NCT06170346

Brief Summary

Ultraviolet (UV) irradiation of the skin leads to acute inflammatory reactions such as erythema, sunburn, and chronic reactions, including premature skin aging and skin tumors. UV irradiation is a potent generator of oxidative stress in the skin. Exposure of mammalian skin to UV increases the cellular levels of reactive oxygen species, which damages lipids, proteins, and nucleic acids in both epidermal and dermal cells and contributes to the sunburn reaction as well as photocarcinogenesis and photoaging. In this study, the effects of a topical antioxidant on attenuating the harmful effects of UV irradiation on normal healthy volunteers were studied using biomarkers of skin damage. This study confirms the protective role of a unique mixture of antioxidants on human skin from the harmful effects of UV irradiation. We propose that antioxidant mixture will complement and synergize with sunscreens in providing photoprotection for human skin.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
11

participants targeted

Target at below P25 for phase_2

Timeline
Completed

Started Nov 2022

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

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

Study Start

First participant enrolled

November 1, 2022

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2023

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

December 6, 2023

Completed
8 days until next milestone

First Posted

Study publicly available on registry

December 14, 2023

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2024

Completed
Last Updated

April 8, 2025

Status Verified

April 1, 2025

Enrollment Period

9 months

First QC Date

December 6, 2023

Last Update Submit

April 6, 2025

Conditions

Keywords

Antioxidants

Outcome Measures

Primary Outcomes (5)

  • Erythema intensity

    Assessment of the erythema intensity using a spectrophotometer

    1 day

  • Sunburn cells

    Assessment of sunburn cells numbers in epidermis from skin tissue stained using Hematoxylin Eosin.

    1 day

  • MMP-9 expression

    Assessment of MMP-9 expression in epidermis from skin tissue stained using Immunohistochemistry.

    1 day

  • p53 expression

    Assessment of p53 expression in epidermis from skin tissue stained using Immunohistochemistry.

    1 day

  • Thymine dimer expression

    Assessment of thymine dimer expression in epidermis from skin tissue stained using Immunohistochemistry.

    1 day

Study Arms (3)

Antioxidant

EXPERIMENTAL

30 drops of topical antioxidants (Gluconolactone 4%, Hyaluronic acid 0,01%, Allantoin 0,1%, Ferulic acid 3%, Acetyl heptapeptide 0,001%, Silver vine extract 1%, Ectoine 0,01%, Hydroxyectoine 0,01%, and vehicle) will be applied on tested area on each participant for four consecutive days. On the fifth day, the subject will be irradiated on the tested area. After irradiation, erythema intensity and skin biopsy will be taken. Furthermore, skin tissue will be stained to see sunburn cells and assesses the expression of MMP-9, Thymine Dimer, and p-53 by immunohistochemistry.

Combination Product: Antioxidants

Vehicle

PLACEBO COMPARATOR

30 drops of topical vehicle (Aqua, Dipropylene glycol, Hydroxypropyl cyclodextrin, Polydextrose, 1,2-hexanediol, Butylene glycol, Propanediol, Caprylhydroxamic acid, Ethylhexylglycerin, Xanthan gum, Benzyl alcohol, Glyceryl caprylate, and Benzoic acid) will be applied on tested area on each participant for four consecutive days. On the fifth day, the subject will be irradiated on the tested area. After irradiation, erythema intensity and skin biopsy will be taken. Furthermore, skin tissue will be stained to see sunburn cells and assesses the expression of MMP-9, Thymine Dimer, and p-53 by immunohistochemistry.

Combination Product: Vehicle

Control

NO INTERVENTION

Skin without intervention and irradiation. Skin biopsy will be taken as a control. Skin tissue will be stained to see sunburn cells and assesses the expression of MMP-9, Thymine Dimer, and p-53 by immunohistochemistry.

Interventions

AntioxidantsCOMBINATION_PRODUCT

30 drops of topical antioxidants (Gluconolactone 4%, Hyaluronic acid 0,01%, Allantoin 0,1%, Ferulic acid 3%, Acetyl heptapeptide 0,001%, Silver vine extract 1%, Ectoine 0,01%, Hydroxyectoine 0,01%, and vehicle) will be applied on tested area on each participant for four consecutive days.

Antioxidant
VehicleCOMBINATION_PRODUCT

30 drops of topical vehicle (Aqua, Dipropylene glycol, Hydroxypropyl cyclodextrin, Polydextrose, 1,2-hexanediol, Butylene glycol, Propanediol, Caprylhydroxamic acid, Ethylhexylglycerin, Xanthan gum, Benzyl alcohol, Glyceryl caprylate, and Benzoic acid) will be applied on tested area on each participant for four consecutive days.

Vehicle

Eligibility Criteria

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

You may qualify if:

  • Males and females aged 18-60 years.
  • Skin types III and IV according to Fitzpatrick.
  • Normal back skin.

You may not qualify if:

  • Pregnant and lactating women.
  • History of photodermatosis, skin malignancies, skin diseases that can be exacerbated by light.
  • History of sun exposure to the back area in the past two weeks.
  • History of applying and taking antioxidants containing gluconolactone, hyaluronic acid, allantoin, ferulic acid, acetyl heptapeptide, silver vine extract, ectoine, and hydroxyectoine in the past 12 weeks.
  • History of taking photosensitizer drugs (malaria drugs, analgesics, antidepressants, systemic fungal drugs, chemotherapy) in the past eight weeks.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hasan Sadikin General Hospital

Bandung, West Java, 40161, Indonesia

Location

MeSH Terms

Interventions

Antioxidants

Intervention Hierarchy (Ancestors)

Biological FactorsMolecular Mechanisms of Pharmacological ActionPharmacologic ActionsChemical Actions and UsesProtective AgentsPhysiological Effects of DrugsSpecialty Uses of Chemicals

Study Officials

  • Reti Hindritiani, M.D., Ph.D

    Padjadjaran University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 6, 2023

First Posted

December 14, 2023

Study Start

November 1, 2022

Primary Completion

July 31, 2023

Study Completion

January 31, 2024

Last Updated

April 8, 2025

Record last verified: 2025-04

Locations