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Search Results: 1 - 3 of 3 matches for " Rungrueng Kitphati "
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Activities of Daily Living Associated with Acquisition of Melioidosis in Northeast Thailand: A Matched Case-Control Study
Direk Limmathurotsakul ,Manas Kanoksil,Vanaporn Wuthiekanun,Rungrueng Kitphati,Bianca deStavola,Nicholas P. J. Day,Sharon J. Peacock
PLOS Neglected Tropical Diseases , 2013, DOI: 10.1371/journal.pntd.0002072
Abstract: Background Melioidosis is a serious infectious disease caused by the Category B select agent and environmental saprophyte, Burkholderia pseudomallei. Most cases of naturally acquired infection are assumed to result from skin inoculation after exposure to soil or water. The aim of this study was to provide evidence for inoculation, inhalation and ingestion as routes of infection, and develop preventive guidelines based on this evidence. Methods/Principal Findings A prospective hospital-based 1:2 matched case-control study was conducted in Northeast Thailand. Cases were patients with culture-confirmed melioidosis, and controls were patients admitted with non-infectious conditions during the same period, matched for gender, age, and diabetes mellitus. Activities of daily living were recorded for the 30-day period before onset of symptoms, and home visits were performed to obtain drinking water and culture this for B. pseudomallei. Multivariable conditional logistic regression analysis based on 286 cases and 512 controls showed that activities associated with a risk of melioidosis included working in a rice field (conditional odds ratio [cOR] = 2.1; 95% confidence interval [CI] 1.4–3.3), other activities associated with exposure to soil or water (cOR = 1.4; 95%CI 0.8–2.6), an open wound (cOR = 2.0; 95%CI 1.2–3.3), eating food contaminated with soil or dust (cOR = 1.5; 95%CI 1.0–2.2), drinking untreated water (cOR = 1.7; 95%CI 1.1–2.6), outdoor exposure to rain (cOR = 2.1; 95%CI 1.4–3.2), water inhalation (cOR = 2.4; 95%CI 1.5–3.9), current smoking (cOR = 1.5; 95%CI 1.0–2.3) and steroid intake (cOR = 3.1; 95%CI 1.4–6.9). B. pseudomallei was detected in water source(s) consumed by 7% of cases and 3% of controls (cOR = 2.2; 95%CI 0.8–5.8). Conclusions/Significance We used these findings to develop the first evidence-based guidelines for the prevention of melioidosis. These are suitable for people in melioidosis-endemic areas, travelers and military personnel. Public health campaigns based on our recommendations are under development in Thailand.
A phase I trial of Gynostemma pentaphyllum Makino in healthy volunteers
Pranee Chavalittumrong,Busarawan Sriwanthana,Rungrueng Kijphati,Bongkod Jitjuk
Songklanakarin Journal of Science and Technology , 2007,
Abstract: We conducted a phase I trial of Gynostemma pentaphyllum, grown in northern Thailand, to evaluate its safety in three groups of healthy volunteers. Fourteen, fifteen and fourteen volunteers respectively received the water extract of G. pentaphyllum in capsules at the doses of 50, 200 and 400 mg twice daily for two months. There were no major adverse events reported from any of the three groups throughout the study. Significant changes in hematological parameters, natural killer cell activities and the numbers of CD3+, CD4+ and CD8+ cells were not seen during taking the extract. Some biochemical parameters were significantly different from baseline data. Those values were, however, within normal limits and did not result in clinically significant conditions. Our results suggested that the water extract of G. pentaphyllum at the doses of 50, 200 or 400 mg twice daily given to healthy volunteers for two months was safe.
Safety of the aqueous extract of Portulaca grandiflora Hook in healthy volunteers
Pranee Chavalittumrong,Busarawan Sriwanthana,Archawin Rojanawiwat,Rungrueng Kijphati
Songklanakarin Journal of Science and Technology , 2007,
Abstract: A phase 1 clinical trial was performed in 16 healthy volunteers to primarily investigate safety of Portulaca grandiflora (P. grandiflora) as well as to preliminarily assess its efficacy on the immune system. The volunteers received 500 mg/day of P. grandiflora aqueous extract (250 mg capsule twice daily) for 2 months. No major side effects were reported from any of the subjects throughout the study. It was found that some significant changes in biochemical parameters were within normal limits. Hematological and immunological parameters were not altered after oral administration of P. grandiflora. Our results indicated that the P. grandiflora aqueous extract at the dose of 500 mg/day given to normal volunteers for 2 months was safe.
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