Publications by authors named "Ching-Fang Sun"

5 Publications

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Reply to "Does the decreased incidence of new-onset depression in patients with interferon-α therapy indicate the protective effect of interferon-α against depression?"

Brain Behav Immun 2021 Feb 25. Epub 2021 Feb 25.

Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan; College of Medicine, China Medical University, Taichung, Taiwan; Tainan Municipal An-Nan Hospital-China Medical University, Tainan, Taiwan. Electronic address:

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http://dx.doi.org/10.1016/j.bbi.2021.02.017DOI Listing
February 2021

Depression-free after Interferon-α exposure indicates less incidence of depressive disorder: A longitudinal study in Taiwan.

Brain Behav Immun 2020 08 17;88:125-131. Epub 2020 May 17.

College of Medicine, China Medical University, Taichung, Taiwan; Department of Psychiatry & Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan; An-Nan Hospital, China Medical University, Tainan, Taiwan.

Background: IFN-α-induced depression in patients undergoing hepatitis C virus (HCV) treatment provides powerful support for the inflammation hypothesis of depression. Most studies have focused on the occurrence of depressive symptoms, but there has been no study yet in depression-free HCV patients receiving IFN-α. We hypothesized that HCV patients who did not develop depression after IFN-α exposure might have a lower incidence of depressive disorders after the IFN-α treatment.

Methods: We conducted a twelve-year population-based cohort study of chronic HCV patients who received IFN-α therapy. The data were obtained from the Taiwan National Health Insurance Research Database. The study cohort was patients without any depressive disorder nor antidepressant use before and during IFN-α therapy. They were matched randomly by age, sex income and urbanization at a ratio of 1:4 with the control cohort of HCV patients without IFN-α therapy. The follow-up started after the last administration of IFN-α, and the primary outcome was the incidence of depressive disorders after IFN-α therapy.

Results: A total of 20,468 depression-free subjects were identified from records of HCV patients receiving IFN-α therapy. Patients without IFN-α-induced depression were associated with a significantly lower incidence (per 10,000 person-years) of new-onset depressive disorders (126.8, 95% Confidential Interval [CI] of 118.5-135.6) as compared to the control cohort (145.2, 95% CI of 140.0-150.6) (p < 0.001). After adjusting for age, sex, income, urbanization and comorbid diseases, the crude hazard ratio for the incident depressive disorder was 0.87 (95% CI, 0.80-0.87) and the adjusted hazard ratios was 0.79 (95% CI, 0.72-0.87) for IFN-α-induced depression-free subjects as compared to the controls.

Discussion: Our study indicates that IFN-α treated depression-free patients have a lower risk for depressive disorders. This hypothesized mechanism might derive from an IFN-α-induced resilience factor as yet to be defined.

Conclusions: Our study might suggest a new possibility for a new pharmacological strategy against depression.
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http://dx.doi.org/10.1016/j.bbi.2020.05.044DOI Listing
August 2020

Esophageal duplication cyst presenting with stridor in a child with congenital pulmonary airway malformation: A case report and literature review.

Medicine (Baltimore) 2019 Jul;98(28):e16364

Division of Pediatric Pulmonology, China Medical University Children's Hospital.

Rationale: Esophageal duplication cyst (EDC) is a rare developmental aberration originated from the embryonic foregut. It may remain asymptomatic but produce local mass effect on surrounding organs if rapid enlarges. EDC may sometimes accompany with other congenital malformations. Congenital pulmonary airway malformation (CPAM) is a congenital lung malformation with an unknown chance of developing symptoms. Here we report a rare case of esophageal duplication cyst with type 2 congenital pulmonary airway malformation (CPAM).

Patient Concerns: A 16-month old boy with a prenatal diagnosis of type 2 CPAM presented progressive stridor and respiratory distress and was admitted to our hospital under the diagnosis of pneumonia. The patient responded poorly to antibiotics. A chest Xray (CXR) showed consolidation over the left upper lobe with trachea deviated to right side. A chest computed tomography (CT) revealed a cystic lesion sized 3.3 × 3.3 cm in the superior mediastinum.

Diagnoses: Post-operative pathological report confirmed the diagnosis of esophageal duplication cyst.

Interventions: We pre-medicated the patient with steroids and inhaled bronchodilators for airway maintenance. Then the patient received tumor resection via median sternotomy.

Outcomes: The patient recovered without complication and discharged smoothly 4 days after the surgery.

Lessons: EDC is a rare but potentially life-threatening disease owning to compression of large airways. Chest CT scan could detect the lesion non-invasively and should be considered in patients with persistent stridor, as well as CXR findings of the trachea deviated by a mass lesion in mediastinum, especially for those with CPAM.
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http://dx.doi.org/10.1097/MD.0000000000016364DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6641662PMC
July 2019

Duloxetine-Induced Hyponatremia in an Elderly Male Patient with Treatment-Refractory Major Depressive Disorder.

Case Rep Psychiatry 2019 13;2019:4109150. Epub 2019 May 13.

Department of Psychiatry & Brain Disease Research Center, China Medical University Hospital, Taichung, Taiwan.

Several classes of antidepressants can induce syndrome of inappropriate antidiuretic hormone hypersecretion (SIADH), thereby causing hyponatremia. Initial symptoms of hyponatremia include neuropsychiatric and gastrointestinal manifestations can mimic depression, especially in elderly people with multiple somatic complaints. Here we present a case of a 68-year-old man with treatment-refractory depression and general anxiety disorder who developed duloxetine-induced hyponatremia. His symptoms of hyponatremia including unsteady gait, dizziness, nausea, general malaise, and poor appetite subsided after discontinuing the offending medication. Our case illustrates that drug-induced SIADH and potential drug-drug interactions should be considered in elderly patients who develop hyponatremia following the initiation of antidepressants.
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http://dx.doi.org/10.1155/2019/4109150DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6535824PMC
May 2019

Standard susceptibility testing overlooks potent azithromycin activity and cationic peptide synergy against MDR Stenotrophomonas maltophilia.

J Antimicrob Chemother 2016 May 31;71(5):1264-9. Epub 2016 Jan 31.

Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA Rady Children's Hospital, San Diego, CA 92123, USA

Objectives: The Gram-negative bacillus Stenotrophomonas maltophilia (SM) is an emerging MDR opportunistic pathogen. Recent studies identify a potentially relevant activity of azithromycin against Gram-negative bacteria overlooked in standard bacteriological testing. We investigated azithromycin activity against SM in testing conditions incorporating mammalian tissue culture medium and host defence factors.

Methods: MIC testing, chequerboard assays, time-kill assays and fluorescence microscopy were performed for azithromycin, the cationic peptide antibiotic colistin and the human defence peptide cathelicidin LL-37 alone or in combination in cation-adjusted Mueller-Hinton broth or mammalian tissue culture media. Azithromycin sensitization of SM to host immune clearance was tested in a human neutrophil killing assay and a murine pneumonia model.

Results: We observed potent bactericidal activity of azithromycin against SM in mammalian tissue culture medium absent in bacteriological medium. Colistin and LL-37 strongly potentiated azithromycin killing of SM by increasing drug entry. Additionally, azithromycin sensitized SM to neutrophil killing and increased SM clearance in the murine pneumonia model.

Conclusions: Despite lack of activity in standard MIC testing, azithromycin synergizes with cationic peptide antibiotics to kill SM in medium mimicking tissue fluid conditions. Azithromycin, alone or in combination with colistin, merits further exploration in therapy of drug-resistant SM infections.
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http://dx.doi.org/10.1093/jac/dkv487DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4830416PMC
May 2016