PK and Safety Study of Natroba Topical Suspension 0.9% in Subjects 1 Month to 3 Years 11 Months of Age With Scabies

Status unconfirmed · Phase 4

Conditions studied: Scabies

In brief

A population of approximately 50 pediatric subjects will be enrolled to assess the PK of spinosad and benzyl alcohol for 3 hours following a single, full-body topical application (open label) on a single in-clinic visit (Day 1, or Day 2 if screening only on Day 1). There will be approximately 50 subjects ages 1 month to 3 years 11 months of age enrolled with the goal of completing approximately 16 subjects. With assistance from a caregiver, Natroba will be applied over the entire body from the neck down to the toes (including the soles of the feet) and to the hairline, temples, forehead and possibly the scalp (if a scabies infestation is present on the scalp). The open-label Investigational Product (IP) will remain on the skin for at least 6 hours before removing the IP by gentle washing. The subjects will stay in the clinic until the 3-hour procedures are completed. Blood draws will be taken at 0 hours just prior to treatment, and then at 0.5 and 3.0 hours post-treatment. Heel sticks are likely to be the mode of blood collection for children less than 2 years of age. A ±5-minute time window will be allowed for all post-treatment blood samples. Removal of IP can occur by the caregiver at home after it has been on the skin for at least 6 hours before bathing the child. Safety will be assessed with adverse events (AEs), general skin and eye irritation assessments, and pre-dose and pre-discharge laboratory evaluations. Following the sample collections subjects will be released from the clinic and directed to their primary care physician for follow-up. Subjects will be provided scabies medications upon discharge to dispense to family members. These include 5% Permethrin for those in the household that are less than 4 years of age and Natroba for those in the household 4 years of age and older. Subjects who terminate early will not be given these medications to dispense to family members.

Key facts

Study ID

NCT05310734

Run by

Cipher Pharmaceuticals Inc.

People needed

50

Starts

2022-03-04

Expected to finish

2026-03-31

Last updated by the study team

2025-02-14

Who can join

Age: 0 and older, up to 4. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female, ages 1 month to 3 years and 11 months.
• Must have active scabies infestation confirmed by clinical signs and symptoms (evidence of burrows or presence of scabies inflammatory/non-inflammatory lesions and pruritus) as well as by burrow ink test (BIT) to demonstrate the presence of burrowing mites.
• Generally, in good health based on medical history and clinical assessments.
• Normal-appearing skin in non-infested areas.
• No history of chronic or recurrent dermatologic disease.
• Willingness to comply with the study procedures including blood collections and application of study treatment in-clinic.

You may not qualify if…

• Presence of crusted scabies (Norwegian scabies).
• Allergies or intolerance to ingredients in the Investigational Product.
• Known renal or hepatic impairment.
• Treatment with scabicide within the prior 2 weeks.
• Immunodeficiency (including HIV infection) as reported in Medical History.
• Signs or symptoms of systemic infection.
• Administration of systemic therapy for infectious disease within the prior 2 weeks.
• Receipt of any investigational product within the prior 4 weeks.
• Medications used for itching or other indication that contain benzyl alcohol or other alcohols within the past 7 days.
• Over-the-counter cortisone products within the past 7 days.
• Oral prescription medications and/or antibiotics within the past 7 days.
• Any other conditions that, at the investigator's discretion, may interfere with the study conduct, or which might confound the interpretation of the study results, or which may put the subject at undue risk.

Where it is running

• L&C Professional Medical Research Institute — Miami, Florida, United States (enrolling)
• Velocity Clinical Research — Lafayette, Louisiana, United States (enrolling)
• Elixir Research Group — Houston, Texas, United States (enrolling)

Full record on ClinicalTrials.gov

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