Arsenic trioxide | As2O3 | CID 14888 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Exposure to higher-than-average levels of arsenic occurs mainly in workplaces, near or in hazardous waste sites, and areas with high levels naturally occurring in soil, rocks, and water. Note: Arsenic trioxide is typically obtained as a by-product from the roasting of arsenic-containing ores and is used especially as a . Both patients had marked hypomagnesemia, hypokalemia, and pulmonary failure at the time they developed TDP. Arsenic trioxide is a strong medication that can cause serious, rarely fatal side effects. Acute arsenic poisoning is associated initially with nausea, vomiting, abdominal pain . QT prolongation can lead to a torsade de pointes-type ventricular arrhythmia, which can be fatal. The concern remained about the long-term outcome of this well-tolerated regimen. The first evidence of the efficacy of arsenic in leukemia was reported in 1882. Chronic arsenic poisoning (called also arsenism ), due to ingestion of small amounts over a long period of time, is marked by skin pigmentation with scaling, keratosis of the palms and soles, white lines on the fingernails, peripheral neuropathy, and confusion. This may affect decisions on using arsenic trioxide. As 2 O 3 was stopped and he was put on melphalan. Arsenic is a traditional poison that has a history extending back into ancient times, as a medicinal agent, a homicidal poison and more recently in deliberate and unintentional self-poisoning. The first major test which could be utilised was developed by Carl Wilhelm Scheele, who reacted arsenic trioxide with nitric acid and zinc to produce arsine (AsH 3), a gas with a garlic odour. Signs and symptoms of differentiation syndrome (leucocyte activation syndrome) include unexplained fever, dyspnoea, weight gain, pulmonary infiltrates, pleural or pericardial effusions, with or without leucocytosistreat with high dose corticosteroids, consult product literature. Vitamin A is the parent compound and prototype of natural retinoids, which are present in all living organisms. Encephalopathy and peripheral neuropathy are reported. Chronic exposure in either occupational settings or by drinking contaminated groundwater can cause poisoning and carries an increased risk of skin, lung, bladder, and possibly liver cancers. It has shown substantial efficacy in treating patients with relapsed or refractory acute promyelocytic leukaemia. By Sandra Hempel, Contributor Introduction. . The anhydride form of arsenous acid, arsenic trioxide, is used as a herbicide, pesticide, and rodenticide. The lethal oral dose of sodium arsenite in most species is 1-25 mg/kg. Temporarily withhold arsenic trioxide.Arsenic trioxide can cause QTc interval prolongation, complete atrioventricular block and torsade de pointes, which can be fatal. 16 Arsenic -- The Near-Perfect Murder Weapon The entire success of a criminal poisoning depends on the process imitating the effects of a natural disease. ECG Abnormalities: Arsenic trioxide can cause QT interval prolongation and complete atrioventricular block. These include arsenic trioxide, arsenic pentoxide, sodium and potassium arsenate, sodium and potassium arsenite, and lead or calcium arsenate. Before administering arsenic trioxide, assess the QTc interval, correct electrolyte abnormalities, and consider discontinuing drugs known to prolong QTc interval. Texto completo. MedlinePlus Information on Arsenic Trioxide - A lay language summary of important information about this drug that may include the . Arsenic trioxide can cause a condition called differentiation syndrome, . Arsenic trioxide, meriting the name of "inheritance powder", is the one that historically has been used as a lethal poison. . Arsenic poisoning typically affects the skin, liver, lungs, and kidneys. Even dilute solutions of arsenic trioxide are dangerous on contact with the eyes. Acute arsenic poisoning is associated initially with nausea, vomiting, abdominal pain, and severe diarrhoea. Conception and contraception For arsenic trioxide BAL: Symptomatic patients unable to tolerate oral medication should be treated with BAL 3 to 5 mg/kg/dose IM every 4 to 6 hours. A color to die for. It is also used to treat APL in patients who have not responded to other medication regimens. 15 Our previous studies revealed that eugenol had an excellent antioxidant activity. The toxicity of a wide range of chemicals and drugs is associated with oxidative stress mechanism. Large doses can lead to symptoms . Arsenic Trioxide Phebra is to be administered intravenously at a dose of 0.15 mg/kg/day for 25 doses given 5 days per week, followed by 2 days interruption, repeated for 5 weeks. Arsenic poisoning will cause cardiac arrhythmias," Hancock says, which can lead to sudden, fatal, heart attacks. Find out more about the arsenic poisoning cases in Essex in Helen Barrell's new book . It may also be used to treat other kinds of cancer . Humans have exploited its toxic properties in weed killers, fungicides and insecticides, especially in vineyards, apple orchards, and cotton and tobacco fields. [11] The final result of arsenic poisoning is coma and death. The present study evaluated the effects of resveratrol on As2O3induced apoptosis and cardiac injury and found it to be safe and effective. The present Chronic arsenic toxicity results in multisystem disease. Certain arsenic compounds are known human carcinogens. arsenic gas (arsine) - highly toxic; released when arsenic trioxide is burned, hydrogen gas reacts with inorganic arsenic, or when water reacts with a metallic arsenide 1 colorless, nonirritating may have garlic-like or fishy odor at high concentrations (> 0.5 parts per million) often generated with acid treatment of crude ores or metals Medical Definition of arsenic trioxide. Trivalent arsenicals, or arsenites, are more soluble and therefore more toxic than the pentavalent, or arsenate, compounds. Arsenic trioxide is used as an antineoplastic agent in promyelocytic leukemia. product manufacture in the form of arsenic trioxide (As2O3), and the rest is used as additives in producing special lead and copper alloys . The sequence of chronic arsenic poisoning is as follows: weakness (malaise); appetite loss (anorexia); liver enlargement (hepatomegaly); yellowish coloration of the skin and tissues (jaundice); and gastrointestinal complaints. INTRODUCCIN. Arsenic exerts its toxicity by inactivating up to 200 enzymes, especially those involved in cellular energy pathways and DNA synthesis and repair. Please wait 0.2.1.2 CHRONIC EXPOSURE The odourless and tasteless properties of inorganic arsenic compounds such as arsenic trioxide (white arsenic) made them an ideal poison. Symptoms are dose dependent and can be delayed. Traditional Chinese medicine has applied arsenic and arsenic-containing medicines to treat a variety of intractable diseases since ancient times [ 4 ], but the toxicity has limited its medical applications. It should be noted that patients 1 and 2 in the Unnikrishnan et al study received 20 mg of arsenic trioxide per day, potentially a higher than recommended dose of 0.15 mg/kg/d, although the patient weights were not given. The Jamestown colonists did, in fact, have ratsbane arsenic trioxide to. 23 Another mechanisms Arsenic is. View Record in Scopus Google Scholar. Background and purpose: The clinical use of arsenic trioxide (As2O3), a potent antineoplastic agent, is limited by its severe cardiotoxic effects. How it works Arsenic works by speeding up the death of leukaemic cells and encouraging normal blood cells to develop properly. Arsenic trioxide (ACGIH) Arsenic(III) oxide Arsenicum album Arsenigen saure (German) Arsenious acid Arsenious oxide Arsenious trioxide Arsenite Arsenolite Arsenous acid . Arsenic trioxide is also being studied in the treatment of other types of cancer. To decrease . We report our long-term follow-up data on the same cohort. Patients and Methods From January 1998 to December 2004, 72 patients with PML/RAR+ APL . When the poisoning becomes acute, symptoms may include diarrhea, vomiting, vomiting blood, blood in the urine, cramping muscles, hair loss, stomach pain, and more convulsions. Emerald green, also known as Paris green, Vienna green, and Schweinfurt green, is the product of combining copper acetate with arsenic trioxide, producing copper acetoarsenite . Workplace Exposure Limits It is a treatment for a type of acute myeloid leukaemia called acute promyelocytic leukaemia (APL). Arsenic could also be given as a series of smaller doses, producing a more subtle form of chronic poisoning characterized by a loss of strength, confusion and paralysis. White arsenic was readily made by heating arsenic ore, this produced a white crystalline powder which was soluble in water and virtually undetectable in food or drink, and some said it even improved the taste . An important milestone was achieved when arsenic trioxide (ATO) demonstrated substantial activity in relapsed APL. Arsenic has a long history as a poison- a rodent poison in particular - and great lore as a homicidal agent. QT interval prolongation and apoptosis have been implicated in the cardiotoxicity of As2O3. Definition from the NCI Drug Dictionary - Detailed scientific definition and other names for this drug. Splenomegaly and leucocytosis progressed despite treatment, and he died 11 months later of pneumonia. Signs and symptoms of arsenic poisoning include nausea, vomiting, abdominal pain, diarrhea, dark urine, and dehydration. This condition may occur within 1 days to 2 months after you start taking arsenic trioxide. Arsenic is a type of carcinogen that's gray, silver, or white in color. prolongation or hepatotoxicity. L-ascorbic acid and alpha-tocopherol attenuate arsenic trioxide-induced toxicity in H9c2 cardiomyocytes by the activation of Nrf2 and Bcl2 transcription factors. Arsenic trioxide injection is used together with another medicine (eg, tretinoin) to treat newly-diagnosed low-risk acute promyelocytic leukemia (APL), a type of leukemia (cancer of the blood cells). Chronic arsenic poisoning (called also arsenism ), due to ingestion of small amounts over a long period of time, is marked by skin pigmentation with scaling, keratosis of the palms and soles, white lines on the fingernails, peripheral neuropathy, and confusion. Encephalopathy and peripheral neuropathy are reported. In Vitro Toxicity Studies: Cell membrane integrity (prelabeled cells): release of radioactive isotopes ([51Cr], [3H]-thymidine, [3H]-proline, [35S]- or [75Se]-methionine, 5 . The organs of the body that are usually affected by arsenic poisoning are the lungs, skin, kidneys, and liver. Acute signs and symptoms of arsenic trioxide systemic toxicity following oral exposure include nausea, vomiting, diarrhea, gastrointestinal hemorrhage, cerebral edema, tachycardia, dysrhythmias, hypovolemic shock, coma, and even death. At the same time, it was shown that arsenic trioxide (As 2 O 3 . What is Arsenous acid used for? Arsenic trioxide (As 2 O 2) has been used medicinally for thousands of years. Next. Sub-lethal doses can lead to convulsions, cardiovascular problems, inflammation of the liver and kidneys and abnormalities in the coagulation of the blood. arsenic trioxide an oxidized form of arsenic, used in weed killers and rodenticides. Arsenic is a well documented human carcinogen affecting numerous organs. Exposure to high levels of arsenic can cause death. Higher doses of BAL invariably cause adverse effects. Treatment continues as biweekly infusions for at least 14 additional weeks in the absence of disease progression, unacceptable toxicity, or excessive increase in serum prostate-specific antigen. Retinoids are naturally occurring low-molecular-weight, fat-soluble unsaturated isoprenoids, playing an essential role in various aspects of mammalian physiology including spermatogenesis, fertilization, pregnancy maintenance, morphogenesis, organogenesis, as well as fetal and . Why is arsenic poisonous to humans? 353-360, 10.1080/15376516.2017.1422578. Evidence-based recommendations on arsenic trioxide (Trisenox) for treating acute promyelocytic leukaemia in adults. We report two cases of acute poisoning with an unwettable formulation of arsenic trioxide. : a poisonous trioxide of arsenic As2O3 or As4O6 that is administered intravenously to treat some forms of leukemia and in minute doses is used as a homeopathic remedy. Is arsenic trioxide safe? Reduction of pulmonary toxicity by prednisolone prophylaxis during all-trans retinoic acid treatment of acute promyelocytic leukemia. Objectives Despite the agreement that there is no longer any indication for arsenic use in modern endodontics, some concerns are surfacing about the minute amount of arsenic trioxide (As2O3) released from Portland cement-based materials. The first symptoms of acute arsenic poisoning by ingestion are digestive problems: vomiting, abdominal pains, diarrhea often accompanied by bleeding. f Arsenic Trioxide may damage the nervous system and the liver. Though the early study by Niu et al showed 72% remission rates in 11 newly diagnosed patients, the role of arsenic trioxide as primary therapy was limited by the hepatic toxicity seen in this study. arsenic trioxide an oxidized form of arsenic, used in weed killers and rodenticides. Studies from our centre have shown remission rates of 70-75% in newly diagnosed patients with acute promyelocytic leukemia. Arsenic is one of the most important pollutants ubiquitously existing in the natural and disposed by human activity 1. In this way, arsenic can block a lot of vital chemical pathways." By chemically jamming cellular "locks," arsenic can harm nearly every organ in the human body. The dose and frequency depend on the degree of toxicity seen. . Complications Complications. OUTLINE: Patients receive arsenic trioxide IV over 2 hours on days 1-5 and 8-12 for one course. The mechanisms of arsenic toxicity differ greatly among chemical species, although all appear to cause similar signs of poisoning. 22 Which can be prevented by Azidothymidine. More About Arsenic Trioxide. Acute arsenic poisoning is associated initially with nausea, vomiting, abdominal pain, and severe diarrhoea. Arsenic trioxide (ATO) is among the first-line chemotherapeutic drugs used in oncological practice. A table of NHS England interim treatment regimens gives possible alternative treatment options for use during the COVID-19 pandemic to reduce infection risk. Chronic arsenic poisoning is known as arsenicosis. Recent rekindling in the interest of As 2 O 3 is due. Arsenic is considered to be a heavy metal, and arsenic toxicity shares some similarities with poisonings by other heavy metals. It has almost no toxicity, but when exposed to air, it readily oxidizes to highly toxic arsenic trioxide. acute arsenic poisoning, arsenic trioxide, myocarditis, long interval QT, torsades de Pointes, hypopotasemia, hypomagnesemia, vasoplegic shock. In the 1990s, researchers from China showed complete clinical remissions in two-thirds of patients with acute promyelocytic leukemia (APL) treated with arsenic, and a survival rate of 60% at 7 years. The aim of the present investigation was to evaluate and explore the hepatoprotective role of eugenol, a monoterpene compound, against arsenic trioxide. Eventually, the arsenic of choice emerged as so-called white arsenic or arsenic trioxide (As2O3); the fatal dose was known to be an amount equivalent in size to a pea. f Inhaling Arsenic Trioxide can irritate the nose and throat and can cause an ulcer or hole in the "bone" (septum) dividing the inner nose. In the final stage, symptoms include seizures and shock. Arsenic trioxide (Trisenox, ATO) Arsenic trioxide is a chemotherapy drug and is also called Trisenox or ATO. Dose delay, modification and re-initiation Groundwater can contain inorganic arsenic in the form of arsenite or arsenate, in which arsenic is bound to oxygen atoms. Arsenic can induce mitochondrial caspase system for induction of apoptosis. Arsenic is used to manufacture weed killers and insecticides. National Institutes . Arsenic exerts its toxicity by inactivating up to 200 enzymes, especially those involved in cellular energy pathways and DNA synthesis and repair. Its therapeutic use in leukaemia was described a century ago. 1) BAL and succimer are chelating agents used as antidotal therapy for arsenic toxicity. We report two cases of acute poisoning with an unwettable formulation of arsenic trioxide. El arsnico puede prolongar el intervalo QT y causar torsades de Pointes (TDP), un tipo de arritmia con riesgo vital caracterstica de la prolongacin del intervalo QT. The poisonous properties are well known and the subject of an extensive literature. Actually Arsenic induces the formation of reactive oxygen species (ROS) and deplete GSH content of cells. This could lead to a coma or death. Arsenic is a deadly poison identified as the cause of acute poisoning in suicide, homicide, and accidents. Toxicology Mechanisms and Methods, 28 (5) (2018), pp. Arsenic trioxide can cause a condition called differentiation syndrome, which affects blood cells and can be fatal if not treated. Guidance. If he was right, then the odds ran strongly in the murderer's favor when arsenic was involved. This metalloid can be found in water, soil and air in both inorganic forms. arsenic in 36 products (14%) in concentrations from 20.4 to 114 000 parts per million (ppm) with a mean of 145.53 ppm and the median 180.5 ppm.22 A study in Singapore identied 17 patients during a ve year period with cutaneous lesions related to chronic arsenic toxicity, and in 14 (82%) patients toxicity was due to arsenic from Chinese . However, 8 months later, signs and symptoms of chronic arsenic poisoning developed, including skin pigmentation, diarrhea, and chronic gastrointestinal hemorrhage. Arsenic trioxide is used to treat a cancer of the blood and bone marrow called acute promyelocytic (pro-MYE-loe-SIT-ik) . Biomethylation is the preferred detoxification mechanism for absorbed . Arsenic should be permanently discontinued in the event of cardiac arrhythmias or severe neurological toxicity. Arsenic trioxide poisoning: a description of two acute overdoses Arsenic is a traditional poison that has a history extending back into ancient times, as a medicinal agent, a homicidal poison and more recently in deliberate and unintentional self-poisoning. It was very cheap, a by-product of metal industries, and ordinary Victorians could buy it from their local chemist, or even their grocer, as poison for rats and mice. Arsenic exerts its toxicity by inactivating up to 200 enzymes, especially those involved in cellular energy pathways and DNA synthesis and repair. Leukemia 1995; 9 (05) 774-778; Devdas SK, Jain H, Bhausaheb B, Sengar M, Dangi U. Khattry, et . Cardiac Conduction Abnormalities: Arsenic trioxide can cause QTc interval prolongation, complete atrioventricular block and torsade de pointes, which can be fatal. literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Purpose We previously reported our results with a single-agent arsenic trioxide (ATO) -based regimen in newly diagnosed cases of acute promyelocytic leukemia (APL). Acute arsenic poisoning is associated initially with nausea, vomiting . Before administering arsenic trioxide, assess the QTc interval, correct electrolyte abnormalities, and consider discontinuing drugs known to prolong QTc interval. Arsenic poisoning, or arsenicosis, occurs after the ingestion or inhalation of high levels of arsenic. As these tests were developed, arsenic poisoning became less popular as the likelihood of the poisoner being sent to the gallows increased. Arsenic - more properly arsenic trioxide - is a highly poisonous white powder. It also directly damage to DNA and RNA. f Exposure to Arsenic Trioxide can cause weakness, poor appetite, nausea, vomiting, headache, and even death. Inhalation exposure can lead to inflammation of the membranes of the eyes (conjunctivitis), irritation of the throat . {{configCtrl2.info.metaDescription}} Please wait. So said Edinburgh's professor of forensics Robert Christison in 1836.
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