Comparative Head Lice Therapy With Dimet 5® vs. Hedrin® Once (VEKODIH)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04878276 |
Recruitment Status :
Recruiting
First Posted : May 7, 2021
Last Update Posted : March 1, 2023
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Condition or disease | Intervention/treatment |
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Head Lice Infestation Pediculosis Capitis Lice | Device: Dimet 5 |
Study Type : | Observational |
Estimated Enrollment : | 240 participants |
Observational Model: | Other |
Time Perspective: | Prospective |
Official Title: | Randomised, Investigator-blinded, Controlled, Multicentre Comparative Study on the Treatment of Head Lice Infestation With 2 Dimeticone Preparations With Different Application Times and Compositions: Dimet 5® (100% Dimeticon) Versus Hedrin® Once Liquid Gel (4% Dimeticon + Nerolidol) |
Actual Study Start Date : | May 17, 2021 |
Estimated Primary Completion Date : | June 2023 |
Estimated Study Completion Date : | June 2023 |

Group/Cohort | Intervention/treatment |
---|---|
Dimet 5
Dimet 5 is a certified medical device for the treatment of head lice infestation. It contains only ("liquid") dimeticone oil and, when used correctly, enables physical killing of head lice and their eggs.
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Device: Dimet 5
The application is carried out according to the enclosed instructions for use. |
Hedrin Once Liquid Gel
Hedrin Once Liquid Gel is a certified medical product for the removal of head lice and nits. The liquid gel contains 4% dimethicone and nerolidol (Penetrol®).
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Device: Dimet 5
The application is carried out according to the enclosed instructions for use. |
- Freedom from infestation [ Time Frame: Day 17 to 21 ]Freedom from infestation of live head lice at the final examination (V2)

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Ages Eligible for Study: | 6 Months to 18 Years (Child, Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
Inclusion Criteria:
- Acute head lice infestation
- Age ≥ 6 months
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Adequate informed consent for study participation:
- Age-appropriate informed consent and verbal informed consent from the patient (if capable of both).
- Written informed consent from the legal guardian(s) (written and verbal).
Exclusion Criteria:
- Adults (≥ 18 years of age)
- Known hypersensitivity to any component of the test or comparator product.
- Scalp lice therapy in the previous 2 weeks (with an appropriate drug or medical device).
- Severe disease of the scalp or injuries/open wounds on the hairy head
- Secondary infection in the area of the hairy head
- Treatment with cotrimoxazole or trimethoprim in the last 4 weeks or new treatment to be initiated now
- Other relevant reasons, e.g. diseases or dysfunctions, which, in the opinion of the investigator, militate against the inclusion of the patient in the study (including risk factors for severe COVID-19 disease in the case of SARS-CoV-2 infection)
- Simultaneous participation of another household member in the trial.
- Previous participation in this trial
- Participation in another trial within the last 30 days
- Inability of the legal guardian(s) to understand the study content and instructions.
- Limited legal capacity of the legal guardian(s)
- Apparent unreliability or unwillingness to cooperate on the part of the legal guardian(s)
- Known alcohol, medication or drug dependency of the legal guardian(s)
- Dependence of the patient or guardian on the sponsor or investigator.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04878276
Contact: Beril Wachall | studien@infectopharm.com |
Germany | |
Dr. med. Thilo Heising | Active, not recruiting |
Aalen, Germany | |
Gemeinschaftspraxis Gilb/Bauer/von Bentzel | Recruiting |
Augsburg, Germany | |
Contact: Thomas Gilb, DM | |
Dr. med. Omar Esteban Fernandez Salgueiro | Active, not recruiting |
Balingen, Germany | |
Dr. med. Martin Wiesner | Active, not recruiting |
Berlin, Germany | |
Dr. med. Friedrich Kaiser | Active, not recruiting |
Hamburg, Germany | |
Dr. med. Ludwig Stapenhorst | Recruiting |
Hürth, Germany | |
Contact: Ludwig Stapenhorst, MD | |
Dr. med. Susanne Ludwig | Active, not recruiting |
Lübeck, Germany | |
Dr. med. Katrin Biebach | Active, not recruiting |
München, Germany | |
Simon Traub | Active, not recruiting |
Schweigen-Rechtenbach, Germany |
Responsible Party: | Infectopharm Arzneimittel GmbH |
ClinicalTrials.gov Identifier: | NCT04878276 |
Other Study ID Numbers: |
VEKODIH |
First Posted: | May 7, 2021 Key Record Dates |
Last Update Posted: | March 1, 2023 |
Last Verified: | February 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Lice Infestations Parasitic Diseases Ectoparasitic Infestations Skin Diseases, Parasitic |
Infections Skin Diseases, Infectious Skin Diseases |