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Trial record 26 of 77 for:    coffee

Coffee, Exercise, and Oxidative Stress

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ClinicalTrials.gov Identifier: NCT01832701
Recruitment Status : Completed
First Posted : April 16, 2013
Last Update Posted : April 21, 2014
Sponsor:
Information provided by (Responsible Party):
Nestlé

Brief Summary:
Coffee is one of the most widely consumed beverages. It contains polyphenols (chlorogenic acids) and bioavailability of these bioactive compounds is now somewhat well understood. In addition, chlorogenic acids are known to be antioxidants in the cup, but reliable evidence remains to be observed in vivo. The objective of this trial is to understand if regular (14d) coffee intake may be beneficial on biomarkers of oxidative damage measured in urine and plasma after an acute stress caused by exercise.

Condition or disease Intervention/treatment Phase
Healthy Other: Coffee Other: Placebo comparator Not Applicable

Detailed Description:

Coffee is one of the most widely consumed beverages. It contains polyphenols (chlorogenic acids) and bioavailability of these bioactive compounds is now somewhat well understood. However, even if chlorogenic acids are known to be antioxidants in the cup, reliable evidence remains to be observed in vivo.

After medical examination and approval, subjects will undergo 2 periods of 21 days. The first 7 days will consist of a dietary restriction to lower the polyphenols intake. Then subjects will drink at random one of the three treatments for 14 days (4 cups/day). Blood and urine samples will be collected throughout the study to evaluate in vivo effects on oxidative biomarkers. Furthermore, at day 21, subjects will undergo a physical regimen to increase acutely and transiently their oxidative damage. Blood and urine samples collected throughout this challenge will allow us to evaluate the effect of coffee intake in reducing oxidative damage created by exercise compared to placebo.


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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 24 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Triple (Participant, Investigator, Outcomes Assessor)
Official Title: Coffee and Oxidative Stress During Exercise in Healthy Humans
Study Start Date : March 2012
Actual Primary Completion Date : February 2013
Actual Study Completion Date : June 2013

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Experimental: coffee
4 cups of soluble coffee per day (2.5g per cup)
Other: Placebo comparator
maltodextrine with caffeine

Placebo Comparator: Maltodextrine with caffeine
4 cups per day containing 2.5 g of product each
Other: Coffee
coffee versus placebo




Primary Outcome Measures :
  1. oxidative stress [ Time Frame: Change in oxidative stress from baseline to the last day of a 14-day period of product intake ]
    Oxidative stress will be assessed though urine beta-isoprostane measurements


Secondary Outcome Measures :
  1. Bioavailability of coffee antioxidative compounds [ Time Frame: Change in urine phenolic and chlorogenic acids from baseline to the last day of a 14-day period of product intake ]
    Measures of phenolic and chlorogenic acids in urine



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Ages Eligible for Study:   20 Years to 50 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Healthy
  • Normal and overweight subjects (BMI 19 - 29), with lean mass below the 90th percentile value
  • Coffee drinkers with an average consumption of 1-3 cups per day
  • Having given informed consent
  • VO2 max as a function of age and gender, not higher than the values below:

Max oxygen uptake (VO2max, in ml/kg/min) in non athletes Age Males Females 20-29 49 41 30-39 47 39 40-49 45 37

Exclusion Criteria:

  • Digestive (intestinal, gastric, hepatic or pancreatic), renal or metabolic disease, as determined by the medical (screening) visit and a blood chemistry analysis (glucose, cholesterol, LDL, HDL, triglycerides, aspartate transaminase (ASAT), Alanine transaminase (ALAT), C reactive Protein (CRP), creatinin)
  • Subjects at cardio-vascular risk rated as intermediate or high (according to the Swiss Society of Cardiology, lipids group (www.agla.ch/p11-1-2.html), meaning those who show at least one of the following criteria:

    • History of coronary disease / atherosclerosis
    • Diabetes
    • High level of risk (familial hypercholesterolemia, hyperlipoproteinemia type III, hypertension)
    • Metabolic syndrome defined by the presence of at least 3 out of the following criteria :

Abdominal circumference > 102 cm in men, > 88 cm in women Fasting triglycerides ≥ 1.7 mmol/l HDL-cholesterol < 1.0 mmol/l in men, < 1.3 mmol/l in women Systolic arterial blood pressure ≥ 130 mm Hg and/or diastolic arterial blood pressure ≥ 85 mm Hg Plasma glucose ≥ 6.1 mmol/l

  • Anemia (Erythrocytes < 4.6 T/l (male) or < 4.2 T/l (women); Hemoglobin Hb < 13 g/dl (male) or Hb < 12 g/dl (women); Hematocrit Ht < 40% (male) or Ht < 37% (women); sera iron < 0.6 mg/l or plasma ferritin < 120 microg /l (male) or < 60 microg/l (non menopausal women)
  • Troubles of hemostasis as determined by platelets number, prothrombin time and activated partial thromboplastin time
  • Have had a gastrointestinal surgery, except appendicectomy
  • Pregnancy
  • History of food or medication allergy
  • Have a regular consumption of medication (only those impacting oxidative stress biomarkers (eg. impacting the metabolism of lipids / LDL / VLDL), oral contraception excepted)
  • Have taken antibiotic therapy within the last 3 months
  • Smokers (more than 5 cigarettes per day)
  • Having given blood within the last month, or willing to make a blood donation until one month following the end of the study
  • Have a high alcohol consumption (more than 2 drinks/day)
  • Taking more than 3 cups of coffee per day
  • Consumption of illicit drugs
  • Subject who cannot be expected to comply with the study procedures, including consuming the test products.
  • Currently participating or having participated in another clinical trial during the last month prior to the beginning of this study.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01832701


Locations
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Switzerland
Clinical Development Unit / Metabolic Unit
Lausanne, Switzerland, 1000
Sponsors and Collaborators
Nestlé
Investigators
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Principal Investigator: Maurice Beaumont, MD Clinical Development Unit / Metabolic Unit

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Responsible Party: Nestlé
ClinicalTrials.gov Identifier: NCT01832701     History of Changes
Other Study ID Numbers: 10.38.MET
First Posted: April 16, 2013    Key Record Dates
Last Update Posted: April 21, 2014
Last Verified: April 2014