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- W2100073800 abstract "Photodynamic therapy using porfimer (P-PDT) improves palliation and survival in nonresectable hilar bile duct cancer. Tumoricidal penetration depth of temoporfin-PDT (T-PDT) is twice that of P-PDT. In a single-arm phase II study we investigated the safety, efficacy, survival time, and adverse events of T-PDT compared with previous data on P-PDT. Twenty-nine patients (median 71 [range 47-88] years) with nonresectable hilar bile duct cancer were treated with T-PDT (median 1 [range 1-4] sessions) plus stenting and followed up every 3 months. The PDT was well tolerated. In patients with occluded segments at baseline (n=28) a reopening of a median of 3 (range 1-7) segments could be achieved: n=16 local response and n=11 stable local disease, one progressive disease. Cholestasis and performance significantly improved when impaired at baseline. Time to local tumor progression was a median of 6.5 (2.7-41.0) months. Overall survival time was a median of 15.4 (range 4.4-62.4) months. Patients died from tumor progression (55%), cholangitis (18%), pneumonia (7%), hemobilia (7%), esophagus variceal hemorrhage (3%), and vascular diseases (10%). Adverse events were cholangitis (n=4), liver abscess (n=2), cholecystitis (n=2), phototoxic skin (n=5), and injection site reactions (n=7). Compared to previous P-PDT, T-PDT shows prolonged time to local tumor progression (median 6.5 versus 4.3 months, P<0.01), fewer PDT treatments needed (median 1 versus 3, P<0.01), a higher 6-month survival rate (83% versus 70%, P<0.01), and a trend for longer overall median survival (15.4 versus 9.3 months, P=0.72) yet not significantly different. The risk of adverse events is not increased except for (avoidable) subcutaneous phototoxicity at the injection site.Temoporfin-PDT can safely be delivered to hilar bile duct cancer patients and results in prolonged patency of hilar bile ducts, a trend for longer survival time, and similar palliation as with P-PDT." @default.
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- W2100073800 date "2015-07-22" @default.
- W2100073800 modified "2023-10-01" @default.
- W2100073800 title "Temoporfin improves efficacy of photodynamic therapy in advanced biliary tract carcinoma: A multicenter prospective phase II study" @default.
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- W2100073800 doi "https://doi.org/10.1002/hep.27905" @default.
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