Experiment 69645
Worktypes
Details
| Property | Value |
|---|---|
| Pharmacology | |
| Administration route | ORAL |
| Organism | Echinacea purpurea (ASTERACEAE) |
| Citation | SPERBER,SJ: SHAH,LP: GILBERT,RD: RITCHEY,TW: MONTO,AS:. (2004). ECHINACEA PURPUREA FOR PREVENTION OF EXPERIMENTAL RHINOVIRUS COLDS.. 38(10) |
| Amount utilized | |
| Compound isolated | |
| Disease | EXPOSURE TO RHINOVIRUS DID NOT DECREASE THE RATE OF INFECTION; HOWEVER, BECAUSE OF THE SMALL SAMPLE SIZE, STISTICAL HYPOTHESIS TESTING HAD RELATIVELY POOR POWER TO DETECT STATICALLY SIGNIFICANT DIFFERENCES IN FREQUENCY AND SEVERITY OF ILLNESS. TOTAL OF 92% OF ECHINACEA RECIPIENTS AND 95% OF PLACEBO RECIPIENTS WERE INFECTED. COLDS DEVELOPED IN 58% OF ECHINACEA RECIPIANTS AND 82% OF PLACEBO RECIPIANTS(P=.114, BY FISHER'S EXACT TEST). ADMINISTRATION OF ECHINACEA BEFORE AND AFTER 3 TIMES A DAY, FOR 7 DAYS BEFORE AND 7 DAYS AFTER INTRANASAL INOCULATION WITH RV-39. SYMPTOMS WERE ASSESSED TO EVALUATE CLINICAL ILLNESS. VIRAL CULTURE AND SROLOGIC STUDIES WERE PERFORMED TO EVALUATE THE PRESENCE OF RHINOVIRUS INFECTION. A A RAMDOMIZED DOUBLE-BLIND, PLACEBO-CONTROLLED CLINICAL TRIAL WAS CONDUCTED TO EVALUATE THE ABILITY OF ECHINACEA PURPUREA TO PREVENT INFECTION WITH RHINOVIRUS TYPE 39 (RV-39). 48 PREVIOUSLY HEALTHY ADULTS RECEIVED ECHINACEA OR PLACEBO. 2.5 ML |
| Dose amount | 7.5 ML |
| Number | 1 |
| Qualitative result | EQUIVOCAL |
| Animal | HUMAN ADULT |
| Per unit | DAY |
| Dose expression | DOSE |
| Extract | HYDRO-ALCOHOLIC EXT |
| Gender | GIVEN TO BOTH SEXES |