Displaying publications 121 - 140 of 196 in total

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  1. 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: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  2. Fadilah SA, Cheong SK
    Singapore Med J, 2000 Dec;41(12):595-8.
    PMID: 11296785
    A 37-year-old Malay man presented initially with the clinical picture of essential thrombocythaemia (ET) without the extreme leukocytosis, marked splenomegaly and low neutrophil alkaline phosphatase characteristic of chronic myelogenous leukaemia (CML). Bone marrow examination showed massive megakaryocytic hyperplasia; cytogenetic studies showed the presence of Philadelphia chromosome. The patient was treated with hydroxyurea that resulted in reduction in the platelet count. Seventeen months later, he presented with fever associated with tender massive splenomegaly. Bone marrow finding was consistent with chronic phase CML. The presence of a rearrangement involving the major breakpoint cluster region (M-bcr) on chromosome 22 was confirmed by reverse transcriptase-polymerase chain reaction. The clinical importance of finding the Philadelphia chromosome in patients who seem to have ET is in assessing prognosis. ET generally follows a chronic, indolent course. However, this patient who had Philadelphia chromosome underwent clinical transition to chronic phase CML17 months and blast crisis 29 months after presentation.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  3. Wahab NA, Zainudin S, AbAziz A, Mustafa N, Sukor N, Kamaruddin NA
    Arch Iran Med, 2016 Sep;19(9):671-3.
    PMID: 27631184 DOI: 0161909/AIM.0012
    Adrenal cell carcinoma is a rare tumor and more than 70% of patients present with advanced stages. Adrenal cell carcinoma is an aggressive tumor with a poor prognosis. Surgical intervention is the gold standard treatment and mitotane is the only drug approved for the treatment of adrenal cell carcinoma. Until recently in 2012, the etoposide, doxorubicin, cisplatin plus mitotane are approved as first-line therapy based on response rate and progression-free survival. This case illustrates a case of advanced adrenal cell carcinoma in a young girl who presented with huge adrenal mass with inferior vena cava thrombosis and pulmonary embolism. Multi-approach of therapy was used to control the tumor size and metastasis. Therefore, it may prolong her survival rate for up to 5 years and 4 months.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  4. Lee SM
    Singapore Med J, 1990 Jun;31(3):228-32.
    PMID: 2168091
    Twelve patients with advanced inoperable non-small cell lung cancer (NSCLC) were treated with mitomycin, vinblastine and cisplatin (MVP) combination chemotherapy. The overall response rate was 33% (4 partial responses and no complete response) with a median survival of seven months. One responder above subsequently achieved complete remission following successful resection of his tumour and is still alive 14 months after initial chemotherapy. Responses were observed in patients with good performance status and limited disease. Side-effects were generally well tolerated and manageable. MVP is an effective regimen and the low response rate achieved here as compared to other centres is also discussed.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  5. Sen DK, Sivanesaratnam V, Chuah CY, Ch'ng SL, Singh J, Paramsothy M
    Acta Obstet Gynecol Scand, 1987;66(5):425-8.
    PMID: 3425244
    Of 36 cases of choriocarcinoma treated at the University Hospital Kuala Lumpur during 1980-84 inclusive, 6 patients were found to have cerebral metastases. Intrathecal methotrexate and combination chemotherapy were started in all cases, with monitoring of tumor growth by serial beta-HCG assays and CT scanning of brain and lung. Chemotherapy was reduced because of severe toxicity in 2 patients, one of whom received radiotherapy to the brain. Four patients (66%) have now been in remission for 2.5-6 years. Two did not respond to therapy and died. The factors involved in therapy and response are discussed.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  6. Narasimha K
    Gan To Kagaku Ryoho, 1992 Jul;19(8 Suppl):1220-3.
    PMID: 1514835
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  7. Said H, Phang KS, Razi A, Khuzaiyah R, Patawari PH, Esa R
    J Laryngol Otol, 1988 Jul;102(7):614-9.
    PMID: 3411216
    Three cases of embryonal rhabdomyosarcoma in the middle ear and mastoid in children are presented. Diagnosis was confirmed by histopathology. A multidisciplinary approach employing surgery, chemotherapy and radiation therapy is the method of choice in the management of this rare and highly lethal condition.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  8. Sivanesaratnam V, Sen DK
    J Reprod Med, 1988 Apr;33(4):402-3.
    PMID: 2452881
    Pregnancy after treatment of choriocarcinoma with cerebral metastases is uncommon. We treated a patient successfully with less-toxic chemotherapeutic agents than those advocated by others together with whole brain irradiation. She subsequently had two uneventful pregnancies.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  9. Arul M, Roslani AC, Cheah SH
    In Vitro Cell Dev Biol Anim, 2017 May;53(5):435-447.
    PMID: 28120247 DOI: 10.1007/s11626-016-0126-x
    Tumor heterogeneity may give rise to differential responses to chemotherapy drugs. Therefore, unraveling tumor heterogeneity has an implication for biomarker discovery and cancer therapeutics. To test this phenomenon, we investigated the differential responses of three secondary colorectal cancer cell lines of different origins (HCT116, HT29, and SW620 cells) and four novel primary cell lines obtained from different colorectal cancer patients to 5-fluorouracil (5-FU) and oxaliplatin (L-OHP) and explored the differences in gene expression among the primary cell lines in response to exposure to cytotoxic drugs. Cells were exposed to different doses of 5-FU and L-OHP separately or in combinations of equitoxic drug or equimolar drug ratios (median effect of Chou-Talalay principle). Cell viability was assessed using MTT assay and the respective IC50values were determined. Changes in gene expression in primary cell lines after exposure to the same drug doses were compared using real-time PCR array. The sensitivities (IC50) of different cell lines, both secondary and primary, to 5-FU and L-OHP were significantly different, whether in monotherapy or combined treatment. Primary cell lines needed higher doses to reach IC50. There were variations in gene expression among the primary cell lines of different chemosensitivities to the challenge of the same combined dose of 5-FU and L-OHP. The results confirm the heterogeneous nature of colorectal cancer cells from different patient tumors. Studies using primary cancer cells established from patient's tumors rather than secondary cell lines will more closely reflect the actual character of the disease.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/administration & dosage
  10. Prasad U, Wahid MI, Jalaludin MA, Abdullah BJ, Paramsothy M, Abdul-Kareem S
    Int J Radiat Oncol Biol Phys, 2002 Jul 1;53(3):648-55.
    PMID: 12062608
    To assess the long-term survival of patients with nasopharyngeal carcinoma (NPC) who were treated with conventional radical radiotherapy (RT) followed by adjuvant chemotherapy.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  11. Shafiee MN, Kah Teik C, Md Zain RR, Kampan N
    Horm Mol Biol Clin Investig, 2019 Aug 09;41(2).
    PMID: 31398145 DOI: 10.1515/hmbci-2019-0037
    Uterine leiomyosarcoma (LMS) is rare but primary ovarian LMS is even rarer constituting less than 0.1% of all gynecologic disorders. Neither histologic features nor immunohistochemistry could be utilized to distinguish between uterine or ovarian origin. We illustrate a clinical case of metastatic LMS to the ovary in a woman with underlying uterine fibroid presenting with anemia with heavy menses.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  12. Azrif M, Leong YK, Aslan NM, Fong KV, Ismail F
    Asian Pac J Cancer Prev, 2012;13(6):2467-71.
    PMID: 22938405
    INTRODUCTION: Although bleomycin/etoposide/cisplatinum (BEP) chemotherapy is established as the standard treatment for germ cell tumours, it requires significant experience in administration and toxicity management to maintain optimal dose intensity. A retrospective review of 30 patients was conducted at UKMMC to study treatment outcomes.

    METHODS AND MATERIALS: Patients with GCTs and treated with at least two cycles of BEP chemotherapy between January 2003 and Oct 2009 were eligible for this study. Patients received 4-6 cycles of bleomycin 30,000IU IV D1, D8 and D15 and either etoposide 100mg/m2 IV D1- D5 and cisplatin 20mg/m2 IV D1- D5 (5 day BEP regimen) or etoposide 165 mg/m2 D1- D3 and cisplatin 50mg/m2 D1-3 (3 day BEP regimen) every three weeks per cycle. All patients received prophylactic granulocyte colony-stimulating factor (GCSF) from days 6 to 10 of each cycle. The overall response rates, 2 year progression-free survival and overall survival of the whole cohort were assessed.

    RESULTS: Thirty patients fulfilled the inclusion criteria. Non-seminomatous GCTs comprised 93.3% of cases and gonadal and mediastinal primary sites were the most common. Sixty percent were classified as IGCCCG poor risk disease. Median follow-up was 26.6 months. The overall response rate (CR+PR) was 70%. The two year PFS and OS were 70% and 66%. There was a significant difference in terms of the overall response rate (85% vs 40%, p = 0.03) and in PFS (94.7% vs 50%, p = 0.003) between gonadal and extragonadal primary sites.

    CONCLUSION: It is possible to achieve outcomes similar to those in international clinical trials with close monitoring and good supportive care of patients undergoing BEP chemotherapy. There is a strong argument for patients with IGCCCG poor prognosis disease to be treated in specialist tertiary centres to optimize treatment outcomes.

    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  13. Tayib S, van Wijk L, Denny L
    Int. J. Gynecol. Cancer, 2011 Dec;21(9):1684-91.
    PMID: 21997172 DOI: 10.1097/IGC.0b013e31822d8ffd
    OBJECTIVES: The objective of the study was to describe the management of gestational trophoblastic neoplasia (GTN), with particular reference to concurrent human immunodeficiency virus (HIV) infection.

    METHODS: This retrospective descriptive study comprised all cases of GTN managed at Groote Schuur Hospital over a 10-year period (1999-2008).

    RESULTS: Seventy-six patients, with a median age of 30 years at presentation, were included in the study. Only 36 patients (47.4%) had known HIV status. Fourteen (18.4%) were HIV positive, and of these, 4 (28.6%) were on antiretroviral treatment (ARV). The mean CD4 count was 142 cells/μL for those on ARV and 543 cells/μL for those not on ARV (P = 0.001). Histologically, 44 patients (58%) had hydatidiform mole, and 21 (28%) had choriocarcinoma. In the remaining 10 cases, a clinical diagnosis was made. Based on the revised International Federation of Gynecology and Obstetrics (FIGO)/modified World Health Organization scoring, 43 patients (56.6%) were low risk, and 33 (43.4%) were high risk. Thirty-eight patients (50%) were staged as FIGO stage I. Of 73 patients who received chemotherapy, 56 (76.7%) achieved complete remission, 9 (12.3%) did not achieve any remission, 7 (9.6%) had a relapse, and 1 (1.4%) was lost to follow-up. Patients who never went into remission had frequent treatment delays due to poor compliance or inadequate blood counts. The overall survival at 60 months was 81.9%. Of the 13 patients (17.1%) who have died, 5 (38.5%) were HIV positive. The overall 5-year survival rates for FIGO stages I, II, III, and IV were 97.4%, 66.7%, 77.8%, and 46.2%, respectively. The overall 5-year survival for HIV-positive patients was 64.3% versus more than 85% for both the HIV-negative and HIV-unknown groups.

    CONCLUSIONS: Apart from more advanced stage, HIV seropositivity and poor compliance with treatment also portend poorer outcome in GTN patients. In HIV-positive patients with poor CD4, little clarity is available whether ARV should be commenced speedily, and the administration of chemotherapy delayed until immune reconstitution occurs.

    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  14. Abdul Rahman A, Jamal AR, Harun R, Mohd Mokhtar N, Wan Ngah WZ
    PMID: 24980711 DOI: 10.1186/1472-6882-14-213
    Gamma-tocotrienol (GTT), an isomer of vitamin E and hydroxy-chavicol (HC), a major bioactive compound in Piper betle, has been reported to possess anti-carcinogenic properties by modulating different cellular signaling events. One possible strategy to overcome multi-drug resistance and high toxic doses of treatment is by applying combinational therapy especially using natural bioactives in cancer treatment.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/pharmacology*
  15. Ramanathan A, Mahmoud HA, Hui LP, Mei NY, Valliappan V, Zain RB
    Asian Pac J Cancer Prev, 2014;15(4):1633-7.
    PMID: 24641380
    BACKGROUND: Lymphoma is a malignant neoplasm of lymphoid tissue classified into Hodgkin's and non-Hodgkin's types. It mostly affects lymph nodes although a considerable proportion of Non-Hodgkin's cases occur in extranodal sites.

    MATERIALS AND METHODS: Selected cases diagnosed as non-Hodgkin's lymphoma (NHL) during the period of 1980 to 2012 were retrieved from the archives of the Oral Pathology Diagnostic Laboratory, Faculty of Dentistry, University of Malaya. The sections from the formalin-fixed paraffin embedded tissue blocks were stained with H and E as well as with LCA, CD20, and CD3.

    RESULTS: The mean age was 41.6 years with a male: female ratio of 1.3:1. Out of the forty two cases, nineteen were Malays, eighteen were Chinese, followed by Indians (3) and Indonesians (2). The most common site of involvement was the mandible (22.2%), followed by the maxilla and palate (19.4% each). Most of the lesions presented as a painless progressive swelling. Only thirty six cases were further subdivided into B or T cell types. The majority were B-cell type (26 cases), of these 6 cases were Burkitt's lymphomas. Only ten cases were T-cell lymphoma, with three cases of NK/T-cell lymphoma.

    CONCLUSIONS: In this series of 42 patients diagnosed as extranodal non-Hodgkin's lymphoma, the lesions appeared as painless swellings, mostly in men with the mandible as the most frequent site of involvement. Majority were B-cell lymphomas with Malays and Chinese being equally affected whereas lymphomas were rare in the Indian ethnicity. T-cell lymphomas were found to be common in the Chinese ethnic group.

    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  16. Phuah NH, In LL, Azmi MN, Ibrahim H, Awang K, Nagoor NH
    Reprod Sci, 2013 May;20(5):567-78.
    PMID: 23012319 DOI: 10.1177/1933719112459220
    The aims of this study were to investigate the combined effects of a natural compound 1'S-1'-acetoxychavicol acetate (ACA) with cisplatin (CDDP) on HPV-positive human cervical carcinoma cell lines (Ca Ski-low cisplatin sensitivity and HeLa-high cisplatin sensitivity), and to identify microRNAs (miRNAs) modulated in response toward ACA and/or CDDP. It was revealed that both ACA and CDDP induced dose- and time-dependent cytotoxicity when used as a stand-alone agent, while synergistic effects were observed when used in combination with a combination index (CI) value of 0.74 ± 0.01 and 0.85 ± 0.01 in Ca Ski and HeLa cells, respectively. A total of 25 miRNAs were found to be significantly differentially expressed in response to ACA and/or CDDP. These include hsa-miR-138, hsa-miR-210, and hsa-miR-744 with predicted gene targets involved in signaling pathways regulating apoptosis and cell cycle progression. In conclusion, ACA acts as a chemosensitizer which synergistically potentiates the cytotoxic effect of CDDP in cervical cancer cells. The altered miRNA expression upon administration of ACA and/or CDDP suggests that miRNAs play an important role in anticancer drug responses, which can be manipulated for therapeutic purposes.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/pharmacology*
  17. Ariffin H, Garcia JC, Daud SS, Ibrahim K, Aizah N, Ong GB, et al.
    Pediatr Blood Cancer, 2009 Jul;53(1):108-11.
    PMID: 19260099 DOI: 10.1002/pbc.21983
    Children with Down syndrome and acute megakaryoblastic leukemia (DS-AMKL) have been shown to have increased sensitivity to cytarabine based chemotherapy. The excellent prognosis in patients with DS-AMKL may be due to mutations in the GATA1 gene leading to reduced expression of the enzyme cytidine deaminase. This leads to a decreased ability to convert cytarabine into its inactive metabolite, resulting in high intracellular concentration of this cytotoxic agent. We report two cases of DS-AMKL with GATA1 mutations who had poor outcome. These patients had high expression levels of cytidine deaminase mRNA transcripts. We speculate that other factors can affect overall outcome in patients with DS-AMKL irrespective of the presence of GATA1 mutations.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  18. Abdul AB, Abdelwahab SI, Bin Jalinas J, Al-Zubairi AS, Taha MM
    Int. J. Gynecol. Cancer, 2009 Aug;19(6):1004-10.
    PMID: 19820360 DOI: 10.1111/IGC.0b013e3181a83b51
    Recent in vitro and in vivo studies have demonstrated that zerumbone (ZER) possesses anticancer properties. The main objective of this study was to examine the effectiveness of the combination of ZER and cisplatin (CIS) to treat cervical intraepithelial neoplasia (CIN) in vivo. Microculture tetrazolium assay and immunohistochemistry of proliferating cellular nuclear antigen were used to study the antitumor effect of ZER. Prenatally exposed female BALB/c mice were used as a model. The progenies with CIN were injected peritoneally with isotonic sodium chloride solution (positive control), CIS, ZER, and a combination of both compounds. All treated and untreated mice were humanely killed, and serum and cervix were obtained for interleukin 6 analysis and histopathologic studies using hematoxylin and eosin staining, respectively. Zerumbone has revealed an antitumor effect on human cervical cancer cells and downregulates immunoexpression of proliferating cellular nuclear antigen (P < 0.05). In vivo study indicates that ZER at 16 mg/kg and CIS at 10 mg/kg have a regressing effect on CIN. The combination of ZER and CIS also showed similar effectiveness in regressing CIN. Our results indicate that the combination of ZER and CIS has modulated the serum level of interleukin 6 when compared with that in mice treated with isotonic sodium chloride solution (P < 0.05). The effectiveness of combining ZER and CIS could be further explored as a new therapeutic intervention of early precancerous stages of carcinogenesis before the invasive stage begins.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
  19. Hassan BA, Yusoff ZB, Hassali MA, Bin Othman S
    Asian Pac J Cancer Prev, 2011;12(11):2841-5.
    PMID: 22393951
    INTRODUCTION: Thrombocytopenia denotes abnormal decreases in platelet numbers and is a major detrimental side effect of the chemotherapy or cancer disease itself which cal lead to hemorrhage from vital organ. This is particularly a problem for the brain specifically within solid cancer patients and has a great negative effect on cancer patients quality of life (QOL). It ranges from mild bleeding from small blood vessels to severe bleeding from large blood vessels. The present study was conducted to evaluate the effectiveness of treatment guidelines for thrombocytopenia among solid cancer patients in Penang hospital and to find associations between these treatments and thrombocytopenia onset and severity and to suggest changes in the guidelines.

    METHODS: This retrospective observational study, conducted in a government hospital on Penang island included 341 cancer patients with thrombocytopenia who were admitted in the period between 2003 to 2009. The main statistical tests used were Chi-square test and Logistic regression test. The level of significance was set at P < 0.05.

    RESULTS: Of the total of 341, 21 (6.2%) showed thrombocytopenia before receiving chemotherapy and the remaining 320 (93.8%) after chemotherapy. The majority suffered from moderate thrombocytopenia (n=172; 53.8%), followed by mild a (n=97; 30.3%) and finally severe (n=51; 15.9%). For treatment, chemotherapy was delayed/ reduced (n=223; 65.4%) or platelets were transfused (n=51; 34.6%). However, thrombocytopenia problems were only temporarily solved.

    CONCLUSION: Effectiveness of thrombocytopenia treatment guidelines was found to be insufficient. It is advisable that thrombopoietin be used as a cornerstone even for patients who suffer from moderate thrombocytopenia and platelets transfusion should be used just for emergency cases when thrombocytopenia leads to a critical situation.

    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/therapeutic use
  20. Zarina AL, Hamidah A, Zulkifli SZ, Zulfiqar MA, Jamal R
    Singapore Med J, 2007 Dec;48(12):e320-2.
    PMID: 18043827
    Pancreatic carcinoid tumours are rare, particularly within the paediatric population. The clinical presentation is largely dependent on the functionality of the tumour. Although the tumour is generally slow-growing, surgical resection is still the mainstay of curative treatment. Morbidity is, however, significantly contributed by secretion of excess hormones; in view of this, biotherapy is an important treatment strategy. Octreotide, a somatostatin analogue, has been shown to be successful in both symptomatic control and stability of tumour progression. We report a 12-year-old girl, who presented with hypertensive crisis, and showed good response to a combination of chemotherapy and octreotide.
    Matched MeSH terms: Antineoplastic Combined Chemotherapy Protocols/administration & dosage
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