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1.
J Endocrinol Invest ; 2024 May 11.
Article in English | MEDLINE | ID: mdl-38733428

ABSTRACT

PURPOSE: Information on the general health of transgender and gender diverse (TGD) individuals continues to be lacking. To bridge this gap, the National Institute of Health in Italy together with the National Office against Racial Discriminations, clinical centres, and TGD organizations carried out a cross-sectional study to define the sociodemographic profile, health-related behaviours, and experiences of healthcare access in Italian TGD adult population. METHODS: A national survey was conducted by Computer-Assisted Web Interviewing (CAWI) technique. Collected data were compared within the TGD subgroups and between TGD people and the Italian general population (IGP). RESULTS: TGD respondents were 959: 65% assigned female at birth (AFAB) and 35% assigned male at birth (AMAB). 91.8% and 8.2% were binary and non-binary TGD respondents, respectively. More than 20% of the TGD population reported to be unemployed with the highest rate detectable in AMAB and non-binary people. Cigarette smoking and binge drinking were higher in the TGD population compared with IGP (p < 0.05), affecting TGD subgroups differently. A significant lower percentage of AFAB TGD people reported having had screening for cervical and breast cancer in comparison with AFAB IGP (p < 0.0001, in both cases). Over 40% was the percentage of AFAB and non-binary TGD people accessing healthcare who felt discriminated against because of their gender identity. CONCLUSIONS: Our results are a first step towards a better understanding of the health needs of TGD people in Italy in order to plan the best policy choices for a more inclusive public health.

2.
ESMO Open ; 8(3): 101578, 2023 Jun.
Article in English | MEDLINE | ID: mdl-37270870

ABSTRACT

BACKGROUND: Transgender and gender-diverse (TGD) population represents an underserved group across the cancer care continuum. To assess the perspective of both oncology health care providers (OHPs) and TGD individuals in Italy, we conducted two national surveys: one among 2407 OHPs about their attitudes, knowledge and behavior toward TGD patients, and one among TGD persons about their health needs, experiences and barriers encountered in the use of health services across the cancer continuum. MATERIALS AND METHODS: The surveys were self-compiled web-based computer-aided web interview, conducted in Italy within the 'OncoGender-Promoting Inclusion in Oncology' project, led by the Italian national cancer society [Associazione Italiana di Oncologia Medica (AIOM)]-associated researchers. All members of AIOM were invited by e-mail to participate in the OHP survey. TGD persons were reached through advocacy groups and consumers' panel. The recruitment was completed on a voluntary basis. Survey data were collected and managed using an online platform managed by ELMA Research, an independent pharmaceutical marketing agency. RESULTS: A total of 305 OHPs (13% of AIOM members) and 190 TGD individuals participated in the surveys. Only 19% of OHPs felt competent in providing care to TGD patients and 21% declared not to feel comfortable in treating TGD patients. Seventy-one percent of TGD persons reported that they had never joined any cancer screening program; 32% reported one or more acts of discrimination by health care providers. Seventy-two percent of OHPs recognized the lack of specific education on cancer care for TGD patients and deemed it necessary to receive adequate training. CONCLUSIONS: A general lack of knowledge among OHPs about TGD health issues seems to be the main driver of difficulties in providing assistance and of discriminatory attitudes against TGD individuals. Ultimately, this whole issue generates access barriers and contributes to lack of trust in health care services. Educational interventions and an implementation of person-centric cancer policies are urgently needed.


Subject(s)
Neoplasms , Transgender Persons , Humans , Gender Identity , Health Services Accessibility , Health Services , Medical Oncology , Neoplasms/therapy
3.
J Endocrinol Invest ; 46(12): 2481-2492, 2023 Dec.
Article in English | MEDLINE | ID: mdl-37204690

ABSTRACT

PURPOSE: Data on the role of prolactin (PRL) in the physiologic range in the female sexual response are scanty. We aimed at investigating the association between PRL and sexual function as assessed by the Female Sexual Function Index (FSFI). We explored the presence of a cut-off level of PRL able to identify Hypoactive Sexual Desire Disorder (HSDD). METHODS: 277 pre- and post-menopausal women consulting for Female Sexual Dysfunction (FSD) and sexually active were enrolled in an observational, retrospective study. 42 women were used as no-FSD controls. A clinical, biochemical and psychosexual evaluation was performed. The main outcome measures were: FSFI, Female Sexual Distress Scale-Revised, Middlesex Hospital Questionnaire and Sexual excitation/sexual inhibition scale (SIS/SES). RESULTS: Normo-PRL FSD women (n = 264) showed lower FSFI Desire score than controls (n = 42), and higher than hyper-PRL FSD women (n = 13). These differences emerged both in pre-menopausal and post-menopausal subjects. In the normo-PRL FSD group, those with PRL in the higher quintile reported higher FSFI Desire scores than those with PRL in the lowest quintile. Women with HSDD presented a lower PRL level than those without (p = 0.032). A ROC curve analysis for PRL showed an accuracy of 0.610 ± 0.044 (p = 0.014) in predicting HSDD. With a threshold of < 9.83 µg/L, sensitivity and specificity for HSDD were 63% and 56%, respectively. Subjects with PRL < 9.83 µg/L also reported lower sexual inhibition (p = 0.006) and lower cortisol levels (p = 0.003) than those with PRL > = 9.83 µg/L. CONCLUSIONS: Hyper-PRL is associated with low desire; however, among normo-PRL FSD women, those with the lowest levels demonstrated a poorer desire than those with the highest levels. PRL < 9.83 µg/L predicted HSDD and a lower sexual inhibitory trait.


Subject(s)
Libido , Sexual Dysfunctions, Psychological , Female , Humans , Libido/physiology , Prolactin , Retrospective Studies , Sexual Dysfunctions, Psychological/diagnosis , Sexual Behavior , Surveys and Questionnaires
5.
ESMO Open ; 7(2): 100406, 2022 04.
Article in English | MEDLINE | ID: mdl-35219245

ABSTRACT

INTRODUCTION: COVID-19 has disrupted the global health care system since March 2020. Lung cancer (LC) patients (pts) represent a vulnerable population highly affected by the pandemic. This multicenter Italian study aimed to evaluate whether the COVID-19 outbreak had an impact on access to cancer diagnosis and treatment of LC pts compared with pre-pandemic time. METHODS: Consecutive newly diagnosed LC pts referred to 25 Italian Oncology Departments between March and December 2020 were included. Access rate and temporal intervals between date of symptoms onset and diagnostic and therapeutic services were compared with the same period in 2019. Differences between the 2 years were analyzed using the chi-square test for categorical variables and the Mann-Whitney U test for continuous variables. RESULTS: A slight reduction (-6.9%) in newly diagnosed LC cases was observed in 2020 compared with 2019 (1523 versus 1637, P = 0.09). Newly diagnosed LC pts in 2020 were more likely to be diagnosed with stage IV disease (P < 0.01) and to be current smokers (someone who has smoked more than 100 cigarettes, including hand-rolled cigarettes, cigars, cigarillos, in their lifetime and has smoked in the last 28 days) (P < 0.01). The drop in terms of new diagnoses was greater in the lockdown period (percentage drop -12% versus -3.2%) compared with the other months included. More LC pts were referred to a low/medium volume hospital in 2020 compared with 2019 (P = 0.01). No differences emerged in terms of interval between symptoms onset and radiological diagnosis (P = 0.94), symptoms onset and cytohistological diagnosis (P = 0.92), symptoms onset and treatment start (P = 0.40), and treatment start and first radiological revaluation (P = 0.36). CONCLUSIONS: Our study pointed out a reduction of new diagnoses with a shift towards higher stage at diagnosis for LC pts in 2020. Despite this, the measures adopted by Italian Oncology Departments ensured the maintenance of the diagnostic-therapeutic pathways of LC pts.


Subject(s)
COVID-19 , Lung Neoplasms , Communicable Disease Control , Humans , Italy/epidemiology , Lung Neoplasms/diagnosis , Lung Neoplasms/epidemiology , Lung Neoplasms/therapy , Pandemics
6.
J Endocrinol Invest ; 45(5): 941-961, 2022 May.
Article in English | MEDLINE | ID: mdl-34973154

ABSTRACT

PURPOSE: The current randomized, double-blind, placebo-controlled clinical trial addressed the effects on penile erectile function of relatively high daily oral doses (6 g/day) of L-ARG for 3 months (N = 51) compared to placebo (N = 47), in patients with vasculogenic ED, with comparison between mild-moderate and severe vasculogenic ED. METHODS: The outcome measures included IIEF-6 score and cavernous arteries peak systolic flow velocity (PSV) at dynamic penile duplex ultrasonography (PDU). RESULTS: L-ARG supplementation for 3 months significantly increased IIEF-6 score in the overall cohort (p < 0.0001) and in subgroups of patients with mild-moderate (p < 0.0001) and severe (p = 0.007) vasculogenic ED; PSV was significantly increased in the overall cohort (p < 0.0001) and in patients with mild-moderate (p < 0.0001), but not severe vasculogenic ED. At study completion, 74% of patients improved ED degree category, although only 24% of patients, mainly belonging to the baseline category of mild ED, reached IIEF-6 scores compatible with absence of ED; moreover, 20% of patients, exclusively belonging to the baseline category of mild-moderate vasculogenic ED, reached PSV values compatible with absence of ED. CONCLUSION: The results of the current study demonstrated that supplementation with relatively high doses of L-ARG as a single compound for 3 months significantly improved penile erectile function, assessed by both IIEF-6 score and PSV at dynamic PDU in patients with mild-moderate, and improved IIEF-6 score, but not PSV, in patients with severe vasculogenic ED, therefore suggesting that L-ARG might be an alternative treatment in mild-moderate vasculogenic ED patients experiencing adverse effects or with contraindications for chronic treatment with PDE5i compounds.


Subject(s)
Erectile Dysfunction , Arginine , Dietary Supplements , Double-Blind Method , Erectile Dysfunction/drug therapy , Humans , Male , Penile Erection , Penis/blood supply , Treatment Outcome
7.
Sci Rep ; 11(1): 18899, 2021 09 22.
Article in English | MEDLINE | ID: mdl-34552164

ABSTRACT

Female sexual dysfunction (FSD) may be a mirror of a poor cardiometabolic state. In a small pilot study enrolling 71 women with FSD, we previously demonstrated that clitoral Pulsatility Index (PI) evaluated by using color Doppler ultrasound (CDU), reflecting vascular resistance, was associated with cardiometabolic risk factors. Data on uterine CDU in this context are lacking. First, to confirm previously reported data on the direct association between clitoral PI and cardiometabolic risk factors on a larger study population of women consulting for sexual symptoms; second, to investigate eventual similar correlations between cardiometabolic risk factors and CDU parameters of the uterine artery. We also ascertained whether uterine artery PI, similarly to what had previously been observed for clitoral artery PI, was directly related to body image uneasiness and psychopathological symptoms, assessed by validated questionnaires. N = 230 women consulting our clinic for sexual symptoms were examined with clitoral CDU and blood sampling and were asked to fill out the Female Sexual Function Index, the Middlesex Hospital Questionnaire (MHQ) and the Body Uneasiness Test (BUT). In a subgroup of women (n = 164), we also performed transvaginal CDU with measurement of uterine artery parameters. At multivariate analysis, we found a direct association between clitoral PI and body mass index (BMI) (p = 0.004), waist circumference (WC) (p = 0.004), triglycerides (p = 0.006), insulin (p = 0.029) and HOMA-IR (p = 0.009). Furthermore, a correlation between obesity and Metabolic Syndrome (MetS) and a higher clitoral PI was observed (p = 0.003 and p = 0.012, respectively). Clitoral PI was also correlated with MHQ-S (p = 0.010), a scale exploring somatized anxiety symptoms, and BUT-B Positive Symptom Distress Index (p = 0.010), a measure of body image concerns. Similarly, when investigating the uterine artery, we were able to demonstrate an association between its PI and BMI (p < 0.0001), WC (p = 0.001), insulin (p = 0.006), glycated haemoglobin (p = < 0.0001), and HOMA-IR (p = 0.009). Women diagnosed with obesity and MetS showed significantly higher uterine PI values vs. those without obesity or MetS (p = 0.001 and p = 0.004, respectively). Finally, uterine PI was associated with BUT-A Global Severity Index (p < 0.0001) and with several other BUT-A subdomains. Vascular resistance of clitoral and uterine arteries is associated with cardiometabolic risk factors and body image concerns in women consulting for sexual symptoms. If further confirmed in different populations, our data could suggest CDU, a common examination method, as a useful tool for an identification-and possible correction-of cardiometabolic risk factors.


Subject(s)
Cardiometabolic Risk Factors , Clitoris/diagnostic imaging , Sexual Dysfunctions, Psychological/physiopathology , Uterine Artery/diagnostic imaging , Vascular Resistance , Adult , Body Image/psychology , Body Mass Index , Clitoris/blood supply , Female , Humans , Metabolic Syndrome , Middle Aged , Surveys and Questionnaires , Ultrasonography, Doppler, Color
8.
ESMO Open ; 6(2): 100100, 2021 04.
Article in English | MEDLINE | ID: mdl-33819751

ABSTRACT

High mortality rates in elderly patients or in those with underlying chronic illnesses and/or a compromised immune system is a peculiar feature of COVID-19 infection. The possible coexistence of a cancer and COVID-19 infection in the same individual prompted concerns regarding their synergistic effect on prognosis. In order to balance patients' needs with the risks related to the infection, the question oncologists have asked from the beginning of the first wave of the pandemic has been: 'how can we deal with COVID-19 infection in cancer patients?' In pursuing its mission, the Associazione Italiana Oncologia Medica (AIOM) has made every possible effort to support cancer patients, health care professionals and institutions in the decision-making processes the pandemic has engendered within this scenario. The relevant documents as well as the educational and institutional initiatives the AIOM has taken are reported in this article.


Subject(s)
COVID-19 Vaccines , COVID-19 , Neoplasms , Societies, Medical , COVID-19/prevention & control , Central Venous Catheters , Clinical Trials as Topic , Humans , Influenza Vaccines , Neoplasms/therapy , Oncologists , Practice Guidelines as Topic
9.
ESMO Open ; 6(2): 100053, 2021 04.
Article in English | MEDLINE | ID: mdl-33601297

ABSTRACT

BACKGROUND: Coronavirus disease 2019 (COVID-19) has rapidly spread to every country around the world taking on pandemic proportions. Since 8 March 2020, the Italian government ordered a nationwide lockdown with unavoidable social isolation. Healthcare professionals (HCPs) represent the most physically and emotionally involved category. The aim of this study is to assess the social distress among HCPs in Italy. PATIENTS AND METHODS: In this online, totally anonymous survey, 24 multiple choice questions were posed to medical staff employed in the Italian Healthcare System during the COVID-19 pandemic. Data collection was performed from 30 March to 24 April 2020. RESULTS: A total of 600 HCPs completed the questionnaire. The majority of respondents expressed the fear of being at higher risk of contagion than the general population (83.3%) and the weighty concern of infecting their families (72.5%). An insufficient supply of personal protective equipment (PPE; P = 0.0003) and inadequate training about procedures to follow (P = 0.0092) were seen to significantly coincide with these worries. More than two-thirds declared a change in family organisation, which showed a significant correlation with the concern of infecting their relatives (P < 0.0001). CONCLUSIONS: This is the first Italian survey on social distress among HCPs during the COVID-19 pandemic. The unavailability of PPE, screening procedures and adequate training strongly affected HCPs' emotional status. Although there was a predominance of oncologists (especially from the North of Italy), which impairs the generalisation of our findings, this survey underlined the social impact that this health emergency has had on HCPs.


Subject(s)
COVID-19 , Oncologists/psychology , Stress, Psychological/epidemiology , Adult , Aged , Anxiety , COVID-19/diagnosis , COVID-19/epidemiology , COVID-19 Testing , Fear , Female , Health Personnel/psychology , Health Surveys , Humans , Italy/epidemiology , Male , Middle Aged , Personal Protective Equipment
10.
Tumori ; 104(6): NP25-NP28, 2018 Dec.
Article in English | MEDLINE | ID: mdl-29714655

ABSTRACT

PURPOSE: Early breast cancer follow-up guidelines for patients who underwent surgery suggest a regular and accurate clinical examination of the breast area, for an early identification of cutaneous or subcutaneous breast cancer relapse. Nonetheless, breast skin lesions arising in patients treated with mastectomy for breast cancer can be caused by several diseases. A series of diagnostic hypotheses should be considered, not only focusing on cutaneous metastasis, but also on dermatologic and systemic diseases. CASE REPORT: In February 2015, a 37-year-old patient underwent a right subcutaneous mastectomy for stage IIA breast cancer. Five months after beginning adjuvant chemotherapy, she noted hyperpigmentation and thickening of the skin on the right breast. Differential diagnosis included local relapse, skin infection, lymphoma, or primary cutaneous disease, and a skin biopsy was performed. The histopathologic specimen showed full-thickness sclerosis, with features of localized morphea. Therapy with clobetasol was prescribed, with progressive resolution of the thickness. The collaboration between many professionals in a multidisciplinary team (oncologist, dermatologist, plastic surgeon, and pathologist) was crucial to achieving the diagnosis. CONCLUSION: In the literature, some articles describe correlation between connective tissue diseases and silicone breast implants, but the pathogenetic mechanisms are unknown. We report a rare case of breast morphea after positioning a silicone implant in a patient who had undergone mastectomy. This clinical report represents an interesting model of multidisciplinary management of a patient with breast cancer who developed an uncommon dermatologic disease. Further studies are needed to clarify the association between silicone implants and breast morphea.


Subject(s)
Breast Implants/adverse effects , Breast Neoplasms/pathology , Breast Neoplasms/surgery , Scleroderma, Localized/pathology , Adult , Female , Humans , Mastectomy/methods , Neoplasm Recurrence, Local/pathology
11.
Breast ; 35: 115-121, 2017 Oct.
Article in English | MEDLINE | ID: mdl-28711793

ABSTRACT

BACKGROUND: The BOLERO-2 trial reported efficacy and safety of Everolimus (EVE) and Exemestane (EXE) combination in HR+ advanced breast cancer (ABC) patients. The BALLET trial further evaluated the safety of EVE-EXE in HR+ ABC patients, without reporting efficacy data. Aim of the EVA real-life study was to collect data of efficacy and safety of EVE-EXE combination in the clinical setting, as well as exploring efficacy according to EVE Dose-Intensity (DI) and to previous treatment with Fulvestrant. PATIENTS AND METHODS: This study aimed to describe the outcome of ABC pts treated with EVE-EXE combination in terms of median duration of EVE treatment and ORR in a real-life setting. RESULTS: From July 2013 to December 2015, the EVA study enrolled 404 pts. Median age was 61 years (33-83). Main metastatic sites were: bone (69.1%), soft tissue (34.7%) and viscera (33.2%). Median number of previous treatments was 2 (1-7). 43.3% of the pts had received Fulvestrant. Median exposure to EVE was 31.0 weeks (15.4-58.3) in the whole population. No difference was observed in terms of EVE exposure duration according to DI (p for trend = 0.27) or type of previous treatments (p = 0.33). ORR and Disease Control Rate (DCR) were observed in 31.6% and 60.7% of the patients, respectively, with the lowest ORRs confined in CHT pre-treated patients or in those who received the lowest DI of EVE. Grade 3-4 adverse events (AEs) were reported in 37.9% of the patients. Main AEs were: stomatitis (11.2%), non-infectious pneumonitis - NIP (3.8%), anaemia (3.8%) and fatigue (3.2%). CONCLUSIONS: The EVA study provided new insights in the use of EVE-EVE combination in HR+ ABC pts many years after the publication of the pivotal trial. The combination is safe and the best response could be obtained in patients receiving the full dose of EVE and/or after hormone-therapy as Fulvestrant in ABC.


Subject(s)
Androstadienes/administration & dosage , Breast Neoplasms/drug therapy , Breast Neoplasms/metabolism , Everolimus/administration & dosage , Receptor, ErbB-2/metabolism , Adult , Aged , Aged, 80 and over , Breast Neoplasms/pathology , Female , Follow-Up Studies , Humans , Middle Aged , Neoplasm Metastasis , Neoplasm Staging
12.
Ann Oncol ; 19(11): 1947-54, 2008 Nov.
Article in English | MEDLINE | ID: mdl-18556665

ABSTRACT

BACKGROUND: Advance directives, acceleration of death, euthanasia and 'life-sustaining treatment' have sparked much heated debate among the media, the public, doctors and political leaders. We evaluate the personal opinions of Italian Association of Medical Oncology (AIOM) members. PATIENTS AND METHODS: A 30-item questionnaire was developed and delivered to all 1,832 AIOM members. RESULTS: Six-hundred and eighty-five (37%) oncologists completed and returned the questionnaires. Sixty-three per cent felt culturally and psychologically prepared to face these issues. Fifty-four per cent believed that what had been decided while the patient enjoyed good health is no longer applicable in an advanced state of terminal illness. Thirty-nine per cent believed that doctors should abide by these directives, while 49% believed that this should be discussed on a case-by-case basis. Fourteen per cent of oncologists were favourable towards euthanasia and 42% only in particular circumstances. Fifty-six per cent had received at least one request for accelerating death: 15% consented, 50% discussed it with the patient and 31% refused. CONCLUSION: Advance directives, euthanasia, accelerated death and life-sustaining treatment represent considerable challenges for Italian oncologists. Although prepared to face these issues, AIOM members ask for a debate within the medical world and for a shared judicial regulation.


Subject(s)
Attitude of Health Personnel , Attitude to Death , Euthanasia , Medical Oncology/ethics , Withholding Treatment , Adult , Aged , Female , Humans , Italy , Male , Middle Aged , Surveys and Questionnaires
14.
Int J Biol Markers ; 22(1 Suppl 4): S40-6, 2007.
Article in English | MEDLINE | ID: mdl-17520580

ABSTRACT

Cetuximab is a chimeric immunoglobulin G1 monoclonal antibody that targets the extracellular domain of the epidermal growth factor receptor (EGFR) with high specificity and affinity. It competitively inhibits endogenous ligand binding and thereby inhibits subsequent EGFR activation. The EGFR signaling pathways regulate cell differentiation, proliferation, migration, angiogenesis and apoptosis, all of which become deregulated in cancer cells. EGFR is an important target for cancer therapy and many studies have demonstrated that cetuximab is active in several types of cancer, particularly colorectal and head and neck cancer. Cetuximab enhances the effects of many standard cytotoxic agents, including irinotecan, and in combination with chemotherapy it can elicit antitumor responses in tumors that previously failed to respond to that chemotherapy. Cetuximab also enhances radiation-induced apoptosis. On the basis of a pivotal European randomized study (the BOND study) and of 2 clinical studies conducted in the USA, cetuximab has been approved in combination with irinotecan for patients affected by EGFR-expressing metastatic colon cancer after failure with irinotecan. There have only been a few small phase II trials on first-line treatment in metastatic colorectal cancer, but the results suggest promising activity of cetuximab together with irinotecan or oxaliplatin. There is some evidence that additive efficacy can be achieved using EGFR inhibitors in combination with vascular endothelial growth factor receptor inhibitors such as bevacizumab. A correlation between response and the main toxicity (acne-like skin reaction) has been observed but is unclear. EGFR status as a specific marker for EGFR inhibitors is controversial. At the moment, EGFR expression does not appear to be a predictive factor for response to EGFR inhibitors.


Subject(s)
Antibodies, Monoclonal/therapeutic use , Colorectal Neoplasms/drug therapy , ErbB Receptors/antagonists & inhibitors , Animals , Antibodies, Monoclonal/adverse effects , Antibodies, Monoclonal, Humanized , Bevacizumab , Biomarkers, Tumor/analysis , Camptothecin/analogs & derivatives , Camptothecin/therapeutic use , Cetuximab , Drug Resistance, Neoplasm/drug effects , ErbB Receptors/analysis , Humans , Immunohistochemistry , Irinotecan
15.
Int J Biol Markers ; 22(4): 40-46, 2007.
Article in English | MEDLINE | ID: mdl-28207113

ABSTRACT

Cetuximab is a chimeric immunoglobulin G1 monoclonal antibody that targets the extracellular domain of the epidermal growth factor receptor (EGFR) with high specificity and affinity. It competitively inhibits endogenous ligand binding and thereby inhibits subsequent EGFR activation. The EGFR signaling pathways regulate cell differentiation, proliferation, migration, angiogenesis and apoptosis, all of which become deregulated in cancer cells. EGFR is an important target for cancer therapy and many studies have demonstrated that cetuximab is active in several types of cancer, particularly colorectal and head and neck cancer. Cetuximab enhances the effects of many standard cytotoxic agents, including irinotecan, and in combination with chemotherapy it can elicit antitumor responses in tumors that previously failed to respond to that chemotherapy. Cetuximab also enhances radiation-induced apoptosis. On the basis of a pivotal European randomized study (the BOND study) and of 2 clinical studies conducted in the USA, cetuximab has been approved in combination with irinotecan for patients affected by EGFR-expressing metastatic colon cancer after failure with irinotecan. There have only been a few small phase II trials on first-line treatment in metastatic colorectal cancer, but the results suggest promising activity of cetuximab together with irinotecan or oxaliplatin. There is some evidence that additive efficacy can be achieved using EGFR inhibitors in combination with vascular endothelial growth factor receptor inhibitors such as bevacizumab. A correlation between response and the main toxicity (acne-like skin reaction) has been observed but is unclear. EGFR status as a specific marker for EGFR inhibitors is controversial. At the moment, EGFR expression does not appear to be a predictive factor for response to EGFR inhibitors.

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