Efficacy Study Between Two Different Dosages of an Antiparasitic in Patients With Crusted Scabies

NCT02841215 — Phase 3, Completed, 133 participants, Assistance Publique - Hôpitaux de Paris

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A Randomized Controlled Double-blind Trial Assessing the Efficacy of a 400µg/kg Ivermectin /5% Permethrin / Emollient Cream Regimen in Patients With Crusted Scabies as Compared to a 200µg/kg Ivermectin /5% Permethrin /Emollient Cream Regimen

RegistryNCT02841215, acronym GALECRUSTED
StatusCompleted
PhasePhase 3
Study typeInterventional; randomized, parallel, masking: quadruple, treatment
Enrollment133 (Actual)
SponsorAssistance Publique - Hôpitaux de Paris (Other)
ConditionsGale, Severe Forms of Scabies, Oral Parasitic Drug, Ivermectin
InterventionsIvermectin 200 µg/kg, Ivermectin 400 µg/kg (Drug)
Datesstart 2017-10-11, primary completion 2022-01-12, completion 2022-01-12, first posted 2016-07-22, last updated 2023-09-22
Locations1 site in France

Related Papers Related Patents Related Grants Related Experts
All trials for Gale All trials for Severe Forms of Scabies All trials of Ivermectin 200 µg/kg All trials of Ivermectin 400 µg/kg

-Summary

Severe forms of scabies (crusted scabies and profuse scabies) require a specific treatment. Ivermectin is a recommended treatment in common forms of scabies and represents a promising treatment in crusted scabies in case reports. However, response to ivermectin remains variable among studies, and there is no consensus on the schemes to adopt (dosages and administrations). Ivermectin at 400 µg/kg has already been used, without showing toxicity (in head lice treatment in particular). Investigators propose to demonstrate that 400µg/kg ivermectin dosage will show better efficacy than a 200µg/kg in patients with severe forms of scabies (crusted and profuse).

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+Arms and interventions

ArmTypeInterventionsDescription
Oral ivermectin 400 µg/kgExperimentalDrug: Ivermectin 400 µg/kgOral ivermectin 400 µg/kg + topical treatment (permethrin 5% cream) + emollient cream (Dexeryl® or other)
Oral ivermectin 200 µg/kgActive comparatorDrug: Ivermectin 200 µg/kgOral ivermectin 200 µg/kg + topical treatment (permethrin 5% cream) + emollient cream (Dexeryl® or other)
  • Ivermectin 200 µg/kg (Drug): Oral ivermectin 200 µg/kg three times (D0, D7 and D14) + topical treatment (permethrin 5% cream) on skin, hair and genital organs (D0 and D7) + emollient cream (Dexeryl® or other) daily on skin (D0 to D28)
  • Ivermectin 400 µg/kg (Drug): Oral ivermectin 400 µg/kg three times (D0, D7 and D14) + topical treatment (permethrin 5% cream) on skin, hair and genital organs (D0 and D7) + emollient cream (Dexeryl® or other)daily on skin (D0 to D28)

+Outcome measures

Primary outcomes

  • Rate of a successful treatment defined by : -Two negative parasitologic and/or two dermoscopic exams [Days 21+/-2 days]: Parasitologic and/or dermoscopic exams will be perform at days 18 +/-2days and at days 21+/-2 days
  • Rate of a successful treatment defined by : - A clinical response : disappearance of clinical active lesions [Days 28+/- 2 days]

Secondary outcomes

  • Rate of adverse effects [Days 18 +/-2 days, Days 21+/-2 days and Days 28+/-2 days]

+Eligibility

Sex: All, ages: 18 Years to any

Inclusion Criteria:

Patients ≥ 18 years old, diagnosed with severe forms of scabies

1. clinical criteria : cutaneous lesions of scabies

   * crusted scabies: at least two sites of hyperkeratosis will define crusted scabies and/or
   * profuse scabies : spreading lesions with erythematous scaly eruption of the neck, face or trunk without hyperkeratosis
2. paraclinical criteria:

   * Positive parasitological test
   * and/or dermoscopic exam with signs of scabies

Effective contraception for women in age of pregnancy Written consent from patient or his/her legal representant, trustworthy person or family member Affiliated to a social security scheme

Exclusion Criteria:

* Pregnant and/or breastfeeding women
* Intolerance to ivermectin or topical treatment (permethrin 5% cream) or emollient cream
* Use of anti parasitic drug (ivermectin or albendazole) within the past 7 days
* Abnormal liver test results: ALT and/or AST >3N within the past 7 days (within 6 months if no hepatic history)
* Participation in other biomedical drug research
* Patient deprived of freedom
* Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule

+Locations (1)

FacilityCityCountryStatus
Henri Mondor HospitalCréteilFrance

+Publications

  • Results publication: Bernigaud C, Do-Pham G, Guichard E, Beylot-Barry M, Goujon E, Isnard C, Beneton N, Samimi M, Tedbirt B, Adamski H, Azib S, Mahe E, Michel C, Perrot JL, Acquitter M, Bursztejn AC, Chaby G, Caux F, Passeron T, Vanhaecke C, Mahe A, Leccia MT, Barbarot S, Lenormand C, Aubin F, Foulet F, Gregoire L, Giraudeau B, Chosidow O. Combined Oral Ivermectin and 5% Permethrin Cream to Treat Severe Scabies. N Engl J Med. 2026 May 7;394(18):1814-1823. doi: 10.1056/NEJMoa2411721. PMID 42090793

+Investigators

  • Giao DO-PHAM, MD, Principal investigator, Assistance Publique - Hôpitaux de Paris