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- Tiensuu Janson, Eva, et al.
(författare)
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Treatment with alpha-interferon versus alpha-interferon in combinationwith streptozocin and doxorubicin in patients with malignant carcinoidtumors : a randomized trial
- 1992
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Ingår i: Annals of Oncology. - 0923-7534 .- 1569-8041. ; 3:8, s. 635-638
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Tidskriftsartikel (refereegranskat)abstract
- An open randomized trial was performed to compare the effect of recombinant interferon-alpha 2a (rIFN-alpha 2a) (group A, n = 12) versus rIFN-alpha 2a in combination with chemotherapy (group B, n = 11) in patients with malignant carcinoid tumors. Both groups received rIFN-alpha 2a at a dose of 3 MU/m2 s.c. three times weekly during the first 6 months. IFN was discontinued every third week in group B, followed by an i.v. injection of 2 g streptozocin and 40 mg/m2 doxorubicin. After 6 months group A showed one complete biochemical response (CR), 9 patients with stable disease (SD) and 2 who progressed (PD). Two patients had a partial reduction (PR) of tumor size, 9 showed SD and one PD. All patients in group B demonstrated SD. Chemotherapy was withdrawn after 6 months and all patients continued with rIFN-alpha 2a at an increased dose of 3 MU/m2 five days/week for a further 6 months. After 12 months 6 patients showed PR, 12 SD and one PD biochemically. Tumor size showed SD in 18 patients and PD in one. One patient died from cardiomyopathy, probably induced by doxorubicin. Antibodies against rIFN-alpha 2a developed in 41% of the patients. In conclusion, we detected no difference in response rates between the two treatment groups. Adverse reactions from the combination were considerable. The frequent development of IFN antibodies might have interfered with the therapeutic results.
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| 3. |
- Lindnér, Per, 1956, et al.
(författare)
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Hepatic artery occlusion and energy charge in rat liver tumour.
- 1994
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Ingår i: Annals of oncology : official journal of the European Society for Medical Oncology / ESMO. - 0923-7534. ; 5:10, s. 961-3
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Tidskriftsartikel (refereegranskat)abstract
- Hepatic artery ligation (HAL) is a model for inducing a vascular attack on liver tumours which causes a reduction in tumour growth. To determine in an experimental rat liver adenocarcinoma the duration and magnitude of changes in adenonucleotide concentration and energy charge (EC) after HAL, analyses of energy-rich nucleotides were performed at 1, 2, 24 and 168 hours after HAL or a SHAM procedure. There was a significant decrease of the ATP content and energy charge in the tumour one hour after HAL. Two hours after HAL this difference had decreased and with longer observation it was not detectable. Twenty-four hours of starvation did not significantly alter the effects of HAL on the tumour. HAL gives rise to a transient energy depletion of the tumour which is not completely compensated for by glycolysis after 1 hour, but is restored after 2 hours.
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