Publications by authors named "Jeremy Yc Teoh"

Introduction: In de novo metastatic hormone-sensitive prostate cancer (mHSPC) treated with upfront intensification using androgen receptor signaling inhibitor or chemotherapy (Docetaxel), achieving a PSA nadir less than 0.2 ng/mL, indicative of superior survival in trials, may often be unattainable in real-world settings. We explored the predictive value of the degree of PSA decline and time to PSA nadir (TTPN) on oncological outcomes.

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Renal cell carcinoma (RCC) is the most common solid tumour of the kidney and accounts for 3% of all cancers. While immune checkpoint inhibitor (ICI)-based combination therapies have emerged as the first-line treatment for metastatic renal cell carcinoma (mRCC), the role of surgery has become more controversial. This review summarizes the evidence, current role and future directions for surgery in mRCC management.

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  • A survey conducted between April and May 2023 gathered insights from urologists worldwide on the use of ChatGPT, highlighting its potential applications and current usage rates in academic and clinical settings.
  • Nearly half of the respondents (47.7%) reported using ChatGPT in academic practice, while only 19.8% used it clinically; concerns regarding ethical implications and limitations were expressed by over half of the participants.
  • The findings indicate a recognition of ChatGPT's potential in research by urologists, alongside a call for regulations and guidelines to ensure its safe and effective usage in healthcare.
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Using prostate-specific antigen (PSA) for prostate cancer (PCa) screening led to overinvestigation and overdiagnosis of indolent PCa. We aimed to investigate the value of prostate health index (PHI) and magnetic resonance imaging (MRI) prostate in an Asian PCa screening program. Men aged 50-75 years were prospectively recruited from a community-based PSA screening program.

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Background: There are currently no guideline recommendations regarding the treatment of cisplatin-ineligible, clinically lymph node-positive (cN+) bladder cancer (BCa).

Objective: To investigate the oncological efficacy of gemcitabine/carboplatin induction chemotherapy (IC) in comparison to cisplatin-based regimens in cN+ BCa.

Design Setting And Participants: This was an observational study of 369 patients with cT2-4 N1-3 M0 BCa.

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  • The study evaluated the impact of sex on survival rates in patients with non-muscle-invasive bladder cancer (NMIBC) and muscle-invasive bladder cancer (MIBC) after radical surgery.
  • It involved a systematic review of 31 studies for NMIBC and 63 studies for MIBC, analyzing data from over 117,000 patients.
  • Findings indicated that female patients had worse cancer-specific and overall survival rates in MIBC, but sex did not significantly affect survival rates in NMIBC, suggesting that sex could be an important consideration in clinical decisions.
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Background: Angiogenesis-related marker vascular cell adhesion molecule-1 (VCAM-1) has been shown to be elevated in urothelial carcinoma of the bladder (UCB), but its predictive/prognostic role has not been determined. Thus, this study aimed to investigate the predictive/prognostic role of VCAM-1 for patients who have UCB treated with radical cystectomy (RC).

Methods: The study enrolled 1036 patients with clinically non-metastatic advanced UCB who underwent RC, and plasma VCAM-1 was evaluated preoperatively.

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Introduction: Vaporization of the prostate (VP) and endoscopic enucleation of the prostate (EEP) are reliable and frequently used methods for BPO relief. Both surgeries utilize lasers and EAU recommends them in similar patient cohorts. Our objective was to compare intra- and perioperative results of patients who had undergone VP and EEP.

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Background: Cisplatin-based neoadjuvant chemotherapy (NAC) followed by radical cystectomy (RC) with pelvic lymph-node dissection is the standard treatment for cT2-4a cN0 cM0 muscle-invasive bladder cancer (MIBC). Despite the significant improvement of primary-tumor downstaging with NAC, up to 50% of patients are eventually found to have advanced residual disease (pT3-T4 and/or histopathologically confirmed nodal metastases (pN+)) at RC. Currently, there is no established standard of care in such cases.

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Objectives: To perform a global survey assessing the role of and the attitudes toward media platforms amongst training Urologists METHODS: We distributed a 21-item online survey on social medial (SoMe) and other media platforms to current Urology trainees by email via individual institutions and multiple Urological associations. The survey acquired data including baseline characteristics, the role of and attitudes toward SoMe and other media platforms in training and assessed the prevalence of Social Media Disorder (SMD) based on the validated 9-item SMD Scale. Stata IC was used for statistical analysis.

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• The European commission has developed an index for risk management named INFORM. • Two dimensions (vulnerability and lack of coping capacity) are relevant to COVID-19. • We examined if these dimensions were associated with COVID-19 pandemic control.

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Urinary stone disease, or urolithiasis, is a very common disease with increasing prevalence and incidence. With the advancement of endoscopic techniques, the treatment outcomes of ureteroscopy (or transureteral lithotripsy) and percutaneous nephrolithotomy are continuously improving. In recent years, there have been many new developments in the field, including new endoscopy design, more effective auxiliary tools, improvement in treatment protocols, introduction of robotic technology, combining both ureteroscopy and percutaneous nephrolithotomy (endoscopic combined intrarenal surgery or transureteral lithotripsy-assisted percutaneous nephrolithotomy), improvement in laser technology, and so on.

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We investigated the performance characteristics of prostate-specific antigen (PSA) and PSA density (PSAD) in Chinese men. All Chinese men who underwent transrectal ultrasound-guided prostate biopsy (TRUS-PB) from year 2000 to 2013 were included. The receiver operating characteristic (ROC) curves for both PSA and PSAD were analyzed.

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Article Synopsis
  • The study analyzed the relationship between time to prostate-specific antigen nadir (TTPN) and prostate-specific antigen velocity after progression (Log(PSAVAP)) in metastatic prostate cancer patients who previously received primary androgen deprivation therapy (ADT).
  • It involved reviewing 419 patients, where 306 experienced disease progression, and categorizing them based on TTPN into three groups (<3 months, 3-17 months, >17 months).
  • Findings revealed that a longer TTPN correlated with a lower Log(PSAVAP), and specific TTPN cut-offs were significant for predicting Log(PSAVAP), suggesting TTPN could be useful for treatment planning in these patients.
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We investigated the prostate cancer detection rates upon transrectal ultrasound (TRUS)-guided biopsy in relation to digital rectal examination (DRE) and prostate-specific antigen (PSA), and risk factors of prostate cancer detection in the Chinese population. Data from all consecutive Chinese men who underwent first TRUS-guided prostate biopsy from year 2000 to 2013 was retrieved from our database. The prostate cancer detection rates with reference to DRE finding and PSA level of < 4, 4-10, 10.

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We investigated the cardiovascular thrombotic risk after surgical castration (SC) versus gonadotropin-releasing hormone agonists (GnRHa) in Chinese men with prostate cancer. All Chinese prostate cancer patients who were treated with SC or GnRHa from year 2000 to 2009 were reviewed and compared. The primary outcome was any new-onset of cardiovascular thrombotic events after SC or GnRHa, which was defined as any event of acute myocardial infarction or ischemic stroke.

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