Toremifene: Uses, Interactions, Mechanism of Action DrugBank Online

One study found that toremifene significantly decreased LDL cholesterol (bad cholesterol) and increased HDL-C (good cholesterol) levels [4]. Additionally, a comparative study was designed to investigate the effects of tamoxifen and toremifene on bone biochemistry and bone mineral density in postmenopausal women. Participants were randomized to receive either 20mg of tamoxifen or 40mg of toremifene for a year. The study concluded that tamoxifen significantly increases bone mineral density. Interestingly, toremifene did not exhibit a similar influence on bone mineral density in postmenopausal women [3].

  • If you become pregnant or think you may be pregnant, inform your doctor right away.
  • Unlike chemotherapy, Fareston does not actually destroy cancer cells.
  • Approximately 4% of patients were withdrawn for toxicity from the high-dose FARESTON treatment arms.
  • Toremifene has been shown to prolong the QTc interval in a dose-related manner [see BOX WARNING, WARNINGS AND PRECAUTIONS, and CLINICAL PHARMACOLOGY].

Approximately 4% of patients were withdrawn for toxicity from the high-dose FARESTON treatment arms. Three prospective, randomized, controlled clinical studies (North American, Eastern European, and Nordic) were conducted. The North American and Eastern European studies also included high-dose toremifene arms of 200 and 240 mg daily, respectively [see Clinical Studies].

Fortunately, Fareston is far more cholesterol friendly making it a great gynecomastia option in many cases. As for water retention, this can often be controlled by steroid doses and through diet, but Toremifene Citrate can have a positive impact. If water retention gets out of hand, you will need an AI, and if that is the case you will need to put extra effort into controlling your cholesterol.

In a study of 18 healthy subjects, 80 mg toremifene once daily coadministered with 200 mg of ketoconazole twice daily increased the toremifene Cmax and AUC by 1.4- and 2.9-fold, respectively. N-demethyltoremifene Cmax and AUC were reduced by 56% and 20%, respectively. The following adverse reactions were identified during post approval use of FARESTON.

Tumor flare does not imply failure of treatment or represent tumor progression. If hypercalcemia occurs, appropriate measures should be instituted and, if hypercalcemia is severe, FARESTON treatment should be discontinued. The effect of 20 mg, 80 mg, and 300 mg of toremifene on QT interval was evaluated in a double-blind, randomized study in healthy male subjects aged 18 to 45 years. The selective estrogen receptor modulator (SERM) toremifene has been thoroughly studied. Here we provide an overview of the research conducted on Toremifene, highlighting its use in breast cancer treatment, its potential applications in other conditions, and emerging areas of investigation. Toremifene is a synthetic derivative of tamoxifen and exhibits a similar mechanism of action.

Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective. Fareston is also used for the purpose of Post Cycle Therapy (PCT). The PCT period is a recovery plan used by anabolic steroid users once all steroid use has been discontinued. Such a plan is designed to increase natural testosterone production that has been suppressed due to the use of anabolic steroids.


It shows antagonist action at estrogen receptors in breast tissues. It competes with estrogen and reversibly binds to the receptor, thus preventing ER from activating estrogen-response element on DNA. This, in turn, suppresses the proliferation of breast cancer cells. On the contrary, it exhibits agonism and mimics the action of endogenous estrogen in bone tissues, thus preventing bone resorption. Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions.

Where to Buy Toremifene Online in 2022?

Your risk may be higher if you also use certain other medicines for infections, asthma, heart problems, high blood pressure, depression, mental illness, cancer, malaria, or HIV. Toremifene is for use only in women who can no longer get pregnant. Before taking toremifene, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.

Report Problems to the Food and Drug Administration

Fareston is a fantastic SERM for this purpose; however, it’s not always enough. Many men will need stronger protection, and stronger protection comes in the form of Aromatase Inhibitors (AI’s). AI’s function by inhibiting aromatase and lowering the body’s total estrogen levels; however, they can also have a strong negative impact on cholesterol.

All patients should have baseline and annual gynecological examinations. In particular, patients at high risk of endometrial cancer should be closely monitored. Toremifene should be avoided in patients with long QT syndrome. Caution should be exercised in patients with congestive heart failure, hepatic impairment and electrolyte abnormalities.