Zidovudine is phosphorylated to active metabolites that compete for incorporation into viral DNA. They inhibit the HIV reverse transcriptase enzyme competitively and act as a chain terminator of DNA synthesis.[1] Zidovudine is known to be responsible for a mitochondrial myopathy with ragged-red fibres and mitochondrial DNA depletion in muscle. Lactic acidosis alone or associated with hepatic abnormalities has also been reported.[2] Zidovudine is converted within the body to its active form (zidovudine triphosphate). This active form is similar to the compound thymidine triphosphate, a chemical needed by the HIV virus to make new DNA.[3]
[1] http://www.genrxinfo.com/drugs/zidovudine.htm
[2] http://www.mitochondrial.net/showabstract.php?pmid=9927163
[3] http://www.medterms.com/script/main/art.asp?articlekey=11435
Patients should be informed that the major toxicities of RETROVIR are neutropenia and/or anemia. The frequency and severity of these toxicities are greater in patients with more advanced disease and in those who initiate therapy later in the course of their infection.[21] Patients who have a certain gene type called HLA-B*5701 have an increased risk of an allergic reaction to abacavir. A lab test may be performed before you start Abacavir/Lamivudine/Zidovudine to see if you have this gene type.[22] Patients were then followed off- uridine for another 16 weeks. Highly active antiretroviral therapy .[23]
[21] http://www.flexyx.com/z/zidovudine%20ep%20iii.html
[22] http://www.drugs.com/cdi/abacavir-lamivudine-zidovudine.html
[23] http://www.mitochondrial.net/showabstract.php?pmid=18163507
Patients exhibiting symptoms of fever, skin rash, fatigue, respiratory symptoms (eg, pharyngitis, dyspnea, cough) and/or GI symptoms (eg, abdominal pain, nausea, vomiting, diarrhea) should discontinue therapy immediately and call for medical attention. Trizivir? should be permanently discontinued if hypersensitivity cannot be ruled out, even when other diagnoses are possible.[24] Patients who have both HIV and hepatitis B infection and who stop using Lamivudine/Zidovudine should have their liver function closely checked for at least several months after their last dose. [25]
[24] http://www.umm.edu/altmed/drugs/abacavir-lamivudine-000140.htm
[25] http://zidovudine.net/?page=lamivudine-zidovudine&info=cdi
HIV can be passed to the baby if the mother is not properly treated during pregnancy. Take all of your HIV medicines as directed to control your infection while you are pregnant.[36] HIV is the virus that causes acquired immune deficiency syndrome (AIDS). Lamivudine is taken together with zidovudine (AZT) or other medications used to treat HIV.[37]
[36] http://health.msn.com/medications/articlepage.aspx?cp-documentid=100060933
[37] http://www.specialityformulations.com/anti-retroviral-drugs.html
LAMIVUDINE; ZIDOVUDINE is two antiretroviral drugs in one tablet. It is used with other medicines to treat HIV.[60] Lamivudine in combination with zidovudine has been shown to have synergistic antiretroviral activity. [61]
[60] http://www.myidb.com/all/combivir-lamivudine---zidovudine/
[61] http://www.inhousepharmacy.com/generics/duovir.html
Zidovudine does not prevent the spread of HIV to other people except when given to HIV-positive pregnant women. Zidovudine is given to HIV-positive pregnant women to prevent the infection from going to the baby.[1] Zidovudine was shown to suppress the transformation of normal peripheral blood lymphocytes cocultured with HTLV-I transformed cell lines. Moreover, zidovudine inhibited HTLV-I replication and expression in a rabbit model of ATL at doses lower than those required for direct cytotoxicity.[2] Zidovudine Tablets are indicated for use in combination with other antiretroviral (ARV) agents in the treatment of HIV infection. [3]
[1] http://www.consumerreports.org/health/prescription-drugs/zidovudine-oral/how-is-it-used.htm
[2] http://www.nature.com/leu/journal/v14/n4/full/2401742a.html
[3] http://i-newswire.com/pr36692.html
Zidovudine was discontinued, and dideoxyinosine was begun. The acidosis again resolved spontaneously by March 1992, and he is currently asymptomatic.[4] Zidovudine and placebo were compared in a threshold utility analysis considering reduction in quality of life associated with adverse events and disease progression. Adverse events defined by laboratory findings were distinguished from findings representing symptomatic events.[5] Zidovudine was the first antiretroviral drug, approved in 1987, and lamivudine became available in 1995. Since 1998, zidovudine and lamivudine have been available in a single-pill formulation called Combivir, which is prescribed as one pill taken twice daily.[6]
[4] http://www.annals.org/cgi/content/full/119/4/343-d
[5] http://www.annals.org/cgi/content/abstract/116/12_part_1/961
[6] http://www.innovations-report.com/html/reports/studies/report-54087.html
Toxicity rates were low among all treatment groups. A greater decrease in hemoglobin levels was seen with the regimen using zidovudine alone (8 g/L) compared with combination regimens using the same zidovudine dose ( 1.5 g/L, P = 0.03).[20] Toxic by inhalation, in contact with skin and if swallowed. If you feel unwell, seek medical advice (show the label where possible).[21]
[20] http://annals.org/content/119/8/786.short
[21] http://www.virusmyth.com/aids/index/azt.htm
AZT has been the target of some controversy due to the nature of the patent process. The drug is easy to produce in bulk, costing about $0.63 per daily dose, but due to the patent protection GlaxoSmithKline is able to sell it for about $8 pdd.[22] AZT treatment dramatically alters the pattern of glycosphingolipid biosynthesis, nearly abolishing ganglioside synthesis at clinically relevant concentrations (1-5 ?M), and suppresses the incorporation of both sialic acid and galactose into proteins. Control experiments demonstrate that these changes do not result from nonspecific effects on either the secretory apparatus or protein synthesis.[23] AZT was subsequently approved as a preventive treatment in 1990. It was initially administered in much higher dosages than today, typically 400 mg every four hours (even at night).[24]
[22] http://www.experiencefestival.com/a/zidovudine/id/1952742
[23] http://www.jbc.org/cgi/content/abstract/270/39/22836
[24] http://wapedia.mobi/en/zidovudine
Treatment effects were not constant over time, decreasing by 14%?32% for each six months of follow up. This was supported by unadjusted incidences across groups stratified by duration of zidovudine use, indicating reduced risk with treatment for up to 18 months but not with longer duration of use of zidovudine.[28]
[28] http://jnnp.bmj.com/cgi/content/abstract/65/1/34
Medication may cause drowsiness, constipation, redness of the face, skin rash, itching and loss of hair. Notify physician if these become pronounced.[4] Medical research is necessary to find cures for diseases. Almost all medical research is conducted through extensive clinical trials.[5]
[4] http://www.pharmainfo.net/reviews/aids-prevention-and-pharmacists-role
[5] http://bioethics.suite101.com/article.cfm/the_uganda_tuberculosis_experiment
This HIV treatment information is for educational purposes only and is not intended to replace the advice of your doctor or health care provider. We encourage you to discuss with your doctor any questions or concerns you may have.
For successful case studies, using a simple and natural home HIV cure:
http://cureaidsinfo.com