Clinical trial registry record

Retinol on Human Skin Aging in East Asian Descent

A registered PHASE4 study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Completed.
Evidence
Registered phase 4 study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated April 16, 2019.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT02906566
Last registry update
April 16, 2019
Status
Completed
Phase
Phase 4
Sponsor
Stanford University
Enrollment
110
Countries
United States
Match confidence
100%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered PHASE4 study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase 4
Study design
RANDOMIZED · PARALLEL · OTHER · DOUBLE
Evidence population
Human clinical study registration
Participants
110
Population
FEMALE · 18 Years to 75 Years
Duration
2015-11-01 to 2018-03-09
Intervention
Retinol; Placebo
Comparator
Young Group Ages 18-25
Outcomes measured
Number of Genes Upregulated or Downregulated as Assessed by RNA Sequencing (Older Group, Retinol Versus Placebo) — Week…; Number of Genes Upregulated or Downregulated as Assessed by RNA Sequencing (Younger Group Versus Older Group as Baselin…; Transepidermal Water Loss — Baseline; Week 12; Severity of Arm Skin Wrinkling — Baseline; Week 12; Elasticity on Arm Skin — Baseline; week 12; Count of Participants With Skin and Subcutaneous Adverse Events as a Measure of Type and Severity of Adverse Events — B…
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase 4A trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 100% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Skin ageing · 100%Title contains controlled term: skin aging. Abstract contains controlled term: skin aging. Title supplies longevity context: aging. Study type is explicitly identified as INTERVENTIONAL.

Automated source check 100% · update recency 50%. These figures help sort records; they are not medical ratings.

skin aging
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