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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:49 PM EDT

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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Head Lice Clear all
Terminated Phase 2 Interventional

Safety and Tolerability of a Novel Malathion Formulation in Infants and Toddlers With Head Lice

NCT00291057
View directory record Official record
Conditions
Lice Infestations
Interventions
MALG
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
6 Months to 24 Months
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
5
States / cities
Scottsdale, Arizona • St. Petersburg, Florida • West Palm Beach, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Efficacy Study of NatrOVA Creme Rinse - 1% and NIX Creme Rinse in Subjects 6 Months or Older With Head Lice

NCT00545168
View directory record Official record
Conditions
Pediculus Capitis Infestation
Interventions
Spinosad, Permethrin 1%
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
6 Months and older
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
6
States / cities
Ormond Beach, Florida • West Palm Beach, Florida • Indianapolis, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2012 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Results available

A Clinical Endpoint Bioequivalence Study to Assess Efficacy and Safety of Ivermectin 0.5% Lotion in the Treatment of Head Lice

NCT03337490
View directory record Official record
Conditions
Head Lice
Interventions
Ivermectin 0.5% Topical Application Lotion, Ivermectin 0.5% Topical Application Lotion [SKLICE], Placebo 0% Lotion
Drug
Lead sponsor
Mayne Pharma International Pty Ltd
Industry
Eligibility
6 Months to 18 Years
Enrollment
296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
6
States / cities
Dinuba, California • Miami, Florida • Plantation, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2020 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Efficacy Study of NatrOVA Creme Rinse - 1% and NIX Creme Rinse in Subjects 6 Months or Older With Head Lice

NCT00545753
View directory record Official record
Conditions
Pediculosis
Interventions
Spinosad, Permethrin 1%
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
6 Months and older
Enrollment
558 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
6
States / cities
Scottsdale, Arizona • Hot Springs, Arkansas • Beverly Hills, California + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2012 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Pilot Dose Ranging Study of Spinosad Creme Rinse

NCT00858481
View directory record Official record
Conditions
Pediculosis Capitis, Head Lice
Interventions
Spinosad Creme Rinse - Vehicle Control, Spinosad Creme Rinse
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
2 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Oct 23, 2026, 1:49 PM EDT
Recruiting Not applicable Interventional

Safety, Efficacy and Preventative Effect of a Head Lice Product (X92001483) vs. Nix Creme Rinse (1% Permethrin).

NCT07660354
View directory record Official record
Conditions
Lice; Head Lice
Interventions
Medical Device (X92001483)
Device
Lead sponsor
Oystershell NV
Industry
Eligibility
1 Year and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Maitland, Florida
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Summers Non-Pesticide Lice Asphyxiator (L.A.)for the Treatment of Head Lice

NCT00301340
View directory record Official record
Conditions
Head Lice
Interventions
5% Lice Asphyxiator lotion - Summers Laboratories, Inc.
Drug
Lead sponsor
Summers Laboratories
Industry
Eligibility
6 Months and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
5
States / cities
Miami, Florida • Council Bluffs, Iowa • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated May 30, 2007 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

Dose Ranging Study of Ivermectin Treatment Conditioner in Subjects With Head Lice Infestation

NCT00857948
View directory record Official record
Conditions
Pediculus Humanus Capitis (Head Lice)
Interventions
ivermectin treatment conditioner, Placebo, vehicle control
Drug
Lead sponsor
Topaz Pharmaceuticals Inc
Industry
Eligibility
6 Months and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2012 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

Pediatric Head Lice Study Product Comparison

NCT02213055
View directory record Official record
Conditions
Head Lice
Interventions
LICEMD, Standard Head lice product
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
3 Years to 12 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 29, 2016 · Synced Oct 23, 2026, 1:49 PM EDT
Recruiting Not applicable Interventional

Safety and Efficacy of Head-lice Treatments Elimax Green Lotion and Walgreens Lice Killing Shampoo

NCT07191457
View directory record Official record
Conditions
Head Lice
Interventions
Elimax Green Lotion with Emogreen, Walgreens Lice Killing Shampoo
Device · Drug
Lead sponsor
Oystershell NV
Industry
Eligibility
6 Months and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Enid, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Results available

A Pharmacokinetics (PK) Study in Lice Infested Children 6 Months to 3 Years of Age

NCT00988533
View directory record Official record
Conditions
Head Lice
Interventions
0.5% Ivermectin Cream
Drug
Lead sponsor
Topaz Pharmaceuticals Inc
Industry
Eligibility
6 Months to 3 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
5
States / cities
Bentonville, Arkansas • Dinuba, California • Los Angeles, California + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2012 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety and Tolerability of a Novel Malathion Formulation in Children Age 6-24 Months With Head Lice

NCT00752973
View directory record Official record
Conditions
Pediculosis
Interventions
MALG (malathion) Treatment
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
6 Months to 24 Months
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Bentonville, Arkansas • Jonesboro, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy and Safety of Licefreee Spray Against Nix 1% Permethrin

NCT01514513
View directory record Official record
Conditions
Pediculosis Capitis
Interventions
Licefreee Spray, 1% permethrin creme rinse
Drug
Lead sponsor
South Florida Family Health and Research Centers
Network
Eligibility
4 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Plantation, Florida
Source: ClinicalTrials.gov public record
Updated Jan 1, 2015 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phototoxicity Potential of NatrOVA Creme Rinse - 1%

NCT00591331
View directory record Official record
Conditions
Head Lice
Interventions
Spinosad (the active ingredient in NatrOVA), placebo
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated May 20, 2008 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Results available

A Study Comparing the Safety and Efficacy of 0.5% Ivermectin Cream to Placebo in Lice Infested Subjects

NCT01068158
View directory record Official record
Conditions
Head Lice
Interventions
0.5% Ivermectin Cream, Placebo control
Drug
Lead sponsor
Topaz Pharmaceuticals Inc
Industry
Eligibility
5 Months and older
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
7
States / cities
Little Rock, Arkansas • Delray Beach, Florida • St. Petersburg, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2012 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study Comparing 0.5% Ivermectin Cream to a Vehicle Control in Subjects With Head Lice Infestation

NCT01066585
View directory record Official record
Conditions
Head Lice
Interventions
Ivermectin Cream, vehicle control
Drug
Lead sponsor
Topaz Pharmaceuticals Inc
Industry
Eligibility
6 Months and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
8
States / cities
Yuma, Arizona • Dinuba, California • Plantation, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2012 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 2 Interventional

A Pediatric Safety and Pharmacokinetics Study of Ha44 Gel Administered Topically for Treatment of Head Lice Infestation

NCT02010333
View directory record Official record
Conditions
Head Lice Infestation
Interventions
Ha44 Gel 0.74% w/w
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited
Industry
Eligibility
6 Months to 2 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Dinuba, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Bioequivalence Study for Benzyl Alcohol Lotion 5%.

NCT02624843
View directory record Official record
Conditions
Head Lice
Interventions
Benzyl Alcohol Lotion 5%, Ulesfia (benzyl alcohol lotion) 5%, Placebo
Drug
Lead sponsor
Akorn, Inc.
Industry
Eligibility
6 Months to 60 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
4
States / cities
Los Angeles, California • Miami, Florida • Plantation, Florida
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Endpoint Study of Ivermectin 0.5% Lotion

NCT03301649
View directory record Official record
Conditions
Head Lice
Interventions
Generic Ivermectin Lotion 0.5%, Sklice® (Ivermectin) Lotion 0.5%, Vehicle Lotion
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
6 Months and older
Enrollment
905 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 20, 2019 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Clinical Trial to Evaluate Efficacy and Safety of a Water-soluble Head Lice Product.

NCT03617926
View directory record Official record
Conditions
Head Lice, Pediculosis Capitis
Interventions
X92001666, RID shampoo
Device · Other
Lead sponsor
Oystershell NV
Industry
Eligibility
2 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
Miami, Florida • Plantation, Florida
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic (PK) Study of NatrOVA Topical Creme (1%) in Pediatric Subjects 6 to 24 Months of Age

NCT00410709
View directory record Official record
Conditions
Pediculosis Capitis (Head Lice)
Interventions
NatrOVA Creme Rinse (1%)
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
6 Months to 24 Months
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2008 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

An Efficacy and Safety Study of Ha44 Gel Administered Topically for the Treatment of Head Lice Infestation

NCT01336647
View directory record Official record
Conditions
Pediculosis
Interventions
Group A - Low-Dose Ha44 0.37% w/w, Group B - High Dose Ha44 Gel 0.74% w/w, Group C - Placebo
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited
Industry
Eligibility
2 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Dinuba, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Bioequivalence Study, Comparing Two Formulations of Ivermectin Lotion, 0.5%

NCT03257943
View directory record Official record
Conditions
Lice; Head Lice
Interventions
Ivermectin Lotion, 0.5%, SKLICE (ivermectin) Lotion, 0.5%, Vehicle of the Test product
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
18 Years and older
Enrollment
413 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2018 · Synced Oct 23, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Results available

A Study of the Efficacy and Safety of Abametapir Lotion Administered for the Treatment of Head Lice Infestation

NCT02060903
View directory record Official record
Conditions
Head Lice Infestation
Interventions
Abametapir Lotion 0.74% w/w, Vehicle Lotion
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited
Industry
Eligibility
6 Months and older
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
7
States / cities
Dinuba, California • Los Angeles, California • West Palm Beach, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Oct 23, 2026, 1:49 PM EDT