Mitotan

Gefahreninformationscode (GHS)

• Bildanzeige (GHS)

  

• Alarmwort

  Warnung

• Gefahrenhinweise

  H351：Kann vermutlich Krebs verursachen.

• Sicherheit

  P280：Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.

Mitotan Chemische Eigenschaften,Einsatz,Produktion Methoden

• R-Sätze Betriebsanweisung:

  R40:Verdacht auf krebserzeugende Wirkung.

• S-Sätze Betriebsanweisung:

  S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.

• Beschreibung

  Mitotane is an inhibitor of steroidogenesis that suppresses the growth of adrenocortical cells. It blocks the expression of several genes that encode proteins involved in steroidogenesis and disrupts mitochondrial respiratory chain activity in human adrenocortical cells. Mitotane has anti-neoplastic actions, alone or in combination with other compounds, and suppresses cortisol synthesis, although it also has significant toxicity in the gastrointestinal tract and nervous system. It is effective against adrenocortical carcinoma and Cushing’s Syndrome in clinical trials.

• Chemische Eigenschaften

  Crystalline Solid

• Verwenden

  aminobiphoshphanate for treatment of osteoporosis and Paget's bone disease

• Verwenden

  An Antineoplastic. Used as an adrenolytic agent

• Verwenden

  insecticide, antineoplastic

• Verwenden

  Mitotane is an inhibitor of steroidogenesis that suppresses the growth of adrenocortical cells. It blocks the expression of several genes that encode proteins involved in steroidogenesis and disrupts mitochondrial respiratory chain activity in human adrenocortical cells. Mitotane has anti-neoplastic actions, alone or in combination with other compounds, and suppresses cortisol synthesis, although it also has significant toxicity in the gastrointestinal tract and nervous system. It is effective against adrenocortical carcinoma and Cushing’s Syndrome in clinical trials.

• Indications

  Mitotane (Lysodren) produces selective atrophy of the zona fasciculata and zona reticularis, which results in a decrease in the secretion of 17-hydroxycorticosteroids. Direct inhibition of cholesterol side-chain cleavage and 11/18-hydroxylase activities has also been demonstrated.

• Indications

  The observation that mitotane (Lysodren) could produce adrenocortical necrosis in animals led to its use in the palliation of inoperable adrenocortical adenocarcinomas. A reduction in both tumor size and adrenocortical hormone secretion can be achieved in about half of the patients taking the drug. Because normal adrenocortical cells also are affected, endogenous glucocorticoid production should be monitored and replacement therapy administered when appropriate.
  Mitotane is incompletely absorbed from the gastrointestinal tract after oral administration. However, once absorbed, it tends to accumulate in adipose tissue. Mitotane is slowly excreted and will appear in the urine for several years.The major toxicities associated with its use are anorexia, nausea, diarrhea, lethargy, somnolence, dizziness, and dermatitis.

• Definition

  ChEBI: Mitotane is a diarylmethane.

• Manufacturing Process

  From dichloroacetaldehyde and 2-chlorphenylmagnesiumbromide was prepared 1-(2-chlorphenyl-2,2-dichloroethanol. By action of H2SO4 on 1-(2- chlorphenyl)-2,2-dichloroethanol in chlorobenzene was prepared 1,1-dichloro- 2,2-bis(2,4'-dichlorophenyl)ethane.

• Trademarks

  Lysodren (Bristol-Myers Squibb).

• Therapeutic Function

  Antineoplastic

• Allgemeine Beschreibung

  Colorless powder.

• Air & Water Reaktionen

  Insoluble in water.

• Reaktivität anzeigen

  Mitotan dehydrohalogenates with strong alkalis. Simple aromatic halogenated organic compounds are very unreactive; halogenated aliphatic compounds are moderately or very reactive. For both subgroups, reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group are incompatible with strong oxidizing and reducing agents. Also, they are incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.

• Brandgefahr

  Flash point data for Mitotan are not available. Mitotan is probably combustible.

• Pharmakologie

  Mitotane, a derivative of the insecticide DDT, quickly lowers the level of corticosteroids, and is metabolized in the blood and urine and used on non-operable metastatic prostate carcinomas. Synonyms of this drug are lysodren and others.

• Clinical Use

  Mitotane is the drug of choice for the treatment of primary adrenal carcinoma when surgery or radiation therapy is not feasible. Its effectiveness in curtailing adrenal activity is due to an action on adrenocortical mitochondria to impair cytochrome P450 steps in steroid biosynthesis. Mitotane requires metabolic transformation to exert its therapeutic action, and the differential ability of tumors to metabolize the drug may determine its clinical effectiveness. It is advised to measure serum mitotane levels and urinary free cortisol excretion to ensure adequate therapeutic concentrations. Mitotane increases circulating cholesterol by inhibiting cytochrome P450–mediated reactions and therefore contributes to the cardiovascular events that are a significant cause of mortality in untreated Cushing’s syndrome.
  Mitotane, being closely related to the organochlorine insecticides, shares its inductive effects on the liver microsomal drug-metabolizing enzyme system, and its use may therefore alter the requirement for concomitantly administered drugs that are also metabolized by this pathway.

• Nebenwirkungen

  Mitotane is capable of inducing remission of Cushing’s disease, but only after several weeks of therapy and at the price of severe gastrointestinal distress. Moreover, more than half of patients relapse following cessation of therapy. Other side effects include lethargy, mental confusion, skin rashes, and altered hepatic function. Being a lipid-soluble substance, mitotane remains stored in body tissues for extended periods. This may account for the marked patient-to-patient variability in its therapeutic and/or toxic effects.

• Synthese

  Mitotane, 1,1-dichloro-2-(o-chlorophenyl)ethane (30.5.8), is made by alkylating chlorobenzene with 1-(2-chlorophenyl)-2,2-dichloroethane (30.5.7) in the presence of sulfuric acid. The necessary 1-(2-chlorophenyl)-2,2-dichloroethanol (30.5.7) is in turn made from reacting 2-chlorophenylmagnesiumbromide with dichloroacetic aldehyde.

  

• Veterinary Drugs and Treatments

  In veterinary medicine, mitotane is used primarily for the medical treatment of pituitary-dependent hyperadrenocorticism (PDH), principally in the dog. It has also been used for the palliative treatment of adrenal carcinoma in humans and dogs.

• Arzneimittelwechselwirkung

  Potentially hazardous interactions with other drugs
  Anticoagulants: possibly reduced anticoagulant effect of coumarins.
  Antipsychotics: avoid with clozapine (increased risk of agranulocytosis).
  Diuretics: avoid with spironolactone.

• Stoffwechsel

  Metabolised in the liver and other tissues and excreted as metabolites in urine and bile. From 10-25% of a dose has been recovered in the urine as a water-soluble metabolite and 1-17% in the faeces as metabolites

• läuterung methode

  Purify Mitotane by recrystallisation from pentane, MeOH or EtOH. It is soluble in isooctane and CCl4. [Haller et al. J Am Chem Soc 67 1600 1945, Beilstein 5 IV 1883.]

Mitotan Upstream-Materialien And Downstream Produkte

Mitotan Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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