Phase 3 Trial to Assess the Safety and Efficacy of Natroba for the Treatment of Scabies

Completed · Phase 3 · Has a placebo group

Conditions studied: Scabies

In brief

To assess the safety and efficacy of Natroba (spinosad) topical suspension versus placebo for the clinical cure of scabies after a single treatment. The trial will also assess the pharmacokinetics (PK) of spinosad and benzyl alcohol following a single dose of Natroba™ in pediatric subjects 4-16 years of age. These subjects will be a separate population of pediatric subjects.

Key facts

Study ID

NCT02485717

Run by

ParaPRO LLC

People needed

291

Starts

2017-05-02

Expected to finish

2018-06-25

Last updated by the study team

2021-05-19

Who can join

Age: 4 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• All household members who have provided written informed consent and an authorization for disclosure of protected health information must meet all the following criteria:
• Male or female, age 4 years and upward.
• At least one household member 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 microscopic examination of skin scraping, or dermatoscopy, to demonstrate the presence of mites, eggs, and/or scybala. If dermatoscopy is used it should also confirm there are burrows on the skin.
• Generally in good health based on medical history and clinical assessments.
• Normal-appearing skin in noninfested areas.
• No history of chronic or recurrent dermatologic disease.
• Willingness to comply with the study procedures including blood collections and application of study treatment at home or in-clinic (PK subjects).
• Willing and able to practice an acceptable measure of contraception during the study, if female of childbearing potential. Examples of acceptable contraceptive methods include abstinence, intrauterine device (IUD) or double barrier method, oral or injectable contraceptives (must have been using consistent systemic contraceptives for at least 3 months prior to enrollment). If abstinent and planning to become sexually active with a household member must agree to use a double barrier method.
• Subject agrees to inform their sexual partners to seek an examination for scabies and treatment if, and when, symptoms present.
• Household members must be 6 or fewer and all members must be willing to attend clinic visits and be randomized to treatment (blinded, but same for all).

You may not qualify if…

• All household members must be excluded if any of the following conditions are met:
• Household has greater than 6 residents.
• Has a household member(s) who is not willing or not eligible to enroll.
• Presence of scabies on the scalp.
• Presence of crusted scabies (Norwegian scabies).
• Allergies or intolerance to ingredients in the IPs.
• Current pregnancy (as assessed by urine pregnancy test) or currently nursing.
• The household has sexually active subjects who do not agree to restrict prolonged skin to skin contact with non-household members during the trial period.
• Known renal or hepatic impairment.
• Treatment with scabicide within the prior 4 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 IP within the prior 4 weeks.
• 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.
• Does not have a known household affiliation with their household members (stays in one household inconsistently, i.e., sleeps at one place several nights and then other places on other nights).
• Household member is unwilling to treat scabies.

Where it is running

• Elk Grove Clinical Research — Elk Grove, California, United States
• The Chappel Group Research — Kissimmee, Florida, United States
• San Marcus Research — Miami, Florida, United States
• L&C Professional Medical Research Institute — Miami, Florida, United States
• LSRN Research — West Palm Beach, Florida, United States

Full record on ClinicalTrials.gov

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