Rattanawong, Wanakorn

Preferred name

Alternative Name

Rattanawong, W.

Main Affiliation

Faculty of Medicine

wanakorn.ra@kmitl.ac.th

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Correction to: Filling the data gap on CGRP mAb therapy in low- to middle-income countries in Southeast Asia: insights from a real-world study in Thailand (The Journal of Headache and Pain, (2024), 25, 1, (150), 10.1186/s10194-024-01859-3)
(2025-12-01)
Anukoolwittaya, Prakit
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Hiransuthikul, Akarin
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Pongpitakmetha, Thanakit
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Thanprasertsuk, Sekh
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Rattanawong, Wanakorn
In this article reference 13 was Asawavichienjinda T, Imruetaijaroenchoke W, Phanthumchinda K (2020) Thai-version Migraine Disability Assessment (MIDAS) questionnaire: concurrent validity, test-retest reliability, internal consistency, and factors predictive for migraine-related disability. Asian Biomed (Res Rev News) 14(4):139–150 but it should have been Vongvaivanich K, Yongprawat T, Jindawong N, Chansakul C (2018) Test-Retest Reliability of the Thai Migraine Disability Assessment (Thai-MIDAS) Questionnaire in Thai Migraine Patients. Bangk Med J 14(1):10–10. The original article has been updated. The authors would like to apologize for any inconvenience caused.
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The transition of medication overuse status by acute medication categories in episodic or chronic migraine patients to non-overuse status after receiving anti-CGRP monoclonal antibodies: a systematic review and meta-analysis of phase 3 randomized control trial
(2024-09-01)
Sirilertmekasakul, Chananchida
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Panto, Akkanat
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Lekhalawan, Pattanan
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Panyarachun, Pariyada
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Jindasakchai, Porpim
Objective: The objective of this systematic review and meta-analysis was to determine whether patients with episodic (EM) or chronic migraine (CM), who were treated with anti-CGRP antibodies, showed a reversal from medication overuse (MO) or medication overuse headache (MOH) status at their baseline to non-overuse status. Furthermore, this study aimed to establish which acute headache medication (AHM) categories responded more effectively to anti-CGRP antibodies. Methods: A systematic search was conducted in the PubMed database for relevant studies from January 2013 to September 2023. We included phase three randomized controlled trials to examine the role of anti-CGRP antibodies in patients with EM or CM and their MO status. A meta-analysis was conducted to find the association between anti-CGRP antibodies and the number of EM and CM patients with MO or MOH at baseline that reverted to non-MO status or below the MOH threshold. Results: The initial search yielded a total of 345 studies. After removing duplicates and screening with inclusion criteria, 5 studies fulfilled our conditions. Each study reviewed the response to changes in the MO status of patients after receiving anti-CGRP antibodies, including eptinezumab, fremanezumab, galcanezumab, and erenumab, compared to placebo. Our study analyzed three AHM categories: triptans, simple analgesics, and multiple drugs. The overall relative risk (RR) was 1.44 (95% CI, 1.31 to 1.59; p < 0.001). The RRs for triptans, simple analgesics, and multi-drug groups were 1.71 (95% CI, 1.53 to 1.91; p < 0.001), 1.10 (95% CI, 0.83 to 1.47; p = 0.5), and 1.29 (95%CI 1.14 to 1.46; p < 0.001) respectively. Conclusion: The meta-analysis has shown that anti-CGRP antibodies were statistically significant in transitioning from MO or MOH status to non-MO status or below the MOH threshold (RR = 1.44) for all included studies and all AHM categories except for simple analgesics. Patients from the triptan group had the highest RR of 1.71 with a p-value < 0.001, while the simple analgesics group had an RR of 1.10, however, with a p-value > 0.05. Interestingly, this analysis can be interpreted as that anti-CGRP antibodies might not be effective in reducing simple analgesics use in EM or CM patients. Further studies are needed to investigate these matters.
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Medication underuse in real-life practice: the impact of galcanezumab towards achieving very low frequency episodic migraine in a southeast Asian middle-income nation
(2025-12-01)
Rattanawong, Wanakorn
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Anukoolwittaya, Prakit
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Hiransuthikul, Akarin
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Pongpitakmetha, Thanakit
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Trisataya, Auranee
Background: Migraine progression, particularly from episodic to chronic migraine (CM), increases disease burden and healthcare costs. Understanding the new concept of “Medication Underuse Headache” should encourage the health care provider to consider early intervention with calcitonin gene-related peptide (CGRP) monoclonal antibodies. Galcanezumab given early in the course of the disease, may prevent migraine chronification and have a robust response, moreso than when initiated in later stages of migraine. We aimed to determine the efficacy of galcanezumab in achieving very low-frequency episodic migraine (VLFEM) among patients with high-frequency episodic migraine (HFEM) and CM in a real world-setting in Thailand. Methods: A single-center, retrospective real-world, cohort study was conducted between 2023 and 2024. Adults aged 18 years or more who were diagnosed with HFEM or CM were included in this trial and categorized into two groups: galcanezumab and oral migraine preventive medication (OMPM). In the galcanezumab group, oral preventive medications were slowly tapered off within 3 months. The primary outcome was the differences in percentage of patients achieving VLFEM at months 3 and 6 between the two groups. Secondary outcomes included the differences in migraine class improvement, sustained response, and headache day reduction. Results: A total of 62 patients (31 in each group) were included: median age was 36.5 (IQR: 29.0–48.0) and 82% were female. There were no significant differences in the baseline demographic features between the two groups. The cumulative incidence of patients achieving VLFEM was significantly higher among the galcanezumab group compared to OMPM group (45.2% vs. 19.4% at month 3 and 52.9% vs. 32.4% at month 6, p = 0.03). After 6 months of follow-up, patients with HFEM who received galcanezumab were significantly more likely to achieve any improvements in migraine class compared to those who received OMPM (92.9% vs. 46.7%, p = 0.01). Among 15 patients who achieved VLFEM at month 3, 81.8% (9/11) of those who received galcanezumab and 50.0% (2/4) of those who received OMPM were able to sustain VLFEM at month 6. Conclusions: This study emphasizes the benefit of early anti-CGRP therapy initiation, especially in patients with fewer headache days, and highlights the need for accessible migraine-specific treatments in low- to middle-income countries.
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2025 Highlights in medication overuse and medication overuse headache
(2026-01-01)
Rattanawong, Wanakorn
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Iannone, Luigi Francesco
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Fluorouracil-induced leukoencephalopathy mimicking neuroleptic malignant syndrome: a case report
(2023-12-01)
Hemachudha, Pasin
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Rattanawong, Wanakorn
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Pongpitakmetha, Thanakit
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Phuenpathom, Warongporn
Background: Fluorouracil-induced leukoencephalopathy is a rare complication and has been reported to present as confusion, oculomotor abnormality, ataxia, and parkinsonism; however, there is no previous report of a presentation mimicking neuroleptic malignant syndrome. Acute cerebellar syndrome may occur, which can be explained by the extremely high accumulation of the drug in the cerebellum. However, presentation mimicking neuroleptic malignant syndrome similar to our case has never been reported. Case presentation: Here, we describe a 68-year-old Thai male presenting with advanced-stage cecal adenocarcinoma, as well as symptoms and signs indicative of neuroleptic malignant syndrome. He received two doses of intravenous metoclopramide 10 mg 6 hours before his symptoms occurred. Magnetic resonance imaging scan revealed signal hyperintensity within the bilateral white matter. Further evaluation showed that his thiamine level was extremely low. Thus, he was diagnosed with fluorouracil-induced leukoencephalopathy mimicking neuroleptic malignant syndrome. The concomitant fluorouracil-induced thiamine deficiency eventually leads to rapid depletion of thiamine and was considered a risk factor for fluorouracil-induced leukoencephalopathy. Conclusion: Fluorouracil-induced leukoencephalopathy is believed to be caused by insult causing mitochondrial dysfunction. However, the exact mechanism remains unknown, but our finding suggests that thiamine deficiency plays a crucial role in fluorouracil-induced leukoencephalopathy. Diagnosis is usually delayed due to a lack of clinical suspicion and results in significant morbidity requiring unnecessary investigations.
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The current state of artificial intelligence-augmented digitized neurocognitive screening test
(2023-01-01)
Sirilertmekasakul, Chananchida
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Rattanawong, Wanakorn
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Gongvatana, Assawin
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Srikiatkhachorn, Anan
The cognitive screening test is a brief cognitive examination that could be easily performed in a clinical setting. However, one of the main drawbacks of this test was that only a paper-based version was available, which restricts the test to be manually administered and graded by medical personnel at the health centers. The main solution to these problems was to develop a potential remote assessment for screening individuals with cognitive impairment. Currently, multiple studies have been adopting artificial intelligence (AI) technology into these tests, evolving the conventional paper-based neurocognitive test into a digitized AI-assisted neurocognitive test. These studies provided credible evidence of the potential of AI-augmented cognitive screening tests to be better and provided the framework for future studies to further improve the implementation of AI technology in the cognitive screening test. The objective of this review article is to discuss different types of AI used in digitized cognitive screening tests and their advantages and disadvantages.
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Efficacy of lasmiditan, rimegepant and ubrogepant for acute treatment of migraine in triptan insufficient responders: systematic review and network meta-analysis
(2024-12-01)
Laohapiboolrattana, Wattakorn
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Jansem, Priabprat
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Anukoolwittaya, Prakit
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Roongpiboonsopit, Duangnapa
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Hiransuthikul, Akarin
Background: Novel abortive treatments for migraine, ditans and gepants, have promising implications in triptan-insufficient responders with minimal existing comparative data. Our study aims to synthesize evidence through a systematic review and network meta-analysis to assess the comparative efficacy of lasmiditan, rimegepant and ubrogepant in triptan-insufficient responders. Method: We searched PubMed, Embase, CENTRAL, and EBSCO Open Dissertations up to May 2024. We included randomized controlled trials (RCTs) that compared novel abortive treatments, including lasmiditan, rimegepant, and ubrogepant, in migraine patients who self-reported insufficient response to triptans. Outcomes are represented using relative risks with corresponding 95% confidence intervals (CI). The surface under the cumulative ranking curve (SUCRA) was used to rank each medication. Results: A total of five phase 3 RCTs involving 3,004 patients were included in the analysis. All three agents were significantly superior to placebo for two-hour pain freedom (RR = 1.93, 95% CI [1.52, 2.46]), freedom from the most bothersome symptoms at two hours (RR = 1.55, 95% CI [1.37, 1.75]), and pain relief at two hours (RR = 1.46, 95% CI [1.35, 1.58]). No statistically significant differences in efficacy outcomes were observed among the three agents. However, lasmiditan 200 mg had the highest cumulative probability for two-hour pain freedom and relief (SUCRA 0.9, 0.8, respective), while rimegepant led in relieving the most bothersome symptoms (SUCRA 0.7). Conclusion: Lasmiditan, rimegepant, and ubrogepant are effective for acute treatment of migraine in triptan-insufficient responders, with high-dose lasmiditan showing the highest efficacy for pain control.
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Awareness, knowledge, and practice towards medication overuse headache in Thailand: A university hospital-based survey in residency training programs
(2024-01-01)
Anukoolwittaya, Prakit
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Pongpitakmetha, Thanakit
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Hiransuthikul, Akarin
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Thanprasertsuk, Sekh
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Rattanawong, Wanakorn
Background: Medication overuse headache (MOH) presents a considerable challenge in patient care, with physicians playing a critical role in its prevention and management. However, awareness, knowledge, and practices regarding MOH among physicians are often found to be inadequate. Methods: A cross-sectional study was conducted at King Chulalongkorn Memorial Hospital to investigate the awareness, knowledge, and practices concerning MOH among residents from family medicine, internal medicine, and neurology specialties. Participants were surveyed using an internet-based questionnaire. Results: Of the 130 residents, 70 participated in the study. Ten percent were unaware that analgesics could exacerbate headaches, a finding particularly notable among family medicine residents. Furthermore, 11.4% of participants were uncertain about the classification of MOH, while 31.4% and 44.3% were uncertain about the frequency with which the use of simple analgesics and migraine-specific drugs could lead to MOH, respectively. This uncertainty was prevalent among residents in internal medicine and family medicine. Additionally, 22.9% of participants, especially those in internal medicine, prescribed opioids for abortive treatment in migraine patients. Residents in neurology generally performed better across various aspects compared to those in other specialties. Conclusion: The study highlights a significant gap in the awareness, knowledge, and practices regarding MOH, particularly in non-neurology residency programs. Addressing these issues may require continuous medical education utilizing a multifaceted approach, encompassing undergraduate courses, postgraduate training, and public outreach.
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Neurofilament light is associated with clinical outcome and hemorrhagic transformation in moderate to severe ischemic stroke
(2023-01-01)
Rattanawong, Wanakorn
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Ongphichetmetha, Tatchaporn
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Hemachudha, Thiravat
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Thanapornsangsuth, Poosanu
Background: Ischemic stroke is a leading cause of morbidity and mortality worldwide. One possible predictor is the use of biomarkers especially neurofilament light chain (NFL). Objectives: To explore whether NFL could predict clinical outcome and hemorrhagic transformation in moderate to severe stroke. Design: Single center prospective cohort study. Methods: Fifty-one moderate to severe ischemic stroke patients were recruited. Blood NFL was obtained from patients at admission (First sample) and 24-96 hours later (Second sample). NFL was analyzed with the ultrasensitive single molecule array (Simoa). Later, we calculated incremental rate NFL (IRN) by changes in NFL per day from baseline. We evaluated National Institute of Health stroke scale (NIHSS), modified Rankins score (mRs), and the presence of hemorrhagic transformation (HT). Results: IRN was found to be higher in patients with unfavorable outcome (7.12 vs 24.07, P =.04) as well as Second sample (49.06 vs 71.41, P =.011), while NFL First sample was not significant. IRN had a great correlation with mRS (r =.552, P <.001). Univariate logistic regression model showed OR of IRN and Second sample to be 1.081 (95% CI 1.016-1.149, P =.013) and 1.019 (1.002-1.037, P =.03), respectively. Multiple logistic regression model has shown to be significant. In receiver operating analysis, IRN, Second sample, combined IRN with NIHSS and combined Second sample with NIHSS showed AUC (.744, P =.004; 0.713, P =.01; 0.805, P <.001; 0.803, P <.001, respectively). For HT, First sample and Second sample had significant difference with HT (Z = 2.13, P =.033; Z = 2.487, P =.013, respectively). Conclusion: NFL was found to correlate and predict clinical outcome. In addition, it was found to correlate with HT.
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Correction: Diagnosis challenges and accessibility barriers to migraine management in Southeast Asia: results from the South-East Asia Local breAch on MigraiNe Treatment (SEALANT) study (The Journal of Headache and Pain, (2026), 27, 1, (47), 10.1186/s10194-026-02295-1)
(2026-12-01)
Rattanawong, Wanakorn
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Hiransuthikul, Akarin
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Anukoolwittaya, Prakit
;
Pongpitakmetha, Thanakit
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Thanprasertsuk, Sekh
In the section Survey and outcomes of this article, the components of the questionnaire were incorrectly labeled using the manuscript-style headings “Introduction,” “Methods,” “Results,” “Discussion,” and “Conclusion.” These terms were intended solely to denote internal sections of the questionnaire and do not correspond to the standard structural sections of the manuscript. To avoid confusion, these labels have been replaced with “Section 1,” “Section 2,” “Section 3,” “Section 4,” and “Section 5,” respectively. The correct and incorrect version of the text is presented below and the original article has been corrected. The survey comprised five main sections, each designed to explore different aspects of migraine care and physician perspectives. Section 1 collected demographic data. Section 2 focused on barriers to migraine diagnosis, covering issues such as diagnostic accuracy, time to diagnosis, hospital workload, and use of headache diaries and patient education. Section 3 explored acute migraine treatment, including medication availability, the proportion of patients using acute medications, issues of medication underuse (timing and efficacy), and awareness of MOH. Section 4 explored preventive treatment, including access to preventive medications, availability of calcitonin gene-related peptide (CGRP)–targeted therapies, and physicians’ views on their use. Section 5 explored migraine-related stigma and its impact on patients’ quality of life; these findings will be reported separately. The survey comprised five main sections, each designed to explore different aspects of migraine care and physician perspectives. Section “Introduction” collected demographic data. Section “Methods” focused on barriers to migraine diagnosis, covering issues such as diagnostic accuracy, time to diagnosis, hospital workload, and use of headache diaries and patient education. Section “Results” explored acute migraine treatment, including medication availability, the proportion of patients using acute medications, issues of medication underuse (timing and efficacy), and awareness of MOH. Section “Discussion” explored preventive treatment, including access to preventive medications, availability of calcitonin gene-related peptide (CGRP)–targeted therapies, and physicians’ views on their use. Section “Conclusion” explored migraine-related stigma and its impact on patients’ quality of life; these findings will be reported separately.

Rattanawong, Wanakorn

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