Skip to main content
OpenTrials
Completed

NCT Number: NCT00541931

Pilot Investigation of a Multinutrient Supplement on Skin Aging and Aging Metabolites in Healthy Women

We are seeking healthy female volunteers to determine if multinutrient supplementation affects visible signs of skin aging as well as blood measurements of aging. We are seeking smokers and non-smokers.

Completed

Looking for future studies?

Notify Me

Key information

Age range

18 year–70 year

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Stanford University School of Medicine

Stanford, California, 94305, United States

About this study

Skin antioxidant levels as well as blood metabolites may change as the human body ages1,2. Although the chronological aging process is unstoppable, the physical signs of aging, particularly characteristics of the skin, may be delayed through a variety of medical interventions such as topical medications or resurfacing lasers. It is not currently known whether skin carotenoid antioxidant levels correlate with skin aging characteristics, although studies with other antioxidants suggest this may be true 3. In addition, while selected blood metabolites correlate with changes in age2, we do not know if this correlates with skin changes. Our current study focuses on whether differences in skin carotenoid levels and blood metabolite levels correlate with skin aging characteristics in age-matched subjects. Furthermore, we will explore whether three months consumption with a commercial multi-nutrient formulation (LifePak Nano) affects metabolic markers of aging, skin aging characteristics including skin elasticity and transepidermal water loss. We will also examine whether smokers respond differently from nonsmokers in the above parameters after supplementation.

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

- Fitzpatrick Skin type I or II

  • Nonpregnant Females, age 18-30 or 50-70
  • Body Mass Index Normal or Overweight
  • If age 18-30, must be non-smoker
  • Willing to fast for 8 hours prior to a blood draw; Exclusion Criteria:- History of cosmetic surgery
  • Use of anti-aging medications within 3 months of enrollment
  • Use of over-the-counter anti-aging creams (not sunscreens) more than once per week within one month of enrollment
  • Use of dietary supplements including vitamins within one month of enrollment
  • Use of tanning beds or excessive UV exposure (greater than 2 hours per day) within one month of enrollment
  • Use of sunless tanners within one month of enrollment
  • Uncontrolled or ongoing serious medical condition
  • Participation in another clinical study involving use of an investigational drug or product
  • Medical condition which, at the discretion of the investigator, will have a significant impact on ability to judge participant's skin characteristics, including age.

Treatment and study plan

Dietary Supplement: LifePak Nano

Drug

Daily use

Other names: Life Pak Nano

Primary outcomes

  1. Fold Change in Long Chain Fatty Acids

    Time frame: Baseline; Week 12

    Peripheral blood long chain fatty acids were measured. Fold change of 1 = no difference; if metabolites decrease at week 12 from baseline, the fold change will be <1.

  2. Change in Fine Wrinkling

    Time frame: Baseline; week 12

    Assessed by 4 dermatologists blinded to chronological age and smoking status, on a 10-point Likert scale (min 1/max 10); lower scores indicate less wrinkling and higher scores indicate more wrinkling. Values are the average of scores given by the four raters. Change was calculated as the baseline value minus the week 12 value.

Sponsors and collaborators

Lead sponsor

Stanford University

Other

Collaborators

  • Nu Skin Enterprises

Registry information

Important dates

Study start
2007
Primary completion
2008
Study completion
2012
First posted
Oct 10, 2007
Registry last updated
Nov 20, 2017

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.

Published trials that share one or more normalized conditions with this study.