Study Stopped
Slow recruitment
Trial Assessing Zactima Against Placebo in Prostate Cancer Subjects Undergoing Intermittent Androgen Deprivation Hormonal Therapy
ZENITH
A Randomized, Double-blind, Multicentre, Phase II Controlled Trial Assessing ZACTIMATM (Vandetanib) Against Placebo in Prolonging the Off-treatment Interval in Prostate Cancer Subjects Undergoing Intermittent Androgen Deprivation Hormonal Therapy
1 other identifier
interventional
17
1 country
11
Brief Summary
The purpose of this study is to determine whether treatment with Zactima for up to 18 months will prolong the off-treatment interval in patients who are undergoing intermittent androgen deprivation therapy.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2 prostate-cancer
Started May 2008
Shorter than P25 for phase_2 prostate-cancer
11 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2008
CompletedFirst Submitted
Initial submission to the registry
May 27, 2008
CompletedFirst Posted
Study publicly available on registry
May 29, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2010
CompletedResults Posted
Study results publicly available
May 24, 2011
CompletedDecember 21, 2016
October 1, 2016
1.9 years
May 27, 2008
April 27, 2011
October 27, 2016
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Participants Not Reaching a PSA ≥ 5ng/mL by 52 Weeks During the Off-treatment Phase of Androgen Deprivation Therapy (ADT)
52 weeks
Secondary Outcomes (3)
Percentage of Participants Not Reaching PSA ≥ 5ng/mL and/or PSA 10ng/mL (Biochemical Failure) by 78 Weeks During the Off-treatment Phase of Androgen Deprivation Therapy (ADT)
78 weeks during off-treatment phase of ADT
Time to PSA Progression (PSA ≥ 5ng/mL and PSA ≥ 10ng/mL)
From the time o PSA rise from the date of randomization to both PSA ≥ 5ng/mL and PSA ≥ 10ng/mL
Serum Testosterone Levels
Change from baseline at each visit post-randomization until until week 78
Study Arms (2)
vandetanib
EXPERIMENTAL300 mg orally, once daily for up to 18 months
Placebo
PLACEBO COMPARATORorally, once daily for up to 18 months
Interventions
Eligibility Criteria
You may qualify if:
- Diagnosis of prostate cancer
- Prostate specific antigen (PSA) greater than or equal to 5 ng/mL
- Recent completion of first hormone treatment \[intermittent androgen deprivation with a Luteinising hormone releasing hormone (LHRH) analogue\]
- Screening PSA ≤1.0 ng/mL (within 6 weeks prior to study Day1)
You may not qualify if:
- Bone or soft tissue metastases
- Significant cardiovascular disease including hypertension not controlled by medical therapy or history of irregular heart beats or recent heart attack
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (11)
Research Site
Calgary, Alberta, Canada
Research Site
Edmonton, Alberta, Canada
Research Site
Victoria, British Columbia, Canada
Research Site
Hamilton, Ontario, Canada
Research Site
Kingston, Ontario, Canada
Research Site
London, Ontario, Canada
Research Site
Toronto, Ontario, Canada
Research Site
Greenfield Park, Quebec, Canada
Research Site
Montreal, Quebec, Canada
Research Site
Sherbrooke, Quebec, Canada
Research Site
Granby, Canada
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Limitations and Caveats
It was planned that approx 100 patients would be recruited over a period of approx 2 years, due to slow recruitment the study was terminated early. No statistical analyses was done and no conclusion can be drawn about the outcomes in this study.
Results Point of Contact
- Title
- Trial Transparency Team
- Organization
- Sanofi
Study Officials
- STUDY DIRECTOR
Clinical Sciences & Operations
Sanofi
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 27, 2008
First Posted
May 29, 2008
Study Start
May 1, 2008
Primary Completion
April 1, 2010
Study Completion
October 1, 2010
Last Updated
December 21, 2016
Results First Posted
May 24, 2011
Record last verified: 2016-10