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suramin

A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties.

A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties. Suramin is manufactured by Bayer in Germany as Germanin®.

Also known as: Naphuride, Germanin, Naganol, Belganyl, Fourneau, Farma, Antrypol, Suramine, Naganin

8,8′-{Carbonylbis[imino-3,1-phenylenecarbonylimino(4-methyl-3,1-phenylene)carbonylimino]}di(1,3,5-naphthalenetrisulfonic acid) …FREE FORM

8,8′-[Ureylenebis[m-phenylenecarbonylimino(4-methyl-m-phenylene)carbonylimino]]di(1,3,5-naphthalenetrisulfonic acid) hexasodium salt

CAS  145-63-1 FREE FORM

129-46-4 of hexa sodium

LAUNCHED 1940 BAYER

The molecular formula of suramin is C₅₁H₃₄N₆O₂₃S₆. It is a symmetric molecule in the center of which lies urea, NH-CO-NH. Suramin contains eightbenzene rings, four of which are fused in pairs (naphthalene), four amide groups in addition to the one of urea and six sulfonate groups. When given as drug it usually contains six sodium ions that form a salt with the six sulfonate groups.

Suramin is a drug developed by Oskar Dressel and Richard Kothe of Bayer, Germany in 1916, and is still sold by Bayer under the brand nameGermanin.

Suramin sodium is a heparanase inhibitor that was first launched in 1940 by Bayer under the brand name Antrypol for the treatment of helminthic infection. It was later launched by Bayer for the treatment of trypanosomiasis (African sleeping sickness).

More recently, the product has entered early clinical development at Ohio State University for the treatment of platinum-pretreated patients with stage IIIB/IV non-small cell lung cancer, in combination with docetaxel or gemcitabine.

The National Cancer Institute (NCI) is conducting phase II clinical studies for the treatment of glioblastoma multiforme and for the treatment of adrenocortical carcinoma.

According to the National Cancer Institute there are no active clinical trials (as of April 1, 2008). Completed and closed clinical trials are listed here:[1]

In addition to Germanin, the National Cancer Institute also lists the following “Foreign brand names”: 309 F or 309 Fourneau,^[1] Bayer 205, Moranyl, Naganin, Naganine.

It is used for treatment of human sleeping sickness caused by trypanosomes.^[2]

It has been used in the treatment of onchocerciasis.^[3]

It has been investigated as treatment for prostate cancer.^[4]

Also, suramin as treatment for autism is being evaluated. ^[5]

Suramin is administered by a single weekly intravenous injection for six weeks. The dose per injection is 1 g.

The most frequent adverse reactions are nausea and vomiting. About 90% of patients will get an urticarial rash that disappears in a few days without needing to stop treatment. There is a greater than 50% chance of adrenal cortical damage, but only a smaller proportion will require lifelongcorticosteroid replacement. It is common for patients to get a tingling or crawling sensation of the skin with suramin. Suramin will cause clouding of the urine which is harmless: patients should be warned of this to avoid them becoming alarmed.

Kidney damage and exfoliative dermatitis occur less commonly.

Suramin has been applied clinically to HIV/AIDS patients resulting in a significant number of fatal occurrences and as a result the application of this molecule was abandoned for this condition. http://www.ncbi.nlm.nih.gov/pubmed/3548350

Suramin is also used in research as a broad-spectrum antagonist of P2 receptors^[6][7] and agonist of Ryanodine receptors.^[8]

suramin

Its effect on telomerase has been investigated.^[9]

It may have some activity against RNA viruses.^[10]

In addition to antagonism of P2 receptors, Suramin inhibits the acitivation of heterotrimeric G proteins in a variety of other GPCRs with varying potency. It prevents the association of heteromeric G proteins and therefore the receptors Guanine exchange functionality (GEF). With this blockade the GDP will not release from the Gα subunit so it can not be replaced by a GTP and become activated. This has the effect of blocking downstream G protein mediated signaling of various GPCR proteins including Rhodopsin, the A1 Adenosine receptor, and the D2 dopamine receptor.^[11]

A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties. Suramin is manufactured by Bayer in Germany as Germanin®.

SURAMIN

• Suramin bound to proteins in the PDB
• Drug information
• Suramin, drug information by JBC Online
• Suramin in treating patients with recurrent bladder cancer
• National Cancer Institute

Enterovirus-71 (EV71) is one of the major causative reagents for hand-foot-and-mouth disease. In particular, EV71 causes severe central nervous system infections and leads to numerous dead cases. Although several inactivated whole-virus vaccines have entered in clinical trials, no antiviral agent has been provided for clinical therapy. In the present work, we screened our compound library and identified that suramin, which has been clinically used to treat variable diseases, could inhibit EV71 proliferation with an IC50 value of 40μM. We further revealed that suramin could block the attachment of EV71 to host cells to regulate the early stage of EV71 infection, as well as affected other steps of EV71 life cycle. Our results are helpful to understand the mechanism for EV71 life cycle and provide a potential for the usage of an approved drug, suramin, as the antiviral against EV71 infection.

• Suramin Hexasodium
• 129-46-4

Synonyms

• 309 F
• Antrypol
• BAY 205
• Bayer 205
• CI-1003
• EINECS 204-949-3
• Fourneau 309
• Germanin
• Moranyl
• Naganin
• Naganine
• Naganinum
• Naganol
• Naphuride sodium
• NF060
• NSC 34936
• SK 24728
• Sodium suramin
• Suramin Hexasodium
• Suramin sodium
• Suramina sodica
• Suramina sodica [INN-Spanish]
• Suramine sodique
• Suramine sodique [INN-French]
• Suramine sodium
• Suraminum natricum
• Suraminum natricum [INN-Latin]
• UNII-89521262IH

Suramin Sodium, is an anticancer agent with a wide variety of activities.

Recently suramin was shown to inhibit FSH binding to its receptor (Daugherty, R. L.; Cockett, A. T. K.; Schoen, S. R. and Sluss, P. M. “Suramin inhibits gonadotropon action in rat testis: implications for treatment of advanced prostate cancer” J. Urol. 1992, 147, 727-732).

This activity causes, at least in part, the decrease in testosterone production seen in rats and humans that were administered suramin(Danesi, R.; La Rocca, R. V.; Cooper, M. R.; Ricciardi, M. P.; Pellegrini, A.; Soldani, P.; Kragel, P. J.; Paparelli, A.; Del Tacca, M.; Myers, C. E, “Clinical and experimental evidence of inhibition of testosterone production by suramin.” J. Clin. Endocrinol. Metab. 1996, 81, 2238-2246).

Suramin is the only non-peptidic small molecule that has been reported to be an FSH receptor binding antagonist.

Suramin is 8,8′ – (carbonylbis(imino-3,1-phenylenecarbonylimino (4-methyl-3,1-phenylene) carbonylimino)) bis-1,3 ,5-naphthalenetrisulfonic acid (GB Patent No. 224849). This polyanionic compound has been used for many decades as a prophylactic and therapeutic agent for try- panosomiasis. It was subsequently shown that suramin is able to block the activity of a variety of proteins like cellular and viral enzymes and growth factors (Mitsuya, M. et al. Science 226 : 172 (1984), Hosang, M. J. Cell. Biochem. 29 : 265 (1985), De Clercq, E. Cancer Lett. 8 : 9 (1979)).

THANKS AND REGARD’S
DR ANTHONY MELVIN CRASTO Ph.D

GLENMARK SCIENTIST , NAVIMUMBAI, INDIA

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