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PubMed2002

Fluconazole to prevent yeast infections in bone marrow transplantation patients: a randomized trial of high versus reduced dose, and determination of the value of maintenance therapy.

PURPOSE: To determine the optimal dose and duration of fluconazole antifungal prophylaxis therapy in bone marrow transplantation patients. SUBJECTS AND METHODS: Two hundred and fifty-three pediatric and adult bone marrow transplantation patients were randomly assigned to receive fluconazole 400 mg daily (high dose) or 200 mg daily (low dose) while they were neutropenic. After neutrophil recovery, patients were randomly assigned to receive maintenance therapy with either fluconazole (100 mg daily) or clotrimazole troches (10 mg 4 times daily) until 100 days after transplantation. Patients were monitored until 2 weeks after completion of early prophylaxis and to 100 days after transplantation. RESULTS: During the early prophylaxis phase, rates of yeast colonization and infections were similar in both treatment groups. By day 50, the incidence of Candida infections in the high-dose group was 4% (95% confidence interval [CI]: 1% to 7%; n = 5), compared with 1% in the low-dose fluconazole group (95% CI: 0% to 3%; n = 1; P = 0.08). During the same period, the incidence of Aspergillus infections was 4% (95% CI: 1% to 7%; n = 5) in the high-dose group and 2% (95% CI: 0% to 4%; n = 2; P = 0.33) in the low-dose group. During the maintenance prophylaxis phase, rates of yeast colonization and superficial infections were similar in the fluconazole and clotrimazole groups. Four patients developed systemic fungal infection in the maintenance phase (1 who received clotrimazole and 3 who received fluconazole). CONCLUSION: High-dose (400 mg daily) and low-dose (200 mg daily) fluconazole have similar efficacy in reducing the incidence of yeast colonization, superficial infection, and systemic infection in neutropenic pediatric and adult patients undergoing bone marrow transplantation. Rates of yeast colonization after neutrophil recovery were similar in patients treated with fluconazole or clotrimazole.

Adolescent↗
PubMed1988

Oral fluconazole as suppressive therapy of disseminated cryptococcosis in patients with acquired immunodeficiency syndrome.

PURPOSE: Because of the increasing numbers of patients with acquired immunodeficiency syndrome (AIDS) who will require treatment for cryptococcosis and because of the problems associated with long-term administration of intravenous amphotericin B, an alternative therapeutic approach in the form of an efficacious and easily administered oral antifungal drug would be of great benefit. Fluconazole, a new triazole antifungal agent, represents such an alternative. We therefore conducted an open, non-randomized trial of oral fluconazole as maintenance suppressive therapy of disseminated cryptococcosis in patients with AIDS. PATIENTS AND METHODS: Twenty patients with AIDS, 19 of whom had cryptococcal meningitis, were studied. Patients were followed for up to 21 months. All patients received amphotericin B as primary therapy, from 20 to 257 days prior to entry (500 to 5,080 mg total dose). Eight also received flucytosine. After administration of amphotericin B for acute disseminated cryptococcosis, and prior to initiation of fluconazole therapy, Cryptococcus neoformans was isolated from the cerebrospinal fluid (CSF) in two patients and from the blood in one patient. Fluconazole was given once daily, in doses of 50 to 200 mg/day. RESULTS: Following initiation of fluconazole, results of CSF and blood cultures continued to be negative, except for the CSF culture in one patient who had a relapse in the 32nd week of therapy. Fluconazole therapy has been successfully continued in nine patients, for a median of 11 months (nine to 21 months). Seven patients died; five had no evidence of active cryptococcosis at the time of death. Two patients had a relapse, although the CSF culture showed growth of the fungus in only one patient. One patient was lost to follow-up after five months of therapy and one was unevaluable. Fluconazole had to be discontinued in only one patient in whom thrombocytopenia developed, and then resolved when the drug was stopped. CONCLUSION: We conclude that oral fluconazole represents a significant advance in the management of cryptococcal meningitis and should be useful in the long-term suppressive therapy of this opportunistic infection in patients with AIDS.

Acquired Immunodeficiency Syndrome↗
PubMed1997

Treatment of histoplasmosis with fluconazole in patients with acquired immunodeficiency syndrome. National Institute of Allergy and Infectious Diseases Acquired Immunodeficiency Syndrome Clinical Trials Group and Mycoses Study Group.

PURPOSE: This study assesses the efficacy and safety of fluconazole therapy in patients with acquired immunodeficiency syndrome (AIDS) and mild to moderately severe manifestations of disseminated histoplasmosis. PATIENTS AND METHODS: This was a multicenter, open-label, nonrandomized prospective trial. All patients had AIDS and disseminated histoplasmosis. Patients were treated with 1,200 mg of fluconazole given by mouth once on the first day, then 600 mg once daily for 8 weeks, and those patients who improved clinically were then assigned fluconazole maintenance therapy 200 mg once daily for at least 1 year. Interim analysis revealed a high failure rate (10 of 20, 50%), causing revision of the protocol to increase the fluconazole dose to 1,600 mg given once on the first day, then 800 mg once daily, and the duration to 12 weeks for induction therapy and then 400 mg daily for 1 year for maintenance therapy. MEASUREMENTS AND MAIN RESULTS: Thirty-six of 49 patients (74%; 95% confidence interval [CI]: 59% to 85%) with mild to moderately severe clinical manifestations who entered into the revised study responded to 800 mg of fluconazole daily for 12 weeks as induction therapy. Of the seven patients who failed induction therapy because of progression of histoplasmosis, one died of the infection. Of 36 patients who entered into the maintenance phase of the study receiving 400 mg of fluconazole daily for 1 year, 11 (30.5%) relapsed, including one who died (2.8%). Two of the 49 patients (4.1%) were removed because of grade 4 adverse events, alkaline phosphatase elevation for one and aspartate aminotransferase elevation in the other. The relapse-free rate at 1 year was 53% (95% CI: 32% to 89%), prompting closure of the study. CONCLUSIONS: Fluconazole 800 mg daily is a safe and moderately effective induction therapy for mild or moderately severe disseminated histoplasmosis in patients with AIDS. On the basis of historic comparison, fluconazole 400 mg daily is less effective than itraconazole 200 to 400 mg daily or amphotericin B 50 mg given weekly as maintenance therapy to prevent relapse.

AIDS-Related Opportunistic Infections↗
PubMed1998

A randomized comparison of fluconazole with amphotericin B as empiric anti-fungal agents in cancer patients with prolonged fever and neutropenia.

PURPOSE: Several studies have documented the efficacy of amphotericin B as empiric antifungal therapy in cancer patients with prolonged fever and neutropenia. Amphotericin, however, is a toxic drug. Fluconazole has broad-spectrum antifungal activity with an excellent safety profile. Although prophylactic use of fluconazole is widespread, its efficacy as an empiric antifungal agent has not been extensively investigated. PATIENTS AND METHODS: We randomly assigned 106 patients with absolute neutropenia (< or = 500 cells microL) and persistent fever of undetermined origin (> 38 degrees C) despite 1 week of broad-spectrum antibiotic therapy to receive either fluconazole 400 mg orally daily or amphotericin B 0.5 mg/kg/day. Patients with obvious invasive fungal infections were excluded, as were those with abnormal renal or hepatic function. Success was defined as defervescence with the initially assigned antifungal regimen without development of clinically evident invasive fungal infection. RESULTS: Six patients were excluded from the analysis, mostly because they did not have severe neutropenia. Forty-eight patients received amphotericin B, and 52 received fluconazole. Baseline clinical characteristics and laboratory parameters as well as duration of neutropenia (7.7 versus 6.9 days), duration of fever (7.8 versus 8.1 days), and duration of hospitalization (10.4 versus 8.3 days) were similar between those receiving amphotericin and fluconazole. Treatment success rates and mortality rates were similar in the two groups: 22 (46%) patients in the amphotericin group and 29 (56%) patients in the fluconazole group responded successfully to therapy (P = 0.3), whereas 16 (33%) patients in the amphotericin group and 14 (27%) patients in the fluconazole group died during hospitalization (P = 0.5). Adverse events such as chills and fever (4 versus 1), bronchospasm (2 versus none), severe hypokalemia (25 versus 12) and nephrotoxicity (9 versus 3) were more frequently observed in patients receiving amphotericin. Adverse prognostic factors included prolonged duration of neutropenia and pneumonia. CONCLUSIONS: These results suggest that fluconazole is an equally effective but less toxic alternative to amphotericin B as empiric antifungal therapy in cancer patients with prolonged fever and neutropenia.

Adolescent↗
PubMed1998

The effect of fluconazole on circulating ethinyl estradiol levels in women taking oral contraceptives.

OBJECTIVE: This open-label, two-period, crossover study was conducted to evaluate the effect of a single 150 mg dose of fluconazole on the pharmacokinetics of ethinyl estradiol in healthy female subjects. STUDY DESIGN: Ten subjects regularly taking Ortho-Novum 7/7/7 (Ortho Pharmaceutical, Raritan, N.J.) and 10 subjects regularly taking Triphasil (Wyeth-Ayerst Laboratories, Philadelphia), which contain ethinyl estradiol 35 microg and 30 microg during days 1 to 6, respectively, were randomly assigned to receive a single 150 mg dose of fluconazole 2 hours before the oral contraceptive, on pill day 6 of one of two menstrual cycles. Ethinyl estradiol serum concentrations were measured at baseline and up to 24 hours after oral contraceptive intake. No fluconazole was administered during the other menstrual cycle, which served as the control. RESULTS: Mean serum concentrations of ethinyl estradiol were increased after fluconazole administration in both oral contraceptive groups. Maximum observed serum concentration and area under the concentration-time curve values were significantly (p < 0.05) greater during the fluconazole regimens (vs regimens without fluconazole) for both oral contraceptive groups and for combined values of the two oral contraceptive groups. The mean time to reach the maximum concentration was not altered by concomitant fluconazole administration. CONCLUSIONS: These findings suggest that there is a potential for a clinically significant interaction between coadministration of fluconazole and ethinyl estradiol in oral contraceptives.

Adult↗
PubMed1992

Safety and pharmacokinetics of fluconazole in children with neoplastic diseases.

To evaluate the safety, tolerance, and pharmacokinetics of fluconazole in children with neoplastic diseases, we studied fluconazole in 26 children, aged 5 to 15 years, with normal renal function who were receiving treatment for cancer. The patients received fluconazole, 2, 4, or 8 mg/kg per day for 7 days intravenously for a 2-hour period. Patients had no nausea or vomiting related to fluconazole; three patients had an asymptomatic rise in hepatic aminotransferase values after four to six doses (one patient at 2 mg/kg per day and two patients at 8 mg/kg per day), which returned to normal within 2 weeks after discontinuation of the drug. Fluconazole showed linear first-order kinetics over the dosage range tested and during multiple dosing. After the first dose, mean clearance was 22.8 +/- 2.3 ml/min, volume of distribution 0.87 +/- 0.06 L/kg, and terminal elimination half-life 16.8 +/- 1.1 hours. Similarly, after the last dose, clearance was 19.4 +/- 1.3 ml/min, volume of distribution 0.84 +/- 0.04 L/kg, and terminal elimination half-life 18.1 +/- 1.2 hours. Patients receiving their first fluconazole dose of 8 mg/kg achieved peak serum levels of 9.5 +/- 0.4 microgram/ml and trough levels of 2.7 +/- 0.5 microgram/ml 24 hours later, and an area under the serum concentration-time curve from time zero to infinity of 186 +/- 16 micrograms.hr per milliliter. Renal clearance of fluconazole was 65% +/- 5% of total clearance and demonstrated the predominantly renal excretion of this drug. We suggest that the shorter serum half-life and the higher frequency of aminotransferase elevations in comparison with those of adults warrant careful investigation of fluconazole in controlled clinical trials.

Child↗
PubMed1989

Comparison of fluconazole and ketoconazole for oropharyngeal candidiasis in AIDS.

In a randomised, double-blind study the efficacy and toxicity of oral fluconazole 50 mg daily and ketoconazole 200 mg daily were compared for the treatment of oropharyngeal candidiasis in patients with acquired immunodeficiency syndrome (AIDS) and AIDS-related complex (ARC). 20 episodes (18 patients) were treated with fluconazole and 20 episodes (19 patients) with ketoconazole. Pretreatment clinical features and laboratory test results were similar in both groups. 17 episodes (85%) in the fluconazole group and 16 (80%) in the ketoconazole group could be evaluated. There was clinical cure at the end of therapy in all fluconazole-treated and 12 of 16 (75%) ketoconazole-treated episodes. Cultures were negative at the end of therapy in 87% of the fluconazole group and 69% of the ketoconazole group. 1 patients stopped taking fluconazole because of severe nausea. 1 of 18 fluconazole-treated and 4 of 19 ketoconazole-treated patients had transient rises in alanine or aspartate aminotransferase. Fluconazole seemed more effective than ketoconazole in the treatment of oral thrush among AIDS and ARC patients.

AIDS-Related Complex↗
PubMed1998

In vitro interaction of fluconazole and amphotericin B administered sequentially against Candida albicans: effect of concentration and exposure time.

This study investigated the potential antagonism of fluconazole on amphotericin B activity against Candida albicans when administered sequentially in vitro. Yeast cells were exposed to fluconazole for time periods ranging from 0 to 24 h before the addition of amphotericin B. The combination showed fungicidal (> or = 3 log 10 reduction in CFU/mL) activity. After 4 h of exposure to fluconazole, amphotericin B activity was partially inhibited at the lower concentration tested (0.25 x MIC). Amphotericin B activity was dramatically decreased by previous exposure to fluconazole for greater than or equal to 8 h at both the high and low concentrations tested. The activity of amphotericin B against yeast exposed to fluconazole for at least 8 h was indistinguishable from fluconazole alone and was fungistatic (< or = 2 log 10 reduction in CFU/mL). This inhibition of amphotericin B activity persisted for a very short period (< 6 h) after removal of fluconazole from the culture medium, indicating the need for continued exposure to fluconazole for lasting inhibition of amphotericin B activity.

Amphotericin B↗
PubMed2002

The genetic basis of fluconazole resistance development in Candida albicans.

Infections by the opportunistic fungal pathogen Candida albicans are widely treated with the antifungal agent fluconazole that inhibits the biosynthesis of ergosterol, the major sterol in the fungal plasma membrane. The emergence of fluconazole-resistant C. albicans strains is a significant problem after long-term treatment of recurrent oropharyngeal candidiasis (OPC) in acquired immunodeficiency syndrome (AIDS) patients. Resistance can be caused by alterations in sterol biosynthesis, by mutations in the drug target enzyme, sterol 14alpha-demethylase (14DM), which lower its affinity for fluconazole, by increased expression of the ERG11 gene encoding 14DM, or by overexpression of genes coding for membrane transport proteins of the ABC transporter (CDR1/CDR2) or the major facilitator (MDR1) superfamilies. Different mechanisms are frequently combined to result in a stepwise development of fluconazole resistance over time. The MDR1 gene is not or barely transcribed during growth in vitro in fluconazole-susceptible C. albicans strains, but overexpressed in many fluconazole-resistant clinical isolates, resulting in reduced intracellular fluconazole accumulation. The activation of the gene in resistant isolates is caused by mutations in as yet unknown trans-regulatory factors, and the resulting constitutive high level of MDR1 expression causes resistance to other toxic compounds in addition to fluconazole. Disruption of both alleles of the MDR1 gene in resistant C. albicans isolates abolishes their resistance to these drugs, providing genetic evidence that MDR1 mediates multidrug resistance in C. albicans.

AIDS-Related Opportunistic Infections↗
PubMed1997

Effect of iron on fluconazole activity against Candida albicans in presence of human serum or monocyte-derived macrophages.

Human serum, transferrin, and apotransferrin are known to profoundly inhibit the growth of Candida albicans by iron deprivation. On the other hand, iron overload (iron saturated transferrin) is a serious risk factor for candidiasis in newborn and in leukemic patients. We tested the efficacy of fluconazole and the previously demonstrated synergy of fluconazole and effector cells against C. albicans under iron overload conditions where efficacy might be diminished. We confirm that exogenous iron completely reversed the inhibitory effect of human serum and report that the efficacy of fluconazole against C. albicans was not significantly compromised in a 24 h assay system. Although exogenous iron inhibited fungistatic activity of monocyte-derived macrophages, it did not interfere with the synergistic candidacidal activity of fluconazole and monocyte-derived macrophages. In 72 h assays, where fluconazole had candidacidal activity, exogenous iron did not compromise efficacy of fluconazole, and fluconazole activity was often increased. These in vitro results suggest that effectiveness of fluconazole therapy would not be compromised in iron overload situations in vivo.

Antifungal Agents↗
PubMed1999

Comparative efficacy of fluconazole and amphotericin B in the parenteral treatment of experimental paracoccidioidomycosis in the rat.

Patients with severe and complicated paracoccidioidomycosis are treated with amphotericin B by the intravenous route. Fluconazole is active in vitro against Paracoccidioides brasiliensis and can also be administered intravenously, but few clinical or experimental data are available about its action against the infection caused by this fungus. In the present study, the efficacy of fluconazole and amphotericin B was assessed comparatively in rats inoculated parenterally with P. brasiliensis. The treatment was performed 3 times a week for 4 weeks starting one week after infection. Fluconazole administered intraperitoneally (14 mg/kg body weight/dose) was more effective (P < 0.001) than amphotericin B (2 mg/kg body weight/dose) in reducing the number of colony forming units in the lungs and spleen. When administered intravenously at the dose of 3 mg/kg body weight, fluconazole was as effective as amphotericin B (0.8 mg/kg body weight) in reducing the pulmonary fungal burden. Under these conditions, the rats treated with fluconazole had a smaller number of colony forming units than untreated animals (P < 0.001), but amphotericin B was more effective than fluconazole in reducing spleen infection (P < 0.005). Except for this result obtained with a low dose, fluconazole showed an antifungal action equal to or higher than that of amphotericin B. The activity of fluconazole at doses equivalent to those used for human treatment suggests that this antifungal agent may be an alternative to amphotericin B for the early intravenous treatment of patients with paracoccidioidomycosis.

Amphotericin B↗
PubMed1991

Effect of fluconazole on the disposition of phenytoin.

In a randomized, placebo-controlled, parallel study, phenytoin was given in the presence and absence of fluconazole. Twenty healthy male subjects received phenytoin, 200 mg orally, on study days 1 to 3 and 18 to 20 and 250 mg intravenously on study days 4 and 21. Ten subjects received fluconazole, 200 mg orally, and 10 received placebo daily on study days 8 to 21. Serial blood samples were collected during a 24-hour period after the intravenous phenytoin dose. Fluconazole trough concentrations were determined on days 14, 18, and 21. Serum phenytoin area under the concentration-time curve from 0 to 24 hours increased 75% and minimum plasma drug concentration increased 128% after administration of fluconazole, 200 mg/day, for 14 days. These values were significantly greater than the 5% increase in area under the concentration-time curve from 0 to 24 hours and 11.6% increase in minimum plasma drug concentration in the placebo group. Fluconazole trough concentrations remained unchanged during the coadministration of phenytoin. The increased phenytoin concentrations in the presence of fluconazole suggest that fluconazole inhibits phenytoin metabolism. Serum concentration monitoring with a reduction in phenytoin dosage is clinically warranted in patients receiving phenytoin and concomitant fluconazole therapy.

Administration, Oral↗
PubMed1996

Fluconazole versus itraconazole for candida esophagitis in acquired immunodeficiency syndrome. Candida Esophagitis.

BACKGROUNDS & AIMS: Contrasting opinions exist about the pharmacological treatment of esophageal candidiasis in patients with acquired immunodeficiency syndrome (AIDS). The aim of this study was to assess the long-term efficacy of fluconazole and itraconazole treatment. METHODS: This study evaluated 2213 human immunodeficiency virus-positive patients at first episode of esophageal candidiasis diagnosed by endoscopy; 1105 received fluconazole and 1108 received itraconazole. The endoscopic and clinical response to treatment was assessed periodically until the end of the follow-up period (1 year). RESULTS: At week 2, endoscopic cure occurred in 81.2% of patients treated with fluconazole and in 65.6% of patients treated with itraconazole (P < 0.001). Clinical cure was observed in 81.5% of patients treated with fluconazole and in 75.2% of patients treated with itraconazole (P < 0.001). At the end of the follow-up period, endoscopic and clinical cure were observed in 96% of patients treated with fluconazole and in 95.6% of patients treated with itraconazole (P = 0.788), with similar differences by intention-to-treat analysis (93.6% vs. 93.3%; P = 0.853). Treatment failure was observed in 22.3% of fluconazole-treated patients and in 26.6% of itraconazole-treated patients (P = 0.022). CONCLUSIONS: Fluconazole and itraconazole are provided with good long-term therapeutic efficacy in the treatment of Candida esophagitis in patients with AIDS. Fluconazole is associated with a higher rate of cure than itraconazole in short-term treatment.

AIDS-Related Opportunistic Infections↗
PubMed1994

A randomized trial comparing fluconazole with amphotericin B for the treatment of candidemia in patients without neutropenia. Candidemia Study Group and the National Institute.

BACKGROUND: Amphotericin B has long been the standard treatment for candidemia, but its use is complicated by its toxicity. More recently, fluconazole, a water-soluble triazole with activity against candida species and little toxicity, has become available. We conducted a multicenter randomized trial that compared amphotericin B with fluconazole as treatment for candidemia. METHODS: To be eligible, patients had to have a positive blood culture for candida species, a neutrophil count > or = 500 per cubic millimeter, and no major immunodeficiency. Patients were randomly assigned to receive either amphotericin B (0.5 to 0.6 mg per kilogram of body weight per day) or fluconazole (400 mg per day), each continued for at least 14 days after the last positive blood culture. Outcomes were assessed by a group of investigators blinded to treatment assignment. RESULTS: Of the 237 patients enrolled, 206 met all entry criteria. The most common diagnoses were renal failure, nonhematologic cancer, and gastrointestinal disease. There was no statistically significant difference in outcome: of the 103 patients treated with amphotericin B, 81 (79 percent) were judged to have been treated successfully, as were 72 of the 103 patients treated with fluconazole (70 percent P = 0.22; 95 percent confidence interval for the difference, -5 to 23 percent). The bloodstream infection failed to clear in 12 patients in the amphotericin group and 15 in the fluconazole group; the species most commonly associated with failure was Candida albicans. There were 41 deaths in the amphotericin group and 34 deaths in the fluconazole group (P = 0.20). Intravascular catheters appeared to be the most frequent source of candidemia. There was less toxicity with fluconazole than with amphotericin B. CONCLUSIONS: In patients without neutropenia and without major immunodeficiency, fluconazole and amphotericin B are not significantly different in their effectiveness in treating candidemia.

Amphotericin B↗
PubMed1995

A randomized trial comparing fluconazole with clotrimazole troches for the prevention of fungal infections in patients with advanced human immunodeficiency virus infection. NIAID AIDS Clinical Trials Group.

BACKGROUND: Cryptococcal meningitis and other serious fungal infections are common complications in patients infected with the human immunodeficiency virus (HIV). Fluconazole is effective for long-term suppression of many fungal infections, but its effectiveness as primary prophylaxis had not been adequately evaluated. METHODS: We conducted a prospective, randomized trial that compared fluconazole (200 mg per day) with clotrimazole troches (10 mg taken five times daily) in patients who were also participating in a randomized trial of primary prophylaxis for Pneumocystis carinii pneumonia. RESULTS: After a median follow-up of 35 months, invasive fungal infections had developed in 4.1 percent of the patients in the fluconazole group (9 of 217) and in 10.9 percent of those in the clotrimazole group (23 of 211; relative hazard, as adjusted for the CD4+ count, 3.3; 95 percent confidence interval, 1.5 to 7.6). Of the 32 invasive fungal infections, 17 were cryptococcosis (2 in the fluconazole group and 15 in the clotrimazole group; adjusted relative hazard, 8.5; 95 percent confidence interval, 1.9 to 37.6). The benefit of fluconazole was greater for the patients with 50 or fewer CD4+ cells per cubic millimeter than for the patients with higher counts. Fluconazole was also effective in preventing esophageal candidiasis (adjusted relative hazard, 5.8; 95 percent confidence interval, 1.7 to 20.0; P = 0.004) and confirmed and presumed oropharyngeal candidiasis (5.7 and 38.1 cases per 100 years of follow-up in the fluconazole and clotrimazole groups, respectively; P < 0.001). Survival was similar in the two groups. CONCLUSIONS: Fluconazole taken prophylactically reduces the frequency of cryptococcosis, esophageal candidiasis, and superficial fungal infections in HIV-infected patients, especially those with 50 or fewer CD4+ lymphocytes per cubic millimeter, but the drug does not reduce overall mortality.

AIDS-Related Opportunistic Infections↗
PubMed2001

Fluconazole prophylaxis against fungal colonization and infection in preterm infants.

BACKGROUND: Invasive fungal infection is associated with substantial morbidity and mortality in preterm infants. We evaluated the efficacy of prophylactic fluconazole in preventing fungal colonization and invasive infection in extremely-low-birth-weight infants. METHODS: We conducted a prospective, randomized, double-blind clinical trial over a 30-month period in 100 preterm infants with birth weights of less than 1000 g. The infants were randomly assigned during the first five days of life to receive either intravenous fluconazole or placebo for six weeks. We obtained weekly surveillance cultures from all patients. RESULTS: The 50 infants randomly assigned to fluconazole and the 50 control infants were similar in terms of birth weight, gestational age at birth, and base-line risk factors for fungal infection. During the six-week treatment period, fungal colonization was documented in 30 infants in the placebo group (60 percent) and 11 infants in the fluconazole group (22 percent; difference in risk, 0.38; 95 percent confidence interval, 0.18 to 0.56; P=0.002). Invasive fungal infection with positive growth of fungal isolates from the blood, urine, or cerebrospinal fluid developed in 10 infants in the placebo group (20 percent) and none of the infants in the fluconazole group (difference in risk, 0.20; 95 percent confidence interval, 0.04 to 0.36; P=0.008). The sensitivities of the fungal isolates to fluconazole did not change during the study, and no adverse effects of the fluconazole therapy were documented. CONCLUSIONS: Prophylactic administration of fluconazole during the first six weeks of life is effective in preventing fungal colonization and invasive fungal infection in infants with birth weights of less than 1000 g.

Antifungal Agents↗
PubMed2002

Fluconazole for the treatment of cutaneous leishmaniasis caused by Leishmania major.

BACKGROUND: Whereas certain oral antifungal azoles are well documented to have activity against leishmania, data on the efficacy of fluconazole for leishmaniasis are limited. We conducted a controlled trial in Saudi Arabia of fluconazole for the treatment of cutaneous leishmaniasis caused by Leishmania major. METHODS: This randomized, double-blind, placebo-controlled trial assessed the efficacy of oral fluconazole, in a dose of 200 mg daily for six weeks, in the treatment of parasitologically confirmed cutaneous leishmaniasis. The primary outcome measure was the time to the complete healing of all lesions. RESULTS: A total of 106 patients were assigned to receive fluconazole, and 103 patients were assigned to receive placebo. Follow-up data were available for 80 and 65 patients, respectively. At the three-month follow-up, healing of lesions was complete for 63 of the 80 patients in the fluconazole group (79 percent) and 22 of the 65 patients in the placebo group (34 percent; relative risk of complete healing, 2.33 [95 percent confidence interval, 1.63 to 3.33]). According to an intention-to-treat analysis, the rates of healing were 59 percent and 22 percent, respectively (relative risk, 2.76 [95 percent confidence interval, 1.84 to 4.12]). Sodium stibogluconate was offered to 11 patients in the fluconazole group who returned for follow-up (14 percent) and 33 of those in the placebo group (51 percent) in whom oral treatment was judged to have failed. According to a Kaplan-Meier analysis, the time to healing was shorter for the fluconazole group (median, 8.5 weeks, as compared with 11.2 weeks in the placebo group; P<0.001 by the log-rank test). Side effects were mild and similar in both groups. CONCLUSIONS: A six-week course of oral fluconazole is a safe and useful treatment for cutaneous leishmaniasis caused by L. major.

Adult↗
PubMed2004

Maintenance fluconazole therapy for recurrent vulvovaginal candidiasis.

BACKGROUND: No safe and convenient regimen has proved to be effective for the management of recurrent vulvovaginal candidiasis. METHODS: After inducing clinical remission with open-label fluconazole given in three 150-mg doses at 72-hour intervals, we randomly assigned 387 women with recurrent vulvovaginal candidiasis to receive treatment with fluconazole (150 mg) or placebo weekly for six months, followed by six months of observation without therapy. The primary outcome measure was the proportion of women in clinical remission at the end of the first six-month period. Secondary efficacy measures were the clinical outcome at 12 months, vaginal mycologic status, and time to recurrence on the basis of Kaplan-Meier analysis. RESULTS: Weekly treatment with fluconazole was effective in preventing symptomatic vulvovaginal candidiasis. The proportions of women who remained disease-free at 6, 9, and 12 months in the fluconazole group were 90.8 percent, 73.2 percent, and 42.9 percent, as compared with 35.9 percent, 27.8 percent, and 21.9 percent, respectively, in the placebo group (P< 0.001). The median time to clinical recurrence in the fluconazole group was 10.2 months, as compared with 4.0 months in the placebo group (P<0.001). There was no evidence of fluconazole resistance in isolates of Candida albicans or of superinfection with C. glabrata. Fluconazole was discontinued in one patient because of headache. CONCLUSIONS: Long-term weekly treatment with fluconazole can reduce the rate of recurrence of symptomatic vulvovaginal candidiasis. However, a long-term cure remains difficult to achieve.

Administration, Oral↗