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Gardani G, Cerrone R, Biella C, Galbiati G, Proserpio E, Casiraghi M, Arnoffi J, Meregalli M, Trabattoni P, Dapretto E, Giani L, Messina G, Lissoni P. A progress study of 100 cancer patients treated by acupressure for chemotherapy-induced vomiting after failure with the pharmacological approach. Minerva Med 2007; 98:665-668. [PMID: 18299681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
AIM The recent rediscovery of the natural traditional medical sciences has contributed to improve the treatment of the human diseases and, in particular, it has been shown that the pharmacological approach is not the only possible strategy in the treatment of nausea and vomiting, since bioenergetic approaches, such as acupressure and acupuncture, may also counteract the onset of vomiting due to different causes. Previous preliminary clinical studies had already suggested a possible efficacy of acupressure also in the treatment of chemotherapy-induced vomiting resistant to the classical antiemetic drugs. The aim of this study was to confirm these preliminary data. METHODS The study was performed in 100 consecutive metastatic solid tumour patients, who underwent chemotherapy for their advanced neoplastic disease, and who had no benefit from the standard antiemetic agents, including corticosteroids, antidopaminergics and 5-HT 3R-antagonists. Acupressure was made by a stimulation of PC6 acupoint. RESULTS The emetic symptomatology was reduced by acupressure in 68/100 (68%) patients, without significant differences in relation to tumour histotype. The lowest efficacy was observed in patients treated by anthracycline-containing regimens, without, however, statistically significant differences with respect to the other chemotherapeutic combinations. CONCLUSION This study confirms previous preliminary clinical results, which had already suggested the potential efficacy of acupressure in the treatment of vomiting due to cancer chemotherapy. Therefore, acupressure may be successfully included within the therapeutic strategies of cancer chemotherapy-induced vomiting.
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Gardani G, Cerrone R, Biella C, Galbiati B, Proserpio E, Casiraghi M, Travisi O, Meregalli M, Trabattoni P, Colombo L, Giani L, Messina G, Arnoffi J, Lissoni P. A case-control study of Panicum Miliaceum in the treatment of cancer chemotherapy-induced alopecia. Minerva Med 2007; 98:661-664. [PMID: 18299680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
AIM Alopecia still remains one of the most untreatable side-effects induced by cancer chemotherapy. According to the phytotherapeutic tradition, Panicum Miliaceum has been proven to be effective in the prevention of hair loss for different reasons. At present, however, there are no data about its possible efficacy in the treatment of cancer chemotherapy-induce alopecia. The aim of this study was to analyze the efficacy of Panicum Miliaceum in cancer patients treated with the most potent chemotherapeutic drugs in terms of hair loss, consisting of cisplatin (CDDP) and anthracyclines. METHODS This case-control study included 28 cancer patients concomitantly treated with Panicum Miliaceum and 56 patients receiving the same combinations of chemotherapy alone as a control group. Panicum Miliaceum was given orally at 300 mg (daily dose) 3 times per day, every day until the end of chemotherapy. The grade of hair loss was assessed by World Health Organization (WHO) criteria. RESULTS The percentage of alopecia of third grade observed in patients concomitantly treated with Panicum Miliaceum in association with CDDP-containing regimens was significantly lower than that found in those who received the chemotherapy only. The percentage was also lower under anthracycline-containing schedules, without, however, statistically significant differences. Panicum Miliaceum therapy was substantially well tolerated in all patients. RESULTS This preliminary study would suggest that the concomitant treatment with Panicum Miliaceum may be effective in preventing hair loss induced by CDDP-containing chemotherapies, whereas the benefit was lower in patients treated with anthracyclines. Future randomized studies will be necessary to confirm these preliminary
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Lissoni P, Brivio F, Fumagalli L, Messina G, Secreto G, Romelli B, Fumagalli G, Rovelli F, Colciago M, Brera G. Immune and endocrine mechanisms of advanced cancer-related hypercortisolemia. In Vivo 2007; 21:647-50. [PMID: 17708360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
BACKGROUND Cancer progression depend on the immune and endocrine status of the patients. In particular, it has been observed that abnormally high levels of cortisol and/or an altered circadian secretion are associated with a poor prognosis in advanced cancer patients. The present study was performed to establish whether cancer-induced hypercortisolemia depends on an activation of the hypothalamic-pituitary axis or on a direct adrenal stimulation by inflammatory cytokines, such as IL-6, which have been proven to induce cortisol secretion. PATIENTS AND METHODS The study included 50 metastatic solid tumor patients, who were evaluated before the onset of chemotherapy. Venous blood samples were collected in the morning to measure IL-10, IL-6, ACTH and cortisol serum levels. Moreover, to analyze its circadian secretion, cortisol levels were also evaluated on venous blood samples collected at 4.00 p.m. RESULTS Abnormally high morning levels of cortisol were observed in 19/50 (38%) patients. Moreover, a lack of a normal circadian rhythm of cortisol was seen in 8/50 (16%) patients. None of the patients showed high levels of ACTH. Abnormally high concentrations of IL-6 and IL-10 were present in 21/50 (42%) and in 14/50 (28%) patients, respectively. Mean serum levels of both IL-6 and IL-10 were significantly higher in patients with hypercortisolemia than in those with normal cortisol values (p<0.005 and p<0.001, respectively). According to previous clinical studies, these results confirm that the advanced neoplastic disease may be associated with enhanced cortisol levels and alterations of its circadian secretion. The lack of enhanced ACTH secretion excludes the possibility that the abnormal cortisol production is due to the activation of the hypothalamic-pituitary axis. On the contrary, the evidence of significantly higher concentrations of IL-6 in hypercortisolemic patients would suggest that cancer-related enhanced cortisol production may depend on a direct adrenal stimulation by IL-6 itself The well-demonstrated stimulatory role of cortisol on IL-10 production would explain the enhanced IL-10 secretion in hypercortisolemic patients. CONCLUSION Cancer-related hypercortisolemia would seem to depend on alterations of the feedback mechanisms between endocrine and cytokine secretions, occurring in the neoplastic disease.
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Messina G, Lissoni P, Bartolacelli E, Fumagalli L, Brivio F, Colombo E, Gardani GS. Efficacy of IL-2 immunotherapy in metastatic renal cell carcinoma in relation to the psychic profile as evaluated using the Rorschach test. Anticancer Res 2007; 27:2985-8. [PMID: 17695482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
BACKGROUND Despite the well-documented importance of the psycho-emotional status in modulating the anticancer immunity, at present no study has been performed to analyse the influence of the psychological condition on the efficacy of IL-2 cancer immunotherapy. Previous clinical studies have already suggested that the evidence of anxiety may negatively affect the therapeutic efficacy of IL-2 immunotherapy of cancer. Moreover, previous psycho-oncological investigations showed that the suppression of sexual pleasure and sexual identity would represent one of the most frequent psychological profiles in cancer patients. On this basis, a study was planned in an attempt to evaluate relations existing between psychological status, analysed using the Rorschach test and efficacy of IL-2 immunotherapy in the treatment of metastatic renal cell cancer patients. PATIENTS AND METHODS The study included 30 consecutive metastatic RCC patients. IL-2 was injected s.c. at a dose of 3 million IU twice/day 5 days/week for 4 consecutive weeks, corresponding to one complete immunotherapeutic cycle, followed by a second cycle after a 21-day rest period. RESULTS A complete response (CR) was achieved in only 1/30 (3%) patients; a partial response (PR) was obtained in 6/30 (20%) patients. The tumor response rate (CR +PR) was 7/30 (23%) patients. The performance of a psychological analysis was accepted by 24/30 (80%) patients. A normal sexual identity was present in 7/24 (29%) patients. The tumor response rate achieved in patients with sexual identity was significantly higher compared to these who had no sexual identity or who refused the psychological investigation (p<0.05 and p<0.01, respectively). In the same way, the increase in mean lymphocyte number obtained in patients with sexual identity was significantly higher compared to that found in the other two groups of patients. CONCLUSION This study demonstrated that the psychological status prior to treatment may be associated with the clinical response to IL-2 cancer immunotherapy.
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Lissoni P. Biochemotherapy with standard chemotherapies plus the pineal hormone melatonin in the treatment of advanced solid neoplasms. ACTA ACUST UNITED AC 2007; 55:201-4. [PMID: 17446010 DOI: 10.1016/j.patbio.2006.12.025] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2006] [Accepted: 11/02/2006] [Indexed: 12/15/2022]
Abstract
It is known since many years that the pineal hormone melatonin (MLT) may play anticancer activity through several mechanisms, including antiproliferative and immunostimulating effects. Moreover, it exerts an important antioxidant action. Therefore, MLT could be useful in the treatment of human neoplasms, either alone or in association with chemotherapy. The present study was performed to evaluate the influence of a concomitant MLT administration on efficacy and toxicity of several chemotherapeutic combinations in metastatic solid tumor patients, suffering from non-small cell lung cancer (NSCLC) or gastrointestinal tumors. The study included 370 patients who were randomized to receive chemotherapy alone or chemotherapy plus MLT (20 mg/day orally in the evening every day). NSCLC patients received cisplatin (CDDP) plus etoposide or CDDP plus gemcitabine. Colorectal cancer patients were treated with oxaliplatin plus 5-fluorouracil (5-FU), or weekly CPT-11 or 5-FU and folates (FA). Finally, gastric cancer patients received CDDP, epirubicin, 5-FU and FA or weekly 5-FU plus FA. The overall tumor regression rate achieved in patients concomitantly treated with MLT was significantly higher than that found in those treated with chemotherapy alone. Moreover, the 2-year survival rate was significantly higher in patients concomitantly treated with MLT. These results confirm in human the anticancer therapeutic properties of the pineal hormone MLT, which may enhance the efficacy of the standard anticancer chemotherapies.
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Lissoni P. Biochemotherapy with immunomodulating pineal hormones other than melatonin: 5-methoxytryptamine as a new oncostatic pineal agent. ACTA ACUST UNITED AC 2007; 55:198-200. [PMID: 17451889 DOI: 10.1016/j.patbio.2006.12.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2006] [Accepted: 11/02/2006] [Indexed: 11/17/2022]
Abstract
Several experiments have demonstrated that pineal gland plays a physiological anticancer role. Melatonin (MLT), its most investigated hormone, is a natural anticancer agent. However, MLT would not be the only endocrine molecule responsible for the anticancer property of the pineal gland. In fact, another pineal indole hormone, the 5-methoxytryptamine (5-MTT), has appeared to exert in vitro an antitumour activity superior to that of MLT itself. Previous studies have already shown the therapeutic anticancer action of MLT in association with chemotherapy also in human neoplasms. This study was performed to evaluate the influence of 5-MTT at physiological doses (1 mg/day orally during light phase) on the efficacy of chemotherapy with cisplatin plus etoposide in advanced non-small cell lung cancer patients with respect to that obtained in patients treated by chemotherapy alone or chemotherapy plus pharmacological doses of MLT (20 mg/day orally during the dark phase of the day). The study included 100 patients, who were randomised to receive chemotherapy alone or in association with MLT or 5-MTT. The overall response rate achieved in both patients concomitantly treated with MLT or 5-MTT was significantly higher with respect to that obtained in patients treated with chemotherapy alone. Moreover, both MLT and 5-MTT significantly reduced some chemotherapy-related toxicities, namely thrombocytopenia and neurotoxicity. This preliminary study shows that less known pineal hormone 5-MTT may exert at low doses the same anticancer therapeutic effect in association with chemotherapy, which may be obtained by pharmacological doses of the most investigated pineal hormone MLT.
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Gardani G, Cerrone R, Biella C, Mancini L, Proserpio E, Casiraghi M, Travisi O, Meregalli M, Trabattoni P, Colombo L, Giani L, Vaghi M, Lissoni P. Effect of acupressure on nausea and vomiting induced by chemotherapy in cancer patients. Minerva Med 2006; 97:391-4. [PMID: 17146420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
AIM Corticosteroids, antidopaminergig agents and 5-HT3 antagonists are the most commonly used drugs in the treatment of chemotherapy-induced vomiting. Acupuncture and acupressure have also appeared to exert antiemetic effects. The aim of this study was to evaluate the efficacy of acupressure in the treatment of chemotherapy-induced vomiting resistant to the standard antiemetic therapies. METHODS The study included 40 consecutive advanced cancer patients with untreatable chemotherapy-induced vomiting. Colorectal cancer, lung cancer and breast cancer were the neoplasm most frequent in our patients. According to tumour histotype, patients received chemotherapeutic regimens containing the main emetic cytotoxic agents, including cisplatin and athracyclines. Acupressure was made by PC6 point stimulation for at least 6 h/day at the onset of chemotherapy. RESULTS The therapeutic approach was well accepted by the overall patients. An evident improvement in the emetic symptomatology was achieved in 28/40 (70%) patients, without significant differences in relation to neither tumor histotype, nor type of chemotherapeutic agent. CONCLUSIONS This preliminary study seems to suggest that a bioenergetic approach by acupressure on PC6 point may be effective in the treatment of chemotherapy-induced vomiting resistant to the conventional pharmacological strategies, as previously demonstrated for vomiting occurring during pregnancy.
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Lissoni P, Viganò P, Podraska A, Brivio R, Colciago M, Casu M, Manganini V, Giuberti C, Strada G, Gardani G. Chromogranin a Blood Concentrations in Relation to those of Prolactin in Hormone-Refractory Metastatic Prostate Cancer: Possible Existence of Two Independent Mechanisms Responsible for Endocrine Resistance. Int J Biol Markers 2006; 21:58-9. [PMID: 16711515 DOI: 10.1177/172460080602100109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Lissoni P, Fumagalli L, Brivio F, Rovelli F, Messina G, Di Fede G, Colciago M, Brera G. Cancer chemotherapy-induced lymphocytosis: a revolutionary discovery in the medical oncology. J BIOL REG HOMEOS AG 2006; 20:29-35. [PMID: 18088552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The recent advances in the investigation of tumor immunobiology have suggested that cancer chemotherapy, in addition to its well known cytotoxic activity, may play modulatory effects on the endogenous production of cytokines involved in the control of both tumor angiogenesis and antitumor immunity. Cancer chemotherapy constantly acts with inhibitory effects on anti-bacterial, anti-viral and anti- mycotic immune responses, whereas its action on anticancer immunity, which is mainly mediated by lymphocytes, has still to be better investigated and defined. The present study was carried out to evaluate the influence of chemotherapy on lymphocyte count and its relation to the clinical response in cancer patients suffering from the most commonly frequent tumor histotypes, including lung, colorectal, breast and prostate carcinomas. The study included 144 consecutive metastatic solid tumor patients. Lung cancer patients were treated with cisplatin plus gemcitabine, colorectal cancer patients received oxaliplatin plus 5-fluorouracil, while those affected by breast cancer or prostate carcinoma were treated with taxotere alone. An objective tumor regression was achieved in 66 out of 144 (46 percent) patients, whereas the remaining 78 patients had only a stable disease (SD)or a progressive disease. Independently of tumor histotype and chemotherapeutic regimen, a lymphocytosis occurred in patients who achieved an objective tumor regression in response to chemotherapy, and lymphocyte mean count observed at the end of the chemotherapeutic treatment was significantly higher with respect to the values seen before the onset of treatment. On the contrary, lymphocyte mean number decreased on chemotherapy in patients with SD or PD, even though the decline was statistically significant with respect to the pretreatment values in the only patients who had a PD in response to chemotherapy. This study would suggest that chemotherapy itself may paradoxically act, at least in part, as a cancer immunotherapy by inducing lymphocytosis, as well as previously demonstrated for the only immunotherapy with IL-2, probably by modulating the cytokine network and correcting the altered endogenous production of cytokines, responsible for cancer-related immunodeficiency.
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Lissoni P, Brivio F, Fumagalli L, Di Fede G, Brera G. Enhancement of the efficacy of chemotherapy with oxaliplatin plus 5-fluorouracil by pretreatment with IL-2 subcutaneous immunotherapy in metastatic colorectal cancer patients with lymphocytopenia prior to therapy. In Vivo 2005; 19:1077-80. [PMID: 16277025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The present study was carried out to evaluate the influence of a short-period IL-2 administration on the efficacy of chemotherapy in metastatic colorectal cancer patients with pretreatment lymphocytopenia, which was defined as a lymphocyte count of less than 1500/mm3. The study included 144 consecutive metastatic colorectal cancer patients, who underwent chemotherapy with oxaliplatin plus 5-fluorouracil. Lymphocytopenia was seen in 41/144 (28%) patients, who were randomized to receive chemotherapy alone or chemotherapy after a prechemoimmunotherapy with IL-2 (3 MIU twice/day for 3 consecutive days), whereas patients with a normal pretreatment lymphocyte count received only chemotherapy. A normalization of the lymphocyte number was achieved in 12/19 lymphocytopenic patients pretreated with IL-2. The objective tumor regression rate achieved in patients with a normal lymphocyte count prior to chemotherapy was significantly higher compared to that obtained in lmphocytopenic patients treated with chemotherapy alone (54/103 vs. 3/22, p < 0.01), whereas no significant difference occurred between patients with normal lymphocyte count and lymphocytopenic patients pretreated with IL-2 (54/103 vs. 8/19). This study confirms that pretreatment lymphocytopenia is associated with reduced efficacy of chemotherapy in metastatic colorectal cancer patients. Moreover, it suggests that pretreatment with IL-2 before the onset of chemotherapy may enhance the efficacy of chemotherapy in lymphocytopenic patients. Therefore, the administration of IL-2 before the onset of chemotherapy to improve the immune status of cancer patients may be considered as a new chemoimmunotherapeutic combination, which may be recommended in the treatment of advanced cancer patients, particularly in those with cancer-related immune alterations.
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Lissoni P, Vigano P, Vaghi M, Frontini L, Giuberti C, Manganini V, Casu M, Brivio F, Niespolo R, Strada G. A phase II study of tamoxifen in hormone-resistant metastatic prostate cancer: possible relation with prolactin secretion. Anticancer Res 2005; 25:3597-9. [PMID: 16101186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Recent experimental observations, showing the potential role of prolactin (PRL) as a tumor growth factor for prostate cancer and the unfavourable prognostic significance of enhanced chromogranin-A-secreting neuroendocrine cell proliferation, could contribute to a better understanding of the mechanisms responsible for the occurrence of hormone-resistance in the prostate cancer. Moreover, it has been shown that tamoxifen, which consistently exerts estrogenic activity in males, may inhibit prostate cancer cell proliferation in experimental studies. At present, there are no clinical data in humans. This preliminary phase II study was planned in an attempt to evaluate the therapeutic efficacy of tamoxifen in hormone-refractory metastatic prostate cancer. The study included 14 consecutive metastatic prostate cancer patients, who had progressed under the classical endocrine therapy with LHRH-analogs and/or anti-androgens. Patients received the same treatment plus tamoxifen at 20 mg/day orally. A decline greater than 50% in prostate-specific antigen (PSA) levels occurred in 4/14 (29%) patients within the first 2 months of therapy, with a median duration of 5 months. Mean pre-treatment levels of PRL were significantly higher in responder patients than in those who progressed. Moreover, abnormally high pre-treatment levels of PRL were found in 5/14 (36%) patients. The percent of clinical responses observed in patients with pre-treatment hyperprolactinemia was significantly higher than that found in patients with normal pre-treatment PRL concentrations. Finally, a significant decline in mean PRL levels upon tamoxifen therapy occurred only in the responder patients. This preliminary study seems to justify further clinical research to confirm the potential efficacy of tamoxifen in the treatment of hormone-refractory prostate cancer and to identify possible parameters, which may predict the response to treatment.
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Lissoni P, Meregalli S, Bonetto E, Mancuso M, Brivio F, Colciago M, Gardani G. Radiotherapy-induced lymphocytopenia: changes in total lymphocyte count and in lymphocyte subpopulations under pelvic irradiation in gynecologic neoplasms. J BIOL REG HOMEOS AG 2005; 19:153-8. [PMID: 16602631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Lymphocytopenia is one of the most negative biological prognostic factors in cancer patients. Lymphocytopenia may depend on tumor progression, or on various anticancer therapies. In particular, radiotherapy (RT) may induce direct lymphocyte damage. The present study was carried out to evaluate the influence of pelvic irradiation on lymphocyte number and lymphocyte subpopulations in patients with gynecologic tumors. The study included 40 patients affected by locally limited or advanced uterine tumors, who underwent pelvic irradiation for a total dose of 50.4 Gy. RT induced a significant decline in total lymphocyte number, with values lower than 500/mm3 in 29/40 (73%) patients and with a mean decrease of 71 +/- 4%. In the same way, T lymphocyte, CD4, CD8 and NK cell mean numbers significantly decreased under RT. The decline in NK and CD8 cells was limited to the first 2-3 weeks of irradiation, whereas that involving T lymphocytes and CD4 cells was progressive and persistent until the end of RT. Finally, the decline in total lymphocyte number was significantly greater in patients who had no tumor regression in response to RT. This study confirms that pelvic RT may induce severe lymphocytopenia which could negatively influence the efficacy of RT itself.
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Lissoni P, Messina G, Brivio F, Rovelli F, Di Fede G, Mainini E, Veronese E. Cortisol response to an acute injection of IL-2 in healthy subjects and cancer patients: a first immunoneuroendocrine standardized clinical test to explore the interactions between immune and neuroendocrine systems. J BIOL REG HOMEOS AG 2005; 19:141-4. [PMID: 16602629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Preliminary clinical studies would suggest that the immune alterations characterizing severe human illnesses, such as autoimmune diseases and cancer itself, may depend at least in part on an anomalous psychoneuroendocrine regulation of the immunity. Unfortunately, at present the psychoneuroimmune interactions may be clinically investigated only by separately analyzing the neuroendocrine and the immune systems, since there is no standardized clinical test capable of detecting the physiological response of the endocrine secretion to an immune stimulation. One of the main endocrine functions influenced by the immune activation is the hypothalamic-pituitary-adrenal axis. In fact, several cytokines have appeared to stimulate cortisol secretion by acting at a central site. On this basis, a study was planned to evaluate cortisol response to an acute IL-2 injection in healthy subjects and metastatic cancer patients, in an attempt to standardize a clinical neuroendocrinoimmune test capable of documenting possible alterations of the link between neuroendocrine and immune systems. The study included 10 healthy subjects as a control group and 10 cancer patients with metastatic disease. Control subjects were evaluated in basal conditions to determine the physiological circadian rhythm of cortisol, and after the subcutaneous (SC) injection of IL-2 (3 and 9 million IU). IL-2 at 3 million IU stimulated cortisol release in all healthy controls and in none of the cancer patients. IL-2 at 9 million IU induced a significant increase in cortisol mean levels in cancer patients, whose values, however, were still significantly lower with respect to those seen in controls in response to IL-2 at 3 million IU. No important IL-2 related side-effect occurred. This study shows that an acute SC injection of low-dose IL-2 with a following evaluation of cortisol secretion may constitute a first standardized immunoendocrine test, capable of exploring the status of the physiological link between neuroendocrine and immune systems, and of documenting the existence of important alterations in human diseases related to an immune dysfunction, such as advanced cancer, which has appeared to be characterized by a hyposensitivity of the hypothalamic-pituitary-adrenal axis to an acute cytokine administration.
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Ridolfi R, Dall’agata M, Bertetto O, Santo A, Naglieri E, Lopez M, Recchia F, Lissoni P, Porcile G, Fumagalli L, Nanni O. Randomized Italian multicentric trial comparing cisplatinum and gemcitabine with or without low dose interleukin-2 (IL-2) in advanced non-small cell lung cancer (NSCLC). J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.7139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Lissoni P, Bignami A, Frontini L, Manganini V, Dapretto E, Gardani GS, Viganò P, Strada G. Possible involvement of prolactin in endocrine-resistant metastatic prostate cancer. Int J Biol Markers 2005; 20:123-5. [PMID: 16011043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The hormone resistance of prostate cancer has been proved to depend at least in part on enhanced neuroendocrine activity and the resultant increase in blood concentrations of chromogranin A. Other experimental observations have suggested the involvement of prolactin (PRL), which appears to be a potential growth factor for prostate cancer. Abnormally high levels of PRL have been detected in metastatic prostate cancer, but the clinical significance of this finding has still to be clarified. In an attempt to explain the prognostic significance of serum PRL levels in prostate cancer, in this preliminary study we have analyzed the PRL levels in a group of metastatic prostate cancer patients with hormone-dependent or hormone-resistant cancer. The study included 50 patients with metastatic prostate cancer, 15 of whom had hormone-resistant tumors. The serum levels of PRL were measured by the RIA method. Abnormally high concentrations of PRL were found in 11/50 (22%) patients. Moreover, the percent of patients with cancer-related hyperprolactinemia was significantly higher in the hormone-resistant group than in the hormone-dependent group (8/15 vs 3/35, p < 0.01). This study confirms the possible existence of a hyperprolactinemic state in metastatic prostate cancer, as previously reported by other authors. Moreover, it appears to demonstrate that the occurrence of hyperprolactinemia is more frequent in hormone-resistant neoplasms, suggesting the possible involvement of PRL in hormone independence. Further studies concomitantly evaluating PRL and chromogranin A blood concentrations will be necessary to establish whether the hyperprolactinemia precedes and promotes the onset of hormone resistance in prostate cancer, or whether it is simply a consequence of the hormone independence.
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Frontini L, Lissoni P, Vaghi M, Perego MS, Pescia S, Ardizzoia A, Gardani G. Enhancement of the efficacy of weekly low-dose taxotere by the long acting anti-prolactinemic drug cabergoline in pretreated metastatic breast cancer. Anticancer Res 2004; 24:4223-6. [PMID: 15736476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
In view of its potential action as a growth factor, the evidence of abnormally high blood levels of prolactin (PRL) is associated with a poor prognosis in metastatic breast cancer. Moreover, metastatic breast cancer-related hyperprolactinemia has proven to counteract the efficacy of cancer chemotherapy. The negative influence of high blood levels of PRL on the efficacy of chemotherapy in metastatic breast cancer has been confirmed by previous preliminary studies, showing that the concomitant administration of the anti-prolactinemic dopaminergic agent bromocriptine may enhance the therapeutic effect of chemotherapy. However, the clinical use of bromocriptine is limited by its short duration and gastrointestinal toxicity. Therefore, new anti-prolactinemic drugs, characterized by less toxicity and a longer duration of activity, such as Cabergoline (CBG), could be more appropriated to control PRL secretion in breast cancer. On this basis, a study was planned to evaluate the efficacy and tolerability of a concomitant administration of CBG with weekly low-dose Taxotere (TXT) in pretreated metastatic breast cancer under chemotherapy. The study group comprised 70 metastatic breast cancer patients (females), pretreated with at least one previous chemotherapeutic line containing anthracyclines, who were randomized to be treated with TXT alone or TXT plus CBG. TXT 25 mg/m2 was given i.v. at weekly intervals for at least 9 consecutive cycles. CBG was given orally at 0.5 mg once per week. Abnormally high pre-treatment levels of PRL were seen in 24/70 (34%) patients, 11 of whom were treated with TXT plus CBG, whereas the other 13 received TXT alone. CBG induced a complete normalization of the PRL levels in all patients within the first two weeks of therapy, whereas no normalization of PRL occurred spontaneously in patients treated with chemotherapy alone. The objective tumor regression rate was significantly higher in patients concomitantly treated with CBG than in those who received chemotherapy alone (31/34 vs 13/36, p < 0.05), and this difference was particularly evident in patients with high PRL levels prior to therapy (6/11 vs 2/13). No CBG-related toxicity occurred. On the contrary, chemotherapy-induced asthenia was significantly lower in patients concomitantly treated with CBG (5/34 vs 11/36, p < 0.05). This study shows that the chemoneuroendocrine therapy of weekly low-dose TXT plus the anti-prolactinemic drug CBG is a new, effective and well-tolerated therapy for metastatic breast cancer. It may also be recommended in heavily pretreated patients or in those with poor clinical status.
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Lissoni P, Vaghi M, Pescia S, Rovelli F, Ardizzola A, Valtulina F, Malugani F, Gardani G, Tancini G. Biological response modifiers of cancer-related neuroendocrine disorders: efficacy of the long-term dopaminergic agonist cabergoline in the treatment of breast cancer-induced hyperprolactinemia. J BIOL REG HOMEOS AG 2004; 18:291-4. [PMID: 15786695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The evaluation of the biological status of cancer patients should not be limited only to investigation of immune reactivity, but should also include analysis of the endocrine condition, namely concerning those hormones which have appeared to be tumor growth factors, such as prolactin (PRL) for breast and prostate carcinomas. This statement is justified by the fact that the evidence of abnormally high serum concentrations of PRL has been proven to be associated with poor prognosis in breast and prostate cancer patients. Moreover, since hyperprolactinemia negatively influences the efficacy of anticancer therapies in breast cancer, it could be fundamental to achieve a normalization of PRL levels by long-acting dopaminergic agents, such as cabergoline. On this basis, a study was planned to evaluate the effect of cabergoline on PRL levels in hyperprolactinemic metastatic breast cancer subjects. The study included 20 hyperprolactinemic metastatic breast cancer subjects, who were randomized to receive no therapy or cabergoline at 0.5 mg/week orally for 4 consecutive weeks. Cabergoline therapy induced a normalization in all patients, whereas no spontaneous normalization of PRL levels occured in the control group. These results show that a weekly oral administration of the long-acting dopaminergic agent cabergoline is a well tolerated and effective treatment of metastatic breast cancer-related hyperprolactinemia. The possible prognostic impact of PRL normalization needs to be established by successive studies.
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Lissoni P, Messina G, Vaghi M, Bartolacelli E, Massarenti LL, Trabattoni P, Meregalli P, Meregalli M, Gavazzeni C, Rovelli F, Tancini G, Gardani GS. A psychoneuroendocrine study of brain dopaminergic sensitivity in locally limited or metastatic cancer patients. In Vivo 2003; 17:647-50. [PMID: 14758733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
In addition to the occurrence of pain, the evidence of a diminished capacity to feel pleasure is one of the most common cancer-related symptoms. Recent advances in psychoneuroendocrinological knowledge has shown that the perception of pleasure is mainly mediated by the dopaminergic pathways in the brain. Moreover, it has also been demonstrated that the brain dopaminergic sensitivity may be clinically explored by evaluating the endocrine response to the administration of dopaminergic agents, such as apomorphine, which consists of a decline in PRL concentrations and an increase in GH and cortisol levels. The present study was performed to evaluate dopaminergic sensitivity by the administration of apomorphine in cancer patients in an attempt to document possible cancer-related neuroendocrine anomalies, which could explain the psychological status of the patients. The study included 24 cancer patients (breast cancer: 12; colorectal cancer: 7; non-small cell lung cancer: 5), 12 of whom showed distant organ metastases. Apomorphine was given orally at 0.01 mg/kg b.w., by collecting venous blood samples before and after 20 and 60 minutes. A normal decline in PRL levels was seen in both non-metastatic and metastatic cancer patients. No cortisol increase in response to apomorphine was achieved and the lack of cortisol response was particularly evident in metastatic patients. No GH rise occurred in either metastatic or non-metastatic cancer patients. Finally, no significant difference in the endocrine response to apomorphine was seen in relation to the histotype of tumor. The results of this study show that the neoplastic disease is characterized by neurochemical alterations involving pleasure-related dopaminergic pathways, which are more evident in the metastatic disease, without particular differences in relation to tumor histotype. Therefore, the psychological condition of cancer patients would not depend only on psychological factors, but it could be due at least in part to cancer-related neuroendocrine alterations involving the dopaminergic system.
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Messina G, Lissoni P, Bartolacelli E, Tancini G, Villa S, Gardani GS, Brivio F. A psychoncological study of lymphocyte subpopulations in relation to pleasure-related neurobiochemistry and sexual and spiritual profile to Rorschach's test in early or advanced cancer patients. J BIOL REG HOMEOS AG 2003; 17:322-6. [PMID: 15065761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
According to recent advances in psychoneuroimmunology concerning the neurobiochemistry of emotions, the pshychological status of cancer patients should be investigated in relation to the function of the psychoneurodocrine system, in an attempt to put into evidence possible cancer progression-related alterations, particularly those involving the dopaminergic pathways, which play a fundamental role in the perception of pleasure. In fact, the decreased capacity of feeling pleasure is one of the most frequent psychic symptoms occurring in cancer patients. Rorschach's test has been proven to be an appropriate psychological tool to investigate psychic condition including sexual and spiritual profiles. On this basis, a study was planned to evaluate if a relation exists between psychological response to Rorschach's test and immunoneuroendocrine status of cancer patients. The immune status was investigated by measuring lymphocyte subsets and serum levels of IL-2 and IL-10. The neuroendocrine status was analyzed by evaluating the endocrine response of PRL, GH and cortisol to an oral administration of apomorphine (0.01 mg/kg b.w.), a dopaminergic agent able to explore dopaminergic sensitivity. The study included 40 cancer patients (breast cancer: 15; colorectal cancer: 14; lung cancer: 11), 21 of whom showed distant organ metastases. Rorschach's test demonstrated a simultaneous suppression of sexual and spiritual profiles in 31/40 (78%) patients, without significant differences in relation to either tumor histotype or disease state. A normal decline in PRL levels and a normal increase in those of GH and cortisol was observed in 29/40 (73%), 5/40 (13%) and 9/40 (23%) patients. The percent of normal responses of PRL, GH and cortisol was higher in patients with normal than in those with altered response to Rorschach's test, even though only the difference in PRL and cortisol response was statistically significant. Patients with normal sexual and spiritual expression at Rorschach's test showed a significantly higher number of total lymphocytes, T lymphocytes, T helper lymphocytes and NK cells with respect to the patients with altered psychological response, whereas no difference was found in T cytotoxic lymphocyte mean number. IL-2 and IL-10 mean serum concentrations were lower and higher, respectively, in patients with altered than in those with normal response to Rorschach's test, even though only the difference in IL-10 values was statitistically significant. This preliminary study, carried out to analyze the psychological status of cancer patients in relation to neuroendocrine and immune conditions, would suggest that neoplastic disease is characterized by a simultaneous suppression of sexual and spiritual profiles, and that this is associated with neuroendocrine alterations and immunosuppression.
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Lissoni P, Chilelli M, Villa S, Cerizza L, Tancini G. Five years survival in metastatic non-small cell lung cancer patients treated with chemotherapy alone or chemotherapy and melatonin: a randomized trial. J Pineal Res 2003; 35:12-5. [PMID: 12823608 DOI: 10.1034/j.1600-079x.2003.00032.x] [Citation(s) in RCA: 133] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Numerous experimental data have documented the oncostatic properties of melatonin. In addition to its potential direct antitumor activity, melatonin has proved to modulate the effects of cancer chemotherapy, by enhancing its therapeutic efficacy and reducing its toxicity. The increase in chemotherapeutic efficacy by melatonin may depend on two main mechanisms, namely prevention of chemotherapy-induced lymphocyte damage and its antioxidant effect, which has been proved to amplify cytotoxic actions of the chemotherapeutic agents against cancer cells. However, the clinical results available at present with melatonin and chemotherapy in the treatment of human neoplasms are generally limited to the evaluation of 1-year survival in patients with very advanced disease. Thus, the present study was performed to assess the 5-year survival results in metastatic non-small cell lung cancer patients obtained with a chemotherapeutic regimen consisting of cisplatin and etoposide, with or without the concomitant administration of melatonin (20 mg/day orally in the evening). The study included 100 consecutive patients who were randomized to receive chemotherapy alone or chemotherapy and melatonin. Both the overall tumor regression rate and the 5-year survival results were significantly higher in patients concomitantly treated with melatonin. In particular, no patient treated with chemotherapy alone was alive after 2 years, whereas a 5-year survival was achieved in three of 49 (6%) patients treated with chemotherapy and melatonin. Moreover, chemotherapy was better tolerated in patients treated with melatonin. This study confirms, in a considerable number of patients and for a long follow-up period, the possibility to improve the efficacy of chemotherapy in terms of both survival and quality of life by a concomitant administration of melatonin. This suggests a new biochemotherapeutic strategy in the treatment of human neoplasms.
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Lissoni P, Ardizzoia A, Cerea G, Acquati M, Simonelli M, Vaghi M, Tancini G, Gardani G. Polyneuroendocrine therapy of advanced breast cancer with LHRH analogue, tamoxifen and the antiprolactinemic drug cabergoline: Phase 2 study. Breast 2003. [DOI: 10.1016/s0960-9776(03)80132-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Cerea G, Vaghi M, Ardizzoia A, Villa S, Bucovec R, Mengo S, Gardani G, Tancini G, Lissoni P. Biomodulation of cancer chemotherapy for metastatic colorectal cancer: a randomized study of weekly low-dose irinotecan alone versus irinotecan plus the oncostatic pineal hormone melatonin in metastatic colorectal cancer patients progressing on 5-fluorouracil-containing combinations. Anticancer Res 2003; 23:1951-4. [PMID: 12820485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Recent advances in immunobiological knowledge have suggested the possibility of enhancing the therapeutic activity of various chemotherapeutic agents by a concomitant administration of anti-oxidant drugs and/or immunomodulating neurohormones. In particular, the pineal neurohormone melatonin (MLT), which is able to exert both antioxidant and immunomodulating effects, has been proven to enhance the efficacy of various chemotherapeutic drugs, namely cisplatin, anthracyclines and 5-fluorouracil, whereas at present there are no data about its possible influence on cytotoxic drugs effective in the treatment of colon cancer other than 5-fluorouracil, such as irinotecan (CPT-11). The present study was performed to evaluate the influence of a concomitant administration of MLT on CPT-11 therapeutic activity in metastatic colorectal cancer. The study included 30 metastatic colorectal cancer patients progressing after at least one previous chemotherapeutic line containing 5-fluorouracil, who were randomized to be treated with CPT-11 alone or CPT-11 plus MLT. According to a weekly low-dose schedule, CPT-11 was given i.v. at 125 mg/m2/week for 9 consecutive weeks. MLT was administered orally at 20 mg/day during the dark period of the day. No complete response was observed. A partial response (PR) was achieved in 2 out of 16 patients treated with CPT-11 alone and in 5 out of 14 patients concomitantly treated with MLT. Moreover, a stable disease (SD) was obtained in 5 out of 16 patients treated with CPT-11 alone and in 7 out of 14 patients treated with CPT-11 plus MLT. Therefore, the percent of disease-control achieved in patients concomitantly treated with MLT was significantly higher than that observed in those treated with chemotherapy alone (12 out of 14 vs 7 out of 16, p < 0.05). The only important toxicity was diarrhoea grade 3-4, which occurred in 6 out of 16 patients treated with CPT-11 alone and in 4 out of 14 patients treated with CPT-11 plus MLT, which required a 50% dose reduction. However, taken together, patients treated with CPT-11 at 50% of the planned dose showed a percent of disease control comparable to that achieved in patients who had no dose reduction (6 out of 10 vs 13 out of 20). This preliminary study shows that the efficacy of weekly low-dose CPT-11 in pretreated metastatic colorectal cancer patients may be enhanced by a concomitant daily administration of the pineal hormone MLT, according to the results previously reported for other chemotherapeutic agents. Moreover, since the dose reduction of CPT-11 does not influence its efficacy, the dose of CPT-11 for successive studies might be not greater than 70 mg/m2.
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Lissoni P, Vaghi M, Villa S, Bodraska A, Cerizza L, Tancini G, Gardani GS. Antiprolactinemic approach in the treatment of metastatic breast cancer: a phase II study of polyneuroendocrine therapy with LHRH-analogue, tamoxifen and the long-acting antiprolactinemic drug cabergoline. Anticancer Res 2003; 23:733-6. [PMID: 12680176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Despite the well-demonstrated stimulatory role of prolactin (PRL) on breast cancer cell growth and the possible existence of a PRL-dependency in estrogen-independent mammary tumors, the therapeutic role of the antiprolactinemic drugs in the treatment of human breast cancer has still to be investigated and defined. Previous preliminary studies have already shown that the concomitant administration of antiprolactinemic agents may enhance the efficacy of cancer chemotherapy for breast carcinoma, whereas their impact on the efficacy of the endocrine therapy is still unknown. At present, the classic endocrine therapy for breast cancer consists of anti-estrogens plus LHRH-analogue. The concomitant administration of antiprolactinemic drugs could enhance the efficacy of treatment by blocking not only the action of estrogens, but also that of another growth factor for breast cancer, such as PRL. The present phase II study was performed to evaluate the efficacy and tolerability of a polyneuroendocrine approach for breast cancer, consisting of LHRH-analogue plus the anti-estrogen tamoxifen plus a long-acting antiprolactinemic agent, cabergoline. The study included 14 consecutive metastatic breast cancer women, heavily pretreated with the standard anticancer therapies and for whom no other conventional treatment was available. The LHRH-analogue, triptorelin, was given intramuscularly at a dose of 3.75 mg every 28 days, tamoxifen was given orally at 20 mg/day and cabergoline was given orally at 0.5 mg once/week. The clinical response consisted of partial response (PR) in 4 out of 14 (29%) patients, including one who had progressed on a previous treatment with triptorelin plus tamoxifen alone. A stable disease (SD) was achieved in another 5 patients, whereas the other 5 patients had a progressive disease (PD). Mean serum levels of PRL significantly decreased on treatment within the first month of therapy, and its decline was significantly more evident in patients with PR or SD than in those with PD. The treatment was well-tolerated in all patients, and in particular no cabergoline-related toxicity occurred. This preliminary study would suggest that the association of the long-acting antiprolactinemic drug cabergoline may further enhance the efficacy of the classical endocrine therapy for advanced breast cancer with anti-estrogens plus LHRH-analogues.
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Lissoni P, Mengo S, Bucovec R, Brivio F, Fumagalli L, Tancini G, Gardani GS. Clinical and biological effects of interleukin-2 with or without a concomitant administration of granulocyte-macrophage colony-stimulating factor in metastatic cancer patients. In Vivo 2003; 17:73-5. [PMID: 12655794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
GM-CSF has been shown to modulate the anticancer activity of IL-2 with, however, controversial results depending on the great variety of biological effects induced by GM-CSF itself. The activation of dendritic cells and the generation of suppressive cells would constitute the main favourable and unfavourable biological effects of GM-CSF, respectively. The present study was performed in an attempt to evaluate the clinical and biological effects of a concomitant GM-CSF administration of the immunotherapy of metastatic renal cell carcinoma with IL-2. The study included 25 patients, who were randomized to be treated with IL-2 alone or IL-2 plus GM-CSF. IL-2 was injected subcutaneously at 6 MIU/day for 6 days/week for 4 consecutive weeks, coressponding to one complete cycle. GM-CSF was injected subcutaneously at 0.3 micrograms/kg b.w. for 3 consecutive days for the first 3 days of each week of IL-2 administration. Two immunotherapeutic cycles at 21-day intervals were planned. No significant difference was observed in the percent of non-progressive disease between the two groups of patients. The increase in leukocyte mean number was significantly higher in patients concomitantly treated with GM-CSF, whereas no difference was observed in that of lymphocytes. This preliminary study suggests that the concomitant administration of GM-CSF does not enhance the therapeutic efficacy of IL-2 immunotherapy of metastatic renal cell cancer.
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Lissoni P, Bordin V, Vaghi M, Fumagalli L, Bordoni A, Mengo S, Bucovec R, Fumagalli E, Malugani F, Ardizzoia A, Giani L, Gardani GS, Tancini G. Ten-year survival results in metastatic renal cell cancer patients treated with monoimmunotherapy with subcutaneous low-dose interleukin-2. Anticancer Res 2002; 22:1061-4. [PMID: 12168901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
After more than ten years of clinical investigations, IL-2 immunotherapy appears to constitute the most effective treatment metastatic renal cell carcinoma (RCC),at least in terms of survival time. Moreover, it has been shown that comparable results may be achieved with different schedules of treatment, including intravenous high-dose or subcutaneous (SC) low-dose IL-2. Finally, it has been demonstrated that the association with interferon-alpha does not increase the efficacy of IL-2. Therefore, SC low-dose IL-2 alone may be considered as an adequate therapy for metastatic RCC. In fact, our previous studies with SC low-dose IL-2 alone have shown a 5-year survival time similar to that described with higher and more toxic doses of IL-2. This study was performed to analyze the 10-year survival results with SC low-dose IL-2 in metastatic RCC The study included 44 consecutive metastatic RCC patients, with a minimum follow-up of 120 months. One comlete immunotherapeutic cycle consisted of IL-2 at 3 million IU twice/day SC, 5 days/week for 6 consecutive weeks. In non-progressing patients, a second cycle was planned after a 21-day rest period. Complete response (CR) was achieved in only 2 out of 44 (4%) patients, while partial response (PR) was obtained in 8 out of /44 (18%) patients. Therefore, the response rate (CR + PR) was 10 out of 44 (22%), with a median response duration of 12 months. Stable disease (SD) occurred in 21 out of 44 (48%) patients,whereas the remaining 13 out of 44 (30%) patients had a progressive disease (PD). A 10-year survival was achieved in 2 out of 44 (5%) and the percent of survival at 10 years was significantly higher in patients with response or SD than in those with PD. This study confirms at 10 years the results previously referred to by other authors and by ourselves, in showing that the efficacy of IL-2 immunotherapy in terms of control of cancer growth is associated with a clear prolongation of the overall survival time in metastatic RCC.
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