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The purpose of this study is to investigate the effectiveness of a dietary supplement with high dosage of amino acids and vitamins in the treatment of acute and chronic infection of pharyngeal area known as common cold. T
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| placebo | Placebo Comparator |
| |
| amino acid composition | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| amino acid composition | Dietary Supplement | one single pouch (13g) of amino acid mixture and vitamins diluted into 200 ml of still water. This solution was daily oral taken after a meal. |
| Measure | Description | Time Frame |
|---|---|---|
| outcome of efficacy | For each study day,participants recorded in a diary rectal temperature, symptoms of sneezing, blocked nose or streaming eyes, whether they had problems to swollow and whether they had headache or pain in arms or legs. | 3 month treatment |
| Measure | Description | Time Frame |
|---|---|---|
| outcome of efficacy | Secondary outcome variables: feel the patient fit and able-bodied. | 3 month treatment |
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Inclusion Criteria:
men and women with at least two episodes of common cold and infection of ear, nose and pharyngeal area.
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kyberg Vital - Doris Meister | Oberhaching | Bavaria | 82041 | Germany |
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| Placebo | Other | placebo contained no amino acids and vitamins and was identical in appearance and solution properties. |
|
|
| ID | Term |
|---|---|
| D000088562 | Persistent Infection |
| D003139 | Common Cold |
| ID | Term |
|---|---|
| D007239 | Infections |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D012141 | Respiratory Tract Infections |
| D010850 | Picornaviridae Infections |
| D012327 | RNA Virus Infections |
| D014777 | Virus Diseases |
| D012140 | Respiratory Tract Diseases |
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