Treatment With Tamoxifen in Cryptococcal Meningitis

Status Completed

Clinical Trial Summary

The purpose of this study is to develop initial efficacy, feasibility, and safety data regarding the use of Tamoxifen in combination with amphotericin B and fluconazole in the treatment of cryptococcal meningitis. The results of the study will inform the design and feasibility of a larger study powered to a survival endpoint. The study hypothesis is that adding tamoxifen to standard antifungal therapy increases the rate of clearance of yeast from cerebrospinal fluid. Increased rates of clearance of yeast from cerebrospinal fluid have previously been associated with improved clinical outcomes, including survival and disability.

Clinical Trial Description

A randomized, open-label trial with 2 parallel arms: standard antifungal therapy versus tamoxifen augmented antifungal therapy during the first 2 weeks (induction phase) of treatment. The study will recruit in two sites in Ho Chi Minh City: the Hospital for Tropical Diseases (HTD), and Cho Ray Hospital (CRH). 25 patients will be enrolled into the two study arms (intervention versus control). All anti-fungal administration will be directly observed by ward staff.

Intervention arm: Induction phase treatment (days 1-14): Tamoxifen will be given orally in a dose of 300mg/day for the first 14 days following randomization. It will be administered by nasogastric tube where patients are unconscious. In addition patients will receive amphotericin 1mg/kg once daily iv and fluconazole 800mg once daily orally. The tamoxifen will be administered in the morning combined with amphotericin and fluconazole dose.

Control arm: Induction phase treatment (days 1-14): Patients will receive amphotericin 1mg/kg/day combined with fluconazole 800mg once daily for the first 2 weeks. Amphotericin and fluconazole will be administered simultaneously.

The primary efficacy endpoint will be the rate of clearance of yeast cells from cerebrospinal fluid (CSF) over the first 2 weeks following randomisation. Patients will be followed for 10 weeks, which is conventional in clinical trials in cryptococcal meningitis. After the first 2 weeks of study treatment, all patients will receive fluconazole 800mg/day for 8 further weeks, until the study end. At this point, HIV infected patients will be switched to long term secondary prophylaxis with fluconazole 200mg/day as per standard practice. For HIV uninfected patients, the decision to continue antifungal treatment, and at which dose, will be made on a case by case basis by the attending physician in consultation with the patient. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03112031
Study type	Interventional
Source	Oxford University Clinical Research Unit, Vietnam
Contact
Status	Completed
Phase	Phase 2
Start date	October 10, 2017
Completion date	July 17, 2018

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.