This is an open label, Phase III, randomized, controlled, parallel arm multicentre non-inferiority clinical trial to compare the efficacy and safety of two combination regimens of Miltefosine and Paromomycin with the standard SSG-PM for the treatment of primary adult and children VL patients in Eastern Africa.
The 2 treatment regimens to be tested are: * Arm 1: Paromomycin 20 mg/kg/d IM for 14 days combined with oral miltefosine allometric dosing for 14 days * Arm 2: Paromomycin 20 mg/kg/d IM for 14 days combined with oral miltefosine allometric dosing for 28 days (recruitment in this arm was discontinued under protocol v4.0 dated 22 Jul 2019) The reference arm is the current standard treatment for VL: • Arm 3: Sodium Stibogluconate 20 mg/kg/day IM/IV combined with Paromomycin 15 mg/kg/day IM for 17 days The target population will be VL patients from 4 to 50 years old in order to cover both paediatric and adult population. Patients will be hospitalized for 14 days of PM and MF treatment for both arm 1 and arm 2. MF treatment will start at the same time as PM treatment and for arm 2 it will continue on an out-patient basis until completion of the 28 days treatment. SSG\&PM combination therapy will be administered for 17 days according to routine VL treatment guidelines and patients will remain hospitalized for the entire duration of the treatment. All patients will be asked to return to the hospital for a full assessment on day 28, and for followup visits on day 56 and at six months. To respond to the objectives, study assessments will be carried out at screening and on days 1, 3, 7, 14, 21, 28, 56 (one-month post-treatment) and 210 (six-month post-treatment). These assessments will include clinical, parasitological, haematological, biochemistry, safety, pharmacokinetic and pharmacodynamics assessments.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
439
Miltefosine 10mg and 50mg capsules
Paromomycin sulfate equiv to 750mg paromomycin / 2ml amp
Sodium stibogluconate 33% 30 ml inj.
Abdurafi MSF Health Center
Ābderafī, Amhara, Ethiopia
University Hospital of Gondar
Gonder, Ethiopia
Kacheliba Hospital
Kapenguria, West Pokot County, Kenya
El Hassan Centre for Tropical Medicine
Doka, Al Qaḑārif, Sudan
Definitive Cure
Cure at 6 months follow up defined as absence of clinical signs and symptoms of VL at D210 and no requirement for rescue treatment during the trial (e.g. no relapse or initial treatment failure).
Time frame: 6 months follow-up (Day 210)
Incidence of Treatment-Emergent Adverse Events
1. Frequency of SAEs and AEs requiring treatment discontinuation 2. Frequency and severity of adverse events from the start of treatment through the last visit, at day 210.
Time frame: From Screening to day 210
Initial cure at day 28
Initial cure: cure at the end of treatment (Day 28), defined as recovery of clinical signs and symptoms; absence of parasites (microscopy) and no rescue treatment administered up to and including Day 28. Probable cure: absence of clinical signs and symptoms of VL at D56 and no prior requirement for rescue medication.
Time frame: Initial cure: day 28; Probable cure: day 56
Pharmacokinetics of paromomycin and miltefosine
Total and partial blood plasma exposure to paromomycin and miltefosine defined as the area under the concentration-time curve
Time frame: During treatment, at 1 month (day 56) and 6 months (day 210) follow-up
Pharmacodynamics
Blood parasite clearance over time (qualitative and quantitative), as measured by qPCR from blood samples
Time frame: From baseline until day 210, and at any suspicion of relapse during the trial.
Compliance to miltefosine treatment in an outpatient setting
Compliance to MF treatment in an outpatient setting will be assessed through patients' hospital records history, drug accountability and PK measurements.
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Tabarak Allah MSF Hospital
Gedaref, Al Qaḑārif, Sudan
Um El Kher Hospital
Gedaref, Sudan
Amudat Hospital
Amudat, Karamoja, Uganda
Time frame: Day 15 to day 28 miltefosine treatment