Pharmacokinetics, Safety, and Efficacy Trial of WR 279,396 (Paromomycin + Gentamicin Topical Cream) and Paromomycin Topical Cream for the Treatment of Cutaneous Leishmaniasis in Panama
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ClinicalTrials.gov Identifier: NCT01083576 |
Recruitment Status :
Completed
First Posted : March 9, 2010
Results First Posted : May 15, 2014
Last Update Posted : July 16, 2015
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Condition or disease | Intervention/treatment | Phase |
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Leishmaniasis, Cutaneous | Drug: WR 279,396 (15% paromomycin + 0.5% gentamicin topical cream) Drug: Paromomycin Alone Cream (15% paromomycin topical cream) | Phase 2 |

Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 30 participants |
Allocation: | Non-Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Care Provider, Investigator) |
Primary Purpose: | Treatment |
Official Title: | Double-blind, Randomized, Pharmacokinetics, Safety, and Efficacy Trial of WR 279,396 (Paromomycin + Gentamicin Topical Cream) and Paromomycin Topical Cream for the Treatment of Cutaneous Leishmaniasis in Panama |
Study Start Date : | March 2010 |
Actual Primary Completion Date : | June 2011 |
Actual Study Completion Date : | July 2011 |

Arm | Intervention/treatment |
---|---|
Active Comparator: Paromomycin Alone Treatment
Paromomycin Alone Cream (15% paromomycin topical cream): topical application to uncomplicated cutaneous leishmaniasis (CL) lesions once daily for 20 days
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Drug: Paromomycin Alone Cream (15% paromomycin topical cream)
topical application to CL lesions once daily for 20 days |
Active Comparator: WR 279,396
WR 279,396 (15% paromomycin + 0.5% gentamicin topical cream): topical application to uncomplicated CL lesions once daily for 20 days
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Drug: WR 279,396 (15% paromomycin + 0.5% gentamicin topical cream)
topical application to CL lesions once daily for 20 days
Other Name: Topical paromomycin/gentimicin cream |
- Number of Participants Who Obtained Final Clinical Cure of Index Lesion [ Time Frame: 168 days ]Number of participants who had initial clinical cure (100% re-epithelialization of index lesion by Day 63) OR initial clinical improvements (> 50% re-epithelialization of index lesion followed by Day 63 by 100% re-epithelialization of the index lesion on or before Day 100), AND no relapse of index lesion.
- Number of Participants Who Obtained a Modified Final Clinical Cure of All Lesions [ Time Frame: 168 days ]Final cure as defined by the primary outcome measure AND and cure of all other lesions by Day 168. (100% re-epithelialization of all ulcerated lesions and resolution of all other type of lesions)
- Detectable Paromomycin or Gentamicin Plasma Levels [ Time Frame: 20 days ]Proportion of subjects with any detectable Paromomycin or Gentamicin plasma levels on a study day when blood for PK was collected
- Paromomycin Plasma Concentrations in Adults [ Time Frame: Day 4 to Day 28 ]Paromomycin plasma concentrations following administration of paromomycin alone or WR 279,396 in adults
- Paromomycin Plasma Concentrations in Children [ Time Frame: Days 1 and 20 ]Paromomycin plasma concentrations 4 hours following administration of paromomycin alone or WR 279,396 in children
- Pharmacokinetic Parameter: Cmax [ Time Frame: 0, 0.5, 1.0, 2.0, 3.0, 4.0, 8.0, 12.0, 24.0 hours on both Days 1 and 20 ]Cmax of paromomycin following administration of paromomycin alone or WR 279,396 to adults in Panama
- Pharmacokinetic Parameter: Tmax [ Time Frame: 0, 0.5, 1.0, 2.0, 3.0, 4.0, 8.0, 12.0, 24.0 hours on both Days 1 and 20 ]Tmax of paromomycin following administration of paromomycin alone or WR 279,396 to adults in Panama
- Pharmacokinetic Parameter: Area Under the Curve (AUC) [ Time Frame: 0, 0.5, 1.0, 2.0, 3.0, 4.0, 8.0, 12.0, 24.0 hours on both Days 1 and 20 ]Area under the curve (AUC) of paromomycin following administration of paromomycin alone or WR 279,396 to adults in Panama
- Pharmacokinetic Parameter: t(1/2) [ Time Frame: 0, 0.5, 1.0, 2.0, 3.0, 4.0, 8.0, 12.0, 24.0 hours on both Days 1 and 20 ]t(1/2) of paromomycin following administration of paromomycin alone or WR 279,396 to adults in Panama
- Pharmacokinetic Parameter: Cmax/D [ Time Frame: 0, 0.5, 1.0, 2.0, 3.0, 4.0, 8.0, 12.0, 24.0 hours on both Days 1 and 20 ]Maximum observed plasma concentration divide by topical dose (Cmax/D) of paromomycin following administration of paromomycin alone or WR 279,396 to adults in Panama
- Pharmacokinetic Parameter: AUC/D [ Time Frame: Days 1 and 20 ]Area under the plasma concentration-time curve over 24 hrs divided by topical dose (AUC/D) of paromomycin following administration of paromomycin alone or WR 279,396 to adults in Panama
- Serum Creatinine Levels [ Time Frame: Day 1 and Day 20 ]Blood creatinine was measured to assess possible nephrotoxicity associated with aminoglycosides

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Ages Eligible for Study: | 5 Years and older (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
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To be eligible for the study, the following must be answered "YES" or not applicable, as appropriate for the study subject:
- Is the subject a male or female at least 5 years-of-age?
- Is the subject or legal guardian able to give written informed consent or assent, as appropriate?
- Does the subject have a diagnosis of CL in at least one lesion by at least one of the following methods: 1) positive culture for promastigotes, or 2) microscopic identification of amastigotes in stained lesion tissue.
- Does the subject have at least one ulcerative lesion ≥ 1 cm and ≤ 5 cm, that meets the criteria for an index lesion?
- Is the subject willing to forego other forms of treatments for CL including other investigational treatments during the study?
- In the opinion of the investigator, is the subject (or their legal guardian) capable of understanding and complying with the protocol?
- If female and of child-bearing potential, did the subject have a negative pregnancy test during screening and agree to use an acceptable method of birth control during the treatment phase and for 1 month after treatment is completed?
- Does the subject have adequate venous access for blood draws?
Exclusion Criteria:
To be eligible for the study, the following must be answered "NO" or not applicable as appropriate for the study subject:
- Does the subject have only a single lesion whose characteristics include any of the following: verrucous or nodular lesion (non-ulcerative), lesion <1 cm in its greatest diameter, lesion in a location that in the opinion of the Investigator is difficult to maintain application of study drugs topically?
- Does the subject have a lesion due to leishmania that involves the mucosa or palate or any signs of mucosal disease that might be due to leishmania?
- Does the subject have signs and symptoms of disseminated disease in the opinion of the Principal Investigator?
- Does the subject have > 10 lesions?
- Is the subject a female who is breast-feeding?
- Does the subject have an active malignancy or history of solid, metastatic or hematologic malignancy with the exception of basal or squamous cell carcinoma of the skin that has been removed?
- Does the subject have significant organ abnormality, chronic disease such as diabetes, severe hearing loss, evidence of renal or hepatic dysfunction, or creatinine, aspartate aminotransferase (AST), or alanine aminotransferase (ALT) greater than 15% above the upper limit of normal (ULN) as defined by the clinical laboratory defined normal ranges?
- Has the subject received treatment for leishmaniasis including any medication with pentavalent antimony including sodium stibogluconate (Pentostam), meglumine antimoniate (Glucantime); amphotericin B (including liposomal amphotericin B and amphotericin B deoxycholate); or other medications containing paromomycin (administered parenterally or topically) or methylbenzethonium chloride (MBCL); gentamicin; fluconazole; ketoconazole; pentamidine; miltefosine, azithromycin or allopurinol that was completed within 8 weeks of starting study treatments?
- Does the subject have a history of known or suspected hypersensitivity or idiosyncratic reactions to aminoglycosides?
- Does the subject have any other topical disease/condition which would interfere with the objectives of this study?

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01083576
Panama | |
Gorgas Memorial Institute Clinical Research Unit | |
Panama City, Panama |
Principal Investigator: | Nestor Sosa, M.D. FACP | Instituto Conmemorativo Gorgas de Estudios de la Salud |
Responsible Party: | U.S. Army Medical Research and Development Command |
ClinicalTrials.gov Identifier: | NCT01083576 |
Other Study ID Numbers: |
PG-PANAMA-08-04; A-15810 |
First Posted: | March 9, 2010 Key Record Dates |
Results First Posted: | May 15, 2014 |
Last Update Posted: | July 16, 2015 |
Last Verified: | May 2014 |
leishmaniasis cutaneous WR 279,396 paromomycin |
gentamicin pharmacokinetics safety efficacy |
Leishmaniasis Leishmaniasis, Cutaneous Euglenozoa Infections Protozoan Infections Parasitic Diseases Infections Skin Diseases, Parasitic Vector Borne Diseases Skin Diseases, Infectious Skin Diseases |
Gentamicins Paromomycin Anti-Bacterial Agents Anti-Infective Agents Protein Synthesis Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Antiprotozoal Agents Antiparasitic Agents |