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The efficacy of etoricoxib vs mefenamic acid in the treatment of primary dysmenorrhoea: a randomised comparative trial

Nor Azlin MI, Maryasalwati I, Norzilawati MN, Mahdy ZA, Jamil MA, Zainul Rashid MR

J Obstet Gynaecol, 2008 May;28(4):424-6.
PMID: 18604680 DOI: 10.1080/01443610802150051

Dysmenorrhoea is painful menstruation that occurs in 45-72% of all women. This was a prospective randomised study of the efficacy of etoricoxib (Arcoxia) compared with mefenamic acid (Ponstan) in treating primary dysmenorrhoea. All single, sexually inactive women with primary dysmenorrhoea were randomised into two groups (mefenamic acid and etoricoxib) of pain relief and underwent a cross-over study. The success of treatment as evidenced by pain relief, the side-effects and complications were observed and analysed. Some 80% (20 women) had significantly better pain relief with etoricoxib, compared with only 20 per cent in the mefenamic acid group (p = 0.007). Etoricoxib has significantly fewer side-effects compared with mefenamic acid (p = 0.005) with significantly reduced menstrual blood loss (p = 0.025). In conclusion, etoricoxib is a better treatment for primary dysmenorrhoea with better pain relief, less menstrual blood loss and fewer side-effects compared with mefenamic acid.

Matched MeSH terms: Pyridines/adverse effects
Fulltext Comparative efficacy and safety of warfarin care bundles and novel oral anticoagulants in patients with atrial fibrillation: a systematic review and network meta-analysis

Ng SS, Lai NM, Nathisuwan S, Jahan NK, Dilokthornsakul P, Kongpakwattana K, et al.

Sci Rep, 2020 01 20;10(1):662.
PMID: 31959803 DOI: 10.1038/s41598-019-57370-2

Warfarin care bundles (e.g. genotype-guided warfarin dosing, patient's self-testing [PST] or patient's self-management [PSM] and left atrial appendage closure) are based on the concept of combining several interventions to improve anticoagulation care. NOACs are also introduced for stroke prevention in atrial fibrillation (SPAF). However, these interventions have not been compared in head-to-head trials yet. We did a network meta-analysis based on a systematic review of randomized controlled trials comparing anticoagulant interventions for SPAF. Studies comparing these interventions in adults, whether administered alone or as care bundles were included in the analyses. The primary efficacy outcome was stroke and the primary safety outcome was major bleeding. Thirty-seven studies, involving 100,142 patients were assessed. Compared to usual care, PSM significantly reduced the risk of stroke (risk ratio [RR] 0.24, 95% CI 0.08-0.68). For major bleeding, edoxaban 60 mg (0.80, 0.71-0.90), edoxaban 30 mg (0.48, 0.42-0.56), and dabigatran 110 mg (0.81, 0.71-0.94) significantly reduced the risk of major bleeding compared with usual warfarin care. Cluster rank plot incorporating stroke and major bleeding outcomes indicates that some warfarin care bundles perform as well as NOACs. Both interventions are therefore viable options to be considered for SPAF. Additional studies including head-to-head trials and cost-effectiveness evaluation are still warranted.

Matched MeSH terms: Pyridines/adverse effects
Palbociclib and beyond for the treatment of HR + HER2- metastatic breast cancer: an Asian-Pacific perspective and practical management guide on the use of CDK4/6 inhibitors

Dawood S, Chiu JW, Huang CS, Nag S, Sookprasert A, Yap YS, et al.

Curr Med Res Opin, 2020 08;36(8):1363-1373.
PMID: 32544344 DOI: 10.1080/03007995.2020.1783646

Breast cancer is the most frequent cancer amongst women worldwide including in Asia where the incidence rate is rapidly increasing. Even with treatment, around 30% of patients with early breast cancer progress to metastatic disease, with hormone receptor positive (HR+) and human epidermal growth factor receptor 2 negative (HER2-) breast cancer the most common phenotype. First-line endocrine therapy targeting the estrogen receptor signaling pathway provides a median progression-free survival or time to progression of 6-15 months in HR + HER2- metastatic breast cancer. Recently, cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitors, combined with endocrine therapy, have achieved more than two years median progression-free survival in HR + HER2- metastatic breast cancer. However, the characteristics of the Asian breast cancer population differ from those of Western populations and need to be considered when selecting a suitable treatment. Breast cancer is diagnosed at a younger age in Asian populations and late stage at presentation is generally more common in low-/middle-income countries than high-income countries. Consequently, the proportion of premenopausal women with metastatic breast cancer is higher in Asian compared with Western populations. While CDK4/6 inhibitors have been approved in the USA (FDA) since 2015, experience with them in Asia is more limited. We review the experience with the CDK4/6 inhibitor palbociclib in Asian patients with HR + HER2- metastatic breast cancer and provide guidance on the use of palbociclib in these patients.

Matched MeSH terms: Pyridines/adverse effects
Association and correlation of different chemotherapeutic regimens and doses with onset and severity of anemia among solid cancer patients

Hassan BA, Yusoff ZB, Hassali MA, Othman SB

Asian Pac J Cancer Prev, 2011;12(10):2753-8.
PMID: 22320987

INTRODUCTION: Anemia is considered as one of the most frequent hematological demonstration of malignant diseases, which lead to momentous impairment in every tissues and organs of cancer patients and put them under serious stress. This major problem may arise because of the underlining diseases (i.e., cancer diseases) or radiotherapy or chemotherapy treatment received. This present study tries to find the association between anemia onset and severity with different chemotherapeutics regimens used in the treatment of several solid cancers and to find the association of anemia onset and severity with different doses of these chemotherapeutics drugs.
METHODS: This retrospective observational study was conducted in Penang General Hospital on 534 anemic solid cancer patients who were admitted between 2003 and 2009. The main statistical tests used were Chi-square test and Logistic regression test for categorical data. While for continues data the main statistical tests were Linear regression and correlation test. The significance of the result will be when the P<0.05, while the confidence interval for this study was 95%.
RESULTS: FEC, 5-FU+5-FU, Docetaxel and Cisplatin+ 5-FU regimen has strong association and correlation with anemia onset and severity. However the associations and correlations with anemia severity were stronger than those with the onset. Different doses of 5-FU, cyclophosphamide, docetaxel and cisplatin play a critical role in anemia onset and severity.
CONCLUSION: Monitoring and determination of hemoglobin levels for cancer patients treated with FEC, 5-FU+5-FU, Docetaxel, Cisplatin+ 5-FU specifically with high doses must be emphasized and a focus of particular attention.

Matched MeSH terms: Pyridines/adverse effects