Displaying publications 1 - 20 of 97 in total

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  1. In vitro evaluation of the inhalable quercetin loaded nanoemulsion for pulmonary delivery
    Arbain NH, Salim N, Masoumi HRF, Wong TW, Basri M, Abdul Rahman MB
    Drug Deliv Transl Res, 2019 04;9(2):497-507.
    PMID: 29541999 DOI: 10.1007/s13346-018-0509-5
    Bioavailability of quercetin, a flavonoid potentially known to combat cancer, is challenging due to hydrophobic nature. Oil-in-water (O/W) nanoemulsion system could be used as nanocarrier for quercertin to be delivered to lung via pulmonary delivery. The novelty of this nanoformulation was introduced by using palm oil ester/ricinoleic acid as oil phase which formed spherical shape nanoemulsion as measured by transmission electron microscopy and Zetasizer analyses. High energy emulsification method and D-optimal mixture design were used to optimize the composition towards the volume median diameter. The droplet size, polydispersity index, and zeta potential of the optimized formulation were 131.4 nm, 0.257, and 51.1 mV, respectively. The formulation exhibited high drug entrapment efficiency and good stability against phase separation and storage at temperature 4 °C for 3 months. It was discovered that the system had an acceptable median mass aerodynamic diameter (3.09 ± 0.05 μm) and geometric standard deviation (1.77 ± 0.03) with high fine particle fraction (90.52 ± 0.10%), percent dispersed (83.12 ± 1.29%), and percent inhaled (81.26 ± 1.28%) for deposition in deep lung. The in vitro release study demonstrated that the sustained release pattern of quercetin from naneomulsion formulation up to 48 h of about 26.75% release and it was in adherence to Korsmeyer's Peppas mechanism. The cytotoxicity study demonstrated that the optimized nanoemulsion can potentially induce cyctotoxicity towards A549 lung cancer cells without affecting the normal cells. These results of the study suggest that nanoemulsion is a potential carrier system for pulmonary delivery of molecules with low water solubility like quercetin.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  2. Fulltext Chemoprevention of Colonic Aberrant Crypt Foci by Novel Schiff Based Dichlorido(4-Methoxy-2-{[2-(Piperazin-4-Ium-1-Yl)Ethyl]Iminomethyl}Phenolate)Cd Complex in Azoxymethane-Induced Colorectal Cancer in Rats
    Hajrezaie M, Shams K, Moghadamtousi SZ, Karimian H, Hassandarvish P, Emtyazjoo M, et al.
    Sci Rep, 2015 Jul 23;5:12379.
    PMID: 26201720 DOI: 10.1038/srep12379
    Schiff-based complexes as a source of cancer chemotherapeutic compounds have been subjected to the variety of anticancer studies. The in-vitro analysis confirmed the CdCl2(C14H21N3O2) complex possess cytotoxicity and apoptosis induction properties in colon cancer cells, so lead to investigate the inhibitory efficiency of the compound on colonic aberrant crypt foci (ACF). Five groups of adult male rats were used in this study: Vehicle, cancer control, positive control groups and the groups treated with 25 and 50 mg/kg of complex for 10 weeks. The rats in vehicle group were injected subcutaneously with 15 mg/kg of sterile normal saline once a week for 2 weeks and orally administered with 5% Tween-20 (5 ml/kg) for 10 weeks, other groups were injected subcutaneously with 15 mg/kg azoxymethane once a week for 2 weeks. The rats in positive groups were injected intra-peritoneally with 35 mg/kg 5-Flourouracil four times in a month. Administration of the complex suppressed total colonic ACF formation up to 73.4% (P 
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  3. Suppressing growth, migration, and invasion of human hepatocellular carcinoma HepG2 cells by Catharanthus roseus‑silver nanoparticles
    Azhar NA, Ghozali SZ, Abu Bakar SA, Lim V, Ahmad NH
    Toxicol In Vitro, 2020 Sep;67:104910.
    PMID: 32526345 DOI: 10.1016/j.tiv.2020.104910
    Application of silver nanoparticles serves as a new approach in cancer treatment due to its unique features. Biosynthesis of silver nanoparticles using plant is advantageous since they are easily accessible, nontoxic and produce quicker reaction compared to other methods. To evaluate the cytotoxicity, mechanism of cell death and DNA damage of biosynthesized Catharanthus roseus-silver nanoparticles on human liver cancer (HepG2) cells. The antiproliferative activity of Catharanthus roseus‑silver nanoparticles was measured using MTT assay. The cytotoxic effects were further evaluated by measuring nitric oxide and reactive oxygen species (ROS). The mechanism of cell death was determined by annexin-FITC/propidium iodide, mitochondrial membrane potential (MMP) and cell cycle assays. The assessment of DNA damage was evaluated using Comet assay method. The uptake of the nanoparticles were evaluated by Transmission Electron Microscopy (TEM). Catharanthus roseus‑silver nanoparticles has inhibited the proliferation of HepG2 cells in a time-dependent manner with a median IC50 value of 3.871 ± 0.18 μg/mL. The concentration of nitrite and ROS were significantly higher than control. The cell death was due to apoptosis associated with MMP loss, cell cycle arrest, and extensive DNA damage. TEM analysis indicated the presence of free nanoparticles and endosomes containing the nanoparticles. The findings show that Catharanthus roseus‑silver nanoparticles have produced cytotoxic effects on HepG2 cells and thus may have a potential to be used as an anticancer treatment, particularly for hepatocellular carcinoma.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  4. Fulltext Late intravascular embolization of a chemo port catheter
    Loch A, Singh RV, Abidin IZ, Han CK, Ahmad WA
    J Thorac Oncol, 2011 Jul;6(7):1292.
    PMID: 21847043 DOI: 10.1097/JTO.0b013e31821f9771
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  5. Fulltext Characterisation of sol-gel method synthesised MgZnFe2O4 nanoparticles and its cytotoxic effects on breast cancer cell line, MDA MB-231 in vitro
    Nordin N, Kanagesan S, Zamberi NR, Yeap SK, Abu N, Tamilselvan S, et al.
    IET Nanobiotechnol, 2017 Apr;11(3):343-348.
    PMID: 28476993 DOI: 10.1049/iet-nbt.2016.0007
    In this study, nanocrystalline magnesium zinc ferrite nanoparticles were successfully prepared by a simple sol-gel method using copper nitrate and ferric nitrate as raw materials. The calcined samples were characterised by differential thermal analysis/thermogravimetric analysis, Fourier transform infrared spectroscopy and X-ray diffraction. Transmission electron microscopy revealed that the average particle size of the calcined sample was in a range of 17-41 nm with an average of 29 nm and has spherical size. A cytotoxicity test was performed on human breast cancer cells (MDA MB-231) and (MCF-7) at various concentrations starting from (0 µg/ml) to (800 µg/ml). The sample possessed a mild toxic effect toward MDA MB-231 and MCF-7 after being examined with MTT (3-[4, 5-dimethylthiazol-2-yl]-2, 5 diphenyltetrazolium bromide) assay for up to 72 h of incubation. Higher reduction of cells viability was observed as the concentration of sample was increased in MDA MB-231 cell line than in MCF-7. Therefore, further cytotoxicity tests were performed on MDA MB-231 cell line.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  6. Concurrent chemoradiotherapy for locoregionally advanced nasopharyngeal carcinoma: prospective feasibility and efficacy study in Malaysian patients
    Elsherbieny E, Choo P, Alzoubi A
    Hematol Oncol Stem Cell Ther, 2008 4 1;1(2):124-9.
    PMID: 20063540
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  7. Molecular insights and novel approaches for targeting tumor metastasis
    Das SS, Alkahtani S, Bharadwaj P, Ansari MT, ALKahtani MDF, Pang Z, et al.
    Int J Pharm, 2020 Jul 30;585:119556.
    PMID: 32574684 DOI: 10.1016/j.ijpharm.2020.119556
    In recent years, due to the effective drug delivery and preciseness of tumor sites or microenvironment, the targeted drug delivery approaches have gained ample attention for tumor metastasis therapy. The conventional treatment approaches for metastasis therapy have reported with immense adverse effects because they exhibited maximum probability of killing the carcinogenic cells along with healthy cells. The tumor vasculature, comprising of vasculogenic impressions and angiogenesis, greatly depends upon the growth and metastasis in the tumors. Therefore, various nanocarriers-based delivery approaches for targeting to tumor vasculature have been attempted as efficient and potential approaches for the treatment of tumor metastasis and the associated lesions. Furthermore, the targeted drug delivery approaches have found to be most apt way to overcome from all the limitations and adverse effects associated with the conventional therapies. In this review, various approaches for efficient targeting of pharmacologically active chemotherapeutics against tumor metastasis with the cohesive objectives of prognosis, tracking and therapy are summarized.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  8. Fulltext HOXA4 gene promoter hypermethylation as an epigenetic mechanism mediating resistance to imatinib mesylate in chronic myeloid leukemia patients
    Elias MH, Baba AA, Husin A, Sulong S, Hassan R, Sim GA, et al.
    Biomed Res Int, 2013;2013:129715.
    PMID: 23484077 DOI: 10.1155/2013/129715
    Development of resistance to imatinib mesylate (IM) in chronic myeloid leukemia (CML) patients has emerged as a significant clinical problem. The observation that increased epigenetic silencing of potential tumor suppressor genes correlates with disease progression in some CML patients treated with IM suggests a relationship between epigenetic silencing and resistance development. We hypothesize that promoter hypermethylation of HOXA4 could be an epigenetic mechanism mediating IM resistance in CML patients. Thus a study was undertaken to investigate the promoter hypermethylation status of HOXA4 in CML patients on IM treatment and to determine its role in mediating resistance to IM. Genomic DNA was extracted from peripheral blood samples of 95 CML patients (38 good responders and 57 resistant) and 12 normal controls. All samples were bisulfite treated and analysed by methylation-specific high-resolution melt analysis. Compared to the good responders, the HOXA4 hypermethylation level was significantly higher (P = 0.002) in IM-resistant CML patients. On comparing the risk, HOXA4 hypermethylation was associated with a higher risk for IM resistance (OR 4.658; 95% CI, 1.673-12.971; P = 0.003). Thus, it is reasonable to suggest that promoter hypermethylation of HOXA4 gene could be an epigenetic mechanism mediating IM resistance in CML patients.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  9. Fulltext Emerging anticancer potentials of goniothalamin and its molecular mechanisms
    Seyed MA, Jantan I, Bukhari SN
    Biomed Res Int, 2014;2014:536508.
    PMID: 25247178 DOI: 10.1155/2014/536508
    The treatment of most cancers is still inadequate, despite tremendous steady progress in drug discovery and effective prevention. Nature is an attractive source of new therapeutics. Several medicinal plants and their biomarkers have been widely used for the treatment of cancer with less known scientific basis of their functioning. Although a wide array of plant derived active metabolites play a role in the prevention and treatment of cancer, more extensive scientific evaluation of their mechanisms is still required. Styryl-lactones are a group of secondary metabolites ubiquitous in the genus Goniothalamus that have demonstrated to possess antiproliferative activity against cancer cells. A large body of evidence suggests that this activity is associated with the induction of apoptosis in target cells. In an effort to promote further research on the genus Goniothalamus, this review offers a broad analysis of the current knowledge on Goniothalamin (GTN) or 5, 6, dihydro-6-styryl-2-pyronone (C13H12O2), a natural occurring styryl-lactone. Therefore, it includes (i) the source of GTN and other metabolites; (ii) isolation, purification, and (iii) the molecular mechanisms of actions of GTN, especially the anticancer properties, and summarizes the role of GTN which is crucial for drug design, development, and application in future for well-being of humans.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  10. Fulltext Hippuric acid nanocomposite enhances doxorubicin and oxaliplatin-induced cytotoxicity in MDA-MB231, MCF-7 and Caco2 cell lines
    Hussein Al Ali SH, Al-Qubaisi M, Hussein MZ, Ismail M, Bullo S
    Drug Des Devel Ther, 2013;7:25-31.
    PMID: 23345969 DOI: 10.2147/DDDT.S37070
    The aim of the current study is to design a new nanocomposite for inducing cytotoxicity of doxorubicin and oxaliplatin toward MDA-MB231, MCF-7, and Caco2 cell lines. A hippuric acid (HA) zinc layered hydroxide (ZLH) nanocomposite was synthesized under an aqueous environment using HA and zinc oxide (ZnO) as the precursors.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  11. Fulltext Targeted PDT agent eradicates TrkC expressing tumors via photodynamic therapy (PDT)
    Kue CS, Kamkaew A, Lee HB, Chung LY, Kiew LV, Burgess K
    Mol Pharm, 2015 Jan 5;12(1):212-22.
    PMID: 25487316 DOI: 10.1021/mp5005564
    This contribution features a small molecule that binds TrkC (tropomyosin receptor kinase C) receptor that tends to be overexpressed in metastatic breast cancer cells but not in other breast cancer cells. A sensitizer for (1)O2 production conjugated to this structure gives 1-PDT for photodynamic therapy. Isomeric 2-PDT does not bind TrkC and was used as a control throughout; similarly, TrkC- cancer cells were used to calibrate enhanced killing of TrkC+ cells. Ex vivo, 1- and 2-PDT where only cytotoxic when illuminated, and 1-PDT, gave higher cell death for TrkC+ breast cancer cells. A 1 h administration-to-illumination delay gave optimal TrkC+/TrkC--photocytotoxicity, and distribution studies showed the same delay was appropriate in vivo. In Balb/c mice, a maximum tolerated dose of 20 mg/kg was determined for 1-PDT. 1- and 2-PDT (single, 2 or 10 mg/kg doses and one illumination, throughout) had similar effects on implanted TrkC- tumors, and like those of 2-PDT on TrkC+ tumors. In contrast, 1-PDT caused dramatic TrkC+ tumor volume reduction (96% from initial) relative to the TrkC- tumors or 2-PDT in TrkC+ models. Moreover, 71% of the mice treated with 10 mg/kg 1-PDT (n = 7) showed full tumor remission and survived until 90 days with no metastasis to key organs.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  12. Neratinib after trastuzumab-based adjuvant therapy in patients from Asia with early stage HER2-positive breast cancer
    Iwata H, Masuda N, Kim SB, Inoue K, Rai Y, Fujita T, et al.
    Future Oncol, 2019 Jul;15(21):2489-2501.
    PMID: 31140297 DOI: 10.2217/fon-2019-0143
    Aim: To evaluate the efficacy and safety of neratinib as extended adjuvant therapy in patients from Asia based on exploratory analyses of the Phase III ExteNET trial. Patients & methods: A total of 2840 women with early stage HER2-positive breast cancer were randomly assigned to neratinib 240 mg/day or placebo for 1 year after trastuzumab-based adjuvant therapy. Results: A total of 341 patients were from Asia (neratinib, n = 165; placebo, n = 176). 2-year invasive disease-free survival rates were 92.8 and 90.8% with neratinib and placebo, respectively (HR: 0.70; 95% CI: 0.31-1.55), and 5-year rates were 91.9 and 87.2%, respectively (HR: 0.57; 95% CI: 0.27-1.13). Diarrhea was the most common adverse event with neratinib. Conclusion: Extended adjuvant therapy with neratinib reduces disease recurrences in Asian women with HER2-positive breast cancer. Trial registration: Clinicaltrials.gov NCT00878709.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  13. Fulltext SLC22A1-ABCB1 haplotype profiles predict imatinib pharmacokinetics in Asian patients with chronic myeloid leukemia
    Singh O, Chan JY, Lin K, Heng CC, Chowbay B
    PLoS One, 2012;7(12):e51771.
    PMID: 23272163 DOI: 10.1371/journal.pone.0051771
    This study aimed to explore the influence of SLC22A1, PXR, ABCG2, ABCB1 and CYP3A5 3 genetic polymorphisms on imatinib mesylate (IM) pharmacokinetics in Asian patients with chronic myeloid leukemia (CML).
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  14. Strategies and validation for siRNA-based therapeutics for the reversal of multi-drug resistance in cancer
    Fatemian T, Othman I, Chowdhury EH
    Drug Discov Today, 2014 Jan;19(1):71-8.
    PMID: 23974068 DOI: 10.1016/j.drudis.2013.08.007
    Resistance of cancer cells to anticancer drugs is the main reason for the failure of traditional cancer treatments. Various cellular components and different loops within the signaling pathways contribute to drug resistance which could be modulated with the aim to restore drug efficacy. Unveiling the molecular mechanisms for cancer drug resistance has now paved the way for the development of novel approaches to regulate the response rates to anticancer drugs at the genetic level. The recent progress on identification and validation of the vital genes directly or indirectly involved in development of cancer drug resistance with the aid of the specific knock down ability of RNA interference technology is discussed in this review.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  15. Synthesis and formulation studies of griseofulvin analogues with improved solubility and metabolic stability
    Petersen AB, Andersen NS, Konotop G, Hanafiah NH, Raab MS, Krämer A, et al.
    Eur J Med Chem, 2017 Apr 21;130:240-247.
    PMID: 28258034 DOI: 10.1016/j.ejmech.2017.02.055
    Griseofulvin (1) is an important antifungal agent that has recently received attention due to its antiproliferative activity in mammalian cancer cells. Comprehensive SAR studies have led to the identification of 2'-benzyloxy griseofulvin 2, a more potent analogue with low micromolar anticancer potency in vitro. Analogue 2 was also shown to retard tumor growth through inhibition of centrosomal clustering in murine xenograft models of colon cancer and multiple myeloma. However, similar to griseofulvin, compound 2 exhibited poor metabolic stability and aqueous solubility. In order to improve the poor pharmacokinetic properties, 11 griseofulvin analogues were synthesized and evaluated for biological activity and physiological stabilities including SGF, plasma, and metabolic stability. Finally, the most promising compounds were investigated in respect to thermodynamic solubility and formulation studies. The 2'-benzylamine analogue 10 proved to be the most promising compound with low μM in vitro anticancer potency, a 200-fold increase in PBS solubility over compound 2, and with improved metabolic stability. Furthermore, this analogue proved compatible with formulations suitable for both oral and intravenous administration. Finally, 2'-benzylamine analogue 10 was confirmed to induce G2/M cell cycle arrest in vitro.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage
  16. Editorial: Biodegradable Drug Delivery Systems for Cancer Therapy
    Wong TW, Sriamornsak P, Dass CR
    Curr Drug Deliv, 2018 1 2;14(8):1052.
    PMID: 29290178 DOI: 10.2174/156720181408171213150655
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  17. Prognostic role of adjuvant radiotherapy in triple-negative breast cancer: A historical cohort study
    Bhoo-Pathy N, Verkooijen HM, Wong FY, Pignol JP, Kwong A, Tan EY, et al.
    Int J Cancer, 2015 Nov 15;137(10):2504-12.
    PMID: 26018878 DOI: 10.1002/ijc.29617
    The value of adjuvant radiotherapy in triple-negative breast cancer (TNBC) is currently debated. We assessed the association between adjuvant radiotherapy and survival in a large cohort of Asian women with TNBC. Women diagnosed with TNBC from 2006 to 2011 in five Asian centers (N = 1,138) were included. Survival between patients receiving mastectomy only, breast-conserving therapy (BCT, lumpectomy and adjuvant radiotherapy) and mastectomy with radiotherapy were compared, and adjusted for demography, tumor characteristics and chemotherapy types. Median age at diagnosis was 53 years (range: 23-96 years). Median tumor size at diagnosis was 2.5 cm and most patients had lymph node-negative disease. The majority of patients received adjuvant chemotherapy (n = 861, 76%) comprising predominantly anthracycline-based regimes. In 775 women with T1-2, N0-1, M0 TNBCs, 5-year relative survival ratio (RSR) was highest in patients undergoing mastectomy only (94.7%, 95% CI: 88.8-98.8%), followed by BCT (90.8%, 95% CI: 85.0-94.7%), and mastectomy with radiotherapy (82.3%, 95% CI: 73.4-88.1%). The adjusted risks of mortality between the three groups were not significantly different. In 363 patients with T3-4, N2-3, M0 TNBCs, BCT was associated with highest 5-year RSR (94.1%, 95% CI: 81.3-99.4%), followed by mastectomy with radiotherapy (62.7%, 95% CI: 54.3-70.1%), and mastectomy only (58.6%, 95% CI: 43.5-71.6%). Following multivariable adjustment, BCT and mastectomy with radiotherapy remained significantly associated with lower mortality risk compared to mastectomy only. Overall, adjuvant radiotherapy was associated with higher survival in women aged <40 years, but not in older women. Adjuvant radiotherapy appears to be independently associated with a survival gain in locally advanced as well as in very young TNBC.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  18. Immunological axis of curcumin-loaded vesicular drug delivery systems
    Chellappan DK, Ng ZY, Wong JY, Hsu A, Wark P, Hansbro N, et al.
    Future Med Chem, 2018 04 01;10(8):839-844.
    PMID: 29620416 DOI: 10.4155/fmc-2017-0245
    Several vesicular systems loaded with curcumin have found their way in the therapeutic applications of several diseases, primarily acting through their immunological pathways. Such systems use particles at a nanoscale range, bringing about their intended use through a range of complex mechanisms. Apart from delivering drug substances into target tissues, these vesicular systems also effectively overcome problems like insolubility and unequal drug distribution. Several mechanisms are explored lately by different workers, and interest over vesicular curcumin has been renewed in the past decade. This commentary discusses several immunological targets in which curcumin is employed in a vesicular form.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  19. Recent advances in targeted nanomedicine as promising antitumor therapeutics
    Hejmady S, Pradhan R, Alexander A, Agrawal M, Singhvi G, Gorain B, et al.
    Drug Discov Today, 2020 12;25(12):2227-2244.
    PMID: 33011342 DOI: 10.1016/j.drudis.2020.09.031
    A tumor serves as a major avenue in drug development owing to its complexity. Conventional therapies against tumors possess limitations such as suboptimal therapeutic efficacy and extreme side effects. These display poor pharmacokinetics and lack specific targeting, with non-specific distribution resulting in systemic toxicity. Therefore, nanocarriers targeted against cancers are increasingly being explored. Nanomedicine aids in maintaining a balance between efficacy and toxicity by specifically accumulating in tumors. Nanotherapeutics possess advantages such as increased solubility of chemotherapeutics, encapsulation of multiple drugs and improved biodistribution, and can ensure tumor-directed drug delivery and release via the approaches of passive targeting and active targeting. This review aims to offer a general overview of the current advances in tumor-targeting nanocarriers for clinical and diagnostic use.
    Matched MeSH terms: Antineoplastic Agents/administration & dosage*
  20. The prognostic impact of hexaminolevulinate-based bladder tumor resection in patients with primary non-muscle invasive bladder cancer treated with radical cystectomy
    Renninger M, Fahmy O, Schubert T, Schmid MA, Hassan F, Stenzl A, et al.
    World J Urol, 2020 Feb;38(2):397-406.
    PMID: 31030231 DOI: 10.1007/s00345-019-02780-0
    PURPOSE: To investigate whether hexaminolevulinate-based (HAL) bladder tumor resection (TURBT) impacts on outcomes of patients with primary non-muscle-invasive bladder cancer (NMIBC) who were eventually treated with radical cystectomy (RC).

    METHODS: A total of 131 consecutive patients exhibiting NMIBC at primary diagnosis were retrospectively investigated whether they had undergone any HAL-guided TURBT prior to RC. Uni- and multivariable analyses were used to evaluate the impact of HAL-TURBT on cancer-specific (CSS) and overall survival (OS). The median follow-up was 38 months (IQR 13-56).

    RESULTS: Of the 131 patients, 69 (52.7%) were managed with HAL- and 62 (47.3%) with white light (WL)-TURBT only prior to RC. HAL-TURBT was associated with a higher number of TURBTs prior to RC (p = 0.002) and administration of intravesical chemotherapy (p = 0.043). A trend towards a higher rate of tumor-associated immune cell infiltrates in RC specimens (p = 0.07) and a lower utilization rate of post-operative systemic chemotherapy (p = 0.10) was noted for patients who were treated with HAL-TURBT. The 5-year CSS/OS was 90.9%/74.5% for the HAL-group and 73.8%/55.8% for the WL-group (p = 0.042/0.038). In multivariable analysis, lymph node tumor involvement (p = 0.007), positive surgical margins (p = 0.001) and performance of WL-TURBT only (p = 0.040) were independent predictors for cancer-specific death.

    CONCLUSIONS: The present data suggest that the resection of NMIBC under HAL exerts a beneficial impact on outcomes of patients who will need to undergo RC during their course of disease. This finding may be due to improved risk stratification as the resection under HAL may allow more patients to be treated timely and adequately.

    Matched MeSH terms: Antineoplastic Agents/administration & dosage
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