Encapsulated Juice Powder Concentrate for Preventing Common Cold Symptoms
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Purpose
The primary objective of this study is to determine the effect of an encapsulated juice powder concentrate on the number of days with at least moderate common cold symptoms over winter time.
| Condition | Intervention |
|---|---|
|
Common Cold |
Dietary Supplement: Juice Plus Dietary Supplement: Placebo |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor) Primary Purpose: Prevention |
| Official Title: | Effectiveness of an Encapsulated Juice Powder Concentrate for Preventing Common Cold Symptoms |
- Number of Days With at Least Moderate (i.e. Moderate or Severe) Common Cold Symptoms. [ Time Frame: within 6 months (after 2 months run-in period) ] [ Designated as safety issue: No ]
- Secondary Endpoints of This Study Are Mean Health-related Quality of Life, Mean Common Cold Related Total Costs, Direct and Indirect (Productivity Loss) Costs [ Time Frame: Baseline, months 2,4,6,8. ] [ Designated as safety issue: Yes ]
| Enrollment: | 543 |
| Study Start Date: | September 2008 |
| Study Completion Date: | July 2009 |
| Primary Completion Date: | July 2009 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
| Experimental: Juice Plus |
Dietary Supplement: Juice Plus
Juice Plus+® is a dietary supplement from concentrated fruits (apple, orange, pineapple,cranberry, cherry (acerola), papaya and peach) and vegetables (carrot, parsley, beet, broccoli, kale, cabbage, spinach, and tomato). Subjects will take four capsules of Juice Plus+® daily. Other Name: Juice Plus+®
|
| Placebo Comparator: Placebo |
Dietary Supplement: Placebo
Four capsules of placebo daily.
Other Name: -none-
|
Detailed Description:
Common cold is the most frequent acute illness in industrialised societies. Though it is usually benign, it is a leading cause of absence from work and doctor visits, causing an enormous economic burden including lost productivity and treatment costs.
Common cold is caused by a variety of viruses, with rhinoviruses and corona viruses as the most common. There is currently no treatment for common cold, thus therapy is focussed on symptom relief only. Prevention strategies for common cold include lifestyle measures such as avoiding infected people and regular hand washing during cold season. Dietary supplements including herbs and vitamins have been suggested as preventive strategies for common cold.
Juice Plus+® is a dietary supplement composed primarily of juice powder concentrate and pulp from fruits and vegetables. It contains several antioxidants including vitamin C, vitamin E, beta-carotene and folate. One randomized study reported reduction in work days lost to illness in the Juice Plus+® group compared to the placebo group. However, the clinical benefit for preventing common cold symptoms has not yet been tested in a large adult population.
Eligibility| Ages Eligible for Study: | 18 Years to 65 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Female or male, 18-65 years of age.
- Able and willing to take the active or placebo capsules over the whole study period.
- Health care professionals with essential patient contact (physicians, nurses, physiotherapists, etc) in Berlin, Germany.
- Written informed consent.
Exclusion Criteria:
- Known or suspected hypersensitivity or allergy to one of the ingredients of Juice Plus+®.
- Refusal to stop intake of additional vitamin supplements during study.
- Pregnancy or Lactation.
- Alcohol addiction, drug abuse or any other condition considered by the investigator to interfere with study procedures.
- Language limitations regarding interviews and questionnaires.
Contacts and Locations| Germany | |
| Institute for Social medicine, Epidemiology & Health Economics | |
| Berlin, Germany, 10117 | |
| Principal Investigator: | Stefan N. Willich, Prof | Institute for Social Medicine, Epidemiology & Health Economics |
More Information
Publications:
| Responsible Party: | Institute for Social Medicine, Epidemiology & Health Economics, Charite University Medical Center |
| ClinicalTrials.gov Identifier: | NCT00778648 History of Changes |
| Other Study ID Numbers: | JPCC |
| Study First Received: | October 21, 2008 |
| Results First Received: | September 9, 2010 |
| Last Updated: | September 9, 2010 |
| Health Authority: | Germany: Ethics Commission |
Keywords provided by Charite University, Berlin, Germany:
|
Common cold prevention dietary supplement |
Additional relevant MeSH terms:
|
Common Cold Respiratory Tract Infections Picornaviridae Infections RNA Virus Infections |
Virus Diseases Respiratory Tract Diseases Infection |
ClinicalTrials.gov processed this record on May 23, 2013