11. Long term outcome after combined modality treatment for anal cancerIrena Oblak, Primož Petrič, Franc Anderluh, Vaneja Velenik, Albert-Peter Fras, 2012, original scientific article Abstract: Background. The aim of the retrospective study was to evaluate the effectiveness and toxicity of radiochemotherapy in patients with squamous cellcarcinoma of the anal canal treated at a single institution. Patients and methods. Between 1/2003 and 9/2010, 84 patients were treated with radical radiochemotherapy at the Institute of Oncology Ljubljana, Slovenia. The treatment consisted of 3-dimensional conformal external beam radiotherapy with concurrent chemotherapy (5-fluorouracil and mytomycin C), followed by brachytherapy or external beam boost. The toxicity of therapy and its effectiveness were assessed. Results. The treatment was completed according tothe protocol in 79.8% of patients. The median follow-up time of 55 survivors was 53 months (range: 16-105 months). The 5-year locoregional control(LRC), disease-free survival (DFS), disease-specific survival (DSS), overall survival (OS) and colostomy-free survival (CFS) rates were 71%, 68%, 81%, 67% and 85%, respectively. No treatment-related mortality was observed. The most frequent acute side-effect of the treatment was radiodermatitis (grade 3-4 in 58.2% of patients). LENT-SOMA grade 3-4 late radiation side effects were observed in 15 (18%) patients. In patients with brachytherapy boost a trend of less late side effects was observed compared to patients with external beam boost (P=0.066). On multivariate analysis, complete clinicaldisease response was identified as an independent prognostic factor for LRC, DFS and DSS, the salvage surgery for LRC and DFS, whereas Hb below 120 g/l retained its independent prognostic value for OS. Conclusions. Radiochemotherapy provides an excellent disease control and the survival with preserving anal sphincter function in majority of patients. Surgical salvage with abdominoperineal resection for persistent or recurrent disease has curative potential.
Published in DiRROS: 21.03.2024; Views: 155; Downloads: 50
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14. Postoperative radiochemotherapy for gastric adenocarcinoma : long term resultsIrena Oblak, Franc Anderluh, Vaneja Velenik, 2009, original scientific article Abstract: Background. To analyze the efficacy of postoperative radiochemotherapy with 5-florouracil (5-FU) and leucovorin (LV) applied in the patients with gastric carcinoma treated in a single institution. Patients and methods. Between 2001 and 2004, 123 patients with resected gastric adenocarcinoma were treated with postoperative concomitant radiochemotherapy with 5-FU and LV. The adjuvant treatment consisted of five cycles of chemotherapy with 5-FU (425mg/m2 IV) andLV (20 mg/m2 IV) and concomitant radiotherapy with the total dose of 45 Gy.Results. The treatment was completed according to the protocol in 82% of patients. The frequency and severity of early toxic effects induced by radiochemotherapy were manageable. Median follow-up time of 56 survivors was 64.5 months (range: 51.7-96.4 months). The 5-year locoregional control (LRC), diseasefree survival (DFS), disease-specific survival (DSS) and overall survival (OS) were 81%, 48.3%, 50.4%, and 48.4%, respectively. The multivariate analysis showed that the tumor involvement of cardia and low intensity of chemotherapy were independent adverse prognostic factors for DSS and OS. More advanced pT-stage and tumors with diffuse growth type according to Lauren were identified as negative independent prognostic factor for OS. They were also on the threshold of statistical significance for DSS. Conclusions. Postoperative radiochemotherapy for gastric carcinoma has acceptable toxicity, and is effective particularly in regard to LRC. High incidence of distant metastases calls for more effective systemic regimens.
Published in DiRROS: 08.03.2024; Views: 167; Downloads: 40
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17. Managing anemia with epoetin alfa in patients with rectal cancerVaneja Velenik, Irena Oblak, Veronika Kodre, 2005, original scientific article Abstract: Background. Anemia is one of the most challenging problems in clinical oncology due to its high prevalence among the patients with malignant diseases. The purposes of our study were: (1) to assess the potential of epoetin alfa therapy to prevent the decline in Hb concentrations that typically accompanies chemotherapy/radiotherapy (ChT/RT) of the patients with rectal cancer; (2) to test the hypothesis that the use of epoetin alfa significantly reduces the transfusion requirements in the patients with rectalcancer treated with ChT/RTafter surgery, and (3) to evaluate the safety profile of the administration of epoetin alfa in the clinical setting. Methods. Sixty patients who underwent surgery for rectal cancer were prospectively enrolled. Group A consisted of 39 patients with Hb concentrations <13 g/dl at the start of ChT/RT following surgery, and group B of 17 patients with Hb concentrations >13 g/dl at the start of ChT/RT following surgery, but whose Hb concentrations fell below 13 g/dl during the ChT/RT protocol. The starting dose of epoetin alfa in both proups was 10,000 IU subcutaneously (se) three times a week (tiw). The following major parameters were evaluated: (1) change in Hb concentrations relative to the baseline as measured at 4-week intervals, (2) allogenic blood transfusion requirements in relation to Hb concentrations, and (3) incidence and severity of adverse events and their potential relationship to epoetin alfa administration. (Abstract truncated at 2000 characters)
Published in DiRROS: 14.02.2024; Views: 181; Downloads: 52
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18. Kratek režim obsevanja ali kemoradioterapija ali brez obsevanja v predoperativnem zdravljenju raka dankeVaneja Velenik, 2022, published scientific conference contribution Abstract: Zdravljenje raka danke se je v zadnjem desetletju korenito spremenilo. Predoperativni kratek režim obsevanja ali kemoradioterapija ostajata zlati standard. Z namenom doseganja čim višjega deleža popolnih odgovorov na zdravljenje in s tem izogib operaciji, ki jo lahko spremljajo številni zapleti ter slabša kakovost življenja, se je uveljavil koncept totalnega neoadjuvantnega zdravljenja in strategija sledenja pri bolnikih s popolnim kliničnim odgovorom. Pri podskupini bolnikov z rakom danke, ki izražajo mikrosatelitno nestabilnost, pa imunoterapija odpira novo možnost uspešnega zdravljenja, pri kateri se bolnik lahko izogne vsem standardnim modalitetam, kot so obsevanje, kemoterapija in operacija.
Keywords: rak danke, onkološko zdravljenje, rak prebavil
Published in DiRROS: 13.01.2023; Views: 424; Downloads: 105
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19. Smernice za obravnavo bolnikov s skvamoznoceličnim karcinomom analnega kanala in kože perinealno (analnega roba)Franc Anderluh, Irena Oblak, Ajra Šečerov Ermenc, Ana Jeromen, Erik Brecelj, Martina Reberšek, Vaneja Velenik, 2022, professional article Keywords: rak analnega kanala, rak analnega roba, radiokemoterapija, obsevanje
Published in DiRROS: 15.12.2022; Views: 608; Downloads: 143
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20. Smernice za zdravljenje bolnikov z rakom požiralnika in ezofagogastričnega stika (EGS)Franc Anderluh, Marko Boc, Goran Gačevski, Gorana Gašljević, Samo Horvat, Nežka Hribernik, Marija Ignjatović, Ana Jeromen, Jera Jeruc, Peter Korošec, Tanja Mesti, Srdjan Novaković, Irena Oblak, Janja Ocvirk, Martina Reberšek, Nada Rotovnik-Kozjek, Matevž Srpčič, Ajra Šečerov Ermenc, Borut Štabuc, Vaneja Velenik, Neva Volk, Vesna Zadnik, 2022, dictionary, encyclopaedia, lexicon, manual, atlas, map Keywords: rak požiralnika, rak ezofagogastritičnega stika, smernice, zdravljenje
Published in DiRROS: 07.09.2022; Views: 810; Downloads: 300
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