Clinical trials: Phototype
Photobiomodulation Therapy, Phototype
Light Reflection on Human Skin in Whole-Body Photobiomodulation Therapy
Photobiomodulation therapy (PBMT) is based on exposing biological tissues to low-intensity light, with effects depending on the light-tissue interaction.
- Trial name
- NCT06866522
- Testing
- Whole-body Photobiomodulation Therapy
- Where
- Brazil
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Sao Carlos
Healthy Subjects, Male or Female, of 18-60 Years Old, With Phototype I, II or III, Not Pre-treated/Pre-protected Skin
Performance of Different Application Regimens of ACTINICA® on Protection From UVR-induced Erythema After One Day of Sun Exposure in Fair-skinned Healthy Subjects.
Study objective To assess the performance of different application regimens of Actinica® on protection from UV rays-induced erythema throughout 1 day of sun exposure in fair-skinned healthy subjects (phototype I to III).
- Trial name
- NCT02251756
- Testing
- Actinica, 0.8 mg/cm2, 1 application, Actinica, 0.8 mg/cm2, 2 applications, Actinica, 2 mg/cm2, 1 application
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Galderma R&D
Acne Vulgaris
Subject Reported Outcomes With Use of Adapalene 0.3% - Benzoyl Peroxide (BPO) 2.5% in Dark Skin Acne
This is a multicenter open-label, prospective study in subjects with dark skin from one of the 3 ethnic/race backgrounds: Asian, Latin American and Black/African-American and with moderate to severe acne vulgaris on the face.
- Trial name
- EDeN (NCT02932267)
- Testing
- Adapalene 0.3% / BPO 2.5% gel
- Where
- 3 sites in United States, Mauritius and 1 more
- Volunteers
- 50 people
- Sponsor
- Galderma R&D
Healthy
Influence of Fitzpatrick Skin Phototype and Body Mass Index on Non-invasive Optoacoustic Imaging
Multispectral Optoacoustic Tomography (MSOT) is a promising imaging technology that utilizes pulsed laser light. While melanin content in the skin has been reported to influence light-based measurements in pulse oximetry and…
- Trial name
- NCT06541496
- Testing
- Multispectral Optoacoustic Tomography (MSOT)
- Where
- Germany
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Critical Illness, Low Peripheral Perfusion
Local Warming to Improve Pulse Oximetry Accuracy in Critically Ill Patients
Pulse oximeters are widely used in intensive care to continuously estimate the oxygen level in the blood. However, pulse oximeter measurements may be less accurate when blood flow to the fingers is poor, which is common in…
- Conditions
- Critical Illness, Low Peripheral Perfusion, Pulse Oximetry Accuracy
- Trial name
- PULSEWARM (NCT07792304)
- Testing
- Protocolized Local Warming
- Where
- 4 sites in Sweden
- Volunteers
- 240 people
- Sponsor
- Vastra Gotaland Region
Skin Diseases
Adaption of the Skin Sun Sensitivity Scale
Determining Fitzpatrick skin phototypes (FST) allows physicians to assess a person's risk of developing sunburn, and thus the need for sun protection to prevent the development of skin cancer.
- Trial name
- NCT01975038
- Where
- United States
- Volunteers
- 292 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Healthy
Avene Compact Honey for Prevention of Pigmentation From Visible Light
The main objective of the study is to assess the efficacy of Avène Compact Honey in preventing pigmentation induced by visible light in subjects with a phototype III or IV.
- Trial name
- NCT01448122
- Testing
- Avene Compact Honey SPF 50
- Where
- Canada
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Pierre Fabre Dermo Cosmetique
Healthy Population (HP)
High-quality Image (NIR and RGB) Dataset Synchronized With Contact Vital Sings Recordings and Clinical Data of Stratified Healthy Population. Algorithms and AI Models to Obtain a Set of Vital Signs Image-based.
The objective of this study is to collect an image dataset of healthy and pathological population with a characterization of the potential factors that may influence the methodologies used to obtain vital signs.
- Trial name
- FREJYA/IBV (NCT05947721)
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Instituto de Biomecanica de Valencia
Skin Pigmentation, Free Radicals
EPR (Electron Paramagnetic Resonance) as Method of Non-invasive Characterization of Melanin Content in Skins With Different Phototypes
The aim of this study is to assess the signal of melanin using Electron Paramagnetic resonance (EPR). Melanin is a paramagnetic pigment detectable by EPR.
- Conditions
- Skin Pigmentation, Free Radicals, Phototype, Magnetic Resonance
- Trial name
- NCT04270903
- Testing
- EPR measurement
- Where
- Belgium
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
Sensitive Skin
TRPV Expression in Subjects With Sensitive Skin
Sensitive skin syndrome is defined as the presence of burning, itching or any other unpleasant sensation on the skin, due to physical, chemical or psychological factors.
- Trial name
- NCT01871883
- Testing
- Skin biopsy, Oral mucosa specimen
- Where
- Mexico
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de San Luis Potosí
Acne, Postinflammatory Hyperpigmentation
A Combination Treatment Reduces Acne Severity and PIHP
Acne is a chronic, inflammatory skin condition. It may cause scars and post-inflammatory hyperpigmentation (PIHP). PIHP frequently affects individuals with a phototype of IV or above.[1] PIHP is worsened by UV radiation, lasts…
- Trial name
- NCT05601960
- Testing
- anti-acne dermocosmetic
- Where
- United Arab Emirates
- Volunteers
- 1,785 people
- Sponsor
- Cosmetique Active International
Skin Ageing, Skin
Skin Type Determination Using Image Artificial Intelligence
Skin color, how easily a person burns or tans in the sun (skin phototype), and the amount of chronic sun damage in the skin are important factors in skin health.
- Trial name
- SPAI (NCT07765303)
- Testing
- Skin imaging and skin characteristic assessment
- Where
- 13 sites in Australia, Brazil and 9 more
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Region Skane
Erythema
Melanin Index in Those With Fitzpatrick Skin Phototypes I-VI
The "gold standard" method of assessing skin pigmentation is spectrophotometry; however, even as early as 1961 the potential for confounding by dilatation of blood vessels was recognized.
- Trial name
- Melanin Index (NCT01124513)
- Testing
- Induced Erythema
- Where
- United States
- Volunteers
- 270 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Healthy
Assessment of the Effect of the Product RV2666C Formula LA2984 Compared to an Untreated Area With an Epidermally Ablated Skin Model Obtained With an Erbium YAG Laser on Adults Presenting IV to VI Skin Phototype
In this study, we assess the efficacy of a cosmetic product in adults with IV to VI skin phototype. This study is conducted as a monocentric, controlled, compared with an untreated area and randomized for the area of product…
- Trial name
- NCT07166484
- Testing
- Cosmetic product RV2666C LA2984
- Where
- France
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Pierre Fabre Dermo Cosmetique
Healthy Volunteers
Cutaneous DNA Damage Caused by UV-A Irradiation
The DIMUVA study aims to evaluate the correlation between cutaneous phototype and the nature and quantity of damage caused to cutaneous DNA after exposure to UV-A radiation.
- Trial name
- DIMUVA (NCT00864955)
- Testing
- UVA and UVB irradiation
- Where
- 2 sites in France
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Facial Wrinkles
Safety and Effectiveness of Belotero® in Subjects With Fitzpatrick Phototypes IV Through VI
This is a study to assess how safe and effective an investigational product, Belotero® is in people with all skin types with facial wrinkles, such as nasolabial folds.
- Trial name
- NCT00922623
- Testing
- Belotero®
- Where
- 3 sites in United States
- Volunteers
- 93 people
- Sponsor
- Merz North America, Inc.
Narrowband Ultraviolet B-Induced Skin Erythema, Erythema
Mangosteen Gel for Sunburn-Like Skin Redness Caused by Ultraviolet B Light
The goal of this clinical trial was to learn whether a gel made from mangosteen (Garcinia mangostana) fruit rind helps sunburn-like skin redness fade faster when it is applied after the redness has already appeared.
- Conditions
- Narrowband Ultraviolet B-Induced Skin Erythema, Erythema, Sunburn, Erythema
- Trial name
- NCT07849842
- Testing
- Topical Garcinia mangostana Pericarp Extract Gel 2.5%, Topical Garcinia mangostana Pericarp Extract Gel 5%, Topical Garcinia mangostana Pericarp Extract Gel 10%
- Where
- Indonesia
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Hasanuddin University
Hyperpigmentation
Fractionated 1927nm Laser for Hyperpigmentation in Fitzpatrick Skin Phototypes V and VI
The primary objective of this study is to assess the efficacy of 1927nm non-ablative fractionated laser therapy to treat hyperpigmentation in patients ages 18-75 with Fitzpatrick Skin Phototypes V and VI and explore an effective…
- Trial name
- NCT05493280
- Testing
- MOXI
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center