In the era of HAART, a refinement of the original ACTG staging system is needed. CD4 level does not seem to provide prognostic information. Two different risk categories are identified: a good risk (T0S0, T1S0, T0S1) and a poor risk (T1S1).
IntroductionComplementary and Alternative Medicine (CAM) include a wide range of products (herbs, vitamins, minerals, and probiotics) and medical practices, developed outside of the mainstream Western medicine. Patients with cancer are more likely to resort to CAM first or then in their disease history; the potential side effects as well as the costs of such practices are largely underestimated.Patients and methodWe conducted a descriptive survey in five Italian hospitals involving 468 patients with different malignancies. The survey consisted of a forty-two question questionnaire, patients were eligible if they were Italian-speaking and receiving an anticancer treatment at the time of the survey or had received an anticancer treatment no more than three years before participating in the survey.RESULTSOf our patients, 48.9% said they use or have recently used CAM. The univariate analysis showed that female gender, high education, receiving treatment in a highly specialized institute and receiving chemotherapy are associated with CAM use; at the multivariate analysis high education (Odds Ratio, (OR): 1.96 95% Confidence Interval, CI, 1.27-3.05) and receiving treatment in a specialized cancer center (OR: 2.75 95% CI, 1.53-4.94) were confirmed as risk factors for CAM use.ConclusionRoughly half of our patients receiving treatment for cancer use CAM. It is necessary that health professional explore the use of CAM with their cancer patients, educate them about potentially beneficial therapies in light of the limited available evidence of effectiveness, and work towards an integrated model of health-care provision.
In the HAART era Kaposi's sarcoma (KS) remains the second most frequent tumor in HIV-infected patients worldwide, and it has become the most common cancer in Sub-Saharan Africa. In western countries the risk for KS in men having sex with men (MSM) is 5 to 10 times higher compared to other groups of individuals practicing other HIV-risk behaviors. Patients with KS in Sub-Saharan Africa have very high tumor burdens and rapid disease progression with a diminished life expectancy of less than 6 months. KS lesions are comprised of both distinctive spindle cells of endothelial origin and a variable inflammatory infiltrate, which suggests that KS may result from reactive hyperproliferation induced by chronic inflammation, and therefore it is not a true neoplasm. KS has a variable clinical course ranging from very indolent forms, requiring no or minimal therapy, to a rapidly progressive disease. Treatment decisions must take into consideration the extent and the rate of tumor growth, patient's symptoms, immune system conditions and concurrent HIV-related complications. Several different therapeutic options are available but the optimal therapy is still unclear. Highly Active Antiretroviral Therapy (HAART) including protease inhibitors (PI) may represent the first treatment step for slowly progressive disease; chemotherapy (CT) plus HAART is indicated for visceral and/or rapidly progressive disease, whereas maintenance (M)-HAART after systemic chemotherapy may be an effective anti-KS measure after debulking CT. The angiogenic nature of KS makes it particularly suitable for therapies based on targeted agents such as metalloproteinase inhibitors, angiogenesis inhibitors and tyrosine kinase inhibitors. The aim of this article is to provide an up-to-date review of the current status and perspectives of AIDS-related KS in the HAART era.
BACKGROUNDThe objective of the current study was to evaluate the impact of highly active antiretroviral therapy (HAART) on clinical characteristics of presentation and the natural history of Kaposi sarcoma (KS) in patients already receiving HAART at the time of KS diagnosis.METHODSThe authors conducted a retrospective cohort study comparing epidemiologic, clinical, and outcome data for 160 patients who were naive to HAART at the time of KS diagnosis (KS‐naive) with the corresponding data for 51 patients already receiving HAART at the time of KS diagnosis (KS‐HAART). The analysis included all patients with a diagnosis of KS since January 1996 within two Italian cohorts of patients with human immunodeficiency virus.RESULTSImmunologic and virologic status at the time of KS diagnosis were significantly more favorable in the KS‐HAART group than in the KS‐naive group. The frequency of cutaneous involvement was similar in both groups, but cutaneous disease was more indolent among KS‐HAART patients, with 1 anatomic site of involvement in 9 patients (21%) and less than 10 lesions in 26 patients (60%), compared with 16 patients (12%; P = 0.06) and 47 patients (34%; P = 0.01), respectively, in the KS‐naive group. A smaller proportion of KS‐HAART patients presented with visceral disease (24% vs. 39%; P = 0.06); in particular, gastrointestinal tract involvement was significantly less frequent among KS‐HAART patients (14%) compared with KS‐naive patients (28%; P = 0.05). Median survival was not reached in either group, and the 3‐year survival rates of KS‐HAART patients (64%) and KS‐naive patients (78%) were not significantly different.CONCLUSIONSThe data from the current study indicate that KS exhibits a less aggressive presentation in patients already receiving HAART compared with patients who are naive to HAART at KS diagnosis. Natural history and outcome do not appear to be influenced by the initiation of HAART before development of KS. Cancer 2003. © 2003 American Cancer Society.
The introduction of Highly Active Antiretroviral Therapy (HAART) into clinical practice has dramatically changed the natural approach of HIV-related cancers. Several studies have shown that intensive antiblastic chemotherapy (AC) is feasible in HIV-infected patients with cancer, and that the outcome is similar to that of HIV-negative patients receiving the same AC regimens. However, the concomitant use of HAART and AC can result in drug accumulation or possible toxicity with consequent decreased efficacy of one or both classes of drugs. In fact, many AC agents are preferentially metabolized by CYP450 and drug–drug interactions (DDIs) with HAART are common. Therefore, it is important that HIV patients with cancer in HAART receiving AC treatment at the same time receive an individualized cancer management plan based on their liver and renal functions, their level of bone marrow suppression, their mitochondrial dysfunction, and their genotype profile. The rationale of this review is to summarize the existing data on the impact of HAART on the clinical management of cancer patients with HIV/AIDS and DDIs between antiretrovirals and AC. In addition, in order to maximize the efficacy of antiblastic therapy and minimize the risk of drug–drug interaction, a useful list of pharmacogenomic markers is provided.
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