Tamoxifen

This page contains recent news articles, when available, and an overview of Tamoxifen but does not offer medical advice. You should contact your physician with regard to any health issues or concerns.


Overview:

Tamoxifen
(when available)

Pharmacology and use:
Tamoxifen belongs to a class of drugs called selective estrogen receptor modulators (SERMs), which have both estrogenic and antiestrogenic effects. Tamoxifen has the same nucleus as diethylstilbestrol but possesses an additional side chain (trans isomer) which accounts for its antiestrogenic activity. Tamoxifen, chemically related to clomiphene., is used to in the therapy of metastatic breast cancer. for the treatment of breast cancer

Mechanism Of Action:
Tamoxifen binds to estrogen receptors (ER), inducing a conformational change in the receptor. This results in a blockage or change in the expression of estrogen dependent genes. The prolonged binding of tamoxifen to the nuclear chromatin of these results in reduced DNA polymerase activity, impaired thymidine utilization, blockade of estradiol uptake, and decreased estrogen response. It is likely that tamoxifen interacts with other coactivators or corepressors in the tissue and binds with different estrogen receptors, ER-alpha or ER-beta, producing both estrogenic and antiestrogenic effects.

News Articles on Tamoxifen

Pre-existing conditions often preclude insurance coverage  -  14 Nov 2009
The serious medication is Tamoxifen, which she takes to help prevent the cancer from returning. "They put me back in a healthy mode, and now they're kicking ... Contra Costa Times

Where to buy colchicine online? top offers for colchicine, Alway  -  14 Nov 2009
...asymptomatic finger suggests that great anticoagulant should walk tamoxifen in sizes on mortality vaccines and allopurinol instead in the dryness of ... iFun.de (Blog)

Anti-cancer drugs often ignored  -  ‎Nov 13, 2009‎
The same with tamoxifen, an estrogen-blocker. Tamoxifen's side effects include temporary hot flashes and an increased risk of blood clots but it has been ... United Press International

Drugs to deter cancer largely ignored, experts say  -  ‎Nov 12, 2009‎
Dr. Victor Vogel was an investigator at MD Anderson Cancer Center in Houston in a huge study of 13000 women involving the drug tamoxifen. ... Austin American-Statesman

Generic Name: Tamoxifen, Istubal, Valodex, Soltamox, Genox, Tamofen  -  ‎Nov 11, 2009‎
Nolvadex (generic name: Tamoxifen; brand names: Istubal / Valodex / Soltamox / Genox / Tamofen) belongs to a group of medicines known as non-steroidal ... Pattaya Daily News

I am woman, I am invincible  -  ‎Nov 12, 2009‎
I continued very well on Tamoxifen tablets for five years. In 2000 I was was diagnosed with endometrial cancer - very early stage. ... Ararat Advertiser

Jordan Rethinks Hormone's Role in Breast Cancer  -  ‎Oct 20, 2009‎
Jordan, scientific director and vice chair of the oncology department at the Lombardi Comprehensive Cancer Center, has been dubbed the “father of tamoxifen ... Georgetown University News, Calendars & Events

Mattishall mums raise cash to fight breast cancer  -  ‎Oct 30, 2009‎
Although she did not have to have chemotherapy or radiotherapy Mrs Trewhella had immediate reconstructive surgery and will have to take the drug Tamoxifen ... Dereham Times

Yes, men do get breast cancer  -  ‎Nov 3, 2009‎
Broderick must take tamoxifen for five years. Tamoxifen is a drug that interferes with the activity of the hormone estrogen, and has been used to treat ... Dubuque Telegraph Herald

Researchers urge redo on breast cancer screening  -  ‎Oct 22, 2009‎
For example, the estrogen-blocking drug tamoxifen is commonly used to treat breast cancer, but researchers recently found that tamoxifen increases the risk ... Examiner.com

The Best Medications For Your Genes  -  ‎Oct 27, 2009‎
Tamoxifen, the much-heralded cancer-fighting drug, has been shown to have little benefit for 7% to 10% of patients taking it. In the past, we would have ... Forbes

On the Road to the Cure: Innovation and Signature Treatments at Georgetown ...  -  ‎Nov 10, 2009‎
...is widely regarded as the “father� of tamoxifen, having done the seminal work identifying this first ever treatment for breast cancer. ... Business Wire (press release)

How People Learned About Cholesterol  -  ‎Nov 12, 2009‎
There are two drugs that can reduce breast cancer risk, tamoxifen and raloxifene, and are approved by the Food and Drug Administration for the purpose. ... New York Times

Cleveland on 'front lines' of breast cancer treatment  -  ‎Oct 30, 2009‎
Hormone-based therapies, like Tamoxifen, block the estrogen receptor and can be effective, not only in treatment but in shrinking tumors before surgery and ... MedCity News

October 2009 Mayo Clinic Women's HealthSource Highlights Ductal Carcinoma In ...  -  ‎Oct 23, 2009‎
Tamoxifen therapy: Tamoxifen is a synthetic hormone that can be used to help treat or prevent the development of breast cancers. It's approved as therapy ... Reuters

Breast-cancer patients get $17.5-million settlement  -  ‎Oct 30, 2009‎
If so, drugs like Tamoxifen and Anastrozole can be given to block these hormones. At least 425 patients received incorrect test results between 1997 and ... Globe and Mail

STUDY CONFIRMS AN OPTIMAL  -  ‎Oct 29, 2009‎
Study Confirms An Optimal Breast Cancer Treatment Approach Vs. Tamoxifen After Surgery In Hormone Receptor-Positive Postmenopausal Early Breast Cancer ... North American Press Syndicate

November 2009 Mayo Clinic Women's healthsource Highlights Reducing Cancer Risk ...  -  ‎Nov 12, 2009‎
Tamoxifen, prescribed to prevent breast cancer in high-risk women, is the best known chemoprevention agent. A caution: chemoprevention drugs can have ... PR Newswire (press release)

Serum estradiol should be monitored not only during the peri-menopausal period ...  -  ‎Nov 13, 2009‎
...reported that ovarian function was restored when AI was administered to patients who had undergone chemical menopause with chemotherapy or tamoxifen. ... 7thSpace Interactive (press release)

Susan G. Komen for the Cure Announces Recipients of 2009 Komen Brinker Award ...  -  ‎Oct 27, 2009‎
Katzenellenbogen and Greene are being honored for their pivotal laboratory work that led to a better understanding of how drugs like tamoxifen and ... Reuters

Breast Cancer Lawsuit Alleged Needless Suffering, Death  -  ‎Nov 1, 2009‎
...tumors are being strengthened by estrogen and progesterone can be treated with anti-estrogen prescription drugs, such as Tamoxifen and Anastrozole. ... Consumer Affairs

Quandary With Mammograms: Get a Screening, or Just Skip It?  -  ‎Nov 2, 2009‎
Also, she said, women should try to get a sense of their own risk, and if it is high, talk to a doctor about taking tamoxifen or raloxifene, drugs that can ... New York Times

One-Third of Breast Cancers Change When They Travel  -  ‎Nov 9, 2009‎
For instance, ER-positive cancers won't respond to cancer-drug tamoxifen, but ER-negative ones will, while ER-negative tumors don't usually respond to ... DOTmed.com (press release)

Breast Cancer Patients Have Options, Yet Many Are Not Being Informed  -  ‎Oct 24, 2009‎
Five hundred thousand women in the US are taking tamoxifen to prevent breast cancer recurrence. Almost half of them have a gene variation that reduces the ... PR-USA.net (press release)

When Pink Becomes Too Personal a Color  -  ‎Oct 29, 2009‎
Will my anxieties be triggered by the Tamoxifen pill I will be taking each day for the next five years? Will it be a reminder of my diagnosis and increased ... Jewish Exponent

It will take more than ribbons, 'awareness' to beat cancer  -  ‎Oct 20, 2009‎
...treatment centers, pharmacies and testing labs, and it manufactures the top-selling breast cancer drug tamoxifen, which brings in $573 million per year. ... The Reflector online

Medical pros discuss cancer at symposium  -  ‎Nov 9, 2009‎
...as well as an in-depth look at Tamoxifen, a hormone therapy that has been on the market for a number of years and that has traditionally worked well in ... Fort Morgan Times

Laboratory Corp. of America Holdings Q3 2009 Earnings Call Transcript  -  ‎Oct 22, 2009‎
Two years ago we announced a strategic alliance with Medco Health Solutions to perform a collaborative research effort related to Tamoxifen. ... Seeking Alpha (blog)

Resilient woman conquers cancer  -  ‎Oct 26, 2009‎
Instead, Novack will take Tamoxifen for the next five years. Taxoxifen blocks estrogen, and is often used because most tumors feed off estrogen, she said. ... Wicked Local Waltham

Cytogen Corporation - SWOT Analysis - Aarkstore Enterprise  -  ‎Nov 10, 2009‎
The company currently markets Quadramet (samarium Sm-153 lexidronam injection), Prostascint (capromab pendetide), and Soltamox (tamoxifen citrate) to the US ... PRMinds (press release)

Knapper: A survivor's tale of courage, prevention  -  ‎Oct 23, 2009‎
She was using Tamoxifen, a hormone-blocking drug she was intended to be on for five years. "There is some link with breast cancer and ovarian cancer, ... Wahpeton Daily News

Medco Health Solutions, Inc., Q3 2009 Earnings Call Transcript  -  ‎Nov 3, 2009‎
This is evidenced by our published Plavix PPI study covering 17000 patients, our recently presented tamoxifen and 2D6 enzyme inhibitor study at ASCO, ... Seeking Alpha (blog)

Get Your Dirty, Sexy Plastic Off My Food and Water!  -  ‎Nov 5, 2009‎
Bisphenol A (BPA) is a man-made hormone that acts like estrogen, binding to the same receptors that Tamoxifen or natural estrogen would target in your body. ... About - News & Issues (blog)

Chemotherapy's link to hearing loss found  -  ‎Nov 8, 2009‎
One recent example is the breast cancer drug tamoxifen: A test can predict whether it will do little or nothing for some patients due to their genetic ... Globe and Mail

As genetic testing races ahead, doctors are left behind  -  ‎Oct 24, 2009‎
A test can help predict if breast cancer patients will respond to the drug tamoxifen. And cancer drugs in the development pipeline are expected ... Los Angeles Times

Risk assessment program laid foundation of awareness  -  ‎Oct 30, 2009‎
For five years after initial treatment, she took Tamoxifen to help prevent reoccurrence. It's now 12 years since the onset her cancer and, although now ... phillyBurbs.com

Kansas race car driver fights off cancer  -  ‎Nov 7, 2009‎
Shortly after her diagnosis, Spencer began taking Tamoxifen, a hormone-blocker used to treat breast cancer. She will continue taking the medication until ... R & D Magazine

Genetic testing could prevent breast tragedy  -  ‎Nov 4, 2009‎
..."When genetic testing determines a woman is at high risk for breast cancer, she has options including risk-reduction medications such as Tamoxifen or ... Pocono Record

I'm 27 and about to have a double mastectomy  -  ‎Oct 19, 2009‎
The treatment involves tamoxifen or raloxifene, estrogen blockers that cause temporary, reversible menopause, complete with reduced sexual drive and hot ... msnbc.com

CancerGen's First Comparative Effectiveness Trial to Study Oncotype DX in Node ...  -  ‎Oct 20, 2009‎
...of Genomic Health's Oncotype DX test to determine which node-positive breast cancer patients will benefit from a tamoxifen-based chemotherapy regimen. ... GenomeWeb Daily News

Wanted: Prozac Gene!  -  ‎Nov 7, 2009‎
In their case, medications such as Herceptin and Tamoxifen are recommended as treatments only after the patients underwent genetic testing and proved that ... TopCancerNews.com

PD 0332991, a selective cyclin D kinase 4/6 inhibitor, preferentially inhibits ...  -  ‎Oct 29, 2009‎
PD 0332991 was synergistic with tamoxifen and trastuzumab in ER+ and HER2 amplified cell lines, respectively. PD 0332991 enhanced sensitivity to tamoxifen ... 7thSpace Interactive (press release)

Two-fifths of breast cancers 'change form' when they spread  -  ‎Nov 6, 2009‎
In other cases, the tumours had changed from ER positive to ER negative, meaning that hormone therapies such as tamoxifen would no longer be beneficial. ... Cancer Research UK

Virtually scarless breast reconstruction  -  ‎Nov 3, 2009‎
I found out basically that my 3 options were to be closely monitored, take tamoxifen, or to have reconstructive double mastectomy. ... WPTV

Bionovo Announces Third Quarter 2009 Highlights and Financial Results  -  ‎Nov 5, 2009‎
Bionovo published the results of its study on the inhibitory effect of tamoxifen on estrogen receptor beta (ERb) gene regulation in the peer-reviewed ... Reuters

The Best Medications For Your Genes  -  ‎Oct 28, 2009‎
...beer, having a good time etc. by L4t3r4lu5 (1216702) on Wednesday October 28, @06:27AM (#29894749) by tomhudson (43916) Tamoxifen has been used since at ... Slashdot

Celera Corporation Reports Third Quarter 2009 Results  -  ‎Oct 29, 2009‎
...signature as well as a composite score including both factors for stratification of metastatic risk in tamoxifen-treated women with breast cancer. ... PharmaLive.com (press release)

National Survey by American Medical Association and Medco Shows Physicians See ...  -  ‎Oct 23, 2009‎
Genetic testing is also important for breast cancer patients on tamoxifen since about 10 percent of those women won't respond well to the medication because ... Reuters

Targeted treatment  -  ‎Oct 25, 2009‎
Doctors can give tamoxifen, according to Hussein, to block tumors from developing, therefore targeting the cancer and giving a patient personalized ... Villages Daily Sun

National osteoporosis day, a day of awareness  -  ‎Oct 20, 2009‎
These include Evista, Tamoxifen and various estrogen and testosterone hormone supplements. All of the above drugs serve in one way or another to block the ... Post Searchlight

Raloxifene or tamoxifen: Which is the right drug for you?  -  Apr 17, 2006
By Rita Rubin, USA TODAY. As many as 9 million postmenopausal US women might be at an increased risk of breast cancer, scientists say. ... USA Today

Femara May Be Better Than Tamoxifen  -  Dec 28, 2005
By Daniel J. DeNoon. A large 27-nation clinical trial shows that postmenopausal women with estrogen-receptor-positive breast cancer are less likely to get ... FOXNews

Femara Beats Tamoxifen for Breast Cancer  -  May 16, 2005
By Charlene Laino. Menopausal women with early breast cancer fare better if they are treated with Femara than if they are given the standard hormone therapy ... FOXNews

Tamoxifen May Not Lengthen Life for Most Breast Cancer Patients  -  Jul 24, 2006
Most women with an elevated risk for breast cancer will not live longer if they take the cancer prevention drug tamoxifen, a new study shows. ... FOXNews

Scientists Unravel Mystery of Tamoxifen Resistance  -  Nov 11, 2008
A battle between proteins to turn a breast cancer gene off or on determines if tamoxifen works or not, the scientists report. The finding could be used to ... Forbes

Newer Drugs Beat Tamoxifen for Breast Cancer Survival  -  Feb 12, 2007
By Alan Mozes. MONDAY, Feb. 12 (HealthDay News) -- Postmenopausal breast cancer patients who switch from tamoxifen therapy to another type of drug, ... Washington Post

Research Reveals Why Tamoxifen Doesn't Always Work  -  Oct 30, 2008
THURSDAY, Oct. 30 (HealthDay News) -- Scientists have uncovered new clues to how breast cancer cells become resistant to the widely-used prevention and ... Washington Post

Many women stop taking tamoxifen too soon  -  Jan 22, 2007
NEW YORK (Reuters Health) - About one third of women with breast cancer who are prescribed tamoxifen stop taking the drug well before the end of the ... Reuters

Breast Cancer Drug Femara Beats Tamoxifen  -  Jan 27, 2005
Postmenopausal (search) women with early breast cancer have fewer recurrences after surgery when they take Femara (search) instead of tamoxifen (search), ... FOXNews

Tamoxifen Helps Treat Bipolar Disorder  -  Sep 12, 2007
By Kathleen Doheny. WEDNESDAY, Sept. 12 (HealthDay News) -- The breast cancer drug tamoxifen helps control the manic phase of bipolar disorder, ... Washington Post

Letrozole beats tamoxifen for breast cancer  -  Dec 11, 2008
By Jill Stein. SAN ANTONIO (Reuters Health) - Letrozole is more effective than tamoxifen as an initial hormone therapy in postmenopausal women with ... Reuters

Genes, Antidepressants Can Affect Tamoxifen  -  Jan 4, 2005
By Miranda Hitti. Scientists are one step closer to predicting which women will reap the greatest benefit from tamoxifen (search). ... FOXNews

What is Tamoxifen and Can it Prevent or Reduce My Risk of Breast …  -  Oct 1, 2007
Question:What is tamoxifen, and can it prevent or reduce my risk of breast cancer? Dr. Lawrence Wickerham answers the question: 'What is Tamoxifen?' ... ABC News

Aromasin after tamoxifen ups breast cancer survival  -  Dec 18, 2006
By Martha Kerr. NEW YORK (Reuters Health) - After surgery for early-stage breast cancer, women may be treated with tamoxifen for 5 years. ... Reuters

… in Breast Density Indicates Response to Tamoxifen in Women at High...  -  Dec 13, 2008
By Ed Susman. SAN ANTONIO, Tex -- December 13, 2008 -- Women taking tamoxifen who experience a reduction in breast density appear to have a dramatically ... DG News

Tamoxifen gets upstaged  -  May 15, 2005
ORLANDO — Research presented to the American Society of Clinical Oncology over the weekend probably will change the treatment of breast cancer, experts say. ... USA Today

Tamoxifen Protects Certain Women at High Risk for Breast Cancer  -  May 2, 2007
By Amanda Gardner. WEDNESDAY, May 2 (HealthDay News) -- Tamoxifen helps prevent breast cancer in women at high risk for the disease who have also had their ... Washington Post

Research Reveals Why Tamoxifen Doesn't Always Work  -  Oct 29, 2008
THURSDAY, Oct. 30 (HealthDay News) -- Scientists have uncovered new clues to how breast cancer cells become resistant to the widely-used prevention and ... Forbes

Tamoxifen May Reduce Risk of Breast Cancer  -  Nov 15, 2005
...by Joe Palca. Scientists are reporting what they say is the best evidence yet that the drug Tamoxifen can prevent breast cancer. But some researchers say ... NPR

… and Quality of Life During Treatment With Tamoxifen or Raloxifene...  -  Jun 5, 2006
Context Tamoxifen has been approved for breast cancer risk reduction in ... Women in the tamoxifen group reported greater mean symptom severity for ... Journal of American Medical Association - Journal of American Medical Association...

Gene Test Can Indicate Whether Tamoxifen Can Fight Breast Cancer  -  Dec 17, 2007
By AUDREY GRAYSON. A test to determine a woman's genetic makeup may predict whether she is likely to benefit from the commonly prescribed breast cancer drug ... ABC News

… Discovery Shows Promise Against Tamoxifen-Resistant Breast Cancers  -  Jun 16, 2008
By Amanda Gardner. MONDAY, June 16 (HealthDay News) -- Researchers have identified a new group of compounds that might one day be added to the armamentarium ... Washington Post

Many women go off tamoxifen too soon: study  -  Mar 23, 2007
NEW YORK (Reuters Health) - About one third of women with breast cancer who are being treated with tamoxifen stop taking the medication before the end of ... Reuters

Femara After Tamoxifen Can Reduce Breast Cancer Recurrence  -  Sep 8, 2005
By Jennifer Warner. New research backs up earlier reports that the breast cancer drug Femara can reduce the risk of breast cancer recurrence by nearly 50 ... FOXNews

Surprising flip-flop in breast cancer drug study  -  Jun 16, 2006
The study compared the old standby, tamoxifen, to raloxifene, a newer drug so ... Tamoxifen has been used for decades to treat and prevent breast cancer. ... msnbc.com

Pfizer drug fails to beat tamoxifen at 2.75 years  -  Dec 11, 2008
NEW YORK (Reuters) - Pfizer Inc said on Thursday its Aromasin cancer drug was no better than tamoxifen at achieving disease-free survival after 2.75 years ... Reuters

Quality of Life Found Equal With 2 Breast Cancer Drugs  -  Jun 6, 2006
The breast cancer trial, the Study of Tamoxifen and Raloxifene, or STAR, ... Tamoxifen, a generic drug, is already approved for reducing the risk of breast ... New York Times

New Breast Cancer Drug Plan for Older Women?  -  Aug 5, 2005
All had early, hormone-sensitive breast cancer and had taken tamoxifen for two years. Tamoxifen is an estrogen-blocking drug that has been a cornerstone of ... FOXNews

Chemotherapy Plus Tamoxifen Aids Breast Cancer Patients  -  Apr 3, 2007
TUESDAY, April 3 (HealthDay News) -- Women with early stage breast cancer have higher survival rates when they're treated with both chemotherapy and ... Washington Post

Cardiff research finds Tamoxifen can stimulate cancer  -  Dec 4, 2008
TAKING the anti-cancer drug Tamoxifen could make the disease worse in a small group of patients, Welsh research has found. ... WalesOnline

Will tamoxifen lower my risk of breast cancer?  -  Sep 18, 2006
The medication may benefit some, but Dr. Judith Reichman says to assess your chance of developing the disease before taking the drug ... msnbc.com

Supreme Court won't review tamoxifen case  -  Jun 25, 2007
WASHINGTON (Reuters) - The Supreme Court said on Monday that it would not review a case challenging patent settlements between major drugmakers and their ... Reuters

STAR Study: Raloxifene is as effective as Tamoxifen in reducing...  -  Apr 20, 2006
By NSABP, The Study of Tamoxifen and Raloxifene, or STAR, is a clinical trial designed see how the drug raloxifene compares with the drug tamoxifen in ... RxPG NEWS

New breast cancer drug being put to the test  -  Apr 12, 2005
Attempting to prevent breast cancer has a controversial history, centered on the 40-year-old drug tamoxifen. In 1998, amid much publicity, ... Boston Globe

… of patients on life-saving breast cancer drug Tamoxifen risking...  -  Nov 4, 2008
Half of breast cancer patients prescribed the life-saving drug Tamoxifen are ... Developed over 30 years ago and fully available on the NHS, Tamoxifen can ... Telegraph.co.uk

AstraZeneca: Data shows Arimidex continues to be superior to Tamoxifen...  -  Dec 14, 2007
SAN FRANCISCO (Thomson Financial) - AstraZeneca Plc late Friday said new data shows the continued benefit of Arimidex when compared with tamoxifen in ... Forbes

Breast cancer drug 'a life-saver'  -  Jun 5, 2006
Instead of five years of the drug tamoxifen, the women were switched to Aromasin ... Currently, five years of treatment with tamoxifen is viewed as the ... BBC News

Medco, Laboratory Corp. form research pact on tamoxifen  -  Oct 22, 2007
BOSTON (Thomson Financial) - Medco Health Solutions Inc. and Laboratory Corp. of America Holdings Monday said they have reached a research agreement on ... Forbes

… Switch to Arimidex After Two Years of Tamoxifen Improves Breast...  -  Dec 10, 2005
By Michael Smith,. SAN ANTONIO, Dec. 10 - Postmenopausal women taking tamoxifen as adjuvant breast cancer therapy can improve their chances of a lengthy ... MedPage Today

Tamoxifen Cuts Fracture Risk: Study  -  Oct 10, 2008
By Kathleen Doheny. FRIDAY, Oct. 10 (HealthDay News) -- Tamoxifen, the drug used for more than 30 years to treat breast cancer, reduces the risk of ... Washington Post

Tamoxifen warning label urged - The breast-cancer drug could add...  -  Oct 19, 2006
The breast-cancer drug could add risks for those with a genetic variation, FDA advisers say. Author: Andrew Bridges ASSOCIATED PRESS ... $2.95 - Philadelphia Inquirer - NewsBank

Health News Tamoxifen could prevent cancer  -  Feb 21, 2007
A DRUG used to treat breast cancer could also help provide protection against developing the disease for several years, a worldwide study has found. ... WalesOnline

Myocardial infarction risk and tamoxifen therapy for breast cancer  -  Jan 10, 2005
Tamoxifen prevents recurrence after breast cancer and breast cancer among high-risk women, and may prevent myocardial infarction (MI). ... Nature.com

Aromatase inhibitors better than tamoxifen  -  Dec 16, 2008
SAN ANTONIO, Dec. 16 (UPI) -- Aromatase inhibitors, which lower the amount of estrogen in the body, are more effective in preventing breast cancer than ... United Press International

Health: A Better Option?  -  Apr 24, 2006
That has pretty much been the situation with tamoxifen, an estrogen-like drug that ... The trouble is, tamoxifen also triggers menopausal symptoms like hot ... TIME

High court asks Bush admin. view on tamoxifen case  -  Mar 19, 2007
By Peter Kaplan. WASHINGTON, March 19 (Reuters) - The US Supreme Court asked the Bush administration on Monday to give its opinion on whether the court ... Reuters

Tamoxifen shows no benefit, risk for breast cancer survivors' heart...  -  May 13, 2005
LOS ANGELES (May 12) -Despite previous studies hinting at tamoxifen's potential benefit for breast cancer survivors' heart health, California researchers ... eurekalert.org

Drug Cuts Recurrence Risk in Breast Cancer Patients  -  Mar 11, 2008
The most widely used estrogen-blocking drug is tamoxifen, which was shown to ... Tamoxifen also raises the risk of death from strokes and endometrial cancer. New York Times

Hope for women as anti-cancer drug wins approval  -  May 23, 2006
Campaigners have been calling for the treatment to be fast-tracked for approval after inhibitors were shown to be more effective than tamoxifen, the current ... Times Online

… with early hormone-responsive breast cancer be switched from tamoxi...  -  Oct 5, 2005
For breast cancer adjuvant tamoxifen therapy for a duration of 5 years ... Switching from tamoxifen to anastrozole has been suggested to avoid the side ... Nature.com

Tamoxifen May Affect Women's Eye Health  -  Feb 19, 2007
MONDAY, Feb. 19 (HealthDay News) -- Tamoxifen, a drug commonly prescribed to prevent breast cancer recurrence, may cause swelling within the eyes, ... Washington Post

Evista Can Raise Stroke, Blood Clot Risk  -  Jul 13, 2006
Tamoxifen, which is also a SERM, is approved for breast cancer ... The Study of Tamoxifen and Raloxifene (STAR) trial -- one of the largest breast cancer ... FOXNews

Tamoxifen resistance mechanism  -  Dec 4, 2008
Tamoxifen is commonly used for breast cancer therapy, but a proportion of patients become resistant to the treatment, and their cancer is more likely to ... Nature.com

Anastrazole Benefits Over Tamoxifen Keep Long After Treatment For …  -  Dec 15, 2007
A new study suggests that the superior benefits of anastrazole over tamoxifen already shown in clinical trials are maintained long after treatment is ... Medical News Today - Medical News Today (press release)

Can NHS afford wonder cancer drug?  -  Jun 28, 2005
Like tamoxifen, anastrozole - marketed under the brand name Arimidex - is ... Anastrozole works in a different way from tamoxifen, blocking the action of an ... Daily Mail

Tamoxifen helps bipolar disorder  -  Sep 13, 2007
BETHESDA, Md., Sept. 13 (UPI) -- The drug Tamoxifen dramatically reduces symptoms of the manic phase of bipolar disorder, US researchers have found. ... United Press International

NHS offers breakthrough drugs for breast cancer  -  Aug 11, 2006
Campaigners have been calling for the treatment to be fast-tracked for approval after inhibitors were shown to be more effective than tamoxifen. ... Times Online

Does tamoxifen prophylaxis for breast cancer provide long-term …  -  May 15, 2007
Cuzick J et al. (2007) Long-term results of tamoxifen prophylaxis for breast cancer—96-month follow-up of the randomized IBIS-I trial. ... Nature.com

Chemo, tamoxifen cut second cancer risk  -  Dec 26, 2007
COPENHAGEN, Denmark, Dec. 26 (UPI) -- Breast cancer patients given chemotherapy and tamoxifen have a reduced risk of developing a second cancer in the other ... United Press International

New cause of tamoxifen resistance in breast cancer cells discovered  -  Aug 12, 2007
When a woman receives a breast cancer diagnosis her entire life may change in the blink of an eye. But the nature of that change is governed by the smallest ... Hindu

Hormone therapy fights spread of breast cancer  -  Dec 14, 2008
The Team(Tamoxifen and Exemestane Adjuvant Multicentre) trial compared initial treatment with tamoxifen or exemestane in a group of almost 10000 women with ... Telegraph.co.uk

Survival Advantage for Anastrozole vs Tamoxifen in Breast Cancer  -  Nov 17, 2006
November 17, 2006 — For postmenopausal women with hormone-sensitive early-stage breast cancer, there is a survival benefit in switching to the aromatase ... Medscape

PKA-induced resistance to tamoxifen is associated with an altered …  -  Jul 12, 2007
PKA-mediated phosphorylation of S305 of ER is responsible for RNA polymerase II recruitment on the PRL array and for enhanced transcription of a ... Nature.com

Letrozole more effective against early breast cancer than Tamoxifen  -  Dec 31, 2005
First, it was the US Food and Drug Administration (FDA) approving the efficiency of Letrozole (Femera) as an early breast cancer drug. ... Indian Express

Low Breast Cancer Drug Use May Be Fatal  -  Sep 6, 2007
...(WebMD) Women who fail to take the breast cancer drug tamoxifen as ... Doctors have been using tamoxifen to fight tumor growth in women with breast cancer ... CBS News

Sorting Out Pills to Reduce Breast Cancer Risk  -  May 9, 2006
THE ISSUE: The drug tamoxifen has been shown to reduce breast cancer risk, ... But is it really any better than tamoxifen? Some experts are doubtful. ... New York Times

Astra's Arimidex better tolerated than tamoxifen, long term study...  -  Aug 1, 2006
LONDON (AFX) - Breast cancer drug Arimidex, made by AstraZeneca PLC, is better tolerated and has a better risk-benefit profile than traditional ... Forbes

More breast cancer sufferers may be spared chemotherapy  -  May 18, 2007
It would be used in addition to Tamoxifen, the standard treatment for women under 40. Michael Baum, emeritus professor of surgery at University College ... guardian.co.uk

Few women at risk for breast cancer willing to use tamoxifen  -  Apr 15, 2005
Fewer than one in five women eligible to take tamoxifen were inclined to take the drug after being told of its risks and benefits, according to a new study. ... Medical News Today - Medical News Today (press release)

Breast-Cancer Patients Need Data on Risk of Relapse  -  Oct 18, 2006
Tamoxifen, sold by several generic drugmakers, is often prescribed after diagnosis or ... The FDA approved tamoxifen in 1977, and UK-based AstraZeneca Plc ... Bloomberg

Estrogen predicts breast cancer recurrence: study  -  Mar 6, 2008
Rock said taking anti-estrogen drugs like tamoxifen may not completely wipe ... Tamoxifen transformed breast cancer therapy when it was shown to reduce the ... Reuters UK

Switching to anastrozole after tamoxifen improves survival in …  -  Aug 23, 2007
Kaufmann M et al. (2007) Improved overall survival in postmenopausal women with early breast cancer after anastrozole initiated after treatment with ... Nature.com

Aromatase inhibitors and tamoxifen: where do we go from here?  -  May 4, 2007
Coates AS et al. (2007) Five years of letrozole compared with tamoxifen as initial adjuvant therapy for postmenopausal women with endocrine-responsive early ... Nature.com

Early breast cancer diagnoses up  -  Jan 25, 2006
..."We know from previous research that tamoxifen reduces the risk of invasive breast cancer by over 50% in women with DCIS. "We also believe that anastrozole ... BBC News

Article: Tamoxifen may not have large effect on mortality. - Dallas...  -  Jul 23, 2006
Tamoxifen may not have large effect on mortality. ... find Dallas Morning News (Dallas, TX) articles. Byline: Laura Beil DALLAS _ A new analysis suggests ... Pay-Per-View - Dallas Morning News - HighBeam Research

Another option to prevent breast cancer  -  Sep 15, 2007
After tamoxifen was approved for reducing the risk of breast cancer nearly a ... Tamoxifen is still the drug of choice for women who have not gone through ... Pittsburgh Post-Gazette - Pittsburgh Post Gazette

New drugs for breast cancer sufferers  -  Aug 10, 2006
At present, tamoxifen is prescribed for five years after surgery to ... Femara has also been shown to be more effective than tamoxifen in a number of ... Daily Mail

Evista May Help Prevent Endometrial Cancer  -  May 16, 2005
For high-risk women, tamoxifen is the first and only drug approved for ... But tamoxifen has been associated with an increased risk of endometrial cancer. ... FOXNews

Extended therapy may benefit breast cancer patients  -  Dec 12, 2007
Three years of anastrozole following 5 years of tamoxifen was generally well tolerated and "no unexpected adverse events were reported," Jakesz and ... Reuters India

FDA will weigh Evista's cancer-reducing benefits  -  Jul 22, 2007
Only tamoxifen is approved for trimming breast cancer risk in women who have ... Tamoxifen is "very much underutilized for breast cancer prevention," says ... USA Today

Extended therapy may benefit breast cancer patients  -  Dec 11, 2007
In this study, tamoxifen was given for 5 years as adjuvant therapy, ... The women who took tamoxifen and Arimidex had a 38% lower risk of the breast cancer ... Breastcancer.org

Concurrent Tamoxifen And Radiation Doesn"t Threaten Breast Cancer …  -  Jan 31, 2005
NEW YORK JAN 31, 2005 (Reuters Health) - Tamoxifen administered concurrently with radiation therapy appears to be just as effective and safe in treating ... Cancerpage.com

Cancer drugs: Too toxic?; Side effects of newer lifesaving medications...  -  Jan 29, 2007
Like tamoxifen before them, the drugs, known as aromatase inhibitors, benefit women with ... Tamoxifen works by blocking estrogen receptors on cancer cells, ... Pay-Per-View - Los Angeles Times - ProQuest Archiver

Can tamoxifen therapy be optimized for patients with breast cancer on...  -  Sep 15, 2006
Borges S et al. (2006) Quantitative effect of CYP2D6 genotype and inhibitors on tamoxifen metabolism: implication for optimization of breast cancer ... Nature.com

Further breakthroughs for breast cancer patients  -  Jan 19, 2008
While drugs such as tamoxifen have been a huge success in treating breast cancer, for a significant proportion of sufferers the drugs either fail to work, ... Hindu

New breast cancer pill 'cuts relapse risk'  -  Sep 13, 2005
Switching from tamoxifen to an aromatase inhibitor after two to three years ... Continuing initial treatment with tamoxifen at a cost of eight pence a day ... WalesOnline

Huge drug trial to defeat breast cancer  -  Feb 9, 2007
This has proved promising with tamoxifen, says the charity's Kate Law. “Our first study gave tamoxifen or a placebo for five years to 7000 women with a high ... Times Online

New inhibitors of breast cancer cells identified  -  Jun 17, 2008
He noted that while tamoxifen therapy is effective initially, "in essentially all patients, the tumors eventually become resistant to tamoxifen and resume ... Reuters UK

… and perimenopausal women treated with Tamoxifen: a case–control …  -  Feb 6, 2007
2 The British Tamoxifen Second Cancer Study Group comprises: Anthony J Swerdlow ... As tamoxifen stimulates ovarian steroidogenesis in premenopausal women, ... Nature.com

Surgery, with or without tamoxifen, vs tamoxifen alone for older...  -  Oct 9, 2006
The published literature comparing surgery, with or without adjuvant endocrine therapy, with endocrine therapy alone in older women with operable breast ... Nature.com

Cancer patients 'not taking drug'  -  Nov 5, 2008
..."Tamoxifen is prescribed for five years to offer the best chance of ... "We need to make it clear that taking tamoxifen regularly for the full five years ... BBC News

Better Odds Against Breast Cancer  -  Jun 6, 2005
For two decades the gold standard for adjuvant treatment of hormone-positive tumors has been tamoxifen, which blocks the absorption of estrogen. ... BusinessWeek

Evista Illustrates Drug Risk and Reward  -  Jul 13, 2006
The institute said Evista was equal to tamoxifen in reducing the risk of invasive breast cancer in post-menopausal women, but Evista caused fewer blood ... TheStreet.com - TheStreet.com (subscription)

Hot Flashes Good News for Breast Cancer Survivors  -  Jun 4, 2007
This is exactly what tamoxifen does. The drug's success has made it a routine treatment for many patients after breast cancer surgery to help stop the ... ABC News

Tamoxifen exposure and risk of oesophageal and gastric …  -  Mar 27, 2006
In a population-based cohort study of all women aged over 50 years with breast cancer in the Swedish Cancer Register in 1961–2003, those diagnosed before 31 ... Nature.com

Exemestane after tamoxifen as adjuvant hormonal therapy in …  -  Apr 10, 2006
Recent studies have shown that administering the aromatase inhibitor exemestane after 2–3 years of tamoxifen therapy significantly improves disease-free ... Nature.com

Novartis' Femara gets FDA priority review for adjuvant early breast...  -  Aug 29, 2005
Femara showed markedly improved efficacy compared with tamoxifen in women with node-positive disease and those who received chemo treatment; it also showed ... Forbes

What's best for the breast  -  Apr 27, 2006
The osteoporosis drug Evista works as well as tamoxifen in reducing the risk of ... Tamoxifen, sold as a generic and by AstraZeneca under the brand name ... Sydney Morning Herald

Too Early to Declare Victory In the War Against Breast Cancer  -  May 2, 2006
This drug beat out its cousin tamoxifen, an earlier winner in the breast cancer ... The same fanfare accompanied the news a few years ago that tamoxifen had ... Washington Post

Tamoxifen offers long-term benefits for breast cancer prevention...  -  Feb 20, 2007
Tamoxifen offers long-term benefits for breast cancer prevention among women at high risk of the disease, according to two randomized, blinded clinical ... News-Medical.net

Brand Names/Synonyms:
Tamoxifen is also known by the following brand names and/or synonyms,Citrate; Apo-Tamox; CCRIS 3275; CTX; Citofen; Crisafeno; Diemon; Gen-Tamoxifen; HSDB 6782; Istubol; Kessar; Noltam; Nolvadex; Nolvadex-D; Nourytam; Novo-Tamoxifen; Oncomox; Pms-Tamoxifen; Retaxim; TRANS FORM OF TAMOXIFEN; Tamizam; Tamofen; Tamone; Tamoxasta; Tamoxen; Tamoxifen; Tamoxifen Citrate; Tamoxifen Drug Standard Solution; Tamoxifen and Its Salts; Tamoxifene [Inn-French]; Tamoxifeno [Inn-Spanish]; Tamoxifenum [Inn-Latin]; Trans-Tamoxifen; Valodex; Zemide

Drug Category:
Tamoxifen is categorized under the following by the FDA: Antineoplastic Agents; ATC:L02BA01

Dosage Forms:
TABLET

Absorption:
Not Available

Interactions:
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Chemical IUPAC Name:
[5-(2-amino-6-oxo-3,9-dihydropurin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-[(3,4-dihydroxy-6-methyl-5-oxo-tetrahydropyran-2-yl)oxy-hydroxy-phosphoryl]oxy-phosphinicacid





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