Trial Outcomes & Findings for Phase II Study of Adenovirus/PSA Vaccine in Men With Hormone - Refractory Prostate Cancer (NCT NCT00583024)

NCT ID: NCT00583024

Last Updated: 2023-04-28

Results Overview

To evaluate the increase, decrease, or stable response rates (PSA responses and changes in PSADT) of the Ad/PSA vaccine using a prime-boost immunization strategy. PSADT will be calculated based on the MSKCC online calculator.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

32 participants

Primary outcome timeframe

18 months

Results posted on

2023-04-28

Participant Flow

Participant milestones

Participant milestones
Measure
Adenovirus/PSA Vaccine
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
Overall Study
STARTED
32
Overall Study
COMPLETED
28
Overall Study
NOT COMPLETED
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Adenovirus/PSA Vaccine
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
Overall Study
Lost to Follow-up
4

Baseline Characteristics

Phase II Study of Adenovirus/PSA Vaccine in Men With Hormone - Refractory Prostate Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Adenovirus/PSA Vaccine
n=32 Participants
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
Age, Categorical
<=18 years
0 Participants
n=93 Participants
Age, Categorical
Between 18 and 65 years
6 Participants
n=93 Participants
Age, Categorical
>=65 years
26 Participants
n=93 Participants
Sex: Female, Male
Female
0 Participants
n=93 Participants
Sex: Female, Male
Male
32 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
31 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
Race (NIH/OMB)
Asian
0 Participants
n=93 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=93 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=93 Participants
Race (NIH/OMB)
White
32 Participants
n=93 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Region of Enrollment
United States
32 participants
n=93 Participants

PRIMARY outcome

Timeframe: 18 months

To evaluate the increase, decrease, or stable response rates (PSA responses and changes in PSADT) of the Ad/PSA vaccine using a prime-boost immunization strategy. PSADT will be calculated based on the MSKCC online calculator.

Outcome measures

Outcome measures
Measure
Adenovirus/PSA Vaccine
n=26 Participants
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
Number of Participants With Stable, Decreased, or Increased PSA Doubling Times (PSADT)
Decreased PSADT
7 Participants
Number of Participants With Stable, Decreased, or Increased PSA Doubling Times (PSADT)
Stable PSADT
2 Participants
Number of Participants With Stable, Decreased, or Increased PSA Doubling Times (PSADT)
Increased PSADT or PSA decline
17 Participants

PRIMARY outcome

Timeframe: 18 months

Strong or modest antibody responses to PSA measured by the binding to PSA-secreting cell lines

Outcome measures

Outcome measures
Measure
Adenovirus/PSA Vaccine
n=25 Participants
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
Number of Participants Who Develop a Strong or Modest Anti-PSA Immune Response
Strong response
15 participants
Number of Participants Who Develop a Strong or Modest Anti-PSA Immune Response
Modest response
3 participants

SECONDARY outcome

Timeframe: Every 6 months, up to 14 years

Population: 4 patients lost to follow-up

To evaluate survival in evaluable patients receiving the Ad/PSA vaccine, as measured by 2-year, 5-year, 10-year, and overall survival (OS)

Outcome measures

Outcome measures
Measure
Adenovirus/PSA Vaccine
n=28 Participants
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
Number of Participants Alive and Deceased Following Treatment
2-year survival · Alive
25 Participants
Number of Participants Alive and Deceased Following Treatment
2-year survival · Deceased
3 Participants
Number of Participants Alive and Deceased Following Treatment
5-year survival · Alive
20 Participants
Number of Participants Alive and Deceased Following Treatment
5-year survival · Deceased
8 Participants
Number of Participants Alive and Deceased Following Treatment
10-year survival · Alive
12 Participants
Number of Participants Alive and Deceased Following Treatment
10-year survival · Deceased
16 Participants
Number of Participants Alive and Deceased Following Treatment
Overall survival · Alive
7 Participants
Number of Participants Alive and Deceased Following Treatment
Overall survival · Deceased
21 Participants

Adverse Events

Adenovirus/PSA Vaccine

Serious events: 3 serious events
Other events: 18 other events
Deaths: 21 deaths

Serious adverse events

Serious adverse events
Measure
Adenovirus/PSA Vaccine
n=32 participants at risk
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
Respiratory, thoracic and mediastinal disorders
Pulmonary emboli
3.1%
1/32 • Number of events 1 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).
Respiratory, thoracic and mediastinal disorders
Obstruction/stenosis of airway - Bronchus
3.1%
1/32 • Number of events 1 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).
Cardiac disorders
Cardiac ischemia/infarction
3.1%
1/32 • Number of events 1 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).

Other adverse events

Other adverse events
Measure
Adenovirus/PSA Vaccine
n=32 participants at risk
ADENOVIRUS/PSA VACCINE: 1x10E8 pfu in Gelfoam subcutaneously on days 0, 30, 60
General disorders
Headache
12.5%
4/32 • Number of events 4 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).
Skin and subcutaneous tissue disorders
Injection site irritation
12.5%
4/32 • Number of events 4 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).
General disorders
Cold and flu symptoms
15.6%
5/32 • Number of events 5 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).
Skin and subcutaneous tissue disorders
Flushing
3.1%
1/32 • Number of events 1 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).
Musculoskeletal and connective tissue disorders
Myalgia
3.1%
1/32 • Number of events 1 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).
General disorders
Fatigue
9.4%
3/32 • Number of events 3 • All-Cause Mortality was collected and assessed every 6 months via phone and then via medial record review during long-term follow-up, up to 14 years, AEs collected and recorded at least 4 weeks (30 days) after the last exposure to the study drug (up to day 90).

Additional Information

David Lubaroff, PhD

University of Iowa/Holden Comprehensive Cancer Center

Phone: (319) 335-8423

Results disclosure agreements

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