1.Comprehensive characterization of genomic features and clinical outcomes following targeted therapy and secondary cytoreductive surgery in OCCC: a single center experience
Silvana Talisa WIJAYA ; Natalie YL NGOI ; Jerold WZ LOH ; Tuan Zea TAN ; Diana LIM ; Irfan Sagir KHAN ; Yee Liang THIAN ; Alexa LAI ; Bertrand WL ANG ; Pearl TONG ; Joseph NG ; Jeffrey JH LOW ; Arunachalam ILANCHERAN ; Siew Eng LIM ; Yi Wan LIM ; David SP TAN
Journal of Gynecologic Oncology 2024;35(5):e69-
Objective:
Ovarian clear cell carcinoma (OCCC) is associated with chemoresistance. Limited data exists regarding the efficacy of targeted therapies such as immune checkpoint inhibitors (ICI) and bevacizumab, and the role of secondary cytoreductive surgery (SCS).
Methods:
We retrospectively analyzed genomic features and treatment outcomes of 172 OCCC patients treated at our institution from January 2000 to May 2022. Next-generation sequencing (NGS) was performed where sufficient archival tissue was available.
Results:
64.0% of patients were diagnosed at an early stage, and 36.0% at an advanced stage.Patients with advanced/relapsed OCCC who received platinum-based chemotherapy plus bevacizumab followed by maintenance bevacizumab had a median first-line progressionfree survival (PFS) of 12.2 months, compared with 9.3 months for chemotherapy alone (hazard ratio=0.69; 95% confidence interval [CI]=0.33, 1.45). In 27 patients who received an ICI, the overall response rate was 18.5% and median duration of response was 7.4 months (95% CI=6.5, 8.3). In 17 carefully selected patients with fewer than 3 sites of relapse, median PFS was 35 months (95% CI=0, 73.5) and median overall survival was 96.8 months (95% CI=44.6, 149.0) after SCS. NGS on 58 tumors revealed common mutations in ARID1A (48.3%), PIK3CA (46.6%), and KRAS (20.7%). Pathogenic alterations in PIK3CA, FGFR2, and NBN were associated with worse survival outcomes. Median tumor mutational burden was 3.78 (range, 0–16). All 26 patients with available loss of heterozygosity (LOH) scores had LOH <16%.
Conclusion
Our study demonstrates encouraging outcomes with bevacizumab and ICI, and SCS in select relapsed OCCC patients. Prospective trials are warranted.
2.Comprehensive characterization of genomic features and clinical outcomes following targeted therapy and secondary cytoreductive surgery in OCCC: a single center experience
Silvana Talisa WIJAYA ; Natalie YL NGOI ; Jerold WZ LOH ; Tuan Zea TAN ; Diana LIM ; Irfan Sagir KHAN ; Yee Liang THIAN ; Alexa LAI ; Bertrand WL ANG ; Pearl TONG ; Joseph NG ; Jeffrey JH LOW ; Arunachalam ILANCHERAN ; Siew Eng LIM ; Yi Wan LIM ; David SP TAN
Journal of Gynecologic Oncology 2024;35(5):e69-
Objective:
Ovarian clear cell carcinoma (OCCC) is associated with chemoresistance. Limited data exists regarding the efficacy of targeted therapies such as immune checkpoint inhibitors (ICI) and bevacizumab, and the role of secondary cytoreductive surgery (SCS).
Methods:
We retrospectively analyzed genomic features and treatment outcomes of 172 OCCC patients treated at our institution from January 2000 to May 2022. Next-generation sequencing (NGS) was performed where sufficient archival tissue was available.
Results:
64.0% of patients were diagnosed at an early stage, and 36.0% at an advanced stage.Patients with advanced/relapsed OCCC who received platinum-based chemotherapy plus bevacizumab followed by maintenance bevacizumab had a median first-line progressionfree survival (PFS) of 12.2 months, compared with 9.3 months for chemotherapy alone (hazard ratio=0.69; 95% confidence interval [CI]=0.33, 1.45). In 27 patients who received an ICI, the overall response rate was 18.5% and median duration of response was 7.4 months (95% CI=6.5, 8.3). In 17 carefully selected patients with fewer than 3 sites of relapse, median PFS was 35 months (95% CI=0, 73.5) and median overall survival was 96.8 months (95% CI=44.6, 149.0) after SCS. NGS on 58 tumors revealed common mutations in ARID1A (48.3%), PIK3CA (46.6%), and KRAS (20.7%). Pathogenic alterations in PIK3CA, FGFR2, and NBN were associated with worse survival outcomes. Median tumor mutational burden was 3.78 (range, 0–16). All 26 patients with available loss of heterozygosity (LOH) scores had LOH <16%.
Conclusion
Our study demonstrates encouraging outcomes with bevacizumab and ICI, and SCS in select relapsed OCCC patients. Prospective trials are warranted.
3.Comprehensive characterization of genomic features and clinical outcomes following targeted therapy and secondary cytoreductive surgery in OCCC: a single center experience
Silvana Talisa WIJAYA ; Natalie YL NGOI ; Jerold WZ LOH ; Tuan Zea TAN ; Diana LIM ; Irfan Sagir KHAN ; Yee Liang THIAN ; Alexa LAI ; Bertrand WL ANG ; Pearl TONG ; Joseph NG ; Jeffrey JH LOW ; Arunachalam ILANCHERAN ; Siew Eng LIM ; Yi Wan LIM ; David SP TAN
Journal of Gynecologic Oncology 2024;35(5):e69-
Objective:
Ovarian clear cell carcinoma (OCCC) is associated with chemoresistance. Limited data exists regarding the efficacy of targeted therapies such as immune checkpoint inhibitors (ICI) and bevacizumab, and the role of secondary cytoreductive surgery (SCS).
Methods:
We retrospectively analyzed genomic features and treatment outcomes of 172 OCCC patients treated at our institution from January 2000 to May 2022. Next-generation sequencing (NGS) was performed where sufficient archival tissue was available.
Results:
64.0% of patients were diagnosed at an early stage, and 36.0% at an advanced stage.Patients with advanced/relapsed OCCC who received platinum-based chemotherapy plus bevacizumab followed by maintenance bevacizumab had a median first-line progressionfree survival (PFS) of 12.2 months, compared with 9.3 months for chemotherapy alone (hazard ratio=0.69; 95% confidence interval [CI]=0.33, 1.45). In 27 patients who received an ICI, the overall response rate was 18.5% and median duration of response was 7.4 months (95% CI=6.5, 8.3). In 17 carefully selected patients with fewer than 3 sites of relapse, median PFS was 35 months (95% CI=0, 73.5) and median overall survival was 96.8 months (95% CI=44.6, 149.0) after SCS. NGS on 58 tumors revealed common mutations in ARID1A (48.3%), PIK3CA (46.6%), and KRAS (20.7%). Pathogenic alterations in PIK3CA, FGFR2, and NBN were associated with worse survival outcomes. Median tumor mutational burden was 3.78 (range, 0–16). All 26 patients with available loss of heterozygosity (LOH) scores had LOH <16%.
Conclusion
Our study demonstrates encouraging outcomes with bevacizumab and ICI, and SCS in select relapsed OCCC patients. Prospective trials are warranted.
4.Health-Related Quality of Life Assessment in Prostate Cancer Patient Undergoing Androgen Deprivation Therapy: Real-World Experience in the READT Study
Jasmine LIM ; Chi-Fai NG ; Yong WEI ; Teng Aik ONG ; Peggy Sau-Kwan CHU ; Wayne Kwun Wai CHAN ; Chao Yuan HUANG ; Kuo-Kang FENG ; Jeremy Yuen-Chun TEOH ; Ning XU ; Jer Wei LOW ; Wei Sien YEOH ; Peter Ka-Fung CHIU ; Chi-Hang YEE ; Steven Chi Ho LEUNG
The World Journal of Men's Health 2024;42(2):449-459
Purpose:
To investigate the effect of androgen deprivation therapy (ADT) on health-related quality of life (HRQOL) in Asian men with all stages of prostate cancer.
Materials and Methods:
READT (real-life evaluation of the effect of ADT in prostate cancer patients in Asia) was a multi-center, prospective observational study involving six sites across four Asian populations. We enrolled eligible prostate cancer patients, who opted for ADT alone or in combination without prior neoadjuvant or adjuvant ADT within 12 months. The EuroQoL-5 dimensions, 5 level scale (EQ-5D-5L) utility index scores and visual analog scale (VAS) were evaluated at baseline, month 6 and month 12.
Results:
A total of 504 patients were recruited into READT between September 2016 and May 2020 with 52.9% diagnosed with metastatic prostate cancer. The EQ-5D-5L was evaluable in 442/504 (87.7%) of patients. Overall baseline EQ-5D-5L utility index score was 0.924 (interquartile range [IQR] 0.876–1.000). We observed a statistically significant difference in baseline EQ-5D-5L utility index score among different populations with a median EQ-5D-5L utility index score of 1 for Taiwan & Hong Kong, 0.897 for China and 0.838 for Malaysia. Similar trend was observed throughout multiple treatment time-points. Stage IV prostate cancer were significantly associated with a lower baseline EQ-5D-5L utility index score compared to stage I–III prostate cancer, producing a median disutility value of -0.080. Participants had a high median VAS (80, IQR 70–90), indicating good overall health on average during ADT initiation.
Conclusions
The study highlights the differences in health state utility index scores among various Asian prostate cancer patients receiving ADT at real-world setting. Our findings will be informative and useful in cost-effectiveness evaluation and policy decision making.
5.An Unusual Presentation of Neurotized Congenital Giant Melanocytic Nevus and Type 1 Neurofibromatosis: A Diagnostic Challenge
Qin Jian Low ; Tzyy Huei Lim ; Ri An Lee ; Seng Wee Cheo ; Noor &lsquo ; Ain Mohd Nasir ; Ikmal Hisyam Bakrin ; Wen Yee Evelyn Yap
Malaysian Journal of Medicine and Health Sciences 2022;18(No.1):372-374
Among the three subtypes of neurofibromatosis are type 1 and 2 neurofibromatosis and schwannomatosis, von
Recklinghausen disease also known as type 1 neurofibromatosis has an autosomal dominant inheritance. It is the
commonest form as and presents with numerous café-au-lait macules and neurofibromas. Giant congenital melanocytic nevus (CGMN) on the other hand is characterized by a melanocytic proliferation that present at birth. CGMN
develops due to a defective embryonic pigment cell (melanocyte) precursors development and are often present at
birth. Giant congenital melanocytic nevus (CGMN) and type 1 neurofibromatosis may occur together rarely. Clinicians should be aware of the rare presentation of both CGMN and type 1 neurofibromatosis in a patient.
6.Case scenario: Management of major depressive disorder in primary care based on the updated Malaysian clinical practice guidelines
Mohd Aminuddin Mohd Yusof ; Uma Visvalingam ; Umi Adzlin Silim ; Muhammad Muhsin Ahmad Zahari ; Firdaus Abdul Gan ; Noormazita Mislan ; Noor Izuana Redzuan ; Peter Kuan Hoe Low ; Sing Yee Tan ; Masseni Abd Aziz ; Aida Syarinaz Ahmad Adlan ; Suzaily Wahab
Malaysian Family Physician 2022;17(1):71-77
Major depressive disorder (MDD) is a common but complex illness that is frequently presented in the primary care setting. Managing this disorder in primary care can be difficult, and many patients are underdiagnosed and/or undertreated. The Malaysian Clinical Practice Guidelines (CPG) on the Management of Major Depressive Disorder (MDD) (2nd ed.), published in 2019, covers screening, diagnosis, treatment and referral (which frequently pose a challenge in the primary care setting) while minimising variation in clinical practice.
Depression
;
Depressive Disorder, Major
;
Primary Health Care
;
Therapeutics
7.A case of xanthogranulomatous appendicitis in the female pelvis
Wai Heng Yung ; Ching Hsia Caroline Siew ; Hwei Yee Lee ; Hsien Min Low
The Medical Journal of Malaysia 2021;76(1):114-117
Xanthogranulomatous inflammation is an uncommon form
of chronic inflammatory process. Only a few isolated case
reports of xanthogranulomatous appendicitis (XA) have
been published. XA has nonspecific imaging findings and
cannot be reliably differentiated on imaging from locally
advanced malignancy. XA however follows a benign course
and can potentially be treated with surgical resection.
8.Primary splenic hodgkin lymphoma masquerading as splenic abscess
Tee Tat Khoo ; Seng Wee Cheo ; Qin Jian Low ; Yee Ann Tan ; Lily Lee Lee Wong
The Medical Journal of Malaysia 2021;76(1):118-120
Hodgkin lymphoma is a form of malignant lymphoid
neoplasm. It can have various clinical presentations such as
prolonged fever, night sweats, weight loss and
asymptomatic lymphadenopathy. It has a distinct fever
pattern known as Pel Ebstein fever. However, in some
instances, its clinical presentation can mimic some tropical
infections. Here, we present a case of primary splenic
lymphoma masquerading as splenic abscess in a 53-yearold man with underlying dyslipidemia.
9.Analysis of Cholangitis Rates with Extended Perioperative Antibiotics and Adjuvant Corticosteroids in Biliary Atresia
Lynette GOH ; Kong Boo PHUA ; Yee LOW ; Li Wei CHIANG ; Chen YONG ; Fang Kuan CHIOU
Pediatric Gastroenterology, Hepatology & Nutrition 2021;24(4):366-376
Purpose:
There is no consensus regarding adjuvant therapies following Kasai portoenterostomy (KP) for biliary atresia (BA). This study aimed to analyze the effect of extended perioperative intravenous antibiotics (PI-Abx) and adjuvant corticosteroid on cholangitis and jaundice clearance rates in the 3 years post-KP in children with BA.
Methods:
Data of patients who underwent KP between 1999-2018 at a single center were retrospectively analyzed. Group A (1999–2010) received PI-Abx for 5 days, Group B (2010–2012) received PI-Abx for 5 days plus low-dose prednisolone (2 mg/kg), and Group C (2012–2017) received PI-Abx for 14 days plus high-dose prednisolone (5 mg/kg).
Results:
Fifty-four patients were included with groups A, B, and C comprising 25, 9, and 20 patients, respectively. The number of episodes of cholangitis was 1.0, 1.6, and 1.3 per patient (p=NS) within the first year and 1.8, 2.3, and 1.7 (p=NS) over 3 years in Groups A, B, and C, respectively. The jaundice clearance rate at 6 months was 52%, 78%, and 50% (p=NS), and the 3-year native liver survival (NLS) rate was 76%, 100%, and 80% (p=NS) in Groups A, B, and C, respectively. A near-significant association was observed between the incidence of cholangitis within the first year and decompensated liver cirrhosis/death at 3 years post KP (p=0.09). Persistence of jaundice at 6 months was significantly associated with decompensated cirrhosis/death at 3 years (p<0.001).
Conclusion
The extended duration of PI-Abx and adjuvant corticosteroids was not associated with improved rates of cholangitis, jaundice clearance, or NLS in patients with BA.
10.Analysis of Cholangitis Rates with Extended Perioperative Antibiotics and Adjuvant Corticosteroids in Biliary Atresia
Lynette GOH ; Kong Boo PHUA ; Yee LOW ; Li Wei CHIANG ; Chen YONG ; Fang Kuan CHIOU
Pediatric Gastroenterology, Hepatology & Nutrition 2021;24(4):366-376
Purpose:
There is no consensus regarding adjuvant therapies following Kasai portoenterostomy (KP) for biliary atresia (BA). This study aimed to analyze the effect of extended perioperative intravenous antibiotics (PI-Abx) and adjuvant corticosteroid on cholangitis and jaundice clearance rates in the 3 years post-KP in children with BA.
Methods:
Data of patients who underwent KP between 1999-2018 at a single center were retrospectively analyzed. Group A (1999–2010) received PI-Abx for 5 days, Group B (2010–2012) received PI-Abx for 5 days plus low-dose prednisolone (2 mg/kg), and Group C (2012–2017) received PI-Abx for 14 days plus high-dose prednisolone (5 mg/kg).
Results:
Fifty-four patients were included with groups A, B, and C comprising 25, 9, and 20 patients, respectively. The number of episodes of cholangitis was 1.0, 1.6, and 1.3 per patient (p=NS) within the first year and 1.8, 2.3, and 1.7 (p=NS) over 3 years in Groups A, B, and C, respectively. The jaundice clearance rate at 6 months was 52%, 78%, and 50% (p=NS), and the 3-year native liver survival (NLS) rate was 76%, 100%, and 80% (p=NS) in Groups A, B, and C, respectively. A near-significant association was observed between the incidence of cholangitis within the first year and decompensated liver cirrhosis/death at 3 years post KP (p=0.09). Persistence of jaundice at 6 months was significantly associated with decompensated cirrhosis/death at 3 years (p<0.001).
Conclusion
The extended duration of PI-Abx and adjuvant corticosteroids was not associated with improved rates of cholangitis, jaundice clearance, or NLS in patients with BA.


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