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Highleyman L 《BETA bulletin of experimental treatments for AIDS : a publication of the San Francisco AIDS foundation》1999,12(2):7-8
Several new anti-HIV drugs have received Food and Drug Administration (FDA) approval in the past three years, following a period of intense research in the mid-1990s. That cycle of research and development appears to have shifted, with only one drug expected to receive approval in the coming months. That drug, adefovir dipivoxil (Preveon) is Gilead Science's nucleotide analog. Other compounds are early in the development cycle. Those new compounds, which represent all three current anti-HIV drug classes, are summarized, and results presented at medical conferences during the past year are detailed. Several other drugs in development are aiming at novel targets. One new class of drugs is the fusion inhibitors. 相似文献
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Murphy RL 《AIDS (London, England)》2000,14(Z3):S227-S234
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Asthma is a chronic inflammatory disease that affects about 300 million people worldwide, a total that is expected to rise to about 400 million over the next 15-20 years. Most asthmatic individuals respond well to the currently available treatments of inhaled corticosteroids and beta-adrenergic agonists; however, 5-10% have severe disease that responds poorly. Improved knowledge of asthma mechanisms has led to the recognition of different asthma phenotypes that might reflect distinct types of inflammation, explaining the effectiveness of anti-leucotrienes and the anti-IgE monoclonal antibody omalizumab in some patients. However, more knowledge of the inflammatory mechanisms within the airways is required. Improvements in available therapies-such as the development of fast-onset, once-a-day combination drugs with better safety profiles-will occur. Other drugs, such as inhaled p38 MAPK inhibitors and anti-oxidants, that target specific pathways or mediators could prove useful as monotherapies, but could also, in combination with corticosteroids, reduce the corticosteroid insensitivity often seen in severe asthma. Biological agents directed against the interleukin-13 pathway and new immunoregulatory agents that modulate functions of T-regulatory and T-helper-17 cells are likely to be successful. Patient-specific treatments will depend on the development of discriminatory handprints of distinct asthma subtypes and are probably over the horizon. Although a cure is unlikely to be developed in the near future, a greater understanding of disease mechanisms could bring such a situation nearer to reality. 相似文献