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INTERNATIONAL MULTICENTRIC STUDY OF TAMOXIFEN VS. ANASTROZOL IN WOMEN POST-MENOPAUSICAS WITH CARCINOMA DUCTAL IN SITU IBIS II (DCIS).

INTERNATIONAL MULTICENTRIC STUDY OF TAMOXIFEN VS. ANASTROZOL IN WOMEN POST-MENOPAUSICAS WITH CARCINOMA DUCTAL IN SITU IBIS II (DCIS).

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
REPEC
Registry ID
PER-040-03
Enrollment
Unknown
Registered
2003-08-06
Start date
Unknown
Completion date
Unknown
Last updated
2023-09-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Anastrozole Type of group
Anastrozole 1 mg + Tamoxifen placebo will be administered Group name:Tamoxifen Type of group
Tamoxifen 20 mg + Anastrozole placebo will be administered.

Sponsors

ASTRAZENECA - PERU,
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: a) All women must be post-menopausal and have between 40 to 70 years. The post-menopausal state is defined as 1 or more of the following criteria: Greater than 60 years, bilateral Ortectomy, less than 60 years with uterus and amenorrhea of at least 12 months, less than 60 years without uterus and with FSH> 20 Ul / L. b) CDIS locally resected within the last 6 months. c) Having baseline bone densitometry within the last 2 years will be required in all women. A column radiograph to rule out Frailty fractures will also be required.

Exclusion criteria

Exclusion criteria: a) Pre-menopausal woman. b) Any previous cancer in the last 5 years (except non-melanoma skin cancer or in situ cancer of the cervix). c) Current treatment with anticoagulants. d) Deep vein thrombosis or previous puimonar embolism. e) Transient ischemic cerebral accident (TIA) or previous cerebrovascular accident. f) Current or previous administration of Tamoxifen or Raloxifene or other SERMs for more than 3 months or participation in IBIS-I. g) Intention to continue with the use of hormone replacement therapy based on estrogens. h) Women who have had a prophylactic mastectomy or are planning to perform this procedure. i) Any woman with post-menopausal bleeding not explained.

Design outcomes

Primary

MeasureTime frame
Outcome name:It is the development of breast cancer confirmed histologically, both invasive and non-invasive (example, including new or recurrent DCIS). Measure:Anastrozole is at least as effective as tamoxifen in local control and prevention of contralateral disease in women with locally resected DCIS. Timepoints:6 month

Secondary

MeasureTime frame
Outcome name:mortality Measure:Effect of Tamoxifen vs Anastrozole on mortality from breast cancer. Timepoints:6 month

Countries

Australia, Belgium, Brazil, Denmark, Finland, Germany, Italy, Netherlands, Sweden, Switzerland, United Kindgdom

Outcome results

None listed

Source: REPEC (via WHO ICTRP)