Trial Outcomes & Findings for Vitamin D and Soy Supplements in Treating Patients With Recurrent Prostate Cancer (NCT NCT00499408)

NCT ID: NCT00499408

Last Updated: 2018-11-21

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

26 participants

Primary outcome timeframe

up to one year

Results posted on

2018-11-21

Participant Flow

Participant milestones

Participant milestones
Measure
Vitamin D and Soy Supplementation
oral supplementation with both 2,000 international units per day of vitamin D (cholecalciferol) and soy (160 milligrams per day soy isoflavones)
Overall Study
STARTED
26
Overall Study
COMPLETED
26
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Vitamin D and Soy Supplements in Treating Patients With Recurrent Prostate Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Vitamin D and Soy Supplementation
n=26 Participants
oral supplementation with both 2,000 international units per day of vitamin D (cholecalciferol) and soy (160 milligrams per day soy isoflavones)
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
7 Participants
n=5 Participants
Age, Categorical
>=65 years
19 Participants
n=5 Participants
Age, Continuous
72.4 years
STANDARD_DEVIATION 8.8 • n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
26 Participants
n=5 Participants
Region of Enrollment
United States
26 participants
n=5 Participants

PRIMARY outcome

Timeframe: up to one year

Population: Only 23 participants evaluable for a response.

Outcome measures

Outcome measures
Measure
Vitamin D and Soy Supplementation
n=23 Participants
oral supplementation with both 2,000 international units per day of vitamin D (cholecalciferol) and soy (160 milligrams per day soy isoflavones)
Number of Participants Showing a 50% Reduction in Serum Prostate Specific Antigen(PSA) During Treatment
0 participants

SECONDARY outcome

Timeframe: up to one year

Population: Data not collected

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: up to one year

Population: Data not collected

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: up to one year

Toxicity will be graded according to the revised NCI Common Terminology Criteria for Adverse Events v 3.0, (CTCAE). Number of events with grade 1-5 will be reported.

Outcome measures

Outcome measures
Measure
Vitamin D and Soy Supplementation
n=26 Participants
oral supplementation with both 2,000 international units per day of vitamin D (cholecalciferol) and soy (160 milligrams per day soy isoflavones)
Number of Adverse Events, Grades 1-5
Grade 1
93 events
Number of Adverse Events, Grades 1-5
Grade 2
30 events
Number of Adverse Events, Grades 1-5
Grade 3
7 events
Number of Adverse Events, Grades 1-5
Grade 4
0 events
Number of Adverse Events, Grades 1-5
Grade 5
1 events

SECONDARY outcome

Timeframe: up to three years

Population: 16 subjects progress out of the 23 evaluable for response.

Progression will be defined as a 50% rise in serum PSA compared to the baseline value confirmed on at least two measurements at least two weeks apart.

Outcome measures

Outcome measures
Measure
Vitamin D and Soy Supplementation
n=16 Participants
oral supplementation with both 2,000 international units per day of vitamin D (cholecalciferol) and soy (160 milligrams per day soy isoflavones)
Time to Progression
10.3 months
Interval 4.0 to 35.0

Adverse Events

Vitamin D and Soy Supplementation

Serious events: 5 serious events
Other events: 26 other events
Deaths: 16 deaths

Serious adverse events

Serious adverse events
Measure
Vitamin D and Soy Supplementation
n=26 participants at risk
oral supplementation with both 2,000 international units per day of vitamin D (cholecalciferol) and soy (160 milligrams per day soy isoflavones)
Cardiac disorders
Cardiac ischemia/infarction
3.8%
1/26 • Number of events 1 • up to 3 years
Investigations
hyperglycemia
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
hypoglycemia
3.8%
1/26 • Number of events 1 • up to 3 years
Investigations
Partial Thromboplastin Time
3.8%
1/26 • Number of events 1 • up to 3 years
Investigations
Lymphopenia
3.8%
1/26 • Number of events 1 • up to 3 years
General disorders
Syncope (fainting)
3.8%
1/26 • Number of events 1 • up to 3 years
Infections and infestations
Skin Infection with high grade neutropenia
3.8%
1/26 • Number of events 1 • up to 3 years

Other adverse events

Other adverse events
Measure
Vitamin D and Soy Supplementation
n=26 participants at risk
oral supplementation with both 2,000 international units per day of vitamin D (cholecalciferol) and soy (160 milligrams per day soy isoflavones)
Investigations
Low WBC
30.8%
8/26 • Number of events 8 • up to 3 years
Investigations
low Platelets
23.1%
6/26 • Number of events 6 • up to 3 years
Investigations
Low Hemoglobin
53.8%
14/26 • Number of events 14 • up to 3 years
Gastrointestinal disorders
Nausea
15.4%
4/26 • Number of events 4 • up to 3 years
Gastrointestinal disorders
Vomiting
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Anorexia
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
Alkaline phosphatase
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
Creatinine
11.5%
3/26 • Number of events 3 • up to 3 years
General disorders
"Incontinence, urinary"
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Hypertension
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Taste alteration
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Rigors/chills
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Fatigue
26.9%
7/26 • Number of events 7 • up to 3 years
Investigations
hyperglycemia
53.8%
14/26 • Number of events 14 • up to 3 years
Investigations
hypoglycemia
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
hypocalcemia
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
hyponatremia
15.4%
4/26 • Number of events 4 • up to 3 years
Investigations
hypoalbuminemia
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
hyperbilirubinemia
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
hypophosphatemia
15.4%
4/26 • Number of events 4 • up to 3 years
Gastrointestinal disorders
Constipation
23.1%
6/26 • Number of events 6 • up to 3 years
General disorders
Pain: Head/headache
11.5%
3/26 • Number of events 3 • up to 3 years
General disorders
Fever without neutropenia
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Erectile dysfunction
11.5%
3/26 • Number of events 3 • up to 3 years
General disorders
Urinary frequency/urgency
53.8%
14/26 • Number of events 14 • up to 3 years
General disorders
Renal/Genitourinary - Other
7.7%
2/26 • Number of events 2 • up to 3 years
Vascular disorders
Edema: limb
11.5%
3/26 • Number of events 3 • up to 3 years
General disorders
Dry mouth
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Pain: Abdomen
15.4%
4/26 • Number of events 4 • up to 3 years
General disorders
Pain: Joint
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Arthritis (non-septic)
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Pain: Back
7.7%
2/26 • Number of events 2 • up to 3 years
Gastrointestinal disorders
Flatulence
15.4%
4/26 • Number of events 4 • up to 3 years
Investigations
Glomerular filtration rate
7.7%
2/26 • Number of events 2 • up to 3 years
Investigations
"Cholesterol, serum-high"
7.7%
2/26 • Number of events 2 • up to 3 years
General disorders
Libido
30.8%
8/26 • Number of events 8 • up to 3 years
Investigations
Lymphopenia
19.2%
5/26 • Number of events 5 • up to 3 years
General disorders
Pain: Muscle
23.1%
6/26 • Number of events 6 • up to 3 years
General disorders
Pain: Extremity-limb
7.7%
2/26 • Number of events 2 • up to 3 years
Skin and subcutaneous tissue disorders
Allergic rhinitis
42.3%
11/26 • Number of events 11 • up to 3 years
Musculoskeletal and connective tissue disorders
"Muscle weakness, generalized or specific area (not due to neuropathy): Extremity-lower"
7.7%
2/26 • Number of events 2 • up to 3 years

Additional Information

K.C. Balaji, MD

Comprehensive Cancer Center of Wake Forest University

Phone: 336-716-5690

Results disclosure agreements

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