Active clinical trials for "Infections"

Treatment of HIV repairs the immune system, but continuous treatment is expensive and causes side effects. Would it not be better to treat intermittently, e.g. stop treatment when the immune system has recovered, and start again only when damage reappears? That is the question which STACCATO proposes to answer. Approximately 500 patients were recruited for this trial from 2002 to 2004. One third were treated continuously; in two thirds, the treatment was interrupted whenever the CD4 count, a measure of immune recovery, exceeded 350. At the end of 2005, the two treatment groups will be compared in order to see which fared better regarding amount of drugs used, side effects, CD4 counts, and development of resistance to treatment.

Study 0018 (NCT00107978) compares the safety and effectiveness of an investigational drug, telavancin, and an approved drug, vancomycin, for the treatment of complicated skin and skin structure infections.

To determine if linezolid is superior to vancomycin in the treatment of complicated skin and soft tissue infections due to MRSA in adult subjects

To evaluate the safety and efficacy of tigecycline in the treatment of subjects with selected serious infections caused by resistant gram-negative bacteria, eg, Acinetobacter baumannii, Enterobacter species, Klebsiella pneumoniae or other resistant gram-negative pathogens, for whom antibiotics have failed or who cannot tolerate other appropriate antimicrobial therapies. The primary efficacy endpoint will be the clinical response.

The purpose of this study is to see if it is safe and effective to give adefovir dipivoxil plus abacavir (ABC) plus efavirenz (EFV) plus amprenavir (APV) to HIV-infected patients who have failed to respond to previous treatment with protease inhibitors (PIs).

To obtain preliminary information on the safety, tolerability, and antiretroviral activity of HBY 097 alone or in combination with zidovudine ( AZT ) versus AZT alone. PER 1/19/96 AMENDMENT: AZT monotherapy arm was eliminated.

The purpose of this study is to see if it is safe and effective to give adefovir plus other anti-HIV drugs to HIV-infected patients who have failed other anti-HIV drug combinations. This study will try to make adefovir available to all AIDS patients who need it. Some patients do not respond to anti-HIV drug combinations, even when different combinations are tried. Adefovir may be able to help these patients fight HIV.

The purpose of this study is to see if it is safe to give amprenavir (APV) to HIV-infected patients. This study also examines the effect APV has on the level of HIV in the blood. Earlier studies have shown that APV is effective in slowing the growth of HIV in the body. Patients who have failed previous anti-HIV treatment or who are unable to take other protease inhibitors (PIs) may benefit from the availability of a new PI such as APV.

This study will treat patients who have a community-acquired pneumonia that is due to a specific bacteria (S. pneumoniae)

This study will evaluate the effects of intermittent short cycles of HAART (highly active antiretroviral therapy) for treating HIV infection. HAART is a multi-drug regimen that is very effective in suppressing HIV and perhaps slowing or halting progression to AIDS. However, the treatment has significant drawbacks: it cannot completely rid the body of virus; long-term therapy carries a risk of toxicity (harmful side effects); and the regimen is difficult to comply with because many pills and capsules must be taken daily. When patients stop taking HAART, their HIV levels climb again. This study will see if giving HAART in short cycles of 7 days on, 7 days off, can keep viral levels low while maintaining CD4+ T cell counts. HIV-infected people age 18 or older who are receiving HAART and have a viral load of less than 50 copies/ml and a CD4+ T cell count of at least 175 cells/mm3 may be eligible for this study. Candidates will be screened with a medical history and physical examination, blood and urine tests, and possibly a chest X-ray and electrocardiogram. Women of childbearing potential will have a pregnancy test. Participants will be randomly assigned to either continue their current medication regimen or to take HAART in intermittent cycles of 7 days off, 7 days on. Patients will continue treatment for 72 weeks or until viral levels increase or CD4+ T cell counts decline to a level of concern. Upon entering the study, patients will have blood tests to monitor the amount of virus in the blood, CD4+ T cell count, viral resistance to HAART medications, side effects of the drug, and immune response to HIV in the test tube. They will have clinic visits for a history, physical examination and blood draws every month for 12 months. At that time, depending on T cell counts and viral load, the number of visits may be reduced, but never less frequently than every other month. Patients will also undergo leukapheresis-a procedure for collecting quantities of white blood cells-every 3 to 4 months while on the study. For this procedure, whole blood is collected through a needle in an arm vein (similar to donating blood). The blood is circulated through a cell separator where the white cells are removed, and the rest of the blood (plasma, red cells and platelets) is returned through the same needle or through a second one in the other arm. The collected white cells are used for special studies on the level and function of T cells and to detect hidden virus.