2014
DOI: 10.1176/appi.ajp.2013.13050650
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Antipsychotic Treatment in Breast Cancer Patients

Abstract: Special consideration is required when prescribing antipsychotic drugs for patients with an existing diagnosis of breast cancer. The package inserts of all approved antipsychotics contain precautions regarding their administration in this patient group. These drugs are well known to elevate serum prolactin levels to varying degrees. Overexpression of the prolactin receptor is seen in more than 95% of human breast cancers. Many genes that are activated by the prolactin receptor are associated with tumorigenesis… Show more

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Cited by 32 publications
(48 citation statements)
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“…For example, it has been shown in vitro that (prolactin‐elevating) phenothiazines may enhance the effect of tamoxifen, a first‐line adjuvant treatment for breast cancer patients, in human breast cancer cells . Thus, to date, no robust evidence exists for an increased risk of breast cancer due to antipsychotic‐induced hyperprolactinemia .…”
Section: Neoplasmsmentioning
confidence: 99%
“…For example, it has been shown in vitro that (prolactin‐elevating) phenothiazines may enhance the effect of tamoxifen, a first‐line adjuvant treatment for breast cancer patients, in human breast cancer cells . Thus, to date, no robust evidence exists for an increased risk of breast cancer due to antipsychotic‐induced hyperprolactinemia .…”
Section: Neoplasmsmentioning
confidence: 99%
“…It was considered that because patients with breast cancer had prolactin receptor overexpression, antipsychotics could trigger the activation of prolactin receptor, leading to tumorgenesis and proliferation of cancer cells in some patients (118). According to a case-controlled study conducted on the basis of the hypothesis that breast cancer could develop due to the use of antidepressants, it was found that SSRI and other antidepressants did not increase the risk of breast cancer; nevertheless, such risk might scale up due to use of tricyclic antidepressants for more than 2 years (119). A similar study concluded that exposure to tricyclic antidepressants at higher doses for more than 10 years would partly escalate the risk of getting breast cancer (120).…”
Section: Impacts Of Psychopharmacologic Drugs On Breast Cancermentioning
confidence: 99%
“…The aetiology of breast cancer is complicated with many contributing aspects, including a number of endocrine factors [2]. Prolactin, a hormone essential to growth and differentiation of mammary gland cells [3][4][5][6][7], is likely to play a role in the aetiology of breast cancer, although this is somewhat controversial and incompletely understood [3,[7][8][9][10]. Upon binding of the ligand, the prolactin receptor initiates various downstream pathways that improve differentiation, proliferation and survival of epithelial cells of mammary glands [11,12].…”
Section: Introductionmentioning
confidence: 99%