Basic information Glutamic acid derivatives Treatment of rheumatism Side effects Chemical Properties Uses Safety Related Supplier
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Thalidomide

Basic information Glutamic acid derivatives Treatment of rheumatism Side effects Chemical Properties Uses Safety Related Supplier
Thalidomide Basic information
Thalidomide Chemical Properties
  • Melting point:269-271°C
  • Boiling point:401.48°C (rough estimate)
  • Density 1.2944 (rough estimate)
  • refractive index 1.5300 (estimate)
  • storage temp. Store at RT
  • solubility 45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin: 0.6 mg/mL
  • form White solid
  • color white
  • Water Solubility <0.1 g/100 mL at 22 ºC
  • λmax300nm(lit.)
  • Merck 14,9255
  • Stability:Stable. Combustible. Incompatible with strong oxidizing agents.
  • InChIKeyUEJJHQNACJXSKW-UHFFFAOYSA-N
  • CAS DataBase Reference50-35-1(CAS DataBase Reference)
  • NIST Chemistry ReferencePhthalimide, n-(2,6-dioxo-3-piperidyl)-(50-35-1)
  • EPA Substance Registry SystemThalidomide (50-35-1)
Safety Information
MSDS
Thalidomide Usage And Synthesis
  • Glutamic acid derivativesThalidomide is a kind of synthetic glutamic acid derivatives. At room temperature, it is a kind of white crystalline powder, and is odorless, tasteless, and slightly soluble in water, methanol, ethanol or acetone, highly soluble in dimethylformamide or pyridine, but insoluble in ether, chloroform or benzene.
    At 1950s, Germany developed the drug mainly for treating epilepsy. However, due to the lack of efficacy, then it is further used as an adjunct for sleeping while also widely used as antiemetic drug for pregnant women during their pregnancy.
    At early 1960s, thalidomide incident---there had been a lot of reports about birth defect caused by thalidomide (such as: short limb malformations, bone defect, ear missing, cleft lip, heart and gastrointestinal tract abnormalities, etc.). Thereby, it was further prohibited by many countries, and subjected to withdrawal from the pharmaceutical market; but scientists did not totally negate thalidomide and continued to carry out in-depth research; there has been much encouraging and promising progress on the pharmacologic mechanisms of immunity, anti-inflammatory, and anti-angiogenic as well as the clinical treatment of various kinds of difficult disease, making people gain new understanding of the functions of thalidomide.
    Since the 1970s, with the emergence of the various research progresses of leprosy, rheumatism and various types of cancer, Israel dermatologists had applied thalidomide as a sedative for patients of erythema nodosum leprosy and obtain rapid alleviation of symptoms. After that many patients of erythema nodosum leprosy had received good therapeutic effects. In1998, the FDA approved thalidomide for the treatment of erythema nodosum leprosy.
    In 2004, during the American Society of Hematology annual meeting, RaJkumar from the US Mayo Clinic reported the progress of two studies about using thalidomide and its analogs (lenalidomide) in first-line treatment of multiple myeloma. Both thalidomide and its analogs, lenalidomide are effective in the treatment of multiple myeloma with lenalidomide having a better effect than thalidomide.
    In May 2006, the US FDA approved it for the treatment of multiple myeloma.
    The above information is edited by the chemicalbook of Dai Xiongfeng.
  • Treatment of rheumatismForeign scholars have reported that when using thalidomide for treatment of 7 rheumatoid patients who can’t be cured by various kinds of anti-inflammatory drugs and immune inhibition, the symptoms were alleviated in most cases within a few weeks at the dose in 400~600mg/d. All patients have their erythrocyte sedimentation rate and rheumatoid factor titers either be normalized or be decreased, wherein 1 case of rheumatoid nodules disappeared at 12 weeks. Someone have ever combined thalidomide with methotrexate for treating 7 cases of refractory rheumatoid arthritis, wherein in 5 cases of patient who persists in treatment, 4 cases obtained alleviated joints tenderness and reduced joints swelling feeling within 3 to 9 months.
    Thalidomide to treat rheumatism diseases as follows:
    1. Behcet's disease.
    2. Systemic lupus erythematosus.
    3. Rheumatoid arthritis.
    4. Erythema nodosum, Crohn's disease.
    5. Scleroderma: at 12 weeks after the start of treatment, it can significantly alleviate the symptoms of gastroesophageal reflux, heal duodenal ulcer and lead to hypopigmentation.
    6. Adult Still's disease.
    7. Refractory ankylosing spondylitis, multiple myeloma (MM).
    Clinical treatment of rheumatism should start from small dose at 25--50mg/day per night, gradually increase the amount to 100--200mg/day with the maximum not exceeding 400mg/day.
  • Side effectsAdverse reactions during the treatment using thalidomide include: drowsiness, dizziness, drowsiness, headache, constipation, nausea, vomiting, dry mouth, dry skin, erythema and papules and vesicular transient rash; but they usually are not serious and can disappear after termination of administration.
    The adverse reactions that should be noted is multiple neuritis with the main symptom being a surface or deep sensory loss and muscle weakness; the occurrence of symptoms is not proportional to the dose and duration; the time when the symptoms began to appear also varies greatly; for the cases without treatment termination, such symptoms are irreversible. In addition, leukopenia, abnormal liver function as well as the well-known teratogenic effects also should be taken care. Other rare side effects include bradycardia, edema, abnormal blood clotting, kidney failure, pneumonia, paresthesia, and hypothyroidism.
  • Chemical PropertiesWhite powder.
  • UsesIt is used as sedative and has certain efficacy in treating various types of leprosy reactions such as fever, erythema nodosum, neuralgia, joint pain, and swollen lymph nodes but has no treatment effect on leprosy.
  • Chemical PropertiesWhite Powder
  • OriginatorContergan,Grunenthal,Germany
  • Usesantiinfective (topical)
  • UsesInhibits FGF-induced angiogenesis. Inhibits replication of human immunodeficiency virus type 1. Teratogenic sedative. There is now a growing clinical interest in Thalidomide, and it is introduced as an immunomodulatory agent used primarily in combination with dexamethasone to treat multiple myeloma.
  • UsesThalidomide was prescribed as an anti-nausea agent to help pregnant women with morning sickness in the late 1950s. It was found to be a potent teratogen, causing many different forms of birth defects and was withdrawn from the market. Thalidomide and synthetic analogs have recently been proven effective in treating inflammation associated with diseases such as leprosy, arthritis and Crohn’s disease, and in cancers such as multiple myeloma. The direct target for the teratogenicity of thalidomide was not discovered until 2010, when it was found that it interacts directly with the protein cereblon (CRBN; IC50 = 8.5 nM), a ubiquitously-expressed E3 ligase. Binding of thalidomide analogs to CRBN-DNA damage binding protein-1 complexes account for the immunomodulatory and antiproliferative effects of these compounds.[Cayman Chemical]
  • UsesThalidomide was formerly used as a sedative-hypnotic drug. It is used in the treatmentof leprosy. Recent studies indicate that thecompound may be effective against cancer.
  • IndicationsThalidomide (Thalomid) is a derivative of glutamic acid that is chemically related to glutethimide. It exerts a number of biological effects as an immunosuppressive, antiinflammatory, and antiangiogenic agent, yet its mechanisms of action have not been fully elucidated. Thalidomide potently inhibits production of tumor necrosis factor (TNF) and interleukin (IL) 12, and its effect on these and other cytokines may account for some of its clinical effects.
  • DefinitionChEBI: A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group.
  • Manufacturing Process26 g of N-phthalyl glutaminic acid anhydride are melted with 12 g of urea in an oil bath at 170-180°C until the reaction is completed, which takes about 20 min. The reaction takes place with violent evolution of carbon dioxide and ammonia. After cooling, the reaction product is recrystallised by fractionation from 95% alcohol, and the first fraction may contain phthalic acid derivatives. The required product N-(2,6-dioxo-3-piperidyl)-phthalimide melts at 269- 271°C. The yield is about 65-70% of the theoretical.
  • brand nameAlgosediv;Asidon;Bonbrain;Contergan;Distaval;Funed;Glutanon;Hippuzon;Imidan;Isomin;Kevadone;Nerufatin;Neurosedyn;Pantosedive;Pro-ban;Quetimid;Sanodormin;Sedalis;Sedoval;Shinaito;Shinnibrol;Sleepan;Softenil;Softenon;Talimol;Tlargan;Yodomin.
  • Therapeutic FunctionSedative, Hypnotic, Antiarthritic
  • World Health Organization (WHO)Notwithstanding the highly potent teratogenic action of thalidomide, this drug retains a place in the treatment of reactional lepromatous leprosy and several serious dermatological conditions refractory to other treatment. In many countries, the competent authorities have granted exemption from licensing requirements to enable doctors to obtain limited supplies of thalidomide under strictly controlled circumstances for use in named patients. Arrangements have also been made by some national drug regulatory authorities for thalidomide to be used in institutions concerned with the treatment of leprosy.
  • Synthesis Reference(s)Synthetic Communications, 33, p. 1375, 2003 DOI: 10.1081/SCC-120018698
  • General DescriptionNeedles or white powder.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity ProfileOrganic amides/imides, such as Thalidomide, react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx).
  • Health HazardThalidomide is a strong teratogen. Exposureto this compound during the first trimesterof pregnancy resulted in deformities inbabies. Infants born suffered from ameliaor phocomelia, the absence or severe shortening of limbs. Administration of thalidomide in experimental animals caused fetaldeaths, postimplantation mortality, and specific developmental abnormalities in theeyes, ear, central nervous system, musculoskeletal system, and cardiovascular system. Several thousand children were affected.The drug has been withdrawn from themarket.
    Thalidomide is usually administeredorally. Its toxicity is dose dependent. Someother effects are drowsiness, constipation andrash and nerve damage in the arms and legs.
    Interest in thalidomide resurged in recentyears because of its antitumor activity in thetreatment of multiple myeloma (Oxberry andJohnson 2006). The compound is an inhibitorof angiogenesis, that is, it prevents formationof new blood vessels in tumors. Also, it hasbeen found to be effective in treating AIDS-related Kaposis sarcoma.
  • Fire HazardFlash point data for Thalidomide are not available; however, Thalidomide is probably combustible.
  • Biological ActivityTeratogen, sedative-hypnotic with inherent anti-inflammatory properties. A selective inhibitor of tumor necrosis factor α (TNF- α ) synthesis.
  • Mechanism of actionIts absorption from the gastrointestinal tract is slow, with peak plasma levels being reached after 3 to 6 hours. It appears to undergo nonenzymatic hydrolysis in the plasma to a large number of metabolites.The elimination half-life is approximately 9 hours.
  • Clinical UseThalidomide is approved for use in the United States for the treatment of cutaneous manifestations of erythema nodosum leprosum, a potentially lifethreatening systemic vasculitis that occurs in some patients with leprosy.Although not approved for other indications, thalidomide has also been shown to be very effective in the management of Beh?et’s disease, HIVrelated mucosal ulceration (aphthosis), and select cases of lupus erythematosus.
  • Side effectsThalidomide is a highly teratogenic drug, characteristically causing phocomelia (aplasia of the midportions of the limbs). Even a single dose may cause fetal malformation. Thalidomide should be prescribed to women of childbearing potential only when no acceptable alternative exists. Because it is not known whether thalidomide is present in the ejaculate of males receiving the drug, male patients must use a latex condom when engaging in sexual activity with women of childbearing potential.
    Other side effects of thalidomide may include sedation (in fact, thalidomide was originally marketed in Europe as a sleeping aid), constipation, and peripheral neuropathy, which may be permanent.
  • Safety ProfilePoison by ingestion. Moderately toxic by skin contact and intraperitoneal routes. Human teratogenic effects by ingestion: developmental abnormalities of the musculoskeletal and cardiovascular systems. Experimental reproductive effects. Questionable carcinogen with experimental tumorigenic and teratogenic data. Human mutation data reported. It was commonly used as a prescription drug in Europe in the late 1950s and early 1960s. Its use was dscontinued because it was lscovered to cause serious congenital abnormalities in the fetus, notably amelia and phocomelia (absence or deformity of the limbs, including hands and feet) when taken by a woman during early pregnancy. When heated to decomposition it emits toxic fumes of NOx. Used as a sedative and hypnotic.
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