Wednesday, November 28, 2007

What is Mesothelioma concretley?


Mesothelioma is a form of cancer that is almost always caused by previous exposure to asbestos. In this disease, malignant cells develop in the mesothelium, a protective lining that covers most of the body's internal organs. Its most common site is the pleura (outer lining of the lungs and chest cavity), but it may also occur in the peritoneum (the lining of the abdominal cavity) or the pericardium (a sac that surrounds the heart).

Most people who develop mesothelioma have worked on jobs where they inhaled asbestos particles, or have been exposed to asbestos dust and fibre in other ways, such as by washing the clothes of a family member who worked with asbestos, or by home renovation using asbestos cement products. Unlike lung cancer, there is no association between mesothelioma and smoking

Friday, September 28, 2007

What about the symptoms?

Symptoms of mesothelioma may not appear until 20 to 50 years after exposure to asbestos. Shortness of breath, cough, and pain in the chest due to an accumulation of fluid in the pleural space are often symptoms of pleural mesothelioma.

Symptoms of peritoneal mesothelioma include weight loss and cachexia, abdominal swelling and pain due to ascites (a buildup of fluid in the abdominal cavity). Other symptoms of peritoneal mesothelioma may include bowel obstruction, blood clotting abnormalities, anemia, and fever. If the cancer has spread beyond the mesothelium to other parts of the body, symptoms may include pain, trouble swallowing, or swelling of the neck or face.

These symptoms may be caused by mesothelioma or by other, less serious conditions.

Mesothelioma that affects the pleura can cause these signs and symptoms:

  • chest wall pain
  • pleural effusion, or fluid surrounding the lung
  • shortness of breath
  • fatigue or anemia
  • wheezing, hoarseness, or cough
  • blood in the sputum (fluid) coughed up

In severe cases, the person may have many tumor masses. The individual may develop a pneumothorax, or collapse of the lung. The disease may metastasize, or spread, to other parts of the body.

Tumors that affect the abdominal cavity often do not cause symptoms until they are at a late stage. Symptoms include:

  • abdominal pain
  • ascites, or an abnormal buildup of fluid in the abdomen
  • a mass in the abdomen
  • problems with bowel function
  • weight loss

In severe cases of the disease, the following signs and symptoms may be present:

  • blood clots in the veins, which may cause thrombophlebitis
  • disseminated intravascular coagulation, a disorder causing severe bleeding in many body organs
  • jaundice, or yellowing of the eyes and skin
  • low blood sugar level
  • pleural effusion
  • pulmonary emboli, or blood clots in the arteries of the lungs
  • severe ascites

A mesothelioma does not usually spread to the bone, brain, or adrenal glands. Pleural tumors are usually found only on one side of the lungs.

Saturday, September 8, 2007

Concerning the treatment

The types of mesothelioma symptoms and treatment used will be dependant upon the age and physical health of the patient as well as upon how far the disease has spread and where it is located.

SURGERY: the most common mesothelioma treatment for mesothelioma symptoms. The doctor may remove part of the lining of the abdomen and some of the tissue around it. For cancer of the pleura (pleural mesothelioma), a lung may be removed in an operation called a pneumonectomy.

RADIATION TREATMENT: also called radiotherapy, is another asbestosis treatment option that involves the use of high-energy rays to kill mesothelioma cells and shrink tumors. Radiation therapy affects the mesothelioma cells only in the treated area.

CHEMOTHERAPY: is the use of anticancer drugs to kill mesothelioma cancer cells throughout the body. Most drugs used to treat mesothelioma are given by injection into a vein (intravenous, or IV).

PALLIATIVE THERAPIES: may also be used which entail draining excess fluid from the patient through the use of a needle and suction. To prevent further fluid accumulation drugs may be fed through a tube into the patient following the fluid drainage.

In most cases, mesothelioma treatment consists in a combination of treatments and a cocktail of drugs have to be used in order to treat Mesothelioma patients.

One in every hundred men born in the 1940s will die of die of malignant pleural mesothelioma, which is almost exclusively a consequence of exposure to asbestos, with a lag time that is rarely less than 25 years and often more than 50 years from first exposure. Half of all cases are now aged over 70, with 80% in men.

For a man first exposed as a teenager, who remained in a high risk occupation, such as insulation, throughout his working life, the lifetime risk can be as high as one in five to develop Mesothelioma Symptoms.

Friday, September 7, 2007

Prevention & Expectations

What can be done to prevent the disease?

Since the 1970s, the Environmental Protection Agency and the Occupational Safety and Health Administration have regulated the asbestos industry in the U.S. In the past, asbestos was used as a fire retardant and an insulator. Other products are now used in its place. The controversy involving exposure to different forms of asbestos continues.

There are two major types of asbestos: chrysotile and amphibole. It is thought that exposure to the amphibole form is more likely to cause mesothelioma. However, chrysotile has been used more frequently, hence many mesotheliomas are caused by chrysotile.

Removal is taking place in schools and other public buildings throughout the U.S. The hope is that these measures will greatly reduce the occurrence of this cancer.

What are the long-term effects of the disease?

A mesothelioma is a highly aggressive tumor that is generally deadly. Current treatment of malignant mesothelioma is designed to make the person with cancer comfortable. Although long-term survival cannot usually be expected, the case of famed paleontologist Stephen Jay Gould is a noted exception.

What are the risks to others?

Mesothelioma is not contagious and cannot be passed from one person to another. The exposure to the asbestos that caused the cancer occurred many years to several decades before the disease appeared. People who live with asbestos workers have a higher risk of getting this cancer.

What happens once treatment is over?

Although mesothelioma is very unpleasant it's still important for person after treatment is over to keep up all follow-up appointments and that's vital because further testing is always needed to check whether cancer is coming back or to examine possible side effects that could be rather unpleasant and what's even worse permanent.

Thursday, September 6, 2007

The Meso Foundation

Article taken from the website marf.org

Advocacy: The Meso Foundation Calls on America to Do Its Part for Our Servicemen, Workers and All Our Heroes Battling Mesothelioma.

The economic, legal and political aspects of asbestos receive great national attention. At least 60 major companies formerly involved with asbestos have declared bankruptcy, with rippling economic consequences. Asbestos liability has been among the largest of all litigation areas, and billions of dollars have changed hands. Congress has focused for more than six years on exempting defendant companies from further liability and financially “compensating” the individuals and families afflicted with asbestos disease. Major sectors of our society, including the largest Fortune 500 corporations in America, insurance companies, unions, veterans groups, consumer groups, and trial lawyers have spent millions lobbying for or against this legislation.

But in all this, the Meso Foundation is the only organization calling on the federal government to focus on the most fundamental aspect of the problem, curing the disease itself. We believe the human tragedy of meso is more significant than any of its legal, political or economic aspects, and must be addressed most urgently.

The Foundation is uniting the meso community into a force for advocacy, raising awareness of the need for research to develop effective treatments, and calling on the federal government to partner in this urgent effort. We are making progress:
* National Cancer Institute funding for meso research, though still very low, has been increasing substantially the past two years.
* At the end of 2005, we obtained from Congress the first appropriation ever for meso research. Congress appropriated $1 million to the National Institute for Occupational Safety and Health (NIOSH) to begin a national mesothelioma registry and tissue bank. In 2006, Congress has appropriated another $1 million to NIOSH to continue the registry and tissue bank.
* In 2006 we also succeeded in persuading Congress to make meso researchers eligible to compete for grants from a $45 million per year fund administered by the Department of Defense. This is only the second time in U.S. history that legislation has specifically provided for meso research funding.

HOW YOU CAN HELP
But this is just the beginning; much remains to be done. Since the meso community is small, and its voice so easily drowned out by the economic, legal and political aspects of asbestos, your help is essential. You can:

Support the Ban Asbestos Act.On March 1, Senator Patty Murray (D-WA) re-introduced the “Ban Asbestos in America Act of 2007” (S.742), http://www.murray.senate.gov/asbestos/. This legislation would finally ban asbestos in the U.S., and fund research to develop better treatments for patients with meso. To learn how you can help support this essential and long-overdue legislation, click here.

Volunteer. Join the Meso Foundation Volunteer Network. We will keep you up to date on what is happening in Washington, action items you can do to raise awareness and advocate for research funding, and other volunteers in your area you can work with. Click here to complete the Volunteer Application.

Be Educated. Understand the facts so that you can effectively make the case for federal meso research funding. See below, and search the Meso Community archive for additional detail.

Tell Your Story. Every single patient and family touched by meso has a powerful, personal story to tell. Call the health or community reporter at your local newspaper and urge him/her to cover your story. Describe how you/your family member were exposed, the toll of the disease in your life, the historical lack of funding for research to develop treatments, and what you are doing about it. Find other opportunities to tell your story in your community. Raising awareness at the local level will lead to national change.

Develop Your Contacts. Think about who you know that could help our advocacy efforts, e.g. federal legislators or their staffers, union or veterans group leaders, celebrities, influential community leaders, etc. Cultivate these contacts and let us know about them so we can build them into our advocacy efforts.

Participate in the Meso Community. Unite with other advocates to share ideas, team up, and encourage each other. Click here to join the Meso Community.

Respond to Action Alerts. The Foundation organizes specific campaigns for particular aspects of our advocacy efforts. For example, the recent DOD appropriation for meso resulted in part from many researchers and patients and families responding to an Action Alert and calling their Senators. Action Alerts are time-sensitive and require wide participation. Therefore, we usually issue them via email. Make sure the Foundation has your current email address, and respond to Action Alerts when we issue them.

THE TRAGIC FACTS
Malignant mesothelioma (meso) is the story of Americans who worked hard to build and defend this country. For 50 years, America's industrial and building trades workers, Navy personnel and many others were exposed to asbestos. The so-called "miracle mineral" was common in the workplace and on Navy ships and in shipyards. When workers brought the asbestos fibers home each night in their clothes and hair, their families were exposed also. Approximately three thousand Americans each year or more now develop meso, a malignant tumor that -- after a latency period of ten to fifty years -- aggressively invades the linings of the lungs, abdomen, heart or testicles.

Millions more Americans are being put at risk today, because of all of the asbestos that remains present in occupational settings; in buildings such as homes, offices and schools; and in a wide variety of products. The incidence of meso still has not peaked in the U.S., and is also growing to epidemic proportions in other parts the world. The tragedy of 9/11 demonstrates the continued, long-term threat of mesothelioma. Estimates of the amount of asbestos released around Manhattan range as high as 1,000 tons. The impact pulverized this asbestos into tiny, microscopic fibers to which the firefighters, rescue workers and other heroes of 9/11 were exposed. In the weeks and months following workers, residents and school children in the area continued to be exposed. After meso’s long latency period, the risk of cancer among those most heavily exposed could reach as high as one in ten. Thus, even if asbestos were banned today, and it absolutely should be, the meso epidemic would continue for decades and cry out urgently for development of better treatments.

An Orphan Disease
Meso was identified in the medical literature by the late 1940’s. However, for decades the need for research to develop effective treatments for meso patients was ignored, obscured by the legal, economic and political aspects of asbestos. For the most recent years for which there are figures, 2000 through 2003, the National Cancer Institute’s annual investment in clinical meso research was less than $2 million. This is only approximately one twentieth of one percent of the NCI’s annual budget; while the NCI is investing as much as 16 times more, per death, on other cancers.

Cancer
Annual NCI Research Funding
Annual Mortality
Research Funding Factor (per Mortality) Relative to Mesothelioma
Breast
$548,700,000
40,200
11.87
Prostate
$305,200,000
28,900
9.18
Leukemia (all)
$200,900,000
21,900
7.98
Cervical
$79,000,000
4,100
16.76
Hodgkin disease
$16,500,000
1,300
11.04
Mesothelioma
$2,847,000
2,476
1.00

Since 1992, Congress has directed $3.75 billion to research on various diseases through the Department of Defense Congressionally Directed Medical Research Program. But none of this has been invested in meso research, even though one third of today’s meso patients were exposed to asbestos while serving our nation’s defense on U.S. navy ships and shipyards.

Calling for a National Commitment
The Meso Foundation is active in Washington, D.C., calling on the federal government to partner with the Foundation in funding the research necessary to develop effective treatments. This should include NCI funding of meso research at levels proportionate to other cancers. It should also include designated federal funding for meso research, given the involvement of the federal government, especially the Department of Defense, with asbestos, and the high toll of the disease among military veterans. The Meso Foundation’s scientific experts have developed a proposal for a National Mesothelioma Research and Treatment Program, a comprehensive $30 million/year plan by which the federal government could most effectively promote development of improved treatments through research funding. For the full proposal please click here.

Better Treatments Are Within Reach
Our optimism that with such a national investment, dramatically improved treatments for meso could be developed is not just wishful thinking. Alimta (pemetrexed) – the first FDA-approved drug developed specifically for meso – demonstrates the potential. The Alimta/Cisplatin combination achieved a 46% response rate compared to 20% for the Cisplatin only arm. The Meso Foundation has now funded two exciting studies for how to further improve the effectiveness of Alimta. The development of SMRP and other meso biomarkers is incredibly exciting. The Meso Foundation is funding research by Dr. Brad Black in Libby itself to further validate this marker. New genomic and proteomic technologies are enabling investigators to understand the molecular biology of meso, and this is attracting intense research interest because of the potential to develop targeted therapies. Two Meso Foundation-funded researchers just got their work in this area featured on the cover of the American Journal of Pathology.

In fact, specific features of meso should make it particularly amenable to treatment. Anti-angiogenesis is generating great excitement across cancers generally, and meso should be particularly vulnerable to this approach. Meso patients have the highest VEGF levels of any patients with solid tumors. As another example, Dr. Steven Albelda at the University of Pennsylvania believes meso is a particularly good candidate for gene thereapy because at least until late stage it tends not to metastasize and to be confined to one region/cavity, it is accessible in that the thoracic cavity can be easily catheterized; and meso shows evidence of immune responsiveness.

The brilliance and dedication of the researchers around the world who are working on meso, and the progress they are making, give great optimism. Meso Foundation researchers have been funded to look at novel therapeutics (targeting HDAC’s, AKT, receptor tyrosine kinases, IAPs, and immune modulatory molecules), develop new diagnostics or biomarkers (tumor specific cell-surface antigens, mesothelin, osteopontin), and better understand mechanisms of tumor formation. Competition for Meso Foundation funds is very intense and these researchers represent some of the top researchers in cancer biology and radiology. The entire field of meso research is beginning to move forward very quickly.

The Resources Are Available
Thus, we are confident that with a national investment, we can dramatically improve treatments for meso and end suffering. So, what is holding back this investment? Ironically, it is not a question of resources. Huge resources are available to improve treatments for meso, just has been done for so many other diseases in the past decade. It is a question of the will to commit the resources.

The funds consumed in the U.S. by asbestos litigation from its inception in the 1960’s through year-end 2002 are calculated at $70 billion. Of this, $21 billion went to defense attorneys, $19 billion went to plaintiffs’ attorneys, and $30 billion was the net “compensation” to plaintiffs themselves. The predicted final cost of asbestos litigation in the U.S is $250 billion. Of the many companies that have filed for bankruptcy because of asbestos liability, at least six are valued at more than $1 billion each. The “Asbestos Trust Fund” bill the Senate has been considering for several years now would set aside $140 billion over the next 30 years. But with trivial exceptions this huge fund is only to intended to “compensate” people after they’re already sick or dead. Only one fifth of one percent is allocated to medical research to actually reduce the toll of suffering in the first place. In 2003 and 2004, 21 companies spent $27.9 million lobbying in favor of this legislation. One need not take a position on the legislation itself in order to recognize that huge amounts of money are being spent regarding a bill that only trivially addresses the fundamental human problem.

So the numbers prove that vast resources are available and being consumed by the economic and legal sides of asbestos. Only a minority of these resources even make it to the injured patients and families themselves, as compensation. But because of the lack of effective treatments currently, meso is almost always rapidly fatal. “Compensation” is a cruel travesty. Future victims would be much better served if some of these resources were put to better use developing life-saving treatments for the disease.