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A collaborative trial to evaluate the role of radiotherapy and adjuvant tamoxifen in the conservative management of clinical stage I and II breast cancer

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN68177645
Enrollment
Unknown
Registered
2001-07-01
Start date
1997-01-01
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Breast Cancer Breast

Interventions

Following surgery to remove the tumour patients are randomised into one of six treatment groups: 1. Group A: Tamoxifen daily for 2 years 2. Group B: Tamoxifen daily until recurrence 3. Group C: Short

Sponsors

Cancer Research UK (CRUK) (UK)
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Histologically proven adenocarcinoma of breast 2. Tumour size <5 cm 3. No clinically palpable axillary nodes 4.. Have had an operation resulting in a cosmetically satisfactory breast 5. No evidence of systemic metastases 6. No previous treatment for a malignancy by radiotherapy or chemotherapy 7. Patients with Paget's disease of the nipple, bilateral breast cancer or lymphoedema of the breast are excluded 8. No previous or co-existing malignancies, except basal cell carcinoma of skin and in-situ carcinoma of cervix 9. Patients must be fit enough to receive any of the specified treatments

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

MeasureTime frame
Not provided at time of registration

Secondary

MeasureTime frame
Not provided at time of registration

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026