Trial Outcomes & Findings for Radium 223 in Castrate Resistant Prostate Cancer Bone Metastases (NCT NCT02135484)

NCT ID: NCT02135484

Last Updated: 2022-02-17

Results Overview

Overall survival is measured in months from the time of enrollment until death. Participants who survived longer then the median survival rate of 24.3 months were assigned favorable survival. Participants who survived less than 24.3 months were assigned unfavorable survival.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

27 participants

Primary outcome timeframe

3.6 years

Results posted on

2022-02-17

Participant Flow

27 participants consented, 2 participants ineligible (1) withdrawal by subject and (1)screen failure.

Participant milestones

Participant milestones
Measure
Alpharadin
Participants treated with standard dosing of Alpharadin 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total). Alpharadin: 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total).
Overall Study
STARTED
25
Overall Study
COMPLETED
25
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Radium 223 in Castrate Resistant Prostate Cancer Bone Metastases

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Alpharadin
n=25 Participants
Participants treated with standard dosing of Alpharadin 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total). Alpharadin: 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total).
Age, Continuous
66 years
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
25 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
18 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
6 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=5 Participants
Race (NIH/OMB)
White
20 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
Region of Enrollment
United States
25 participants
n=5 Participants
Prostate Specific Antigen (PSA) Levels
26.9 ng/mL
n=5 Participants
Total Alkaline Phosphatase Level
489 U/L
n=5 Participants
Eastern Cooperative Oncology Group (ECOG) Performance Status
Grade 0
12 Participants
n=5 Participants
Eastern Cooperative Oncology Group (ECOG) Performance Status
Grade 1
13 Participants
n=5 Participants
Gleason Score
Score of 7
3 Participants
n=5 Participants
Gleason Score
Score of 8
5 Participants
n=5 Participants
Gleason Score
Score of 9
14 Participants
n=5 Participants
Gleason Score
Score of 10
1 Participants
n=5 Participants
Gleason Score
Unknown
2 Participants
n=5 Participants
Extent of Bone Metastases
Less than 20
8 Participants
n=5 Participants
Extent of Bone Metastases
More than 20
17 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 3.6 years

Overall survival is measured in months from the time of enrollment until death. Participants who survived longer then the median survival rate of 24.3 months were assigned favorable survival. Participants who survived less than 24.3 months were assigned unfavorable survival.

Outcome measures

Outcome measures
Measure
Alpharadin
n=25 Participants
Participants treated with standard dosing of Alpharadin 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total). Alpharadin: 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total).
Overall Survival (Favorable and Unfavorable )
Unfavorable Survival
13.9 months
Interval 3.3 to 23.1
Overall Survival (Favorable and Unfavorable )
Favorable Survival
36.3 months
Interval 24.3 to 43.1

Adverse Events

Alpharadin

Serious events: 0 serious events
Other events: 13 other events
Deaths: 19 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Alpharadin
n=25 participants at risk
Participants treated with standard dosing of Alpharadin 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total). Alpharadin: 50 kBq (0.0014 mCi)/kg body weight, administered by slow intravenous injection over 1 minute every 4 weeks for 6 cycles (6 doses total).
Blood and lymphatic system disorders
Anemia
12.0%
3/25 • Number of events 3 • adverse event data collected up to 3 years
Gastrointestinal disorders
Diarrhea
12.0%
3/25 • Number of events 4 • adverse event data collected up to 3 years
General disorders
Fatigue
32.0%
8/25 • Number of events 8 • adverse event data collected up to 3 years
Investigations
Platelet count decreased
12.0%
3/25 • Number of events 3 • adverse event data collected up to 3 years
Investigations
White blood cell decreased
28.0%
7/25 • Number of events 9 • adverse event data collected up to 3 years

Additional Information

John C. Araujo, Associate Professor, Genitourinary Medical Oncology

UT MD Anderson Cancer Center

Phone: (713) 792-2830

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place