An Open Lable Randomised Study to Assess the Safety and Efficacy of Short Course Paromomycin in Visceral Leishmaniasis

Overview

It is a randomized, double-blind, multi-center, two-arm study intended to assess the safety and efficacy of three different doses/dose regimens of paromomycin administered intramuscularly as follows: 11 mg/kg/day for 14 days and 11 mg/kg/day for 21 days for the treatment of visceral leishmaniasis (VL) in India.

Full Title of Study: “An Open Lable Randomised Two -Arm Study to Assess the Safety and Efficacy of Paromomycin Administered Intramuscularly at Two Different Dosing Regimens (14 Days Versus 21 Days) for the Treatment of Indian Visceral Leishmaniasis (VL)”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: February 2008

Detailed Description

Paromomycin administered at a dose of 11 mg/kg/day IM for 21 days was previously demonstrated by iOWH and WHO to be as effective as amphotericin B administered IV at a dose of 1 mg/kg/every other day for a total for a total of 15 doses over 30 days in the treatment of VL in Bihar, India (protocol VLPM01) in a recently completed study (94.6% vs. 98.8% of subjects were disease free at 6 months, respectively). This new study is being conducted to determine whether similar or better efficacy and safety of IM paromomycin can be achieved with a shorter duration of treatment (14 days rather than 21 days) administered for a shorter duration (14 days rather than 21 days) than the regimen studied in the previous trial. This shorter duration study will compare the initial and final cure (response to treatment) rates in subjects with VL receiving paromomycin at the following doses and dose regimens: – Group A: paromomycin 11 mg/kg/day IM for 14 days – Group B: paromomycin 11 mg/kg/day IM for 21 days Because compliance generally improves with shorter duration of therapy, and better treatment compliance decreases the probability of the emergence of drug-resistant disease, administration of higher daily doses of paromomycin for a shorter time may improve efficacy without producing unacceptable toxicity. In addition, a treatment regimen of shorter duration would cost less and be easier to administer. The current study is designed to explore different doses and dose regimens of IM paromomycin to determine the dose and dose regimen that should be recommended for first-line therapy for treatment of VL, while maintaining the efficacy and safety.

Interventions

  • Drug: Paromomycin
    • 11 mg/kg for 14 days
  • Drug: Paromomycin
    • Paromomycin for 21 days @ 11mg/kg by intramuscular injections

Arms, Groups and Cohorts

  • Active Comparator: 2
    • Paromomycin for 21 days @ 11mg/kg
  • Experimental: 1
    • Paromomycin for 14 days @ 11mg/kg

Clinical Trial Outcome Measures

Primary Measures

  • Final Cure
    • Time Frame: 6 months after the end of treatment

Secondary Measures

  • Initial cure
    • Time Frame: End of treatment

Participating in This Clinical Trial

Inclusion Criteria

  • Children and adults, male or female, aged 5 to 55 years, inclusive, who have provided written informed consent. – New or relapsed VL or prior VL treatment failure on a regimen not containing Paromomycin or AmBisome┬«. The diagnosis of VL must be confirmed by a parasite-positive splenic aspirate. Exclusion Criteria:

  • LFT greater than 3 times ULN ( AST, ALT, S.Bilirubin, Alkaline Phosphatase, Hb < 4 gm/dl. – Platelet <40,000/ mm3 – Prothrombin Time > 3 Sec. longer than Control. – Creatinine > 3 times – Normal Value For Male ( 0.6 to 1.1) – Normal Value For Female ( 0.5 to 0.9) – Absolute Leucocyte count- < 1,000 – HIV infection – Abnormal audiometric and/or vestibular dysfunction – History of renal dysfunction – Other severe medical conditions – History of allergy or hypersensitivity to aminoglycosides – Treatment with a parenteral aminoglycoside within 28 days prior to randomisation – Previous VL treatment within the past 14 days – Previous treatment for VL with paromomycin at any time – Pregnancy, lactation, or lack of use of contraception in women of childbearing potential

Gender Eligibility: All

Minimum Age: 5 Years

Maximum Age: 55 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Banaras Hindu University
  • Provider of Information About this Clinical Study
    • Shyam Sundar, Banaras Hindu University
  • Overall Official(s)
    • Shyam Sundar, MD, Study Director, Banaras Hindu University

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