NCT05503706

Brief Summary

The aim of this study was to investigate the changes in the scalp lipids and TEWL in dandruff subjects treated by 1% Selenium Disulfide (SeS2)/1% salicylic acid-based shampoo after an antidandruff treatment and after a remanence phase

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Sep 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 12, 2022

Completed
5 days until next milestone

First Posted

Study publicly available on registry

August 17, 2022

Completed
15 days until next milestone

Study Start

First participant enrolled

September 1, 2022

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2022

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2022

Completed
Last Updated

August 17, 2022

Status Verified

August 1, 2022

Enrollment Period

2 months

First QC Date

August 12, 2022

Last Update Submit

August 15, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Evaluate the change of squame quantity during the antidandruff treatment

    squame level clinical scoring evaluation (adherent squame, non-adherent squame and total squame).

    1 month

Secondary Outcomes (2)

  • Evaluate the change in scalp barrier function and lipids (glycerides, free fatty acids, squalene and peroxidized squalene) after the antidandruff treatment

    1 month

  • Evaluation of the scalp barrier function

    1 month

Interventions

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Subject with hair length \> 2 cm.
  • Subject exhibiting slight to severe dandruff state of scalp: Total dandruff score (adherent + non-adherent) ≥ 4 (ranging from 0 to 10) including and adherent dandruff score ≥ 2.5 (ranging from 0 to 5) and no limit for non-adherent dandruff score, after clinical examination 3 days after the last shampoo performed on D-3.
  • Subject with slight itching state of scalp: score before shampoo ≥3 (ranging from 0 to 9,) 3 days after the last shampoo performed on D-3.
  • Subject usually using a shampoo 3 times a week and accepting to follow this rate during the whole study period.
  • Subject usually using anti-dandruff products.
  • Subject agreeing not to use any other cosmetic product on the air (tonic,lacquer, gel, mousse) and not colouring or bleaching hair until the end of study

You may not qualify if:

  • Subject with hair length \> 2 cm.
  • Subject exhibiting slight to severe dandruff state of scalp: Total dandruff score (adherent + non-adherent) ≥ 4 (ranging from 0 to 10) including and adherent dandruff score ≥ 2.5 (ranging from 0 to 5) and no limit for non-adherent dandruff score, after clinical examination 3 days after the last shampoo performed on D-3.
  • Subject with slight itching state of scalp: score before shampoo ≥3 (ranging from 0 to 9,) 3 days after the last shampoo performed on D-3.
  • Subject usually using a shampoo 3 times a week and accepting to follow this rate during the whole study period.
  • Subject usually using anti-dandruff products.
  • Subject agreeing not to use any other cosmetic product on the air (tonic,lacquer, gel, mousse) and not colouring or bleaching hair until the end of study
  • Subject who has skin marks on the scalp that could interfere with the assessment (pigmentation trouble, scar elements…).
  • Subject who has used topic treatment for the scalp (anti-dandruff, antihairloss) or corticosteroid treatment (per os or topical) during the last two weeks before the start of the study.
  • Subject who has used products for the scalp (dyeing, bleaching, permanent waving and straightening …) within the 2 weeks prior to the study.
  • Subject with personal history of allergy and/or particular reactivity to antidandruff products.
  • Subject with personal history of allergy and/or adverse reactions to cosmetic products containing surfactant agents (soaps, shower gel, conditioner …)
  • Subject who has taken a drug containing lithium, corticoids, during the last month; anti-histaminic, anti-fungal, non-steroidal anti-inflammatory or immunosuppressive drugs during the last 7 days.
  • Subject who has taken retinoid acid (local or per os) since less than 6 months.
  • Subject with cutaneous affection of the scalp (psoriasis, atopic dermatitis, seborrheic dermatitis, alopecia …).
  • Subject affected by serious, non-stabilized or progressive disease (according to the investigator) as diabetes, hypertension, hypothyroidism or hyperthyroidism which may influence the evolution of studied cutaneous state and morphology.
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

DERMSCAN

Villeurbanne, 69100, France

Location

MeSH Terms

Conditions

Dandruff

Interventions

selenium disulfide

Condition Hierarchy (Ancestors)

DermatitisSkin DiseasesSkin and Connective Tissue DiseasesScalp Dermatoses

Study Officials

  • AUDREY GUENICHE, PHD

    L'Oreal

    STUDY CHAIR

Central Study Contacts

Philippe MASSIOT, pHD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 12, 2022

First Posted

August 17, 2022

Study Start

September 1, 2022

Primary Completion

November 1, 2022

Study Completion

December 1, 2022

Last Updated

August 17, 2022

Record last verified: 2022-08

Locations