Treatment of Mucosal Bolivian Leishmaniasis

March 4, 2024 updated by: Fundacion Nacional de Dermatologia

Treatment of Bolivian Mucosal Leishmaniasis With Miltefosine, Pentavalent Antimony or Liposomal Amphotericin B

The purpose of this protocol is to conduct a randomized comparison of the efficacy and tolerance of miltefosine, LAMB, and pentavalent antimony for the treatment of mucosal leishmaniasis. With such controlled pharmacodynamic data, and additional considerations of administrative convenience (oral >>IV) and cost, we hope that it will be possible for policy makers, treatment professionals, and patients to choose the most appropriate therapy for ML.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
120

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

  • Bolivia
    • SC
      • Santa Cruz de la Sierra, SC, Bolivia, 00000

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

8 years to 61 years (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • weight over 45 kg
  • Parasitological confirmation of the lesion will be made by visualization of Leishmania, culture of Leishmania, or molecular identification of Leishmania (PCR) from the biopsy or aspirate of the lesion.

Exclusion Criteria:

  • Previous treatment for leishmaniasis in the last 12 months
  • concomitant diseases by history that would be likely in the PI's opinion to interact, either positively or negatively, with treatment
  • values of complete blood count, liver function (aspartate aminotransferase, alkaline phosphatase), renal function (creatinine), pancreatic function (lipase), or uric acid beyond 1.5 x normal range
  • EKG with clinically significant abnormalities
  • Women of childbearing age not agreeing with the use of secure reproductive contraception for 4 months after initiating miltefosine therapy.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: Group 1: Oral Miltefosine
Miltefosine will be administered per os at 150 mg/day [50 mg tid] for 28 days. This is the standard regimen of miltefosine for persons >45 kg.
Drug: Group 1: Miltefosine
Miltefosine 50 mg pill will be administered po every 8 hours with food, during 28 days
Active Comparator: Group 2: Intravenous pentavalent antimony
IV pentavalent antimony (meglumine antimoniate) will be administrated at 20 mg x kg x d during 20 consecutive days. Antimony will be diluted in 10 times its volume in 5%Dextrose in destilled water and injected IV in 20 minutes
Drug: Group 2: Pentavalent Antimony
will be administered by IV infusion diluted in 150 ml of DWD5% over 20 minutes
Experimental: Group 3: Intravenous liposomal amphotericin B
LAMB will be administered IV at 3 ampules [150 mg] on each of days 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, and 27. Three ampules is the individual dose suggested by Aronson et al [2016] and equals 2.5 mg/kg/dose for a 60 kg person. 15 doses of 3 ampules (total of 2250 mg) equals 37.5 mg/kg for a 60 kg person.
Drug: Group 3: Liposomal amphotericin B
3 amps (150 mg) will be administered by IV infusion iver 2 hours every other day for a total of 15 doses.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Healing of mucosal lesions
Time Frame: Baseline to 12 month follow up

The primary purpose is to perform a controlled evaluation of the cure rate of miltefosine, LAMB, and Sb for L braziliensis ML in Bolivia. Using a standarized scale we'll qualify from 0 (absent) to 3 (severe) the following items: erythema, edema/swelling, infiltration, erosion/ulceration, in five different places: nasal and perinasal skin, nasal mucosa, palate and oral mucosa, pharynx and larynx. Additionally, changes in voice quality will be registered. 63 will be the maximun score and means severe and massive compromise.

clinical cure: >90% loss of presenting severity score clinical improvement: 50%-90% loss of presenting severity score no clinical change: 25% worsening to 49% improvement in presenting severity score clinically worse: >25% worsening of presenting score or relapse after initial improvement
Baseline to 12 month follow up

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Clinical and laboratory safety of these 3 drugs
Time Frame: Base line to 1 month after the end of therapy

The secondary purpose is to determine the tolerance of these regimens. Descriptive statistics will be used to present adverse event data. Continuous variables will be presented as number of observations (n), mean, standard deviation (SD), median, minimum and maximum values. Categorical variables will be presented as counts and percentages.

Adverse effects will be compared between groups by appropriate statistics. During treatment administration clinical symptoms (nausea/vomit/abdominal pain; myalgias/arthralgias; headache/dizziness) and laboratory (AST, alkaline phosphatase, lipase, creatinine, CBC) and EKG (in patients receiving antomony) will be evaluated.
Base line to 1 month after the end of therapy

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Fundacion Nacional de Dermatologia

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Hospital Dermatologico de Jorochito
Centro Nacional de Enfermedades Tropicales CENETROP
ABF Foundation for Medical Research

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2021

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
April 30, 2024

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
November 30, 2024

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
March 9, 2021

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 11, 2021

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
March 16, 2021

Study Record Updates

Last Update Posted (Estimated)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
March 5, 2024

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 4, 2024

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
March 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • ABF-BO-2021-100

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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