CClinicalTrials.gg
CompletedNCT05989633Updated Aug 14, 2023

DERCOS DS DANDRUFF TREATMENT OBSERVATIONAL STUDY 2022

An observational study in Dandruff, sponsored by Cosmetique Active International. Completed at 1 site in Poland. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2023-08-14.

Sponsored by Cosmetique Active International · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
5,131
Ages
12 Years and older
Sex
All
01

Study summary

The aim of this study is to evaluate the satisfaction / tolerance / cosmeticity of Dercos DS

02

Conditions studied

  • Dandruff

Keywords

  • dandruff
  • treatment satisfaction
03

In context

Lead sponsor

Cosmetique Active International is the lead sponsor of 54 studies on the registry; 13 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
12 Years and older
Sexes eligible
All
Sampling method
Non-probability sample

Study population

Subjects with dandruff or seborrheic dermatitis

Inclusion criteria

  • Patients with dandruff or seborrheic dermatitis
  • All hair types
  • All ethnicities (Asian, Caucasian, Afro-American, African, Hispanic)
  • Including patients with specific occlusion habits (for instance veil use at least 8 hours per day, hat use)
  • Patients willing to provide written informed consent

Exclusion criteria

Exclusion Criteria:

  • Under 12 years old
  • Pregnancy, breast feeding, childbearing potential without adequate contraception, or irregular menstrual cycles.
  • History of allergy, anaphylaxis or hypersensitivity to any of the ingredients of Shampoo any of the ingredients of DERCOS ANTI-DANDRUFF normal to oily hair shampoo
  • History of allergic contact dermatitis secondary to shampoo, conditioner, mask, and/or leave-in.
  • Has any clinical manifestations in the treatment(s) or other disorders that, in the opinion of the investigator, may affect the evaluations or results of the study products.- Inability to stay the study period (56 days +-5 days) without performing any hair/scalp procedure, including coloring, straightening and cutting.
  • Inability to attend all study visits and follow treatment regimen
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
5,131 participants (actual)
Patient registry
No

Interventions

  • OtherDermocosmetic product: Selenium Disluphide Shampoo (Dercos DS)

    to assess the benefit of Dercos DS in subjects with dandruff

06

What researchers measure

Primary outcomes

  1. Desquamation

    Scale (0=absence to 4= very severe)

    Time frame: Baseline

  2. Desquamation

    Scale (0=absence to 4= very severe)

    Time frame: Day 28

  3. Desquamation

    Scale (0=absence to 4= very severe)

    Time frame: Day 56

  4. Irritation

    Scale (0=absence to 4= very severe)

    Time frame: baseline

  5. Irritation

    Scale (0=absence to 4= very severe)

    Time frame: Day 28

  6. Irritation

    Scale (0=absence to 4= very severe)

    Time frame: Day 56

  7. Erythema

    Scale (0=absence to 4= very severe)

    Time frame: baseline

  8. Erythema

    Scale (0=absence to 4= very severe)

    Time frame: Day 28

  9. Erythema

    Scale (0=absence to 4= very severe)

    Time frame: Day 56

  10. Itching

    Scale (0=absence to 10= very severe)

    Time frame: baseline

  11. Itching

    Scale (0=absence to 10= very severe)

    Time frame: Day 28

  12. Itching

    Scale (0=absence to 10= very severe)

    Time frame: Day 56

  13. Area involved

    scale from \<10% to \>90%

    Time frame: baseline

  14. Area involved

    scale from \<10% to \>90%

    Time frame: Day 28

  15. Area involved

    scale from \<10% to \>90%

    Time frame: Day 56

  16. Tolerance

    scale from 0= none to 5=very tolerated

    Time frame: baseline

  17. Tolerance

    scale from 0= none to 5=very tolerated

    Time frame: Day 28

  18. Improvement

    scale from 0= worse to 5=very clearly improved

    Time frame: Day 28

  19. Improvement

    scale from 0= worse to 5=very clearly improved

    Time frame: Day 56

  20. Impact of dandruff on patient

    Scale from 0=not bothered at all to 5=very bothered

    Time frame: baseline

  21. Impact of dandruff on patient

    Scale from 0=not bothered at all to 5=very bothered

    Time frame: Day 28

  22. Impact of dandruff on patient

    Scale from 0=not bothered at all to 5=very bothered

    Time frame: Day 56

  23. Global evaluation by investigator

    Scale from 0=not at all satisfactory at all to 4=very satisfactory

    Time frame: Day 28

  24. Global evaluation by investigator

    Scale from 0=not at all satisfactory at all to 4=very satisfactory

    Time frame: Day 56

  25. Assessment of hair fiber and quality

    scale from 0=worsened to 4=very improved

    Time frame: Day 56

  26. Product respect/protects hair fiber

    scale from 0=no, it is now more damaged/dry than before the treatment to 3=Yes, my hair fiber looks/feels better than before the treatment

    Time frame: Day 56

  27. Patient product efficacy satisfaction

    questionnare with scale ranging from 0=completely disagree to 5=completely agree

    Time frame: Day 28

  28. Patient product efficacy satisfaction

    questionnare with scale ranging from 0=completely disagree to 5=completely agree

    Time frame: Day 56

  29. Patient product acceptability

    scale ranging from 0=not satisfied at all to 10=very satisfied

    Time frame: Day 28

  30. Patient product acceptability

    scale ranging from 0=not satisfied at all to 10=very satisfied

    Time frame: Day 56

  31. Patient global satisfaction

    scale ranging from 0=not satisfied at all to 10=very satisfied

    Time frame: Day 28

  32. Patient global satisfaction

    scale ranging from 0=not satisfied at all to 10=very satisfied

    Time frame: Day 56

07

Study locations

1 site
  • Marta Sar Pormian
    Warsaw, Poland
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 14, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05989633
Lead sponsor
Cosmetique Active International
Responsible party
Sponsor
First posted
Aug 14, 2023
Start date
Jul 4, 2022
Primary completion
Jun 29, 2023
Completion
Jun 29, 2023
Last update
Aug 14, 2023

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Aug 2023. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion