A Study to Examine the Effectiveness of Aspirin and/or Vitamin D3 to Prevent Prostate Cancer Progression

NCT ID: NCT03103152

Last Updated: 2023-03-29

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2/PHASE3

Total Enrollment

104 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-12-31

Study Completion Date

2020-03-31

Brief Summary

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To demonstrate the acceptability and feasibility of recruitment to a randomised chemoprevention study of standard (300mg) or low dose (100mg) aspirin vs. placebo and/or Vitamin D3 vs. placebo in patients enrolled on an Active Surveillance programme for prostate cancer.

Detailed Description

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The PROVENT study is a randomised, double blind, placebo controlled feasibility study to examine the clinical effectiveness of aspirin and/or Vitamin D3 to prevent disease progression in men on Active Surveillance for prostate cancer

The main outcome measure of the trial is the rate of patient recruitment to a randomised chemoprevention study in men enrolled on an Active Surveillance programme for prostate cancer

Secondary outcomes include the response to treatment as determined by serial multi-parametric magnetic resonance imaging (MRI) of the prostate, biochemical disease progression and histological disease progression after 12 months of therapy and finally toxicity and/or allergy to both aspirin and Vitamin D3.

Conditions

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Prostate Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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High dose Aspirin & Vitamin D

Aspirin high dose (300mgs) daily \& Vitamin D 4,000 IU (0.1mg) per day

Group Type EXPERIMENTAL

High dose Aspirin & Vitamin D

Intervention Type DRUG

Aspirin 1 x 300mg tablet daily \& Vitamin D 4,000IU daily. (8 drops).

High dose Aspirin, Vitamin D placebo

high dose aspirin (300mgs) daily and Vitamin D placebo (Miglyol®812 Oil)

Group Type EXPERIMENTAL

High dose Aspirin, Vitamin D placebo

Intervention Type DRUG

Aspirin 1 x 300mg tablet daily \& Vitamin D placebo (8 drops).

Aspirin placebo, Vitamin D placebo

Intervention Type DRUG

Aspirin 1 x 100mg placebo tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Low dose Aspirin , Vitamin D

Low dose aspirin (100mgs) daily \& Vitamin D 4,000 IU (0.1mg) per day

Group Type EXPERIMENTAL

Low dose Aspirin , Vitamin D

Intervention Type DRUG

Aspirin 1 x 100mg tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Low dose Aspirin, Vitamin D placebo

Low dose aspirin (100mgs) daily and Vitamin D placebo (Miglyol®812 Oil)

Group Type PLACEBO_COMPARATOR

Low dose Aspirin, Vitamin D placebo

Intervention Type DRUG

Aspirin 1 x 100mg tablet daily \& Vitamin D placebo 8 drops daily.

Aspirin Placebo, Vitamin D

Aspirin placebo and Vitamin D active ingredient - Vigantol® Oil

Group Type EXPERIMENTAL

Low dose Aspirin , Vitamin D

Intervention Type DRUG

Aspirin 1 x 100mg tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Aspirin Placebo, Vitamin D

Intervention Type DRUG

Aspirin 1 x 300mg placebo tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Aspirin placebo, Vitamin D placebo

Aspirin placebo and Vitamin D placebo - Miglyol®812 Oil

Group Type EXPERIMENTAL

Aspirin placebo, Vitamin D placebo

Intervention Type DRUG

Aspirin 1 x 100mg placebo tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Interventions

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High dose Aspirin & Vitamin D

Aspirin 1 x 300mg tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Intervention Type DRUG

High dose Aspirin, Vitamin D placebo

Aspirin 1 x 300mg tablet daily \& Vitamin D placebo (8 drops).

Intervention Type DRUG

Low dose Aspirin , Vitamin D

Aspirin 1 x 100mg tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Intervention Type DRUG

Low dose Aspirin, Vitamin D placebo

Aspirin 1 x 100mg tablet daily \& Vitamin D placebo 8 drops daily.

Intervention Type DRUG

Aspirin Placebo, Vitamin D

Aspirin 1 x 300mg placebo tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Intervention Type DRUG

Aspirin placebo, Vitamin D placebo

Aspirin 1 x 100mg placebo tablet daily \& Vitamin D 4,000IU daily. (8 drops).

Intervention Type DRUG

Other Intervention Names

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Aspirin - acetylsalicylic acid Vitamin D - Vigantol® Oil Aspirin - acetylsalicylic acid Vitamin D placebo - Miglyol®812 Oil Aspirin - acetylsalicylic acid Vitamin D - Vigantol® Oil Aspirin - acetylsalicylic acid Vitamin D placebo - Miglyol®812 Oil Vitamin D - Vigantol® Oil Aspirin Placebo, Vitamin D Vitamin D placebo - Miglyol®812 Oil

Eligibility Criteria

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Inclusion Criteria

* Gleason score 6 or 7 (Gleason 3+3 or 3+4)
* Clinical and radiological stage \<T3
* Serum Prostate Specific Antigen (PSA) ≤15.0 ng/ml
* Less than 10mm of cancer in a single core

Exclusion Criteria

1. Previously treated prostate cancer (including radiotherapy, hormone therapy, brachytherapy or surgery)
2. Currently enrolled, or has been a participant within the last 30 days, in any other investigational drug or device study.
3. Current daily use of aspirin or NSAIDs; or daily dietary supplements/medication containing more than 400 IU (10 micrograms per day) Vitamin D; or chronic use (defined as \> 6 months continuous daily use) of either aspirin or \>400IU Vitamin D within two years of study enrolment
4. Current or previous use of 5-α reductase inhibitors such as finasteride or dutasteride
5. Not willing to comply with the procedural requirements of this protocol including repeat prostate biopsies
6. Known allergy/sensitivity to or intolerance of aspirin, other salicylates or NSAIDs e.g. ibuprofen/ naproxen
7. Prior history of gastro-intestinal bleeding or ulceration, severe dyspepsia or inflammatory bowel disease
8. Haemophilia or other bleeding diatheses
9. Prior history of renal stone disease
10. Chronic renal disease (≥stage 4)
11. Known hypercalcaemia (corrected serum calcium \>2.65 mmol/l) or untreated hyperparathyroidism
12. Any bowel condition that would make repeat transrectal biopsy hazardous or difficult to perform e.g. recto-urethral fistula, or prior bowel surgery such as abdomino-perineal resection.
13. Any malignancy (other than non-melanoma skin cancer) that has not been in complete remission for five years
14. Any serious co-existent medical condition that would make repeat prostate biopsy hazardous e.g. anti-coagulation requiring continuous administration
15. Severe Asthma
16. G6PD ( glucose-6-phosphate dehydrogenase) deficiency
17. Pre-existing macular degeneration
18. All contraindications to aspirin and Vitamin D3 (e.g. Sarcoidosis), including concomitant therapy with any medication that may interact with aspirin or Vitamin D3 (see section 4.10)
19. Tuberculosis
20. Regular consumption of alcohol units greater than the recommended daily limit of 3-4 units per day (men)
Minimum Eligible Age

16 Years

Maximum Eligible Age

100 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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Barts and the London School of Medicine and Dentistry

OTHER

Sponsor Role collaborator

Cancer Research UK

OTHER

Sponsor Role collaborator

Queen Mary University of London

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Greg Shaw, MD

Role: PRINCIPAL_INVESTIGATOR

Queen Mary London

Jack Cuzick, PhD

Role: STUDY_DIRECTOR

Queen Mary London

Locations

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Darent Valley Hospital

Dartford, , United Kingdom

Site Status

University Hospital of Wales

London, , United Kingdom

Site Status

University Hospital UHCW NHS Trust

London, , United Kingdom

Site Status

St Bartholomews Hospital London, Bart's and the London school of Medicine

London, , United Kingdom

Site Status

University College Hospital London

London, , United Kingdom

Site Status

Homerton Hospital

London, , United Kingdom

Site Status

Southampton General Hospital

Southampton, , United Kingdom

Site Status

Countries

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United Kingdom

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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isrctn91422391

Identifier Type: -

Identifier Source: org_study_id

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