NCT02497833

Brief Summary

The aim of the study is to investigate the effects of retinoic acid on the HDL-PON1 activity and cholesterol efflux capacity in hypercholesterolemic subjects.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
130

participants targeted

Target at P75+ for early_phase_1

Timeline
Completed

Started Nov 2014

Shorter than P25 for early_phase_1

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2014

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2015

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

July 8, 2015

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 15, 2015

Completed
Last Updated

July 15, 2015

Status Verified

July 1, 2015

Enrollment Period

6 months

First QC Date

July 8, 2015

Last Update Submit

July 10, 2015

Conditions

Outcome Measures

Primary Outcomes (1)

  • PON1 activity

    PON1 activity is assayed in HDL isolated from plasma of subjects from the placebo and retinoic acid groups by using UV spectrophotometry in a 96-well plate format using phenyl acetate or paraoxon as substrates.

    changes from baseline in PON1 activity at 12 weeks

Secondary Outcomes (1)

  • Lp-PLA2 activity

    changes from baseline in Lp-PLA2 activity at 12 weeks

Other Outcomes (1)

  • cholesterol efflux capacity

    changes from baseline in cholesterol efflux capacity at 12 weeks

Study Arms (2)

control

PLACEBO COMPARATOR

the participants in this arm are instruted to consume placebo capsules

Other: placebo

treatment

EXPERIMENTAL

the participants in this arm are instruted to consume retinoic acid capsules

Dietary Supplement: retinoic acid

Interventions

retinoic acidDIETARY_SUPPLEMENT

During the trial period, the participants are instructed to consume retinoic acid capsules twice daily (30 min after breakfast and supper).The retinoic acid capsules provided a total daily intake of 10 mg of retinoic acid.

treatment
placeboOTHER

During the trial period, the participants are instructed to consume placebo capsules twice daily (30 min after breakfast and supper).The placebo capsules are composed of starch and pigment.

control

Eligibility Criteria

Age25 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • subject has a fasting total cholesterol concentration between 200 and 310mg/dl.
  • subject is between 25 and 65 years of age, inclusive.
  • subjects' BMI is between 18.5 kg/m2 and 35 kg/m2.

You may not qualify if:

  • subject that is pregnant.
  • subject that has coronafy artery desease, diabetes mellitus, thyroid disorders, mental disorder, cancer, cirrhosis, renal disease and hepatic desease.
  • subject that has had operation less than six months prior to screening visit.
  • subject that is smoking.
  • subject uses any drugs that could influence the measurement of lipid paramerters or inflammatiory makers.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University (Northern Campus)

Guangzhou, Guangdong, 510080, China

Location

MeSH Terms

Conditions

Hypercholesterolemia

Interventions

Tretinoin

Condition Hierarchy (Ancestors)

HyperlipidemiasDyslipidemiasLipid Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

Vitamin ARetinoidsCarotenoidsPolyenesAlkenesHydrocarbons, AcyclicHydrocarbonsOrganic ChemicalsCyclohexenesCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicTerpenesDiterpenesPigments, BiologicalBiological Factors

Study Officials

  • Min Xia, PhD

    Sun Yat-sen University

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Doctor of Medicine

Study Record Dates

First Submitted

July 8, 2015

First Posted

July 15, 2015

Study Start

November 1, 2014

Primary Completion

May 1, 2015

Study Completion

May 1, 2015

Last Updated

July 15, 2015

Record last verified: 2015-07

Locations