NCT01105338

Brief Summary

RATIONALE: Lycopene and green tea may stop or delay the development of recurrent prostate cancer in patients has been treated for prostate cancer. It is not yet known whether lycopene or green tea may be more effective in preventing prostate cancer. PURPOSE: This randomized phase II trial is studying lycopene to see how well it works compared with green tea in preventing prostate cancer in patients previously enrolled in the ProtecT trial

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
126

participants targeted

Target at P75+ for phase_2 prostate-cancer

Timeline
Completed

Started Aug 2009

Shorter than P25 for phase_2 prostate-cancer

Geographic Reach
1 country

1 active site

Status
completed

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

August 1, 2009

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

April 15, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

April 16, 2010

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2010

Completed
Last Updated

January 23, 2018

Status Verified

January 1, 2018

Enrollment Period

1 year

First QC Date

April 15, 2010

Last Update Submit

January 19, 2018

Conditions

Keywords

prostate cancer

Outcome Measures

Primary Outcomes (1)

  • Serum lycopene and epigallocatechin-3-gallate (green tea) levels at 6 months following randomization

    6 months

Secondary Outcomes (11)

  • Trial recruitment and randomization rates at each stage of the study

    6 months

  • Intervention tolerability (adverse event reporting during the six months of follow-up)

    6 months

  • Compliance (returned tablet counts and self-reported counts at 6 months)

    6 months

  • Trial retention (participants completing 6-month follow-up and questionnaires)

    6 months

  • PSA values at baseline and at 6 months

    6 months

  • +6 more secondary outcomes

Study Arms (6)

Green tea drink

ACTIVE COMPARATOR

Green tea drink

Behavioral: Green tea drink

Green tea capsules

ACTIVE COMPARATOR

Green tea capsules

Dietary Supplement: green tea capsules

Green tea placebo capsules

PLACEBO COMPARATOR

Green tea placebo capsules

Other: Green tea placebo capsules

Lycopene capsules

ACTIVE COMPARATOR

Lycopene capsules

Dietary Supplement: Lycopene capsules

Lycopene placebo capsules

PLACEBO COMPARATOR

Lycopene placebo capsules

Other: Lycopene placebo capsules

Tomato rich diet

ACTIVE COMPARATOR

Tomato rich diet

Other: Tomato rich diet

Interventions

Green tea drinkBEHAVIORAL

Green tea drink

Green tea drink
green tea capsulesDIETARY_SUPPLEMENT

green tea capsules

Green tea capsules

Green tea placebo capsules

Green tea placebo capsules
Lycopene capsulesDIETARY_SUPPLEMENT

Lycopene capsules

Lycopene capsules

Lycopene placebo capsules

Lycopene placebo capsules

Tomato rich diet

Tomato rich diet

Eligibility Criteria

Age50 Years - 69 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Southmead Hospital

Bristol, England, United Kingdom

Location

MeSH Terms

Conditions

Prostatic Neoplasms

Interventions

TeaLycopene

Condition Hierarchy (Ancestors)

Genital Neoplasms, MaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsGenital Diseases, MaleGenital DiseasesUrogenital DiseasesProstatic DiseasesMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

Plant PreparationsBiological ProductsComplex MixturesBeveragesDiet, Food, and NutritionPhysiological PhenomenaFood and BeveragesCarotenoidsPolyenesAlkenesHydrocarbons, AcyclicHydrocarbonsOrganic ChemicalsCyclohexenesCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicTerpenesPigments, BiologicalBiological Factors

Study Officials

  • Athene Lane, PhD

    University of Bristol

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
FACTORIAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Study Coordinator and Senior Research Fellow

Study Record Dates

First Submitted

April 15, 2010

First Posted

April 16, 2010

Study Start

August 1, 2009

Primary Completion

August 1, 2010

Study Completion

August 1, 2010

Last Updated

January 23, 2018

Record last verified: 2018-01

Locations