A Study of Efficacy, Safety, Tolerability of LXE408 in Participants With Chronic Chagas Disease.

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-60
SponsorNovartis Pharmaceuticals

About this trial

This study is to investigate the ability of LXE408 to clear or reduce the level of parasites in the blood of people with chronic Chagas disease. Participants must have chronic Chagas disease without severe organ dysfunction.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Male or female participants aged ≥ 18 years to ≤ 60 years old

Confirmed diagnosis of T. cruzi infection

History that participant has been determined to be in chronic phase of CD

Written informed consent must be obtained before any assessment is performed, and participants should express understanding of the consent form and the study

Disqualifiers

Signs (on physical examination) and/or symptoms of CD in the acute phase as determined by the investigator at screening

History of CD treatment with benznidazole or nifurtimox at any time in the past

History of and/or current (at screening) symptoms or signs (physical examination findings) of moderate or severe CD-related gastrointestinal disease

Participants who weigh < 50 kg or >90kg at screening

Trial design

Design model

Parallel

Treatments tested in this trial

  • LXE408

    Drug

    LXE408 administered by oral route

  • Placebo

    Drug

    Placebo administered by oral route

  • Benznidazole

    Drug

    Benznidazole administered by oral route (administered as standard of care)

Treatment groups

130 Participants
are divided into 4 treatment groups
Group A: LXE408 28 daysExperimental treatment 0 interventions
Group B: LXE408 14 days and Placebo 14 daysExperimental treatment 2 interventions
Group C: Placebo 28 daysPlacebo comparator 1 intervention
Group D: Benznidazole 60 daysActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Presence or absence of sustained parasitological clearance using polymerase chain reaction (PCR) results over 6 months - LXE408 28 days versus placebo.

The parasitological load will be measured using polymerase chain reaction (PCR) at 2 months, 4 months, and at 6 months. At each timepoint, multiple samples are evaluated. The participant will be considered negative at a visit if the parasite is not detectable in all samples at a visit and positive if the parasite level is detectable in at least one sample. Sustained parasitological clearance is achieved if participant is negative at all 3 visits.

Time frame
At Months 2, 4, and 6

Secondary outcomes

1

Presence or absence of sustained parasitological clearance using polymerase chain reaction (PCR) results over 6 months - LXE408 -14 days versus placebo

The parasitological load will be measured using polymerase chain reaction (PCR) at 2 months, 4 months, and at 6 months. At each timepoint, multiple samples are evaluated. The participant will be considered negative at a visit if the parasite is not detectable in all samples at a visit and positive if the parasite level is detectable in at least one sample. Sustained parasitological clearance is achieved if participant is negative at all 3 visits.

Time frame
At Months 2, 4, and 6
2

Presence or absence of sustained parasitological clearance using polymerase chain reaction (PCR) results over 6 months-LXE408 - 28 days and 14 days versus benznidazone

The parasitological load will be measured using polymerase chain reaction (PCR) at 2 months, 4 months, and at 6 months. At each timepoint, multiple samples are evaluated. The participant will be considered negative at a visit if the parasite is not detectable in all samples at a visit and positive if the parasite level is detectable in at least one sample. Sustained parasitological clearance is achieved if participant is negative at all 3 visits.

Time frame
At Months 2, 4, and 6
3

Presence or absence of early parasitological clearance

The parasitological load will be measured using polymerase chain reaction (PCR). The participant will be considered negative at a visit if the parasite is not detectable in all samples at a visit and positive if the parasite level is detectable in at least one sample.

Time frame
At Day 7, 14 and 28
4

Presence or absence of sustained parasitological clearance over 12 months by PCR testing

The parasitological load will be measured using polymerase chain reaction (PCR). The participant will be considered negative at a visit if the parasite is not detectable in all samples at a visit and positive if the parasite level is detectable in at least one sample. Sustained parasitological clearance is achieved if participant is negative at all subsequent visits.

Time frame
12 Months

Other outcomes

Sponsors and contacts

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