Displaying publications 1 - 20 of 121 in total

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  1. ISOLATION OF HISTOPLASMA CAPSULATUM FROM THE SOIL OF A CAVE IN CENTRAL MALAYA
    PONNAMPALAM J
    Am J Trop Med Hyg, 1963 Sep;12:775-6.
    PMID: 14070771
    Matched MeSH terms: Doxorubicin
  2. Fulltext Bladder tumours - a review of 150 patients treated at the Institute of Urology and Nephrology General Hospital Kuala Lumpur
    Mahamooth Z, Awang H
    Med J Malaysia, 1983 Mar;38(1):4-8.
    PMID: 6633334
    One hundred and fifty patients with urothelial tumours were reviewed. They form the majority of patients with bladder cancer referred to the Institute of Urology over the past three years. From the study it becomes very apparent that the majority of patients are seen late in the course of their disease. The results of treatment of patients with early lesions have been satisfactory but the patients with late invasive lesions have very poor prognosis. A plea is made that one be more aware of this condition and that symptoms of haematuria and urinary tract infections should have a full urological assessment early.
    Matched MeSH terms: Doxorubicin/therapeutic use
  3. Treatment of childhood acute lymphoblastic leukemia in Malaysia, 1976-1982
    Lin HP, Sinnah D, Menaka N, Cherian R, Singh P
    Med. Pediatr. Oncol., 1983;11(5):327-32.
    PMID: 6579342
    One hundred four children with acute lymphoblastic leukaemia were diagnosed at the University Hospital, Kuala Lumpur, Malaysia, between 1976 and 1982; 87 were evaluable with respect to treatment. They were divided into good prognosis (GP) and bad prognosis (BP) groups based on their initial total white cell count, their treatment differing only during the maintenance phase. Remission was achieved in 82 patients (94%) of whom ten (12%) subsequently died in remission from infection. Twenty-eight (34%) relapsed while on treatment and three while off therapy. Eleven patients ceased treatment after 3 yr of continuous complete remission (CCR). Three of these later relapsed, two within the first year. Survival in CCR was significantly better in the GP group up to 30 months, after which the difference diminished. There was no difference in survival between boys and girls. The overall disease-free survival at 3 yr and 5 yr was 40% and 25%, respectively, with a median follow-up period of 20 months (range 4-69 months). The reasons for the relatively low survival rates as compared with those in developed countries are discussed.
    Matched MeSH terms: Doxorubicin/administration & dosage
  4. Fulltext Chemotherapy in nasopharyngeal carcinoma: review of results at University Hospital, Kuala Lumpur
    Khanijow VK, Prasad U, Chang CM
    Med J Malaysia, 1989 Dec;44(4):329-33.
    PMID: 2520043
    Nasopharyngeal carcinoma (NPC) is one of the commonest presentation of head and neck cancers in Malaysia, especially in the Chinese. The standard treatment is radical radiotherapy to the post-nasal space and the neck. Chemotherapy is given to patients with primary advanced disease and to patients with recurrence. The study reviews results of chemotherapy given to 33 patients at the University Hospital, Kuala Lumpur, over the last four years.
    Matched MeSH terms: Doxorubicin/therapeutic use
  5. Fulltext Treatment of small cell lung cancer with cyclophosphamide, adriamycin and vincristine (CAV) combination therapy: experience at University Hospital, Kuala Lumpur, Malaysia
    Lee SM
    Singapore Med J, 1990 Aug;31(4):317-20.
    PMID: 2175049
    Seventeen patients with small cell lung cancer (SCLC) were treated with cyclophosphamide, adriamycin and vincristine (CAV) combination chemotherapy. The overall response rate was 76.5% with 47% achieving complete response and 29.5% partial response. In limited and extensive stage disease, complete response was achieved in 67% and 36.5% respectively. Chinese were the predominant ethnic group affected (82%). Six patients presenting with superior vena cava obstruction responded significantly to CAV chemotherapy alone. Median survival for patients with extensive disease was 7.4 months. All patients with limited disease were still alive. Two relapsed patients with limited disease achieved significant response to VP-16/Cisplatin combination chemotherapy.
    Matched MeSH terms: Doxorubicin/administration & dosage
  6. Fulltext Combination chemotherapy for small cell lung cancer
    Sufarlan AW, Zainudin BM
    Med J Malaysia, 1993 Jun;48(2):166-70.
    PMID: 8394502
    Small cell lung cancer (SCLC) disseminates early and has poor prognosis. However, SCLC is highly chemosensitive, thus chemotherapy has been established as the primary mode of treatment. Seventeen patients (15 males and 2 females) with median age of 60 years (range 49 to 74 years) were treated with combination cyclophosphamide 750 mg/m2, adriamycin 40 mg/m2, vincristine 1.4 mg/m2 on day 1 and etoposide (VP 16) 75 mg/m2 on days 1 to 3 (CAVE). This combination was given in 6 courses at 3 weekly intervals. The response to the chemotherapy and the quality of life of patients was assessed at the third cycle and after the completion of therapy (sixth cycle). The overall response rate was 76.4%; 52.9% achieved complete response and 23.5% had partial response. The survival rate at 6 months was 70.8% and 4 patients (23.5%) were still alive after 1 year of chemotherapy. The median survival after therapy was 36 weeks. There was a 30% overall improvement in the Karnofsky performance score at the completion of chemotherapy. This study illustrated that the CAVE regimen is effective and beneficial in the majority of our patients with small cell lung cancer.
    Matched MeSH terms: Doxorubicin/administration & dosage
  7. Outcome of treatment in adult acute lymphoblastic leukaemia in an Asian population: comparison with previous multicentre German study
    Bosco I, Teh A
    Leukemia, 1995 Jun;9(6):951-4.
    PMID: 7596183
    Reports on the outcome of treatment in ALL in Asian (non-Caucasian) adults have been few, and published results compare very unfavourably with results of treatment from 'Western' centres. Seventy-four newly diagnosed Malaysian patients with ALL between the ages of 15 and 69 were treated from 1986 to 1990. The clinical features and prognostic factors were similar to those reported in 'Western' series. The chemotherapy protocol utilized was adapted from the one used by Hoelzer et al in the multicentre German study. The complete remission rate was 73%. The probability of continuous complete remission at 5 years was 29% with a median duration of remission of 15 months. This compares with Hoelzer's initial results of 77% CR rate and 35% CCR at 5 years. Patients with an initial white cell count of less than 30 x 10(9)/l at presentation were found to have a significantly better disease-free survival than those with a count of more than 30 x 10(9)/l (35 vs 22%, P = 0.026, univariate analysis). There was no difference in leukaemia-free survival according to age, sex, ethnic group, or immunophenotype. These results show that the use of moderately intensive chemotherapy protocols in Asian (non-Caucasian) patients achieves similar results to those used in Caucasians. We also showed that the difficulties in 'curing' approximately 70% of adult patient with ALL are universal.
    Matched MeSH terms: Doxorubicin/administration & dosage
  8. Non-steroid receptor-mediated antiproliferative activity of styrylpyrone derivative in human breast cancer cell lines
    Pihie AH, Stanslas J, Din LB
    Anticancer Res, 1998 May-Jun;18(3A):1739-43.
    PMID: 9673398
    The antiproliferative activity of a styrylpyrone derivative (SPD) plant extract, was studied in three different human breast cancer cell lines in culture, and was compared with tamoxifen. The number of living cells was evaluated by Methylene Blue staining technique. SPD showed strong antiproliferative activity in estrogen receptor (ER) and progestin receptor (PgR) positive MCF-7 cells (EC50 = 6.30 x 10(-7) M) and receptor-negative MDA-MB-231 (EC50 = 5.62 x 10(-7) M), but it partially inhibited the high progestin receptor positive T47D cells (EC50 = 1.58 x 10(-6) M). Whereas tamoxifen, a nonsteroidal antiestrogen exhibited strong inhibition on MCF-7 cells (EC50 = 1.41 x 10(-6) M) and partial inhibition on T47D cells (EC50 = 2.5 x 10(-6) M), but did not affect the MDA-MB-231 cells in the concentration range 0.1 nM-1 microM (EC50 = 5.01 microM). At the same concentration range SPD and tamoxifen did not inhibit the proliferation of normal human liver cell line CCL 13 and normal bovine kidney MDBK; whereas adriamycin, a common chemotherapy drug for the treatment of advance cancer, caused 95% inhibition at 10(-6) M. Competitive binding studies showed SPD had no ability to inhibit the binding of [3H]estradiol and [3H]progesterone to ER and PgR, respectively but, tamoxifen exhibited affinity for ER. Therefore, it can be concluded that the antiproliferative activity of SPD was selective towards breast cancer cell lines and not mediated by ER or PgR.
    Matched MeSH terms: Doxorubicin/toxicity
  9. Fine needle aspiration cytology of undifferentiated embryonal sarcoma of the liver: a case report
    Sharifah NA, Muhaizan WM, Rahman J, Zulfikar A, Zahari Z
    Malays J Pathol, 1999 Dec;21(2):105-9.
    PMID: 11068415
    The cytological features of a rare case of undifferentiated (embryonal) sarcoma of the liver are presented. The cytology smears showed singly dispersed polygonal and spindle cells as well as loose clusters of cells held together in myxoid material. Neoplastic cells were generally large with round, oval or lobulated nuclei. The cytoplasm was variable in amount with ill-defined borders. Occasional multinucleated cells were also present. Hyaline globules were present on sections of the cell block. Immunohistochemical studies performed showed positivity for vimentin, cytokeratin and alpha-1-antitrypsin (AAT) in the tumour cells.
    Matched MeSH terms: Doxorubicin/administration & dosage
  10. Isolation and bioactivities of constitutents of the roots of Garcinia atroviridis
    Permana D, Lajis NH, Mackeen MM, Ali AM, Aimi N, Kitajima M, et al.
    J Nat Prod, 2001 Jul;64(7):976-9.
    PMID: 11473441
    Two new prenylated compounds, the benzoquinone atrovirinone (1) and the depsidone atrovirisidone (2), were isolated from the roots of Garcinia atroviridis. Their structures were determined on the basis of the analysis of spectroscopic data. While compound 2 showed some cytotoxicity against HeLa cells, both compounds 1 and 2 were only mildly inhibitory toward Bacillus cereus and Staphylococcus aureus.
    Matched MeSH terms: Doxorubicin/pharmacology
  11. Myasthenia gravis and a rare complication of chemotherapy
    Ng CV
    Med J Aust, 2005 Feb 07;182(3):120.
    PMID: 15698357
    We describe a patient with myasthenia gravis and thymoma who developed recurrent severe myasthenic crises associated with the use of combination chemotherapy.
    Matched MeSH terms: Doxorubicin/administration & dosage
  12. Penggunaan Jaringan Neural Tiruan bagi menentukan Kekeruhan air berdasarkan Pencaman Corak Spektrum Pantulan (The use of Artificial Neural Network for Determination of Water Turbidity based on Pattern Recognition of the Reflectance Spectrum)
    Mohd. Azwani Shah Mat Lazim, Musa Ahmad, Zuriati Zakaria, Mohd. Nasir Taib
    Sains Malaysiana, 2005;34.
    Artificial neural network (ANN) was used in this study to determine water turbidity by using back propagation algorithm. Three wavelengths which represent reflectance intensity for eight standard samples were used as training input. The finding from the study shows that the trained network with number of epochs of 250,000 and learning rate of 0.001 gave the lowest sum of squared error (SSE) of 0.04. ANN was able to predict the turbidity of water based on the pattern recognition of the reflectance spectrum. The architecture of optimized ANN used in this study was 3:25:1. The average prediction error was 0.02.
    [Jaringan neural tiruan (ANN) dengan lagoritma perambatan balik (BP) telah digunakan dalam kajian ini untuk menentukan kekeruhan air. Tiga panjang gelombang yang mewakili serapan bagi lapan sampel telah dipilih sebagai imput latihan. Hasil kajian menunjukkan bagi jaringan terlatih dengan bilangan ulangan latihan 250,000 dan kadar pembelajaran 0.001 telah memberikan nilai SSE yang terendah iaitu 0.04. Dalam kajian ini jaringan ANN didapati boleh menentu dan meramalkan nilai kekeruhan sample air berdasarkan corak serapan pantulan. Arkitektur yang sesuai bagi kajian ini adalah 3:25:1. Purata ralat ramalan adalah 0.02].
    Matched MeSH terms: Doxorubicin
  13. Fulltext Modulating multidrug resistance gene in leukaemia cells by short interfering RNA
    Lim MN, Lau NS, Chang KM, Leong CF, Zakaria Z
    Singapore Med J, 2007 Oct;48(10):932-8.
    PMID: 17909680
    The multidrug resistance gene, MDR1, is one of the genes responsible for resistance to chemotherapy in the treatment of leukaemia and other cancers. The discovery of RNA interference in mammalian cells has provided a powerful tool to inhibit the expression of this gene. However, very little is known about the transfection of leukaemia cells with short interfering RNA (siRNA) targeted at MDR1. This study aims to evaluate the effectiveness of two chemically-synthesised siRNA in modulating MDR1 gene and inhibiting P-glycoprotein expression in leukaemic cells. We also evaluated two siRNA delivery methods in this study.
    Matched MeSH terms: Doxorubicin/pharmacology
  14. Fulltext Primary non-Hodgkin's lymphoma presenting as a uterine cervical mass
    Ab Hamid S, Wastie ML
    Singapore Med J, 2008 Mar;49(3):e73-5.
    PMID: 18362991
    We report a 43-year-old woman who presented with post-coital bleeding. Pelvic examination revealed a uterine cervical mass, which confirmed to be large B cell lymphoma on histopathological examination. Computed tomography showed a primary lesion in the uterine cervix with no lymph node or other extranodal involvement. The patient responded to CHOP (cyclophosphamide, adriamycin, vincristine and prednisolone) chemotherapy regime with no major side effects.
    Matched MeSH terms: Doxorubicin/administration & dosage
  15. PXR, CAR and HNF4alpha genotypes and their association with pharmacokinetics and pharmacodynamics of docetaxel and doxorubicin in Asian patients
    Hor SY, Lee SC, Wong CI, Lim YW, Lim RC, Wang LZ, et al.
    Pharmacogenomics J, 2008 Apr;8(2):139-46.
    PMID: 17876342
    Previously studied candidate genes have failed to account for inter-individual variability of docetaxel and doxorubicin disposition and effects. We genotyped the transcriptional regulators of CYP3A and ABCB1 in 101 breast cancer patients from 3 Asian ethnic groups, that is, Chinese, Malays and Indians, in correlation with the pharmacokinetics and pharmacodynamics of docetaxel and doxorubicin. While there was no ethnic difference in docetaxel and doxorubicin pharmacokinetics, ethnic difference in docetaxel- (ANOVA, P=0.001) and doxorubicin-induced (ANOVA, P=0.003) leukocyte suppression was observed, with Chinese and Indians experiencing greater degree of docetaxel-induced myelosuppression than Malays (Bonferroni, P=0.002, P=0.042), and Chinese experiencing greater degree of doxorubicin-induced myelosuppression than Malays and Indians (post hoc Bonferroni, P=0.024 and 0.025). Genotyping revealed both PXR and CAR to be well conserved; only a PXR 5'-untranslated region polymorphism (-24381A>C) and a silent CAR variant (Pro180Pro) were found at allele frequencies of 26 and 53%, respectively. Two non-synonymous variants were identified in HNF4alpha (Met49Val and Thr130Ile) at allele frequencies of 55 and 1%, respectively, with the Met49Val variant associated with slower neutrophil recovery in docetaxel-treated patients (ANOVA, P=0.046). Interactions were observed between HNF4alpha Met49Val and CAR Pro180Pro, with patients who were wild type for both variants experiencing least docetaxel-induced neutropenia (ANOVA, P=0.030). No other significant genotypic associations with pharmacokinetics or pharmacodynamics of either drug were found. The PXR-24381A>C variants were significantly more common in Indians compared to Chinese or Malays (32/18/21%, P=0.035) Inter-individual and inter-ethnic variations of docetaxel and doxorubicin pharmacokinetics or pharmacodynamics exist, but genotypic variability of the transcriptional regulators PAR, CAR and HNF4alpha cannot account for this variability.
    Matched MeSH terms: Doxorubicin/administration & dosage
  16. Selectivity of compounds isolated from the leaves of Nerium indicum Mill. on various human cancer cell lines
    Mae SH, Sofia M, Bolhuis RL, Nooter K, Oostrum RG, Subagus W, et al.
    Med J Malaysia, 2008 Jul;63 Suppl A:24-5.
    PMID: 19024965
    The leaves of Nerium indicum Mill. have been utilized traditionally to cure cancer. By Bioassay (BST) guided isolation method, six compounds were isolated from the CHCl3 extract of the leaves. Selectivity of these compounds (in 0.6-12,500 ng/ml) was tested on various human cancer (MCF7, EVSA-T, T47D, H226, IGROV, A498, WIDR, M19, HeLa) and normal (Vero) cells in vitro. Doxorubicin and cysplatin were used as positive controls. The result indicated that NiO2D (5alpha-oleandrin) possessed the best cytotoxic effect on HeLa cells (IC50, 8.38 x10(-6) mM) and NiO2C (16, 17-dehidrodeasetil-5alpha-oleandrin) on A498 cells (IC50, 1.43 x 10(-6) mM). Those two compounds were not cytotoxic to normal cell.
    Matched MeSH terms: Doxorubicin/pharmacology; Doxorubicin/therapeutic use
  17. Fulltext Primary lymphoma of the thyroid: diagnostic and therapeutic considerations
    Sarinah B, Hisham AN
    Asian J Surg, 2010 Jan;33(1):20-4.
    PMID: 20497878 DOI: 10.1016/S1015-9584(10)60004-8
    Primary thyroid lymphoma is uncommon and accounts for less than 2-5% of all thyroid malignancies. The aim of the present study was to review our experience and management of primary thyroid lymphoma and to discuss the diagnostic and therapeutic considerations.
    Matched MeSH terms: Doxorubicin
  18. HPLC method development and validation for simultaneous detection of Arabinoside-C and doxorubicin
    Mistiran AF, Dzarr AA, Gan SH
    Toxicol. Mech. Methods, 2010 Oct;20(8):472-81.
    PMID: 20626302 DOI: 10.3109/15376516.2010.503246
    This paper describes a new validated high performance liquid chromatography (HPLC) method for the simultaneous determination of two anti-cancer drugs, Arabinoside-C (Ara-C) and doxorubicin hydrochloride (DOX). A simultaneous determination method saves cost and time as both drugs can be injected into a single HPLC system without the need to change or re-equilibrate with a new mobile phase. The objective of the study is to develop a simultaneous determination method of two anti-cancer drugs, Ara-C and DOX. The mobile phase consisted of a mixture (45:55) of acetonitrile:ammonium hydrogen phosphate aqueous solution (0.01 M) at pH 6.2 at a flow rate of 0.3 ml/min, with UV detection at 252 nm. Separation was achieved on a C-18 column (5 µm: 250 mm × 4.6 mm) maintained at 30°C in a column oven. The method was linear between 325 ng/ml and 10 µg/ml for Ara-C and 625 ng/ml and 20 µg/ml for DOX. The limit of detection (LOD) was 20 ng/ml for Ara-C and 60 ng/ml for DOX. The developed HPLC method achieved good precision and accuracy as well as limit of quantitations. The developed and validated method is suitable to be used for routine analysis of Ara-C and DOX.
    Matched MeSH terms: Doxorubicin/analysis*
  19. Treatment options for locally advanced breast cancer--experience in an Asian tertiary hospital
    Chong HY, Taib NA, Rampal S, Saad M, Bustam AZ, Yip CH
    Asian Pac J Cancer Prev, 2010;11(4):913-7.
    PMID: 21133600
    BACKGROUND: Locally advanced breast cancer (LABC) is characterized by the presence of a large primary tumour (>5 cm) associated with or without skin or chest-wall involvement (T4) or with fixed (matted) axillary lymph nodes in the absence of any evidence of distant metastases. These cancers are classified as stage IIIA and IIIB according to the AJCC Staging System. Treatment of choice involves combinations of surgery, chemotherapy, radiotherapy and/or hormonal therapy. Current guidelines recommend primary surgery or neoadjuvant therapy followed by surgery. The primary objective of this study was to compare the outcome of LABC patients subjected to neoadjuvant chemotherapy before surgery and those who underwent surgery as the primary treatment and to determine prognostic predictors. Secondary objectives were to evaluate the response after neoadjuvant therapy and to determine the treatment compliance rate.

    METHODS: This retrospective study of Stage III breast cancer patients was conducted over a 5 year period from 1998 to 2002. The survival data were obtained from the National Registry of Births and Deaths with the end-point of the study in April 2006. The Kaplan Meier method was applied for survival analysis. Cox regression analysis by stepwise selection was performed to identify important prognostic factors.

    RESULTS: Out of a 155 evaluable patients, 74 (47.7%) had primary surgery, 62 (40%) had neoadjuvant chemotherapy, 10 patients (6.5%) were given Tamoxifen as the primary treatment, while 9 patients (5.8%) defaulted any form of treatment. After neoadjuvant chemotherapy, 9 patients defaulted further treatment, leaving 53 evaluable patients. Out of these 53 evaluable patients, 5 patients (9.4%) had complete pathological response, 5 (9.4%) a complete clinical response, and 26 (49.1%) had partial response after neoadjuvant chemotherapy. The 5-year survival in the primary surgery group was 56.7 % compared to 44.7% in the neoadjuvant chemotherapy group (p<0.01). The important prognostic factors were race, size of tumour, nodal status, estrogen receptor status and response to neoadjuvant chemotherapy.

    CONCLUSION: Patients who had primary surgery had better survival than those who underwent neoadjuvant chemotherapy, which may be due to bias in the selection of patients for neoadjuvant chemotherapy. Out of a total of 155 patients, 25.1% defaulted part of the treatment, or did not receive optimal treatment, emphasizing the importance of psychosocial support and counselling for this group of patients.

    Matched MeSH terms: Doxorubicin/administration & dosage
  20. Fulltext Transarterial embolisation of hepatocellular carcinoma with doxorubicin-eluting beads: single centre early experience
    Nawawi O, Hazman M, Abdullah B, Vijayananthan A, Manikam J, Mahadeva S, et al.
    Biomed Imaging Interv J, 2010 Jan-Mar;6(1):e7.
    PMID: 21611067 MyJurnal DOI: 10.2349/biij.6.1.e7
    This is a retrospective study to evaluate the results of our early experience of using doxorubicin eluting beads (DEB) to treat patients with early and intermediate hepatocellular carcinoma (HCC).
    Matched MeSH terms: Doxorubicin
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