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Sunday, March 9, 2014

This magic ring will protect humans from HIV

Uncomfortable should use the male condom or female? Scientists are now offering a new contraceptives. Not only more convenient, these contraceptives can also release anti-retroviral drugs (ARVs), drugs for herpes, and can be used within a period of three months.
Scientists have developed a new contraceptive for women that protects against HIV as well as unwanted pregnancies. (Picture from: http://www.skynews.com.au/)
Publication of the magic ring can be read in the PLoS One journal. Patrick Kiser of Northwestern University is one of those involved in this research. The ring is actually a vaginal contraceptive. Shaped like a ring. To use it, the ring must be inserted through the vagina.

This contraceptives offer protection to two kinds of viruses, namely HIV and herpes, but not on other sexually transmitted diseases, such as syphilis and gonorrhea. Research to produce contraceptives is fairly not easy. Big challenge because of the type of anti-HIV compounds and different herpes.

"The difference between the two major drugs, which confronts us with the challenge to design it," said Kiser rich as quoted from Times of Malta on Friday, March 7, 2014.

"Tenovoir (a type of antiretroviral drugs for HIV) is very soluble in water, while lenonorgestrel (for herpes) is not soluble in water," he said.

Patrick Kiser with a device he 
developed as a new contraceptive 
for women. (Picture from:
http://www.timesofmalta.com/)
"A daily dose between the two are also different. Rings releasing 10 milligrams tenovoir, but only 10 micrograms lenovosgestrel," he added.

Today, the ring is designed to release and lenovosgestrel tenovoir dose smaller than the oral dose because the drug will work on transmission targets. Is this already proven effective contraception? So far, there has been no human trials. However, scientists have performed experiments on rabbits.

Health experts from organizations Scarleten, Karyn Fulcher commented, "I think about education, practicality, and cost." Fulcerh also said, "of antiretroviral drugs continue to be given to healthy people at risk such as giving antibiotics to someone who does not have an infection."

"HIV mutates rapidly and already there are several strains. Resistance is the one that needs to be addressed and there are already some strains are resistant to tenovoir," she added.

Researchers respond that the strategy to provide two types of drugs such as the treatment can be adapted. But essentially, the researcher believes that this will resolve the impracticality contraceptive condom use. Researchers said that contraception should be stored at a temperature of 37 degrees Celsius for a maximum of five years. However, the challenges faced are also storage in the tropics. *** [EKA | FROM VARIOUS SOURCES | TIMES OF MALTA]
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