NCT00003418

Brief Summary

RATIONALE: Estrogen can stimulate the growth of breast cancer cells. Hormone therapy using exemestane or tamoxifen may fight breast cancer by blocking the uptake of estrogen. It is not yet known whether exemestane is more effective than tamoxifen in treating breast cancer. PURPOSE: Randomized phase III trial to compare the effectiveness of exemestane with that of tamoxifen in treating postmenopausal women with primary breast cancer who have already received 2-3 years of tamoxifen following surgery.

Trial Health

60
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
4,400

participants targeted

Target at P75+ for phase_3 breast-cancer

Geographic Reach
3 countries

3 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 1998

Completed
1.7 years until next milestone

First Submitted

Initial submission to the registry

November 1, 1999

Completed
4.2 years until next milestone

First Posted

Study publicly available on registry

January 23, 2004

Completed
Last Updated

December 19, 2013

Status Verified

March 1, 2008

First QC Date

November 1, 1999

Last Update Submit

December 18, 2013

Conditions

Breast Cancer

Keywords

stage I breast cancerstage II breast cancerstage III breast cancer

Interventions

exemestaneDRUG
tamoxifen citrateDRUG

Eligibility Criteria

Sexfemale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
DISEASE CHARACTERISTICS: At diagnosis: Histologically confirmed unilateral adenocarcinoma of the breast that was considered operable Must have had adequate therapy for primary disease including chemotherapy/ovarian ablation if appropriate and local postoperative radiotherapy if the patient received conservative (breast preserving) surgery Must have remained disease-free after therapy for primary disease Must have been receiving tamoxifen for minimum of 2 years and maximum of 3 years 1 month with no more than 1 month break at any one time No inflammatory breast cancer, histologically positive supraclavicular nodes, or ulceration/infiltration or skin metastases No evidence of local relapse or distant metastasis (on chest x-ray, scintigraphic bone scanning and liver ultrasonography/CT scanning) at any time Hormone receptor status: Estrogen receptor positive or unknown PATIENT CHARACTERISTICS: Age: Postmenopausal as defined below Sex: Female Menopausal status: Postmenopausal as defined by: 55 years of age and over, and amenorrhea for greater than 2 years OR Radiation menopause (at least 3 months previously) or surgical oophorectomy OR Natural amenorrhea for at least 1 year at breast cancer diagnosis Performance status: Not specified Life expectancy: Not specified Hematopoietic: WBC at least 4,000/mm3 Hemoglobin normal Hepatic: SGOT no greater than 2.5 times upper limit of normal (ULN) Renal: Creatinine no greater than 1.5 times ULN Cardiovascular: No significant cardiac disorder Other: No significant skeletal or endocrine disorders No clinical evidence of severe osteoporosis and/or history of osteoporotic fracture No other prior malignancy except basal cell skin cancer or carcinoma in situ of the cervix No psychiatric or addictive disorders PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: See Disease Characteristics Prior or concurrent bisphosphonates allowed Adjuvant or neoadjuvant chemotherapy for primary disease allowed Endocrine therapy: At least 4 weeks since prior hormone replacement therapy (oral, topical, or vaginal) Prior low-dose progestins for relief of menopausal symptoms (up to 6 months duration) allowed No concurrent progestins No concurrent systemic corticosteroids for a prolonged period (i.e., greater than 2 weeks) No concurrent selective estrogen receptor modulators Radiotherapy: See Disease Characteristics Surgery: See Disease Characteristics Other: Prior participation and completion of therapy on another clinical study of systemic therapy (e.g., comparison of chemotherapy schedules) allowed No concurrent warfarin Concurrent treatment for other diseases allowed only when clinically indicated

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (3)

U.Z. Gasthuisberg

Leuven, B-3000, Belgium

Location

Centre Antoine Lacassagne

Nice, 06189, France

Location

Charing Cross Hospital

London, England, W6 8RF, United Kingdom

Location

Related Publications (4)

  • Coleman RE, Banks LM, Girgis SI, Kilburn LS, Vrdoljak E, Fox J, Cawthorn SJ, Patel A, Snowdon CF, Hall E, Bliss JM, Coombes RC; Intergroup Exemestane Study group. Skeletal effects of exemestane on bone-mineral density, bone biomarkers, and fracture incidence in postmenopausal women with early breast cancer participating in the Intergroup Exemestane Study (IES): a randomised controlled study. Lancet Oncol. 2007 Feb;8(2):119-27. doi: 10.1016/S1470-2045(07)70003-7.

    PMID: 17267326RESULT

  • Coombes RC, Kilburn LS, Snowdon CF, Paridaens R, Coleman RE, Jones SE, Jassem J, Van de Velde CJ, Delozier T, Alvarez I, Del Mastro L, Ortmann O, Diedrich K, Coates AS, Bajetta E, Holmberg SB, Dodwell D, Mickiewicz E, Andersen J, Lonning PE, Cocconi G, Forbes J, Castiglione M, Stuart N, Stewart A, Fallowfield LJ, Bertelli G, Hall E, Bogle RG, Carpentieri M, Colajori E, Subar M, Ireland E, Bliss JM; Intergroup Exemestane Study. Survival and safety of exemestane versus tamoxifen after 2-3 years' tamoxifen treatment (Intergroup Exemestane Study): a randomised controlled trial. Lancet. 2007 Feb 17;369(9561):559-70. doi: 10.1016/S0140-6736(07)60200-1.

    PMID: 17307102RESULT

  • Coombes RC, Paridaens R, Jassem J, et al.: First mature analysis of the Intergroup Exemestane Study. [Abstract] J Clin Oncol 24 (Suppl 18): A-LBA527, 2006.

    RESULT

  • Coombes RC, Hall E, Gibson LJ, Paridaens R, Jassem J, Delozier T, Jones SE, Alvarez I, Bertelli G, Ortmann O, Coates AS, Bajetta E, Dodwell D, Coleman RE, Fallowfield LJ, Mickiewicz E, Andersen J, Lonning PE, Cocconi G, Stewart A, Stuart N, Snowdon CF, Carpentieri M, Massimini G, Bliss JM, van de Velde C; Intergroup Exemestane Study. A randomized trial of exemestane after two to three years of tamoxifen therapy in postmenopausal women with primary breast cancer. N Engl J Med. 2004 Mar 11;350(11):1081-92. doi: 10.1056/NEJMoa040331.

    PMID: 15014181RESULT

MeSH Terms

Conditions

Breast Neoplasms

Interventions

exemestaneTamoxifen

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

StilbenesBenzylidene CompoundsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • R. Charles Coombes, MD, MRCP, FRCP, PhD, FMedSci

    Charing Cross Hospital

    STUDY CHAIR

  • Robert Paridaens, MD, PhD

    University Hospital, Gasthuisberg

    STUDY CHAIR

  • Moise Namer, MD, PhD

    Centre Antoine Lacassagne

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Purpose
TREATMENT
Sponsor Type
OTHER

Study Record Dates

First Submitted

November 1, 1999

First Posted

January 23, 2004

Study Start

February 1, 1998

Last Updated

December 19, 2013

Record last verified: 2008-03

Locations

BE(1)FR(1)GB(1)