes of Mesothelioma

Wednesday, August 26th, 2009

Once you learn you have mesothelioma cancer, there are several other tests you need to learn as much about the disease as possible. You need to know the type and cancer stage, as well as the histology, or cell type.

There are three histology subtypes of mesothelioma. Each is unique and must be treated differently. The pathologist will need to be well-versed in mesothelioma to make the appropriate distinction.

The three types include:

  • Epithelioid – the most common type which accounts for 60% to 70% of all mesothelioma cases. This is the least aggressive cell type, often responding well to treatment. Consequently, the epithelioid type offers the best prognosis.
  • Sarcomatoid – the more aggressive type which accounts for 10% to 15% of all cases. It typically does not respond well to treatment, making prognosis poor with this cell type.
  • Bi-phasic or Mixed – accounts for 10% to 15% of mesothelioma cases. This type has mixed characteristics of both epithelioid and sarcomatoid mesotheliomas. The prognosis is worse that epithelioid, often falling between the two types.

Your doctor will provide you with this important information prior to recommending appropriate mesothelioma treatment options. There are many test results and bits of information regarding mesothelioma that are needed in order to develop a good treatment plan. Research takes time, and sometimes it would be nice to speak with someone who can help you sort out the details. Contact one of our mesothelioma family advocates to ask questions and learn about your options. They can help.


MD Anderson Cancer Center Specializes in Mesothelioma Treatment

Monday, August 24th, 2009

Recently Anne Tsao, M.D., Director of the Mesothelioma Program at MD Anderson Cancer Center, was interviewed on Patient Power, an online radio program sponsored by MD Anderson and hosted by a former patient, Andrew Shore. Also on the program was Kathy Evans, a 54-year-old woman from Lumberton, TX who learned she had mesothelioma in 2008.

Mesothelioma, a rare asbestos cancer of the lining of the lungs, abdomen, or heart, can be difficult to diagnose because the symptoms are common to other ailments, such as the flu. There are approximately 3000 new cases of mesothelioma in the United States annually.

Given only 6 months to live, Ms. Evans asked to go to MD Anderson as soon as she learned her diagnosis. Her primary physician from Anderson, Dr. Tsao, explained why this request was a very good idea.

MD Anderson Cancer Center has a program specifically for mesothelioma patients, and they have ongoing clinical trials in all settings. Additionally, they have a very large translational program actively investigating new targets for therapy, as well as over 30 physicians from all multidisciplinary groups (surgery, radiation oncology, pulmonary, thoracic oncology, radiology) who specialize in mesothelioma treatment.

There are two main types of surgery to remove tumors. One is the pleurectomy decortication, which debulks the tumor and peels it off the lung. Many surgeons are familiar with this procedure because it is also performed on lung cancer patients.

The second surgery, extrapleural pneumonectomy (EPP), is major surgery that should only be performed by an experienced mesothelioma surgeon. Dr. David Rice performed Ms. Evans’ surgery. This surgery, which can take many hours, removes the tumor, lung and lining around the heart and portions of diaphragm. After removal, these areas must be reconstructed. It is also important to have a radiology oncologist who knows how to treat mesothelioma as part of your post surgery care.

Dr. Tsao believes the best chance for improving the life of a mesothelioma patient is not only early and accurate diagnosis, but evaluation and treatment by a major cancer center with mesothelioma programs. For example, because of the multiple mesothelioma clinical studies presently underway at MD Anderson, Ms. Evans was able to participate in one that helped her live beyond the original 6 month life expectancy originally diagnosed.

Ms. Evans knows that her mesothelioma is not curable but is thankful that she went to MD Anderson and had the opportunity to participate not only in the clinical trial, but received care from expert mesothelioma doctors such as Dr. Tsao and Dr. Rice.

Dr. Tsao stated that in addition to getting an early and accurate diagnosis for mesothelioma, the following are also important:

  • Annual check-ups.
  • See your doctor immediately if chronic symptoms occur, such as coughing or chest pain.
  • If fluid buildup in the chest occurs, getting a thoracentesis is important, as well as having the fluid checked for cancer or infection.

If there is any hint that the diagnosis is cancer, Dr. Tsao recommends going to a major cancer center for evaluation. She stated that large multidisciplinary cancer programs provide the best treatment for patients. She warned that having treatments performed before going to a cancer center can prevent a patient from entering a clinical trial that may have provided better treatment.

Mesothelioma is not curable, but there are some measures that can be taken to perhaps extend and improve your life. For more information, contact one of our mesothelioma family advocates or visit our mesothelioma cancer centers page to help you learn about major cancer centers in your area.

Reference: M. D. Anderson Presents Patient Power – June 9, 2009


High-Quality Mesothelioma Treatment Equals Selecting the Right Team

Saturday, August 15th, 2009

Treatment for mesothelioma requires a high level of specialized care, typically performed by a team of doctors and medical professionals. You will want to pay close attention to the backgrounds of the various types of specialists you need when choosing your medical team. Not all doctors are well-versed in the most appropriate or latest mesothelioma treatment options. Those that are, however, will have treated many cases, giving you the best care available.

Who are the right specialists? Obviously it will depend on the type of mesothelioma you have, but following are some of the specialists you may encounter:

  • Oncologist – specialist in the diagnosis and care of cancer.
  • Pulmonologist – specialist in the diagnosis and care of lung disorders.
  • Thoracic Surgeon – specialist in surgery of the heart, lungs, and chest area.
  • Radiologist – specialist in interpreting x-rays, CT scans, MRIs, and other imaging studies requested.
  • Pathologist – specialist in identifying disease through tissue study.

There will be many other support professionals you want to consider when deciding who is on your treatment team. Examples include nursing specialists, such as a thoracic oncology nurse, or respiratory therapists. You may even want to include some type of psychologist, therapist, or social worker to assist you on this difficult journey.

The most important factor is that you are comfortable with your team, and have an open line of communication. Of course, you want experience on your side, but you need to feel like the team is working for you to ensure you receive the best mesothelioma treatment.


 
 
 
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