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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
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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 22, 2013 · Synced Jun 7, 2026, 10:47 AM 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 19, 2019 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

NatrOVA Photoallergy Study - NatrOVA Creme Rinse in Healthy Volunteers

NCT00605956
View directory record Official record
Conditions
Head Lice
Interventions
NatrOVA Creme Rinse - 1%, NatrOVA Creme Rinse Vehicle Only, Blank Patch
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Aug 3, 2008 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy of a Novel Malathion Formulation in the Treatment of Head Lice

NCT00244439
View directory record Official record
Conditions
Lice Infestations
Interventions
MALG, Ovide (malathion) lotion 0.05%, Permethrin 1%
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
2 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
6
States / cities
Scottsdale, Arizona • Miami, Florida • St. Petersburg, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2013 · Synced Jun 7, 2026, 10:47 AM 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 23, 2025 · Synced Jun 7, 2026, 10:47 AM 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 Dec 31, 2014 · Synced Jun 7, 2026, 10:47 AM 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 22, 2020 · Synced Jun 7, 2026, 10:47 AM 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 28, 2016 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 4 Interventional Results available

Pharmacokinetic (PK) and Tolerance Study of Natroba Topical Suspension in Pediatrics With an Active Head Lice Infestation

NCT01660321
View directory record Official record
Conditions
Pediculosis
Interventions
spinosad
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
6 Months to 4 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Hot Springs, Arkansas • West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Nov 21, 2012 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety and Tolerability of a Novel Malathion Formulation in Patients 2 Years and Older With Head Lice

NCT00963508
View directory record Official record
Conditions
Pediculosis
Interventions
Malathion gel 0.5%, Permethrin 1% rinse (Nix Crème)
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
2 Years and older
Enrollment
403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
7
States / cities
Hot Springs, Arkansas • Sacramento, California • Kissimmee, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2014 · Synced Jun 7, 2026, 10:47 AM 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 4, 2022 · Synced Jun 7, 2026, 10:47 AM 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 26, 2021 · Synced Jun 7, 2026, 10:47 AM 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 5, 2012 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 2 Interventional Results available

A Study Evaluating the Safety and Efficacy of BGC20-0582 Lice Treatment Gel for Head Lice Infestation

NCT00528021
View directory record Official record
Conditions
Pediculus Humanus Capitis, Head Lice
Interventions
Placebo, BGC20-0582
Drug
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
2 Years to 70 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Florida City, Florida
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 3 Interventional

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

NCT00301327
View directory record Official record
Conditions
Head Lice
Interventions
Summers 5% L.A.
Drug
Lead sponsor
Summers Laboratories
Industry
Eligibility
6 Months and older
Enrollment
120 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 29, 2007 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate the Efficacy and Safety of a Leave-in Spray in Subjects With Head Lice Infestation

NCT05565820
View directory record Official record
Conditions
Pediculosis Capitis, Lice Infestations, Head Lice
Interventions
Vamousse Spray 'n' Go, Nix Creme Rinse Lice Treatment
Other · Drug
Lead sponsor
Alliance Pharmaceuticals
Industry
Eligibility
2 Years to 75 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Jun 7, 2026, 10:47 AM 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 19, 2008 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Not applicable Interventional

Safety and Efficacy Study to Compare a 4% Dimethicone Foam and Nix Cream Rinse (1% Permethrin) in the Control of Head Lice

NCT00672971
View directory record Official record
Conditions
Head Lice
Interventions
4% dimethicone foam, 1% permethrin
Other
Lead sponsor
Oystershell NV
Industry
Eligibility
4 Years to 85 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Plantation, Florida
Source: ClinicalTrials.gov public record
Updated May 5, 2008 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Safety and Efficacy Pilot Study Comparing NatrOVA Creme Rinse 1% and NIX Creme Rinse

NCT00857935
View directory record Official record
Conditions
Pediculosis Capitis, Head Lice
Interventions
NatrOVA Creme Rinse - 1%, NIX Creme Rinse - 1% permethrin
Drug
Lead sponsor
ParaPRO LLC
Industry
Eligibility
6 Months and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 8, 2009 · Synced Jun 7, 2026, 10:47 AM 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 24, 2012 · Synced Jun 7, 2026, 10:47 AM 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 5, 2012 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Not applicable Interventional

Control of Head Lice Infestations in Children and Adults

NCT00731718
View directory record Official record
Conditions
Pediculosis
Interventions
lousebuster
Device
Lead sponsor
Larada Sciences, Inc.
Industry
Eligibility
6 Years and older
Enrollment
543 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 10, 2008 · Synced Jun 7, 2026, 10:47 AM EDT
Completed Phase 2 Interventional Results available

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

NCT00994422
View directory record Official record
Conditions
Head Lice
Interventions
Ivermectin cream, vehicle control
Drug
Lead sponsor
Topaz Pharmaceuticals Inc
Industry
Eligibility
2 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
12
States / cities
Yuma, Arizona • Los Angeles, California • Delray Beach, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Jun 7, 2026, 10:47 AM 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 11, 2020 · Synced Jun 7, 2026, 10:47 AM EDT