Tamoxifen dose for breast cancer

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  1. marenda Well-Known Member

    Tamoxifen dose for breast cancer


    Of tamoxifen—5 mg/d, given for 3 years rather than 5 years—halved the risk of breast cancer recurrence or new lesions over placebo in women with breast intraepithelial neoplasia, without producing the usual toxicities seen with the standard dose, Italian researchers reported at the 2018 San Antonio Breast Cancer Symposium. “We believe our results have external validity and—given their pragmatic nature and the easy accessibility of tamoxifen—are generalizable,” said Andrea De Censi, MD, of the National Hospital E. Ospedali Galliera–Division of Medical Oncology in Genoa, Italy. “Tamoxifen, 5 mg a day (splitting the tablet) or 10 mg every other day, is applicable in clinical practice tomorrow.” Breast cancer experts at the meeting said this is news they can use. “Looking at these data, I would definitely give lower doses of tamoxifen, especially in patients with atypical ductal hyperplasia and lobular carcinoma in situ,” said Virginia G. Kaklamani, MD, Professor of Medicine at The University of Texas at San Antonio and leader of the Breast Cancer Program at The University of Texas MD Anderson Cancer Center, Houston. “This information tells me I can perhaps cut back on the dose for patients who are not tolerating tamoxifen. This would help me keep them on the dose, rather than have them abandon therapy,” said John Cole, MD, of the Ochsner Health System in New Orleans. 6, 2018 (Health Day News) -- Tamoxifen is considered a vital weapon in the fight against breast cancer, but many women who have to take the drug struggle with its significant side effects. The side effect rate for the low-dose therapy was significantly less than what previous research has shown with the standard 20 milligram (mg) dose of tamoxifen, he noted. Now, new research shows that a lower dose of the hormone therapy helped prevent breast cancer from returning and guarded against new cancers in women who had high-risk breast tissue. In addition, the risk of serious side effects, such as blood clots and endometrial cancer, were similar to that of the placebo, and less than what typically occurs with the 20 mg dose, De Censi said. On top of that, the lower dose -- just 5 milligrams daily -- came with fewer troubling side effects."Low-dose tamoxifen is as effective as the standard dose," said study author Dr. He is director of the medical oncology unit at the National Hospital E. Hormone therapy for breast cancer interferes with the growth of cancer cells in a few ways. De Censi said the rate of side effects -- such as hot flashes, vaginal dryness, pain during intercourse and muscle pain -- was similar to the rate that occurred with a placebo pill. One is by blocking the body from producing certain hormones. Another is by disrupting the effects of certain hormones on cancer cells, according to the American Cancer Society. In the case of tamoxifen, it works by binding to estrogen-receptors.

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    Tamoxifen is used to treat breast cancer that has spread to other parts of the body in men and women. It is used to treat early breast cancer in women who have. AT THE SAN ANTONIO Breast Cancer Symposium, several breast cancer experts interviewed by The ASCO Post noted that the approved dose of tamoxifen was arbitrarily set, and the optimal dose is actually unknown. Studies of lower-dose tamoxifen, therefore, are welcomed. To investigate the efficacy of low-dose tamoxifen for the prevention of breast cancer, it will be necessary to demonstrate an effect on normal or premalignant breast tissue. Studies of 10 mg/day of tamoxifen compared with 20 mg/day or placebo demonstrated that both doses of tamoxifen were equally effective at reducing normal breast cell.

    However, the toxicities of tamoxifen such as thromboembolic events and endometrial cancers still pose a clinically significant problem. To reduce the risk of these adverse events, effective, yet safe drugs are being sought that could replace tamoxifen. Indeed, new endocrine agents such as selective ER modulators (SERMs) and aromatase inhibitors are being evaluated as alternatives to tamoxifen for the treatment propose a different strategy to reduce the side effects of tamoxifen. They suggest that, by using a lower dose of tamoxifen, it may be possible to reduce tamoxifen’s side effects while retaining its therapeutic and preventive efficacy. To investigate the biologic effect of low doses of tamoxifen, Decensi et al. measured biomarkers associated with breast cancer, cardiovascular disease, and bone fracture risk. They conducted a randomized, double-blind, three-arm study to investigate the ability of different doses of tamoxifen (1 mg/day, 5 mg/day, or 20 mg/day) to modulate these biomarkers in women with ER-positive breast cancer. For many people living with life-limiting and life-threatening diseases like cancer, medical cannabis has long been hailed as a gift, both for symptom control and for its potential to limit the disease process itself. N., a Hospice and Oncology Nurse who is a fierce patient advocate with a passion for investigating and educating about the evidence surrounding cannabis and cancer, recently broke down some of the most recent evidence and issues in a recent interview. But especially in the case of breast cancer—or, more accurately, breast cancers—the therapeutic potential of cannabis also comes laden with the potential for harm, and, like all medications, patients need to understand that powerful drugs can create unanticipated interactions with other powerful drugs. “New and emerging research from the past several years reveals that tamoxifen, and other Selective Estrogen Receptor Modulators, or SERMS, bind not only to estrogen receptors. They also bind with high affinity to one or both cannabinoid receptors, for CB1 and CB2,” said Wohlschlagel. “Tamoxifen apparently binds to both receptors, as what is called an ‘inverse agonist.’ The possible effects caused by that binding are just beginning to be explored.’” Unlike most forms of cancer, “breast cancer” is actually a blanket term rather than a single diagnosis. It covers several distinct types of cancer that are further distinguished by diagnostic laboratory tests. The specific diagnosis drives individual considerations among patients and their medical teams regarding which treatments are most likely to produce the optimal outcomes for each patient. Tamoxifen is the oldest and most widely used of a class of drugs called Selective Estrogen Receptor Modulators (SERMS).

    Tamoxifen dose for breast cancer

    Tamoxifen Uses, Dosage, Side Effects -, Low-Dose Tamoxifen in Women With Preinvasive Breast Lesions - The ASCO Post

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  7. Tamoxifen is a drug taken orally in pill form. For over a quarter of a century, physicians have prescribed tamoxifen to help treat patients with advanced breast cancer.

    • Basic Information On Tamoxifen Breast Cancer.
    • Is Low-Dose Tamoxifen Useful for the Treatment and Prevention of Breast..
    • Tamoxifen - Wikipedia.

    The low-dose tamoxifen arm had invasive breast cancer and 11 had breast intraepithelial neoplasia. In the placebo arm, 10 had invasive breast cancer and 18 had breast intraepithelial neoplasia. There were 12 serious adverse events among the patients in the low-dose tamoxifen arm and 16 among those in the placebo arm. Metastatic breast cancer, also referred to as metastases, advanced breast cancer, secondary tumours, secondaries or stage 4 breast cancer, is a stage of breast cancer. Women with DCIS and women at high risk for breast cancer. Serious and life-threatening events associated with tamoxifen in the risk reduction setting women at high risk for cancer and women with DCIS include uterine malignancies, stroke and pulmonary embolism

     
  8. -John- New Member

    Amoxicillin is a penicillin antibiotic used to treat bacterial infections, including bronchitis, pneumonia, and infections of the ear, nose, throat, skin, and urinary tract. Though it can be highly effective in treating bacterial infections, it also comes with a list of potential side effects even in those who aren’t allergic to it. Allergies aren’t always the reason for a negative reaction to a drug. Though it may seem like an allergic reaction, it is really a nonallergic adverse reaction. The most common causes of nonallergic adverse reactions are anticonvulsants, aspirin and NSAIDS, vaccines, diabetes meds, and chemotherapeutic agents. Mild allergic reactions include skin rash, itching, and hives. Mild allergic reactions aren’t too worrisome on their own but should be observed in case symptoms worsen. Mild symptoms can be treated with antihistamines and hydrocortisone. Augmentin Amoxicillin & Clauvulanate - Side Effects. Common Side Effects of Augmentin Amoxicillin Clavulanate. Amoxicillin and clavulanate - AboutKidsHealth
     
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