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Radiotherapy with weekly gemcitabine (GEM)

Phase II study of radiotherapy with concurrent weekly gemcitabine in muscle-invasive bladder cancer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN64153246
Enrollment
50
Registered
2010-07-30
Start date
2003-07-01
Completion date
Unknown
Last updated
2018-11-12

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

Conditions

Topic: National Cancer Research Network

Interventions

Each cycle of concurrent chemotherapy comprised 100 mg/m^2 gemcitabine given as an intravenous infusion over 30 minutes 2 - 4 hours before radiotherapy (RT) on day 1. Conformal radiotherapy using four

Sponsors

Christie Hospital NHS Foundation Trust (UK)
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Histologically confirmed T2-3 N0M0 transitional cell carcinoma (TCC) of the bladder* 2. Life expectancy greater than 3 months 3. World Health Organization (WHO) performance status 0 ? 2 4. Patients opting for bladder preservation who are able and motivated to comply with follow up 5. Maximal achievable transurethral resection of bladder tumour (TURBT) 6. Serum creatinine less than 1.5 x upper limit of normal (ULN) 7. Haemoglobin (Hb) greater than 10 g/dl, platelets greater than 100,000/mm^3, white cell count (WCC) greater than 2000/mm^3 8. Aged greater than 18 years 9. Provided informed consent *Patients with TCC in whom biopsy fails to demonstrate histological evidence of muscle invasion but where magnetic resonance (MR) demonstrates unequivocal evidence of deep muscle invasion can be accepted for trial entry

Exclusion criteria

Exclusion criteria: 1. Residual tumour with any unidimensional measurement greater than or equal to 7 cm following TURBT 2. Poor bladder function: 2.1. Any WHO bladder symptom score equalling 3 or greater than or equal to two bladder symptom scores equalling 2 2.2. Documented bladder capacity less than or equal to 200 ml 3. Abnormal liver function tests (LFT) (bilirubin greater than 1.3 x ULN, alkaline phosphatase greater than 5 x ULN, transaminases greater than 5 x ULN) 4. Previous radiotherapy to pelvis 5. More than one instillation of intravesical cytotoxic chemotherapy or immunotherapy 6. Any previous systemic chemotherapy 7. Radiotherapy planning target volume (PTV) greater than 1000cm^3 8. Any prior malignancy (excluding basal cell carcinoma [BCC]) 9. Pre-existing medical conditions that preclude this treatment 10. Pregnant or breast-feeding 11. Not able to use appropriate and/or adequate contraception during and for 3 months after the study

Design outcomes

Primary

MeasureTime frame
Tumour response, measured three months after completion of treatment

Secondary

MeasureTime frame
1. Toxicity 2. Survival

Countries

United Kingdom

Outcome results

None listed

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