30 minutes of AIDS saliva test paper will be available next year

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At the dawn of the 23rd World AIDS Day, the National Women's Federation’s Rights and Legal Department and the Legal Help Center organized a high-level forum on “Women's Rights and AIDS” and a community action pilot in Beijing with the theme of “focusing on gender and AIDS among women and girls”. Start meeting.

Jiang Yuezhe, director of the National Women’s Federation’s rights and interests department, emphasized at the kick-off meeting that doing a good job of AIDS prevention and control not only concerns the basic human rights of AIDS patients and infected persons, but also relates to social harmony and stability. In the future, we should not only pay attention to the severity of the AIDS epidemic, but also pay attention to the realization and implementation of rights. It is necessary not only to pay attention to the same problems faced by female AIDS patients and infected persons as men, but also to pay attention to women’s special rights based on gender. We must not only pay attention to the dissemination of knowledge, but must also pay attention to changes in people's behavior.

HIV tests an "ice-cream bar," a piece of test paper, and a set of reagents. Together with the subject's saliva samples, it takes only 30 minutes to complete an HIV screening at home.

A few days ago, the reporter learned from the Chinese Academy of Medical Sciences Transfusion Research Institute in Chengdu that the saliva AIDS rapid test strip developed by the institute has completed the clinical trial stage. It passed the expert review organized by the State Food and Drug Administration last week and is expected to be put into production in Chengdu next year. , is expected to be available in the second half of the year.

The rapid detection of saliva takes only 30 minutes at the Institute of Blood Transfusion. The reporter saw the "sample" of the saliva test strip. The box's packaging shows the full name of the oral mucosal exudate human immunodeficiency virus (1/2) antibody test kit. ". Each of the 10 individual bags in the box contains a test tube with a sample diluent, a strip of test strips, and a piece of "ice-cream bar" (professional name: buccal swab) with a strip-like end.

According to Dai Qichen, executive vice president of the Chengdu Institute of Transfusion and Biotechnology Center of the Institute of Blood Transfusion, the end of the buccal swab should be wiped with the upper and lower gum line of the subject and the swab should be inserted into the solution immediately after the test. In the test tube, sampling was completed after the swab was completely immersed in the diluent. Next, the test strip was placed in a test tube for 20 minutes and judged based on the “performance” of the test strip. "If a red line appears on the test strip, the test is negative; if there are two red lines, the test result is positive." Dai Qilu said that the entire operation process takes less than 30 minutes.

Testing positive only for primary screening also requires confirmation that Dai Qilu says that saliva test strips have several advantages over traditional blood testing methods. Traditional blood tests need to be returned to the laboratory after blood sampling is completed, which takes a long time, and there are certain occupational exposure risks for medical personnel. In addition, discarded blood samples need to be safely handled through a series of procedures. “Any problem at any one point can lead to infection.”

Since HIV antibodies are present not only in the blood but also in body fluids such as saliva, tears, and urine, they can be screened by detecting antibodies in saliva samples. Dai Qilu said that the use of saliva test strips can not only avoid risks, but also protect the privacy of infected people to the greatest extent. People in need can begin screening at home.

"What should be particularly reminded is that saliva testing is only the initial screening stage for HIV antibody testing. If the test results are positive, it is still necessary to go to the designated hospital for confirmatory testing," Dai Qilu said.

Completed clinical trials It is expected that the Institute of Blood Transfusion for Face-to-face Blood Transfusion will begin preparations in 2003 for the Institute of Blood Transfusion. In 2006, it received funding support of more than 4 million yuan for the “National 863 Major Scientific and Technological Project” and then entered the scientific research stage.

Last year, saliva test strips entered the clinical trial stage. According to Dai Qilu, last year, three clinical trial units including Sichuan Provincial Center for Disease Control and Prevention, Chengdu Center for Disease Control and Prevention, and Chengdu City Blood Center conducted approximately 1200 clinical trials in different populations for the product. The test paper has a sensitivity of 99.21%, a specificity of 100%, and an accuracy of 99.83%, which is similar to the results of traditional blood sifting reagents performed at the same time.

In March of this year, the Chengdu Institute of Transfusion Biotechnology Center of the Institute of Blood Transfusion passed the assessment of R&D and production on the spot by the State Food and Drug Administration. In May, it began to declare the production document number. Dai Qilu said that last week he passed an expert review organized by the State Food and Drug Administration. After getting the production document number, it is expected that it can be put into production in Chengdu next year and will be available in the second half of the year.

At the "China Transfusion Association Fifth Blood Transfusion Conference and the 2010 China Transfusion Medicine High-level Forum" held last month, some experts emphasized that some individuals who are exposed to high-risk behavior are afraid to go to testing organizations because they are afraid of leaking their privacy. Voluntary blood donation tests, such "malicious blood donations" increase the cost of detection and the risk of clinical blood use. "If this quick test strip can be bought in a pharmacy, this part of the population will be reduced."

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