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Sunday, 13 March 2005  
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'Risug': cheap way to be infertile

From Upali Rupasinghe in New Delhi

The Indian Institution of Technology at Karagpur has invented a simpler, cheaper and safer male contraceptive, unlike the currently available pills that need to be taken every day, but an injection, estimated to cost Indian Rupees 120, which will be enough to make a man infertile for more than 10 years.

By lowering the dose, the period of contraception can be shortened. Also, the effect of this revolutionary drug, now into its third and final phase of clinical trials, can be reversed at any time with another injection.

The institution known for its high capability in developing new techniques in the fields of medical, industrial and scientific medicine, industry and science.

According to Dr. Sujoy K. Guha, professor of biomedical engineering, IIK, Karagpur in West Bengal, who led the team that developed the technique, the contraceptive has no side-effects. It does not affect the user's libido, performance or sperm count.

The wonder injection named 'Risug' has already been patented in India, the United States and many other countries.

'Risug', uses two chemicals - styrene maleic anhydride and dimethyl sulphoxide - which are injected into each side of the vas deferens, the tube that transports semen from the testes to the penis.

"Within an hour, the drugs produce an electrical charge of the spermatozoa, preventing them from penetrating the ovum" Dr. Guha told newspapers. "Men can leave the hospital immediately after an injection and resume their normal sex lives within a week", he added.

The technique was developed over 25 years in collaboration with the All India Institute of Medical Sciences (AIMS), and with support from the ministry of health and family planning in New Delhi. Marketing the drug is expected to do by mid-November, this year.

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