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NCT Number: NCT03216265

A Proof of Concept Clinical Study to Investigate the Effects of an Experimental Cosmetic Moisturiser on the Barrier Function of Human Skin on the Face and Forearm

The objective of this POC clinical study is to investigate the impact of the test product (Developmental Cosmetic Moisturising Cream) on skin barrier function and skin moisturisation on the forearm and face after 4 weeks of twice daily application compared to no treatment in participants with dry sensitive skin.

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Key information

Conditions

Skin Care

Age range

18 year–65 year

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

GSK Investigational Site

Schenefeld, Schleswig-Holstein, 22869, Germany

About this study

Areas on the volar forearm and each side of the face, will be selected for measurements of transepidermal water loss (TEWL) and corneometry to be conducted . A physical challenge and a regression period of 5 days is also included to evaluate skin barrier function and moisturisation.

A regression period of 5 days (Days 30, 31, 32, 33 and 34) of no study product use following the 4 week treatment phase is also included to evaluate skin barrier function and moisturisation.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Demonstrates understanding of the study procedures, restrictions and willingness to participate as evidenced by voluntary written informed consent and has received a signed and dated copy of the informed consent form.
  • Good general and mental health with, in the opinion of the investigator or medically qualified designee no clinically significant and relevant abnormalities in medical history or upon physical examination.
  • Self-reported dry, sensitive skin on the face and body.
  • Agreement to comply with the procedures and requirements of the study and to attend the scheduled assessment visits.
  • Trained examiner visual grading assessment score (including subject self-assessment of tightness) of overall dryness ≥ 3 with a score of at least 1 in the roughness parameter and 4 (for any individual parameter) on each of the forearms and each side of the face at the Screening visit (Visit 1) and Baseline visit (Visit 2).
  • In addition, there will be no greater than 0.5 point difference between trained examiner visual grading scores of each volar forearm and each side of the face at the Screening and Baseline visits.
  • Fitzpatrick skin type I-IV

Exclusion criteria

  • Women who are known to be pregnant or who are intending to become pregnant over the duration of the study.
  • Women who are breast-feeding.
  • Any history of significant dermatological diseases or conditions or medical conditions known to alter skin appearance or physiologic response (e.g. diabetes) which could, in the opinion of the Investigator, preclude topical application of the investigational products and/or interfere with the evaluations.
  • Presence of open sores, pimples, or cysts at the application site.
  • Active dermatosis (local or disseminated) that might interfere with the results of the study.
  • Considered immune compromised.
  • Currently using any medication which in the opinion of the investigator, may affect the evaluation of the study product, or place the subject at undue risk.
  • Use of the following topical or systemic medications: immunosuppressants, antihistamines, non-hormonal anti-inflammatory drugs, and corticosteroids up to 2 weeks before screening visit.
  • Intention of using any oral or topical steroids.
  • Regular use of inhaled steroids (occasional use is permitted).
  • Regular use of topical anti-itch medications (occasional use permitted; the product should be applied with an applicator but not to the proposed application areas.
  • Use of any topical drug or medication in the proposed application areas.
  • Intention of being vaccinated during the study period or has been vaccinated within 3 weeks of the screening visit.
  • Currently receiving allergy injections, or received an allergy injection within 7 days prior to Visit 1, or expects to begin injections during study participation.
  • Previous history of atopy, allergic reactions, irritation or intense discomfort feelings to topical-use products, cosmetics or medication.
  • Known or suspected intolerance or hypersensitivity to any of the study materials (or closely related compounds) or any of their stated ingredients.
  • Participation in another clinical study (including cosmetic studies) or receipt of an investigational drug within 14 days of the screening visit.
  • Previous participation in this study.
  • Recent history (within the last 5 years) of alcohol or other substance abuse.
  • Smoker (including e-cigarettes)
  • Moles, tattoos, scars, hairs, etc. at the test areas if it is likely that they could affect the assessments.
  • Subject has visible sunburn on the test sites.
  • Use of self-tanning products on the test areas (face and arms) within 2 weeks prior to the screening visit.
  • Any individual parameter score 4 on any test areas of the face or either of the forearms as assessed by a trained examiner.
  • Any Subject who, in the judgment of the Investigator, should not participate in the study.
  • An employee of the sponsor or the study site or members of their immediate family.

Treatment and study plan

Test product (Moisturising cream)

Other

Participants will be instructed to apply their assigned product to the randomly assigned sites twice daily (in the morning and evening).

Positive control (Commercial market place moisturising cream)

Other

Participants will be instructed to apply their assigned product to the randomly assigned sites twice daily (in the morning and evening).

No treatment

Other

No treatment.

Primary outcomes

  1. Change From Baseline in Transepidermal Water Loss (TEWL) Measurements on Day 29, Test Product Treated Versus (vs.) Untreated Sites on the Forearm

    Time frame: At Baseline and Day 29

    TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 seconds (sec), to ensure that a stable value has been established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

Secondary outcomes

  1. Change From Baseline in Transepidermal Water Loss (TEWL) Measurements on Day 29, Test Product Treated vs. Untreated Sites on the Face

    Time frame: At Baseline and Day 29

    TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value has been established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

  2. Change From Baseline in Corneometry on the Forearm and Face, Test Product Treated vs. Untreated Sites

    Time frame: At Baseline, Day 1 (30 minutes and 6 hours post study product application), Day 2, 15, and 29

    Corneometry was used to measure moisture content of stratum corneum using corneometer. The measuring principle is based on changes in the capacitance of the measuring head, functioning as a condensator. Between the conductors of the probe an electrical field was built which allows the dielectricity of the stratum corneum to be measured. Because the dielectricity of the skin varies as a function of its water content. The Corneometer measurements was taken 5 times in total and then an average reading was calculated for each site and time point. An increase in corneometry values indicates an increase in the hydration status of the skin and vice versa.

  3. Change From Baseline in Transepidermal Water Loss (TEWL) on the Forearm and Face, Test Product Treated vs. Untreated Sites at Day 2 and 15

    Time frame: At Baseline, Day 2, and 15

    TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value has been established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

  4. Standardised Area Under Curve (AUC1-29) of Change From Baseline in Corneometry Over Treatment Period

    Time frame: Up to Day 29

    Standardised AUC1-29 was calculated for each participant for change from baseline in corneometry on forearms and face over the treatment period; i.e. up to Day 29 using the trapezoidal rule and dividing by the number of days in the period. Corneometry was used to measure moisture content of stratum corneum using corneometer. The measuring principle is based on changes in the capacitance of the measuring head, functioning as a condensator. Between the conductors of the probe an electrical field was built which allows the dielectricity of the stratum corneum to be measured. Because the dielectricity of the skin varies as a function of its water content. The Corneometer measurements was taken 5 times in total and then an average reading was calculated for each site and time point. An increase in corneometry values indicates an increase in the hydration status of the skin and vice versa.

  5. Standardised Area Under Curve (AUC1-29) of Change From Baseline in Transepidermal Water Loss (TEWL) Over Treatment Period

    Time frame: Up to Day 29

    Standardised AUC1-29 was calculated for each participant for change from baseline in TEWL on forearms and face over the treatment period; i.e. up to Day 29 using the trapezoidal rule and dividing by the number of days in the period. TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value has been established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

  6. Change From Pre-challenge in Transepidermal Water Loss (TEWL) Measurements of D-Squame Discs Following 4, 8 and 12 Adhesive Discs Removal From Skin of Both Test Product Treated and Untreated Sites on the Forearm on Day 29

    Time frame: On Day 29 (including Pre-challenge)

    A series of D-Squame discs were gently smoothed over the designated D-Squame Areas by applying a uniform pressure for 5 secs with a stamp to ensure consistent adhesion to the skin. Each disc was pulled off the skin with one fluent and decisive movement. There were maximum of 12 D-Squame discs (in groups of 4) removed from each forearm repeatedly. TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value has been established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. TEWL was measured pre-challenge and after 4, 8 and 12 discs have been removed from the forearms. An increase in TEWL values shows damage to the skin barrier function.

  7. Change From Pre-challenge in Transepidermal Water Loss (TEWL) Measurements of D-Squame Discs Following 3, 6 and 9 Adhesive Discs Removal From Skin of Both Test Product Treated and Untreated Sites on the Face on Day 29

    Time frame: On Day 29 (including Pre-challenge)

    A series of D-Squame discs were gently smoothed over the designated D-Squame Areas by applying a uniform pressure for 5 secs with a stamp to ensure consistent adhesion to the skin. Each disc was pulled off the skin with one fluent and decisive movement. There were maximum of 9 D-Squame discs (in groups of 3) removed from the face repeatedly. TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value has been established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. TEWL was measured pre-challenge and after 3, 6 and 9 discs have been removed from the face. An increase in TEWL values shows damage to the skin barrier function.

  8. Protein Analysis (SquameScan) of D-Squame Discs (Total of 12 Adhesive Discs) From Skin of Both Test Product Treated and Untreated Sites on the Forearm on Day 29

    Time frame: On Day 29

    The protein content of each D-Squame disc was analysed using a SquameScan. SquameScan is the instrument used to indirectly measure the protein content extracted from the skin by D-squame tape strips. The determination was performed by measuring the optical absorption of the strip at about 850 nanometres (nm) (infrared light). The value displayed in % was proportionally related to the protein content. The protein content was analysed for each of the discs obtained the D-Squame stripping on the forearms and reported to 2 decimal places.

  9. Protein Analysis of D-Squame Discs (Total of 9 Adhesive Discs) From Skin of Both Test Product Treated and Untreated Sites on the Face on Day 29

    Time frame: On Day 29

    The protein content of each D-Squame disc was analysed using a SquameScan. SquameScan is the instrument used to indirectly measure the protein content extracted from the skin by D-squame tape strips. The determination was performed by measuring the optical absorption of the strip at about 850 nm (infrared light). The value displayed in % was proportionally related to the protein content. The protein content was analysed for each of the discs obtained the D-Squame stripping on the face and reported to 2 decimal places.

  10. Change From Baseline in Transepidermal Water Loss (TEWL) Measurements on Days 30, 31, 32, 33 and 34 in Test Product Treated vs. Untreated Sites on the Forearm and Face

    Time frame: At Baseline, Day 30, 31, 32, 33 and 34

    TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value was established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

  11. Change From Day 29 in Transepidermal Water Loss (TEWL) Measurements on Days 30, 31, 32, 33 and 34 in Test Product Treated vs. Untreated Sites on the Forearm and Face

    Time frame: At Day 30, 31, 32, 33, and 34

    TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value was established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

  12. Change From Baseline in Standardised Area Under Curve (AUCday 29-34) of Transepidermal Water Loss (TEWL) Over Regression Period (Days 30, 31, 32, 33 and 34) of Forearm and Face, Test Product Treated vs. Untreated Sites

    Time frame: Up to Day 34

    Standardised AUCday29-34 was calculated for each participant for change from baseline in TEWL on forearms and face over the regression period (Day31, 32, 33 and 34) using the trapezoidal rule and dividing by the number of days in the period. TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value was established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

  13. Change From Day 29 in Standardised Area Under Curve (AUCday 29-34) of Transepidermal Water Loss (TEWL) Over Regression Period (Days 30, 31, 32, 33 and 34) of Forearm and Face, Test Product Treated vs. Untreated Sites

    Time frame: Up to Day 34

    Standardised AUCday29-34 was calculated for each participant for change from Day 29 in TEWL on forearms and face over the regression period (Day31, 32, 33 and 34) using the trapezoidal rule and dividing by the number of days in the period. TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value was established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 secs were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

  14. Change From Baseline in Corneometry Measurements on Days 30, 31, 32, 33 and 34 in Test Product Treated Site vs. Untreated Site on the Forearm and Face

    Time frame: At Baseline, Day 30, 31, 32, 33, and 34

    Corneometry was used to measure the moisture content of stratum corneum using corneometer. The measuring principle is based on changes in the capacitance of the measuring head, functioning as a condensator. Between the conductors of the probe an electrical field was built which allows the dielectricity of the stratum corneum to be measured. Because the dielectricity of the skin varies as a function of its water content. The Corneometer measurements were taken 5 times in total and then an average reading was calculated for each site and time point. An increase in corneometry values indicates an increase in the hydration status of the skin and vice versa.

  15. Change From Day 29 in Corneometry Measurements on Days 30, 31, 32, 33 and 34 in Test Product Treated Site vs. Untreated Site on the Forearm and Face

    Time frame: At Day 29, 30, 31, 32, 33, and 34

    Corneometry was used to measure the moisture content of stratum corneum using corneometer. The measuring principle is based on changes in the capacitance of the measuring head, functioning as a condensator. Between the conductors of the probe an electrical field was built which allows the dielectricity of the stratum corneum to be measured. Because the dielectricity of the skin varies as a function of its water content. The Corneometer measurements were taken 5 times in total and then an average reading was calculated for each site and time point. An increase in corneometry values indicates an increase in the hydration status of the skin and vice versa.

  16. Standardised Area Under Curve (AUCday29-34) Calculated Using Change From Baseline in Corneometry Over Regression Period (Days 30, 31, 32, 33 and 34) on the Forearm and Face

    Time frame: Up to Day 34

    Standardised AUCday29-34 was calculated for each participant for change from baseline in corneometry on forearms and face over the regression period using the trapezoidal rule and dividing by the number of days in the period. Corneometry was used to measure moisture content of stratum corneum using corneometer. The measuring principle is based on changes in the capacitance of the measuring head, functioning as a condensator. Between the conductors of the probe an electrical field was built which allows the dielectricity of the stratum corneum to be measured. Because the dielectricity of the skin varies as a function of its water content. The Corneometer measurements was taken 5 times in total and then an average reading was calculated for each site and time point. An increase in corneometry values indicates an increase in the hydration status of the skin and vice versa.

  17. Standardised AUC Calculated Using Change From Day 29 in Corneometry Over Regression Period (Days 30, 31, 32, 33 and 34) on the Forearm and Face

    Time frame: Up to Day 34

    Standardised AUCday29-34 was calculated for each participant for change from day 29 in corneometry on forearms and face over the regression period using the trapezoidal rule and dividing by the number of days in the period. Corneometry was used to measure the moisture content of stratum corneum using corneometer. The measuring principle is based on changes in the capacitance of the measuring head, functioning as a condensator. Between the conductors of the probe an electrical field was built which allows the dielectricity of the stratum corneum to be measured. Because the dielectricity of the skin varies as a function of its water content. The Corneometer measurements were taken 5 times in total and then an average reading was calculated for each site and time point. An increase in corneometry values indicates an increase in the hydration status of the skin and vice versa.

  18. Change From Baseline in Transepidermal Water Loss (TEWL) Measurements on Day 29 of Positive Control Treated Site vs. Untreated Site on the Forearm.

    Time frame: At Baseline and Day 29

    TEWL measuring principle is based on water vapour gradient determination between two pairs of sensors placed at different distances perpendicularly to the skin. The probe was held in place on the skin for one measurement, for approximately 40 secs, to ensure that a stable value has been established. The first part of the measurement belongs to the equilibration phase. The values of the last 10 seconds were averaged as the actual measurement values. An increase in TEWL values shows damage to the skin barrier function.

Sponsors and collaborators

Lead sponsor

GlaxoSmithKline

Industry

Registry information

Official study title

A Proof of Concept (POC) Clinical Study to Investigate the Effects of a Developmental Cosmetic Moisturising Cream on the Barrier Function of Human Skin on the Face and Forearm

Important dates

Study start
2017
Primary completion
2017
Study completion
2017
First posted
Jul 13, 2017
Registry last updated
Apr 18, 2019

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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