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Dive into the research topics where Siwaporn Chankrachang is active.

Publication


Featured researches published by Siwaporn Chankrachang.


Stroke | 2013

Chinese Medicine Neuroaid Efficacy on Stroke Recovery A Double-Blind, Placebo-Controlled, Randomized Study

Christopher Chen; Sherry H.Y. Young; Herminigildo H. Gan; Annabelle Y. Lao; Alejandro C. Baroque; Hui Meng Chang; John Harold B. Hiyadan; Carlos L. Chua; Joel M. Advincula; Sombat Muengtaweepongsa; Bernard P.L. Chan; H. Asita de Silva; Somchai Towanabut; Nijasri C. Suwanwela; Niphon Poungvarin; Siwaporn Chankrachang; K.S. Lawrence Wong; Gaik Bee Eow; Jose C. Navarro; Narayanaswamy Venketasubramanian; Chun Fan Lee; Marie-Germaine Bousser

Background and Purpose— Previous clinical studies suggested benefit for poststroke recovery when MLC601 was administered between 2 weeks and 6 months of stroke onset. The Chinese Medicine Neuroaid Efficacy on Stroke recovery (CHIMES) study tested the hypothesis that MLC601 is superior to placebo in acute, moderately severe ischemic stroke within a 72-hour time window. Methods— This multicenter, double-blind, placebo-controlled trial randomized 1100 patients with a National Institutes of Health Stroke Scale score 6 to 14, within 72 hours of onset, to trial medications for 3 months. The primary outcome was a shift in the modified Rankin Scale. Secondary outcomes were modified Rankin Scale dichotomy, National Institutes of Health Stroke Scale improvement, difference in National Institutes of Health Stroke Scale total and motor scores, Barthel index, and mini-mental state examination. Planned subgroup analyses were performed according to age, sex, time to first dose, baseline National Institutes of Health Stroke Scale, presence of cortical signs, and antiplatelet use. Results— The modified Rankin Scale shift analysis–adjusted odds ratio was 1.09 (95% confidence interval, 0.86–1.32). Statistical difference was not detected between the treatment groups for any of the secondary outcomes. Subgroup analyses showed no statistical heterogeneity for the primary outcome; however, a trend toward benefit in the subgroup receiving treatment beyond 48 hours from stroke onset was noted. Serious and nonserious adverse events rates were similar between the 2 groups. Conclusions— MLC601 is statistically no better than placebo in improving outcomes at 3 months when used among patients with acute ischemic stroke of intermediate severity. Longer treatment duration and follow-up of participants with treatment initiated after 48 hours may be considered in future studies. Clinical Trial Registration— URL: http://www.clinicaltrials.gov. Unique identifier: NCT00554723.


Stroke | 2013

Effects of MLC601 on Early Vascular Events in Patients After Stroke The CHIMES Study

Christopher Chen; Narayanaswamy Venketasubramanian; Chun Fan Lee; K.S. Lawrence Wong; Marie-Germaine Bousser; Chimes Study Investigators; Philippines; Jose C. Navarro; Herminigildo H. Gan; Annabelle Y. Lao; Alejandro C. Baroque; Johnny K. Lokin; John Harold B. Hiyadan; Ma. Socorro Sarfati; Randolph John Fangonillo; Neil Ambasing; Carlos L. Chua; Ma. Cristina Z. San Jose; Joel M. Advincula; Eli John Berame; Maria Teresa Canete; Singapore; Sherry H.Y. Young; Marlie Jane Mamauag; San San Tay; Shrikant Pande; Umapathi Thirugnanam; Hui Meng Chang; Deidre A. De Silva; Bernard P.L. Chan

Background and Purpose— Early vascular events are an important cause of morbidity and mortality in the first 3 months after a stroke. We aimed to investigate the effects of MLC601 on the occurrence of early vascular events within 3 months of stroke onset. Methods— Post hoc analysis was performed on data from subjects included in the CHInese Medicine Neuroaid Efficacy on Stroke recovery (CHIMES) study, a randomized, placebo-controlled, double-blinded trial that compared MLC601 with placebo in 1099 subjects with ischemic stroke of intermediate severity in the preceding 72 hours. Early vascular events were defined as a composite of recurrent stroke, acute coronary syndrome, and vascular death occurring within 3 months of stroke onset. Results— The frequency of early vascular events during the 3-month follow-up was significantly less in the MLC601 group than in the placebo group (16 [2.9%] versus 31 events [5.6%]; risk difference=−2.7%; 95% confidence interval, −5.1% to −0.4%; P=0.025) without an increase in nonvascular deaths. Kaplan–Meier survival analysis showed a difference in the risk of vascular outcomes between the 2 groups as early as the first month after stroke (Log-rank P=0.024; hazard ratio, 0.51; 95% confidence interval, 0.28–0.93). Conclusions— Treatment with MLC601 was associated with reduced early vascular events among subjects in the CHIMES study. The mechanisms for this effect require further study. Clinical Trial Registration— URL: http://www.clinicaltrials.gov. Unique identifier: NCT00554723.


Headache | 2008

Migraine disability awareness campaign in Asia: migraine assessment for prophylaxis.

Shuu-Jiun Wang; Chin-Sang Chung; Siwaporn Chankrachang; K. Ravishankar; Julia Shahnaz Merican; Gerard Salazar; Charles Siow; Raymond T.F. Cheung; Kammant Phanthumchinda; Fumihiko Sakai

Objectives.— This study aimed to survey the headache diagnoses and consequences among outpatients attending neurological services in 8 Asian countries.


Headache | 2011

Prophylactic Botulinum Type A Toxin Complex (Dysport®) for Migraine Without Aura

Siwaporn Chankrachang; Arkhom Arayawichanont; Niphon Poungvarin; Samart Nidhinandana; Pairoj Boonkongchuen; Somchai Towanabut; Pasiri Sithinamsuwan; Subsai Kongsaengdao

(Headache 2011;51:52‐63)


International Journal of Stroke | 2010

Management of cholesterol to reduce the burden of stroke in Asia: consensus statement.

Graeme J. Hankey; Ka S. L. Wong; Siwaporn Chankrachang; Christopher Chen; Denis Crimmins; Judith Frayne; Jong S. Kim; Yansheng Li; Chia-Wei Liou; Julia Shahnaz Merican; Jusuf Misbach; Jose C. Navarro; Yukito Shinohara; Yongjun Wang; Byung-Woo Yoon

Stroke is a major cause of morbidity and mortality in Asia, and its pattern is changing. The incidence of haemorrhagic stroke is declining while the incidence of ischaemic stroke caused by large artery atherothromboembolism is increasing secondary to an increase in the prevalence of hypercholesterolemia. The Working Group on Stroke and Lipids Management in Asia Consensus Panel assembled leading experts from the region to reach a consensus on how to address this challenge. The group discussed the observational epidemiology of the relationship between cholesterol and risk of stroke, the clinical trial evidence base for cholesterol-lowering for stroke prevention, and issues specific to stroke and lipid management for Asian doctors and patients. Stroke guidelines from many of the Asian countries have recently recommended consideration of statins for recurrent stroke prevention in patients with previous ischaemic stroke or transient ischaemic attack. However, because these recommendations have yet to be


Journal of Stroke & Cerebrovascular Diseases | 2015

Prognostic Factors and Treatment Effect in the CHIMES Study

Siwaporn Chankrachang; Jose C. Navarro; Deidre A. De Silva; Somchai Towanabut; Carlos L. Chua; Chun Fan Lee; Narayanaswamy Venketasubramanian; K.S. Lawrence Wong; Marie-Germaine Bousser; Christopher Chen


Journal of the Medical Association of Thailand Chotmaihet thangphaet | 2004

Efficacy and Safety of Piribedil in Early Combination with L-dopa in the Treatment of Parkinson's Disease: A 6-month Open Study

Jithanorm Suwantamee; Samart Nidhinandana; Suwat Srisuwananukorn; Somsak Laptikultham; Apichart Pisarnpong; Siwaporn Chankrachang; Adul Bundhukul


Journal of the Medical Association of Thailand Chotmaihet thangphaet | 2009

Thai Venous Stroke Prognostic Score: TV-SPSS

Niphon Poungvarin; Naraporn Prayoonwiwat; Disya Ratanakorn; Somchai Towanabut; Tassanee Tantirittisak; Nijasri C. Suwanwela; Kamman Phanthumchinda; Somsak Tiamkoa; Siwaporn Chankrachang; Samart Nidhinandana; Somsak Laptikultham; Sansern Limsoontarakul; Suthipol Udomphanthuruk


Journal of the Medical Association of Thailand Chotmaihet thangphaet | 2007

Effect of doses on the bioavailability of phenytoin from a prompt-release and an extended-release preparation: single dose study.

Noppamas Rojanasthien; Nuchanart Chaichana; Supanimit Teekachunhatean; Boonyium Kumsorn; Chaichan Sangdee; Siwaporn Chankrachang


Journal of the Medical Association of Thailand Chotmaihet thangphaet | 2009

Safety and Tolerability of Galantamine in Possible Alzheimer's Disease with or without Cerebrovascular Disease and Vascular Dementia in Thai Patients

Senanarong; Niphon Poungvarin; Kammant Phanthumchinda; Thavichachart N; Siwaporn Chankrachang; Rungnirand Praditsuwan; Samart Nidhinandana

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Christopher Chen

National University of Singapore

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Jose C. Navarro

University of Santo Tomas Hospital

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Chun Fan Lee

The Chinese University of Hong Kong

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K.S. Lawrence Wong

The Chinese University of Hong Kong

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Carlos L. Chua

University of the Philippines Manila

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