Liver cancer - Ethylene oxide exposure claim

Research shows evidence of liver damage after exposure to ethylene oxide

A study involving the adult U.S. population suggests a connection between exposure to ethylene oxide and liver damage. For victims, the liver damage caused by prolonged EtO exposure may worsen and turn into liver cancer over time.

The National Cancer Institute lists the following as signs and symptoms of liver cancer:

• Yellow skin and eyes (jaundice)
• Loss of appetite and weight loss
• Nausea and vomiting
• Abdominal pain or a lump on the right side
• Pain in the right shoulder
• Dark-colored urine and chalky stool
• Fatigue and weakness

Many establishments utilize EtO as a pesticide or a sterilizing agent. People who have a greater likelihood of toxic exposure are EtO facility workers and residents with homes near EtO-emitting facilities.

If you are one of these people and you’ve recently received a liver cancer diagnosis, you might be entitled to monetary compensation. In addition, bereaved family members of deceased victims may also qualify for a claim.

It must be noted that filing an EtO-related claim for liver cancer is limited to the following:

• Non-drinkers or light drinkers who received a liver cancer diagnosis
• Younger individuals who have minimal risk factors for developing liver cancer

How ethylene oxide causes liver cancer

Ethylene oxide triggers liver cancer through its mutagenic and carcinogenic action, involving direct damage to DNA in liver cells. Scientists recognize this genotoxic pathway as the main way EtO causes liver cancer. When it is inhaled, EtO reaches lung tissue, enters the bloodstream, and then reaches other organs, including the liver. The EtO molecules then react directly with DNA, forming adducts that trigger mutations.

Since the liver is the body's primary detoxification organ, responsible for the metabolism and elimination of environmental toxins, it is particularly sensitive and vulnerable to carcinogenic processes arising from the reaction between EtO molecules and DNA molecules.

Ethylene oxide, once it reaches the liver, binds to DNA in cells; it forms DNA adducts, which are abnormal bonds between EtO molecules and DNA bases. These adducts interfere with normal DNA replication, and as a result, mutations occur. When mutations accumulate in genes that control cell growth and division, especially oncogenes and tumor suppressor genes, affected cells can begin to replicate uncontrollably, triggering malignant liver tumor development.

The following factors make EtO-induced liver cancer difficult to demonstrate in human studies:

• Liver cancer has multiple risk factors, including environmental toxins, making it difficult to isolate the effect of EtO.
• Workers at sterilization facilities may have been exposed to other harmful chemicals.
• The long latency period (years or decades) between initial EtO exposure and liver cancer diagnosis.

Despite these factors, studies have found DNA adducts in sterilization facility workers, demonstrating that mutagenic and genotoxic processes occur in humans as they do in animals. Animal studies provide sufficient evidence that the mutagenic and genotoxic mechanisms can specifically cause liver cancer when prolonged and high-concentration EtO exposure occurs.