NCT03116711

Brief Summary

The purpose of this study is to determine the effects of diet type selection based on response to a Carbohydrate Intolerance Questionnaire (CIQ) and genetic screening on success to a weight loss and exercise program.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
51

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2013

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, 2013

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2015

Completed
1.7 years until next milestone

First Submitted

Initial submission to the registry

March 29, 2017

Completed
19 days until next milestone

First Posted

Study publicly available on registry

April 17, 2017

Completed
Last Updated

April 17, 2017

Status Verified

March 1, 2017

Enrollment Period

1.7 years

First QC Date

March 29, 2017

Last Update Submit

April 11, 2017

Conditions

Outcome Measures

Primary Outcomes (11)

  • Effects of diet selection on physical activity patterns changes (steps per day)

    24 weeks

  • Effects of diet selection on body weight changes (pounds)

    24 weeks

  • Effects of diet selection on hip/waist ratio changes (inches)

    24 weeks

  • Effects of diet selection on Resting Energy Expenditure (REE) changes (calories per day)

    24 weeks

  • Effects of diet selection on Blood Pressure (BP) changes (mmHG)

    24 weeks

  • Effects of diet selection on Heart Rate (HR) changes (beats per minute)

    24 weeks

  • Effects of diet selection on body composition (DXA) changes (percent fat mass)

    24 weeks

  • Effects of diet selection on Bioelectrical Impedance Analysis (BIA) changes (flow impedance)

    24 weeks

  • Effects of diet selection on a chemistry-15 blood panel changes

    24 weeks

  • Effects of diet selection on a cell blood count (CBC) blood panel changes

    24 weeks

  • Effects of diet selection on lipid panel changes

    24 weeks

Secondary Outcomes (5)

  • Effects of diet selection on maximal cardiopulmonary capacity changes (ml/kg/min)

    24 weeks

  • Effects of diet selection on muscular strength through a 1 repetition maximum (1 RM) test

    24 weeks

  • Effects of diet selection on muscular endurance through a maximal repetition test

    24 weeks

  • Effects of diet selection on gene expression changes

    24 weeks

  • Effects of diet selection on DNA methylation changes

    24 weeks

Study Arms (4)

Positive CIQ plus High Carbohydrate Diet

ACTIVE COMPARATOR

Positive Carbohydrate Intolerance Questionnaire (CIQ) plus 30% carbohydrate, 45% protein, 25% fat diet

Other: Positive CIQ plus High Carbohydrate Diet

Positive CIQ plus High Protein Diet

ACTIVE COMPARATOR

Positive Carbohydrate Intolerance Questionnaire (CIQ) plus 20% carbohydrate, 45% protein, 35% fat diet

Other: Positive CIQ plus High Protein Diet

Negative CIQ plus High Carbohydrate Diet

ACTIVE COMPARATOR

Negative Carbohydrate Intolerance Questionnaire (CIQ) plus 30% carbohydrate, 45% protein, 25% fat diet

Other: Negative CIQ plus High Carbohydrate Diet

Negative CIQ plus High Protein Diet

ACTIVE COMPARATOR

Negative Carbohydrate Intolerance Questionnaire (CIQ) plus 20% carbohydrate, 45% protein, 35% fat diet

Other: Negative CIQ plus High Protein Diet

Interventions

Positive Carbohydrate Intolerance Questionnaire plus High Carbohydrate Diet

Positive CIQ plus High Carbohydrate Diet

Positive Carbohydrate Intolerance Questionnaire plus High Protein Diet

Positive CIQ plus High Protein Diet

Negative Carbohydrate Intolerance Questionnaire plus High Carbohydrate Diet

Negative CIQ plus High Carbohydrate Diet

Negative Carbohydrate Intolerance Questionnaire plus High Protein Diet

Negative CIQ plus High Protein Diet

Eligibility Criteria

Age18 Years - 60 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsThe eligibility criteria were at the request of the study sponsor.
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • The participant is an apparently healthy female
  • The participant is between the ages of 18 and 60

You may not qualify if:

  • The participant is pregnant or nursing, or plans to become pregnant during the next 12 months or has been pregnant in the past 12 months
  • The participant has uncontrolled metabolic disorder including known electrolyte abnormalities; heart disease, arrhythmias, diabetes, thyroid disease, or hypogonadism; a history of hypertension, hepatorenal, musculoskeletal, autoimmune, or neurological disease
  • The participant is currently taking thyroid, hyperlipidemic, hypoglycemic, anti-hypertensive, or androgenic medications
  • The participant has taken ergogenic levels of nutritional supplements that may affect muscle mass (e.g., creatine, HMB), anabolic/catabolic hormone levels (androstenedione, DHEA, etc.) or weight loss (e.g., ephedra, thermogenics, etc.) within the past three months
  • The participant is willing to take participate in a regular moderate exercise program

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

Diet, High-Protein

Intervention Hierarchy (Ancestors)

Diet TherapyNutrition TherapyTherapeuticsDietNutritional Physiological PhenomenaDiet, Food, and NutritionPhysiological Phenomena

Study Officials

  • Richard B Kreider, PhD

    Texas A&M University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 29, 2017

First Posted

April 17, 2017

Study Start

November 1, 2013

Primary Completion

July 1, 2015

Study Completion

July 1, 2015

Last Updated

April 17, 2017

Record last verified: 2017-03

Data Sharing

IPD Sharing
Will not share