Re-treatment Safety of Radium-223 Dichloride in Castration-resistant Prostate Cancer With Bone Metastases
| Status: | Completed |
|---|---|
| Conditions: | Prostate Cancer |
| Therapuetic Areas: | Oncology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 4/17/2018 |
| Start Date: | December 22, 2013 |
| End Date: | April 12, 2017 |
A Re-treatment Safety Study of Radium-223 Dichloride in Subjects With Castration-resistant Prostate Cancer With Bone Metastases Who Received an Initial Course of Six Doses of Radium-223 Dichloride 50 kBq/kg Every Four Weeks
Eligible subjects must have completed 6 doses of treatment of radium-223 dichloride and
experienced no radium-223 dichloride-related SAEs (serious adverse events) or CTCAE (Common
Terminology Criteria for Adverse Events) Grade 3 or 4 adverse event during or after the
initial course of radium-223 dichloride that led to the discontinuation of treatment. 40
Subjects will be enrolled and will receive up to 6 doses of radium-223 dichloride 50 kBq/kg
IV every 4 weeks.
The subject will be evaluated for AEs (adverse events) and laboratory tests at each visit
every 4 weeks, prior to receiving radium-223 dichloride.
After the end of treatment visit the subjects will enter the active follow up period. Related
AEs and SAEs and Lab tests will be evaluated at each visit every 4 weeks for the first 12
weeks, then every 12 weeks for up to 2 years after the last dose of radium-223 dichloride.
After the 2 years of active follow-up, subjects will enter the long-term follow-up period and
will be followed via telephone follow-up at 6-month intervals for late toxicities and
survival up to 7 years after the last dose of radium-223 dichloride or until death.
Joint safety reviews will regularly take place to oversee safety of the subjects conducted at
regular intervals.
An interim analysis of the safety data will be conducted during the study.
experienced no radium-223 dichloride-related SAEs (serious adverse events) or CTCAE (Common
Terminology Criteria for Adverse Events) Grade 3 or 4 adverse event during or after the
initial course of radium-223 dichloride that led to the discontinuation of treatment. 40
Subjects will be enrolled and will receive up to 6 doses of radium-223 dichloride 50 kBq/kg
IV every 4 weeks.
The subject will be evaluated for AEs (adverse events) and laboratory tests at each visit
every 4 weeks, prior to receiving radium-223 dichloride.
After the end of treatment visit the subjects will enter the active follow up period. Related
AEs and SAEs and Lab tests will be evaluated at each visit every 4 weeks for the first 12
weeks, then every 12 weeks for up to 2 years after the last dose of radium-223 dichloride.
After the 2 years of active follow-up, subjects will enter the long-term follow-up period and
will be followed via telephone follow-up at 6-month intervals for late toxicities and
survival up to 7 years after the last dose of radium-223 dichloride or until death.
Joint safety reviews will regularly take place to oversee safety of the subjects conducted at
regular intervals.
An interim analysis of the safety data will be conducted during the study.
Inclusion Criteria:
- Histologically or cytologically confirmed adenocarcinoma of the prostate at any given
point in time during disease history
- CRPC (castration-resistant prostate cancer) with clinical or radiologically confirmed
bone progression
- Treatment with 6 injections of radium-223 dichloride 50 kBq/kg and no evidence of
progression to bone (according to Prostate Cancer Clinical Trials Working Group 2
[PCWG2] criteria) during the first course of treatment
- Signed written informed consent prior to participating in any study related
procedures. Willing and able to comply with the protocol, including follow-up visits
and examinations
Exclusion Criteria:
- History of a radium-223 dichloride-related serious adverse event (SAE) or CTCAE Grade
3 or 4 adverse event (AE) during or after the initial course of radium-223 dichloride
treatment that led to the discontinuation of treatment
- Less than 30 days from the last dose administered in the initial course of radium-223
dichloride treatment
- Visceral metastases 1 cm or greater in largest diameter and / or requiring local or
systemic therapeutic intervention, as assessed by abdominal and pelvic magnetic
resonance imaging (MRI) / computed tomography (CT) scan and / or chest X-ray within 30
days of the start of treatment
- Lymphadenopathy with lymph nodes exceeding 6 cm in short-axis diameter and / or
requiring local or systemic therapeutic intervention. Enlarged lymph nodes of any size
if the lymphadenopathy is thought to be a contributor to concurrent hydronephrosis.
- Current central nervous system (CNS) metastases
- Chronic conditions associated with non-malignant abnormal bone growth (e.g., confirmed
Paget's disease of bone)
- Treatment with chemotherapy after the initial course of radium-223 dichloride
treatment
- Prior hemibody external radiotherapy
- Prior systemic radiotherapy with strontium-89, samarium-153, rhenium-186, or
rhenium-188
- Any other serious illness or medical conditions
- Crohn's disease or ulcerative colitis
- History of documented bone marrow dysplasia
- Unmanageable fecal incontinence
- Imminent or established spinal cord compression based on clinical findings and / or
MRI that has not yet been treated
- Other malignancy treated within the last 3 years (except non-melanoma skin cancer or
low-grade superficial bladder cancer)
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