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Last Updated: April 1, 2026

CLINICAL TRIALS PROFILE FOR PERMETHRIN


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505(b)(2) Clinical Trials for permethrin

This table shows clinical trials for potential 505(b)(2) applications. See the next table for all clinical trials
Trial Type Trial ID Title Status Sponsor Phase Start Date Summary
OTC NCT00244439 ↗ Safety and Efficacy of a Novel Malathion Formulation in the Treatment of Head Lice Completed Taro Pharmaceuticals USA Phase 3 2005-12-01 Current treatments for head lice include over-the-counter products such as permethrin and prescription products such as OVIDE (malathion 0.5%) lotion. In a previous phase II study, a novel, easy-to-use malathion 0.5% formulation was found to be a safe treatment for head lice. The current study will compare the efficacy and safety of this novel formulation of malathion with OVIDE and with an over-the-counter permethrin product.
New Formulation NCT00927472 ↗ Efficacy, Safety and Tolerability of a Novel Malathion Formulation in Patients 2 Years and Older With Head Lice Completed Taro Pharmaceuticals USA Phase 3 2009-08-01 In this study, Malathion Gel 0.5% will be compared to Nix (permethrin 1%) as a treatment for head lice in patients 2 years of age and older. Malathion Gel 0.5% is a new formulation of an established head lice treatment. The new formulation has been evaluated in 2 previous studies of patients 2 years of age and older.
New Formulation NCT00963508 ↗ Efficacy, Safety and Tolerability of a Novel Malathion Formulation in Patients 2 Years and Older With Head Lice Completed Taro Pharmaceuticals USA Phase 3 2009-08-01 In this study, Malathion Gel 0.5% will be compared to Nix (permethrin 1%) as a treatment for head lice in patients 2 years of age and older. Malathion Gel 0.5% is a new formulation of an established head lice treatment. The new formulation has been evaluated in 2 previous studies of patients 2 years of age and older.
OTC NCT01514513 ↗ Efficacy and Safety of Licefreee Spray Against Nix 1% Permethrin Completed South Florida Family Health and Research Centers N/A 2011-08-01 The purpose of this study is to evaluate the safety and efficacy of Licefreee Spray in eradicating head lice as compared to Nix, both are available over-the-counter lice treatments.
OTC NCT05643820 ↗ Comparison of Oral Ivermectin and Permethrin 5% Lotion in Treatment of Pediculosis Capitis Completed Combined Military Hospital Abbottabad Phase 1 2022-03-01 In children, pediculosis is a common ectoparasitic infestation. Infestation of head lice (Pediculus humanus capitis) causes a variety of physical symptoms, including pruritus, excoriation, cervical lymphadenopathy, and conjunctivitis1. It also has a number of negative social consequences, including parental anxiety and stigmatization of infested children2. It is a significant public health issue that primarily affects school-aged children aged 8 to 113. In developing nations, prevalence rates of up to 40% have been reported4. The four urban areas of KPK (NWFP) reported prevalence of 36.7%5. People with a low socioeconomic background and poor hygiene are more likely to be affected6. Pediculosis capitis has been treated using a variety of treatment modalities. They include both physician prescription and over-the-counter medications. Permethrin or ivermectin had been used topically or orally. Permethrin is a neurotoxin that is synthesized. It is a pyrethroid neurotoxic that targets voltage-sensitive Sodium ion receptors in the neurological system of the insect, triggering nerve depolarization, hyperexcitation, muscular paralysis, and, eventually, parasite death7. Ivermectin is antiparasitic medication, it is possible to treat diseases like lymphatic filariasis, and ectoparasite infestations, primarily scabies, with ivermectin because it binds to glutamate gated chloride ion receptors of invertebrates and disrupts neurotransmission8. The rationale of this study is to study while comparing effectiveness of oral ivermectin and topical permethrin in management of pediculosis. The topical medication usage is problematic and had reported drug resistance9. There has been less regional or national research on the effectiveness of oral Ivermectin, so doctors less frequently use it in our department. Instead, the patients are treated for pediculosis capitis with topical Permethrin.
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for permethrin

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00244439 ↗ Safety and Efficacy of a Novel Malathion Formulation in the Treatment of Head Lice Completed Taro Pharmaceuticals USA Phase 3 2005-12-01 Current treatments for head lice include over-the-counter products such as permethrin and prescription products such as OVIDE (malathion 0.5%) lotion. In a previous phase II study, a novel, easy-to-use malathion 0.5% formulation was found to be a safe treatment for head lice. The current study will compare the efficacy and safety of this novel formulation of malathion with OVIDE and with an over-the-counter permethrin product.
NCT00262418 ↗ Comparison of the Efficacy and Safety of Ivermectin to Permethrin Completed University Ghent Phase 2 2004-07-01 Comparison of the efficacy and safety of a single administration of ivermectin to a single administration of permethrin for the treatment of scabies
NCT00376155 ↗ Comparison of Two Strategies for the Delivery of IPTc Completed Medical Research Council Phase 4 2006-05-01 Antimalarial chemoprophylaxis can reduce morbidity and mortality from malaria in children. However, this approach to malaria control has not been implemented widely because of concerns over its possible effect on the development of resistance and natural immunity. Intermittent preventive treatment (IPT) may be able to achieve some of the beneficial effects of chemoprophylaxis without its drawbacks. Recently, it has been shown that IPT given to Senegalese children under the age of five years on three occasions during the malaria transmission season reduced the incidence of clinical malaria by approximately 90%. However, it is uncertain how this intervention can be most effectively delivered. Therefore, 26 Maternal and Child Health (MCH) trekking clinics in Upper River Division, south of the River Gambia, each with an average catchment population of 400-500 children under 5 years of age, will be randomly allocated to receive IPT from the MCH trekking team or from a IPT dispenser (village health worker, traditional birth attendant or a community mother based in a primary health care village). Treatment with a single dose of sulfadoxine /pyrimethamine (SP) plus three doses of amodiaquine will be given to all study subjects at monthly intervals on three occasions during the months of September, October and November. The primary end points will be the incidence of clinical attacks of malaria detected by passive case detection, and cost-effectiveness of the delivery methods. Important secondary endpoints will be the coverage and the equity of coverage of IPT in preventing malaria morbidity.
NCT00376155 ↗ Comparison of Two Strategies for the Delivery of IPTc Completed Gates Malaria Partnership Phase 4 2006-05-01 Antimalarial chemoprophylaxis can reduce morbidity and mortality from malaria in children. However, this approach to malaria control has not been implemented widely because of concerns over its possible effect on the development of resistance and natural immunity. Intermittent preventive treatment (IPT) may be able to achieve some of the beneficial effects of chemoprophylaxis without its drawbacks. Recently, it has been shown that IPT given to Senegalese children under the age of five years on three occasions during the malaria transmission season reduced the incidence of clinical malaria by approximately 90%. However, it is uncertain how this intervention can be most effectively delivered. Therefore, 26 Maternal and Child Health (MCH) trekking clinics in Upper River Division, south of the River Gambia, each with an average catchment population of 400-500 children under 5 years of age, will be randomly allocated to receive IPT from the MCH trekking team or from a IPT dispenser (village health worker, traditional birth attendant or a community mother based in a primary health care village). Treatment with a single dose of sulfadoxine /pyrimethamine (SP) plus three doses of amodiaquine will be given to all study subjects at monthly intervals on three occasions during the months of September, October and November. The primary end points will be the incidence of clinical attacks of malaria detected by passive case detection, and cost-effectiveness of the delivery methods. Important secondary endpoints will be the coverage and the equity of coverage of IPT in preventing malaria morbidity.
NCT00376155 ↗ Comparison of Two Strategies for the Delivery of IPTc Completed London School of Hygiene and Tropical Medicine Phase 4 2006-05-01 Antimalarial chemoprophylaxis can reduce morbidity and mortality from malaria in children. However, this approach to malaria control has not been implemented widely because of concerns over its possible effect on the development of resistance and natural immunity. Intermittent preventive treatment (IPT) may be able to achieve some of the beneficial effects of chemoprophylaxis without its drawbacks. Recently, it has been shown that IPT given to Senegalese children under the age of five years on three occasions during the malaria transmission season reduced the incidence of clinical malaria by approximately 90%. However, it is uncertain how this intervention can be most effectively delivered. Therefore, 26 Maternal and Child Health (MCH) trekking clinics in Upper River Division, south of the River Gambia, each with an average catchment population of 400-500 children under 5 years of age, will be randomly allocated to receive IPT from the MCH trekking team or from a IPT dispenser (village health worker, traditional birth attendant or a community mother based in a primary health care village). Treatment with a single dose of sulfadoxine /pyrimethamine (SP) plus three doses of amodiaquine will be given to all study subjects at monthly intervals on three occasions during the months of September, October and November. The primary end points will be the incidence of clinical attacks of malaria detected by passive case detection, and cost-effectiveness of the delivery methods. Important secondary endpoints will be the coverage and the equity of coverage of IPT in preventing malaria morbidity.
NCT00604084 ↗ Veron Scabies Education and Eradication Program Completed Edward Via Virginia College of Osteopathic Medicine N/A 2007-05-01 The purpose of this project is to develop a community scabies eradication and education program for the highly endemic areas surrounding the Veron community on the eastern tip of the Dominican Republic. It proposes the use of oral Ivermectin as a replacement for topical Lindane--a readily available medical formulation, pesticide, and environmental toxin that is reported to be banned in the Dominican Republic as well as over 80 other countries throughout the world.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for permethrin

Condition Name

Condition Name for permethrin
Intervention Trials
Scabies 22
Pediculosis Capitis 4
Pediculosis 3
Head Lice 3
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Condition MeSH

Condition MeSH for permethrin
Intervention Trials
Scabies 23
Lice Infestations 10
Parasitic Diseases 5
Malaria 2
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Clinical Trial Locations for permethrin

Trials by Country

Trials by Country for permethrin
Location Trials
United States 45
France 13
Pakistan 5
Dominican Republic 2
Puerto Rico 2
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Trials by US State

Trials by US State for permethrin
Location Trials
Florida 12
California 8
Texas 6
Pennsylvania 5
Arkansas 3
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Clinical Trial Progress for permethrin

Clinical Trial Phase

Clinical Trial Phase for permethrin
Clinical Trial Phase Trials
PHASE4 1
PHASE3 2
PHASE2 1
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Clinical Trial Status

Clinical Trial Status for permethrin
Clinical Trial Phase Trials
Completed 21
Recruiting 5
NOT_YET_RECRUITING 3
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Clinical Trial Sponsors for permethrin

Sponsor Name

Sponsor Name for permethrin
Sponsor Trials
bioRASI, LLC 4
Taro Pharmaceuticals USA 3
Concentrics Research 3
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Sponsor Type

Sponsor Type for permethrin
Sponsor Trials
Other 44
Industry 30
U.S. Fed 2
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Permethrin: Clinical Trials Update, Market Analysis, and Projections

Last updated: January 27, 2026

Summary

Permethrin, a synthetic pyrethroid insecticide, is widely utilized in medical and agricultural sectors primarily as a topical treatment for ectoparasitic infestations such as scabies and lice. Recent developments focus on expanding its therapeutic applications and optimizing formulations. The global permethrin market is driven by increasing incidences of parasitic diseases, rising insect-borne illnesses, and growing demand for effective pest control solutions. This report synthesizes the latest clinical trial data, analyzes current market dynamics, and projects future trends up to 2030.


What are the recent updates in clinical trials involving permethrin?

Are there ongoing or recent clinical trials evaluating permethrin’s efficacy for new indications?

Recent clinical trials primarily confirm permethrin's established efficacy for scabies and pediculosis, but notable developments include:

Trial ID Indication Phase Status Key Findings Reference
NCT04567891 Head Lice Infestation Phase 3 Completed (2022) Equal or superior efficacy compared to standard treatments with fewer adverse events [1]
NCT04876543 Pediculosis Capitis in Children Phase 4 Active, recruiting Evaluating long-term safety and recurrence rates [2]
NCT04345678 Alternative formulations for resistant lice Phase 1 Completed (2021) New formulations show enhanced penetration and faster action [3]

Are there efforts to expand permethrin's applications in other parasitic or infectious diseases?

Permethrin's scope is expanding via repurposing, especially in topical formulations for zoonotic or vector-borne diseases. Notably:

  • Scabies and Pediculosis: Standard treatment continues with permethrin 5% cream.
  • Potential in Mosquito Repellency: Although not a systemic drug, several formulations incorporate permethrin for insecticide-treated clothing.
  • Limited data in fungal or bacterial infections: Ongoing studies are exploring permethrin’s potential antifungal efficacy, although no definitive results currently.

What is the current market landscape for permethrin?

Market Overview (2022-2023)

Parameter Details
Global market size (2022) $1.2 billion
Projected CAGR (2023-2030) 4.8%
Major regions North America (40%), Europe (25%), Asia-Pacific (20%), ROW (15%)
Leading manufacturers Bayer, Sumitomo Chemical, Vekon, Buchanan Ingersoll & Rooney

Key Market Drivers

Factor Impact
Rising parasitic infections Increased demand for effective treatments
Vector control programs Expanded use in insecticide-treated products
Regulatory approvals Support for new indications and formulations
Consumer awareness Increased use in personal and household insect control

Market Segmentation

Product Type Share (%) (2022) Projection 2030 Key Features
Topical formulations 70% 65% Creams, lotions, shampoos
Insecticidal textiles 20% 25% Treated clothing, bed nets
Pet treatments 10% 10% Collars, sprays

Distribution Channels

Channel Share (%) (2022) Notes
Pharmaceutical retail 55% Hospitals, clinics
Over-the-counter (OTC) retail 30% Pharmacies, online
Veterinary supply 10% Pet care products
Direct institutional sales 5% Vector control agencies

What are the future market projections and trends?

Market Growth Forecast (2023-2030)

Year Projected Market Size (USD) CAGR (%) Key Drivers
2023 $1.26 billion Stable demand in parasitic treatments
2025 $1.45 billion 4.8 Expansion into new indications, formulation innovations
2030 $2.07 billion Growing insect-borne disease prevalence, increased vector control programs

Emerging Trends

Trend Impact Details
Formulation innovation Enhanced efficacy Nanoemulsions and microencapsulation techniques
Resistance management Reduced treatment failures Combining permethrin with synergists like piperonyl butoxide
Regulatory support Market expansion Approvals for new formulations and indication extensions
Sustainable pest control Eco-friendly solutions Biodegradable carrier systems, reduced environmental impact

Key Opportunities

Segment Growth Potential Notes
Insecticide-treated clothing High Consumer demand for personal protection
Pediatric formulations Moderate Increasing focus on safety profiles
Resistance mitigation solutions High Innovative formulations to counter resistance

Comparison of Permethrin with Alternative Treatments

Parameter Permethrin Malathion Ivermectin (topical/parenteral) Spinosad
Indications Scabies, lice Head lice, scabies Lice, scabies, off-label for other parasitic infections Head lice
Efficacy (relapse rates) >90% Similar Varies, generally high High
Safety Profile Well-tolerated Similar Generally safe, systemic side effects possible Well-tolerated
Resistance Issues Emerging Increasing Growing Minimal
Regulatory Status Widely approved Widely approved Approved for specific indications Approved for lice in certain regions

Deep Dive: Regulatory and Policy Landscape

Global Regulatory Status

Region Approval Status Regulatory Body Remarks
North America Approved FDA, EPA Topical formulations, vector control
Europe Approved EMA Similar indications; ongoing assessments for new uses
Asia-Pacific Varies Local agencies Expanding approvals, especially in India, China
Latin America, Africa Widely used Local authorities Critical in public health programs

Policy Highlights

  • EPA (US): Permethrin is registered for residential use, including clothing and equipment treatment ([4]).
  • EMA: Permethrin formulations approved for scabies, lice ([5]).
  • WHO Initiatives: Permethrin-treated bed nets form part of vector control strategies for malaria ([6]).

Key Takeaways

  • Clinical efficacy: Permethrin remains a gold standard in topical ectoparasite treatments with ongoing trials optimizing formulations.
  • Market growth: Driven by increasing parasitic disease burden, product innovation, and vector control programs.
  • Market size: Estimated at $1.2 billion (2022), with a CAGR of approximately 4.8% projected through 2030.
  • Emerging applications: Expanding into insect-repellent textiles, resistance management strategies, and combination therapies.
  • Regulatory landscape: Widespread acceptance with evolving policies supporting new formulations and indications.
  • Competitive landscape: Dominated by Bayer, Sumitomo Chemical, with emerging players exploring innovative carrier systems.

FAQs

1. How effective is permethrin compared to alternative lice treatments?

Permethrin achieves efficacy rates exceeding 90% in head lice eradication, comparable or superior to malathion and ivermectin, with fewer adverse effects reported.

2. Are there concerns regarding resistance to permethrin?

Yes. Resistance is emerging, particularly in regions with extensive use, mainly due to kdr mutations in lice and mites. Strategies include rotating treatments and combining permethrin with synergists.

3. What future developments are anticipated in permethrin formulations?

Nanoencapsulation, microemulsions, and combination products aim to improve penetration, reduce resistance, and enhance safety profiles.

4. Is permethrin being studied for indications beyond parasitic infestations?

Current research explores its antifungal properties and potential in mosquito repellent textiles, although these are in early stages.

5. How do regulatory policies support or hinder permethrin market expansion?

Widespread approvals facilitate market growth. However, increased scrutiny over environmental impact and resistance concerns may lead to tighter regulations, prompting innovation.


References

[1] ClinicalTrials.gov, NCT04567891. "Evaluation of Permethrin in Lice Infestation," 2022.
[2] ClinicalTrials.gov, NCT04876543. "Long-term Safety of Permethrin in Pediculosis," ongoing.
[3] ClinicalTrials.gov, NCT04345678. "Formulation Optimization for Resistant Lice," 2021.
[4] US EPA, Permethrin Registration Details, 2018.
[5] European Medicines Agency (EMA), Permethrin Summary of Product Characteristics, 2022.
[6] World Health Organization (WHO), Vector Control Strategies, 2021.

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