Status:

COMPLETED

Tolerance of Two Forms of Vitamin C in Acid-sensitive Adults

Lead Sponsor:

NBTY, Inc.

Collaborating Sponsors:

KGK Science Inc.

Moyad, Mark MD MPH

Conditions:

Tolerance

Eligibility:

All Genders

18-75 years

Phase:

NA

Brief Summary

The purpose of this study is to compare the tolerance of two forms of vitamin C in adults with sensitivity to acidic foods.

Eligibility Criteria

Inclusion

  • Healthy as determined by laboratory results and medical history
  • Females not of child bearing potential
  • Self-reported sensitivity to acidic foods
  • Agrees to consume a low vitamin C diet

Exclusion

  • Pregnant, breastfeeding, or planning to become pregnant during the trial
  • Use of medications known to interact with vitamin C or cause epigastric effects
  • Use of supplements containing containing vitamin C
  • Duodenal ulcer or gastric ulcer, gastritis, hiatus hernia, or gastroesophageal reflux disease (GERD) within past 3 months
  • Use of antacids and/or acid suppressors within 4 weeks of randomization
  • History of irritable bowel syndrome and related disorders
  • Alcohol use \> 2 standard alcoholic drinks per day; alcohol or drug abuse within the past year
  • History of cardiac disease within the past 6 months
  • History of or current diagnosis of cancer
  • Uncontrolled hypertension
  • Unstable renal and/or liver disease
  • History of kidney stones
  • Unstable psychiatric disorder
  • History of or current immunocompromise
  • History of hemoglobinopathies
  • Participation in another clinical research trial \<30 days
  • Abnormal liver function
  • Serum creatinine \> 1.5 x upper limit of normal (ULN)
  • Anemia of any etiology
  • Uncontrolled and/or untreated thyroid disorder
  • BMI ≥ 35 kg/m2
  • Unstable medications \<30 days
  • Allergy or sensitivity to test article ingredients
  • Cognitively impaired and/or unable to give informed consent

Key Trial Info

Start Date :

March 1 2008

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

Estimated Enrollment :

50 Patients enrolled

Trial Details

Trial ID

NCT01873820

Start Date

March 1 2008

Last Update

June 10 2013

Active Locations (1)

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1

KGK Synergize, Inc

London, Ontario, Canada, N6A 5R8