Trial Outcomes & Findings for Flaxseed, Aromatase Inhibitors and Breast Tumor Characteristics (NCT NCT00612560)

NCT ID: NCT00612560

Last Updated: 2017-10-12

Results Overview

Mean percentage of cells expressing estrogen receptor (ER-beta)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

28 participants

Primary outcome timeframe

Biopsy/Week 1 and Surgical Resection/Week 2

Results posted on

2017-10-12

Participant Flow

Participant milestones

Participant milestones
Measure
Arm A - Flaxseed & Active Anastrazole
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Overall Study
STARTED
7
7
8
6
Overall Study
COMPLETED
7
7
8
6
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Flaxseed, Aromatase Inhibitors and Breast Tumor Characteristics

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Arm A - Flaxseed & Active Anastrazole
n=7 Participants
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
n=7 Participants
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
n=8 Participants
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
n=6 Participants
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Total
n=28 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
n=5 Participants
6 Participants
n=7 Participants
4 Participants
n=5 Participants
3 Participants
n=4 Participants
16 Participants
n=21 Participants
Age, Categorical
>=65 years
4 Participants
n=5 Participants
1 Participants
n=7 Participants
4 Participants
n=5 Participants
3 Participants
n=4 Participants
12 Participants
n=21 Participants
Age, Continuous
63 years
STANDARD_DEVIATION 8.5 • n=5 Participants
58 years
STANDARD_DEVIATION 7.5 • n=7 Participants
65 years
STANDARD_DEVIATION 6.6 • n=5 Participants
64 years
STANDARD_DEVIATION 7.6 • n=4 Participants
62 years
STANDARD_DEVIATION 7.6 • n=21 Participants
Sex: Female, Male
Female
7 Participants
n=5 Participants
7 Participants
n=7 Participants
8 Participants
n=5 Participants
6 Participants
n=4 Participants
28 Participants
n=21 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
1 Participants
n=21 Participants
Race (NIH/OMB)
White
7 Participants
n=5 Participants
6 Participants
n=7 Participants
8 Participants
n=5 Participants
6 Participants
n=4 Participants
27 Participants
n=21 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants

PRIMARY outcome

Timeframe: Biopsy/Week 1 and Surgical Resection/Week 2

Population: All treated and eligible patients with a large enough of a sample for analysis

Mean percentage of cells expressing estrogen receptor (ER-beta)

Outcome measures

Outcome measures
Measure
Arm A - Flaxseed & Active Anastrazole
n=7 Participants
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
n=6 Participants
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
n=4 Participants
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
n=6 Participants
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Expression of Estrogen Receptor (ER-beta)
Biopsy
67.1 percentage of cells
Standard Deviation 17.0
63.3 percentage of cells
Standard Deviation 10.3
45.0 percentage of cells
Standard Deviation 23.8
62.0 percentage of cells
Standard Deviation 13.0
Expression of Estrogen Receptor (ER-beta)
Surgical resection
45.7 percentage of cells
Standard Deviation 28.8
56.7 percentage of cells
Standard Deviation 23.4
46.7 percentage of cells
Standard Deviation 32.1
70 percentage of cells
Standard Deviation 30.9

PRIMARY outcome

Timeframe: Biopsy/Week 1 and Surgical Resection/Week 2

Population: All treated and eligible patients with a large enough of a sample for analysis

Mean percentage of cells expressing PR

Outcome measures

Outcome measures
Measure
Arm A - Flaxseed & Active Anastrazole
n=2 Participants
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
n=5 Participants
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
n=2 Participants
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
n=4 Participants
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Progesterone Receptor (PR) Expression
Biopsy
4 percentage of cells
Standard Deviation 1.4
3.5 percentage of cells
Standard Deviation 0.7
2 percentage of cells
4.7 percentage of cells
Standard Deviation 0.5
Progesterone Receptor (PR) Expression
Surgical resection
4.5 percentage of cells
Standard Deviation 0.7
2.4 percentage of cells
Standard Deviation 1.1
1 percentage of cells
Standard Deviation 1.4
3.5 percentage of cells
Standard Deviation 2.1

PRIMARY outcome

Timeframe: Biopsy/Week 1 and Surgical Resection/Week 2

Population: All treated and eligible patients with a large enough of a sample for analysis.

Mean percentage of cells expressing human epidermal growth factor receptor 2 (Her2)

Outcome measures

Outcome measures
Measure
Arm A - Flaxseed & Active Anastrazole
n=2 Participants
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
n=4 Participants
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
n=2 Participants
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
n=2 Participants
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Human Epidermal Growth Factor Receptor 2 (Her2) Expression
Biopsy
15 percentage of cells
Standard Deviation 7.0
40 percentage of cells
55 percentage of cells
Standard Deviation 63.6
Human Epidermal Growth Factor Receptor 2 (Her2) Expression
Surgical resection
0 percentage of cells
Standard Deviation 0
17.5 percentage of cells
Standard Deviation 16.6
17.5 percentage of cells
Standard Deviation 17.7
30 percentage of cells

SECONDARY outcome

Timeframe: Biopsy/Week 1 and Surgical Resection/Week 2

Population: All treated and eligible patients with a large enough of a sample for analysis

Mean serum level IGF-1(pg/ml)

Outcome measures

Outcome measures
Measure
Arm A - Flaxseed & Active Anastrazole
n=6 Participants
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
n=7 Participants
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
n=7 Participants
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
n=6 Participants
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Growth Hormone Serum Levels IGF-1
Biopsy
887.7 pg/ml
Standard Deviation 654.4
1044.2 pg/ml
Standard Deviation 700.4
959.1 pg/ml
Standard Deviation 408.6
1008.3 pg/ml
Standard Deviation 686.7
Growth Hormone Serum Levels IGF-1
Surgical resection
938.1 pg/ml
Standard Deviation 652.9
980.5 pg/ml
Standard Deviation 743.2
819.8 pg/ml
Standard Deviation 334.3
880.1 pg/ml
Standard Deviation 698.0

Adverse Events

Arm A - Flaxseed & Active Anastrazole

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Arm B - Flaxseed

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Arm C - Anastrozole

Serious events: 1 serious events
Other events: 5 other events
Deaths: 0 deaths

Arm D - Placebo

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Arm A - Flaxseed & Active Anastrazole
n=7 participants at risk
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
n=7 participants at risk
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
n=8 participants at risk
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
n=6 participants at risk
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Reproductive system and breast disorders
Breast haematoma
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6

Other adverse events

Other adverse events
Measure
Arm A - Flaxseed & Active Anastrazole
n=7 participants at risk
25 mg flaxseed per day and 1 mg anastrozole pill per day Anastrozole: 1 mg per day flaxseed: 25 g per day ground
Arm B - Flaxseed
n=7 participants at risk
Flaxseed 25 mg per day and 1 placebo pill per day flaxseed: 25 g per day ground
Arm C - Anastrozole
n=8 participants at risk
Anastrozole 1 mg pill per day Anastrozole: 1 mg per day
Arm D - Placebo
n=6 participants at risk
Placebo pill 1 per day Placebo: Placebo pill 1 per day
Cardiac disorders
Palpitations
0.00%
0/7
28.6%
2/7 • Number of events 10
0.00%
0/8
0.00%
0/6
Eye disorders
Vision blurred
0.00%
0/7
0.00%
0/7
25.0%
2/8 • Number of events 2
0.00%
0/6
Gastrointestinal disorders
Abdominal discomfort
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Gastrointestinal disorders
Abdominal distension
28.6%
2/7 • Number of events 6
28.6%
2/7 • Number of events 4
0.00%
0/8
16.7%
1/6 • Number of events 1
Gastrointestinal disorders
Constipation
42.9%
3/7 • Number of events 10
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Gastrointestinal disorders
Diarrhoea
28.6%
2/7 • Number of events 8
14.3%
1/7 • Number of events 2
0.00%
0/8
16.7%
1/6 • Number of events 2
Gastrointestinal disorders
Dyspepsia
14.3%
1/7 • Number of events 2
28.6%
2/7 • Number of events 8
0.00%
0/8
16.7%
1/6 • Number of events 1
Gastrointestinal disorders
Dysphagia
0.00%
0/7
14.3%
1/7 • Number of events 2
12.5%
1/8 • Number of events 1
0.00%
0/6
Gastrointestinal disorders
Flatulence
71.4%
5/7 • Number of events 12
57.1%
4/7 • Number of events 14
0.00%
0/8
33.3%
2/6 • Number of events 2
Gastrointestinal disorders
Nausea
0.00%
0/7
14.3%
1/7 • Number of events 6
25.0%
2/8 • Number of events 2
16.7%
1/6 • Number of events 2
General disorders
Asthenia
0.00%
0/7
14.3%
1/7 • Number of events 2
37.5%
3/8 • Number of events 3
50.0%
3/6 • Number of events 3
General disorders
Chills
0.00%
0/7
28.6%
2/7 • Number of events 10
12.5%
1/8 • Number of events 1
16.7%
1/6 • Number of events 1
General disorders
Fatigue
28.6%
2/7 • Number of events 6
0.00%
0/7
37.5%
3/8 • Number of events 7
83.3%
5/6 • Number of events 5
General disorders
Feeling abnormal
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
General disorders
Feeling cold
0.00%
0/7
28.6%
2/7 • Number of events 8
12.5%
1/8 • Number of events 1
16.7%
1/6 • Number of events 1
General disorders
Irritability
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 2
25.0%
2/8 • Number of events 2
16.7%
1/6 • Number of events 1
General disorders
Oedema peripheral
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 2
0.00%
0/8
0.00%
0/6
General disorders
Pain
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 2
0.00%
0/8
16.7%
1/6 • Number of events 1
General disorders
Pyrexia
0.00%
0/7
14.3%
1/7 • Number of events 2
0.00%
0/8
16.7%
1/6 • Number of events 1
Infections and infestations
Mastitis
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Infections and infestations
Pharyngitis
0.00%
0/7
14.3%
1/7 • Number of events 4
0.00%
0/8
0.00%
0/6
Injury, poisoning and procedural complications
Incision site pain
0.00%
0/7
14.3%
1/7 • Number of events 2
0.00%
0/8
0.00%
0/6
Injury, poisoning and procedural complications
Incision site pruritus
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Injury, poisoning and procedural complications
Procedural vomiting
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Investigations
Weight decreased
14.3%
1/7 • Number of events 2
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Investigations
Weight increased
14.3%
1/7 • Number of events 2
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Metabolism and nutrition disorders
Decreased appetite
0.00%
0/7
14.3%
1/7 • Number of events 2
12.5%
1/8 • Number of events 1
16.7%
1/6 • Number of events 1
Musculoskeletal and connective tissue disorders
Arthralgia
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Musculoskeletal and connective tissue disorders
Muscle spasms
0.00%
0/7
28.6%
2/7 • Number of events 6
0.00%
0/8
16.7%
1/6 • Number of events 1
Musculoskeletal and connective tissue disorders
Muscular weakness
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 2
12.5%
1/8 • Number of events 1
16.7%
1/6 • Number of events 1
Musculoskeletal and connective tissue disorders
Myalgia
28.6%
2/7 • Number of events 4
14.3%
1/7 • Number of events 2
25.0%
2/8 • Number of events 2
16.7%
1/6 • Number of events 1
Musculoskeletal and connective tissue disorders
Pain in extremity
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Nervous system disorders
Cognitive disorder
0.00%
0/7
14.3%
1/7 • Number of events 4
0.00%
0/8
0.00%
0/6
Nervous system disorders
Disturbance in attention
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 4
0.00%
0/8
16.7%
1/6 • Number of events 1
Nervous system disorders
Dizziness
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 2
25.0%
2/8 • Number of events 2
16.7%
1/6 • Number of events 1
Nervous system disorders
Dysgeusia
0.00%
0/7
14.3%
1/7 • Number of events 2
0.00%
0/8
16.7%
1/6 • Number of events 1
Nervous system disorders
Headache
28.6%
2/7 • Number of events 6
42.9%
3/7 • Number of events 8
12.5%
1/8 • Number of events 1
33.3%
2/6 • Number of events 2
Nervous system disorders
Hypoaesthesia
14.3%
1/7 • Number of events 2
28.6%
2/7 • Number of events 6
0.00%
0/8
50.0%
3/6 • Number of events 3
Nervous system disorders
Lethargy
14.3%
1/7 • Number of events 4
0.00%
0/7
0.00%
0/8
0.00%
0/6
Nervous system disorders
Somnolence
14.3%
1/7 • Number of events 2
28.6%
2/7 • Number of events 4
25.0%
2/8 • Number of events 3
33.3%
2/6 • Number of events 2
Nervous system disorders
Syncope
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Nervous system disorders
Tension headache
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Psychiatric disorders
Anxiety
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 2
25.0%
2/8 • Number of events 2
16.7%
1/6 • Number of events 1
Psychiatric disorders
Decreased interest
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
50.0%
3/6 • Number of events 3
Psychiatric disorders
Depressed mood
14.3%
1/7 • Number of events 2
0.00%
0/7
12.5%
1/8 • Number of events 1
16.7%
1/6 • Number of events 1
Psychiatric disorders
Disturbance in sexual arousal
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Psychiatric disorders
Insomnia
14.3%
1/7 • Number of events 2
28.6%
2/7 • Number of events 4
25.0%
2/8 • Number of events 2
33.3%
2/6 • Number of events 2
Psychiatric disorders
Libido decreased
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Psychiatric disorders
Loss of libido
0.00%
0/7
0.00%
0/7
12.5%
1/8 • Number of events 1
0.00%
0/6
Reproductive system and breast disorders
Breast pain
14.3%
1/7 • Number of events 2
0.00%
0/7
12.5%
1/8 • Number of events 1
16.7%
1/6 • Number of events 1
Reproductive system and breast disorders
Vaginal discharge
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Reproductive system and breast disorders
Vulvovaginal dryness
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Cough
0.00%
0/7
14.3%
1/7 • Number of events 6
0.00%
0/8
16.7%
1/6 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Dyspnoea
0.00%
0/7
14.3%
1/7 • Number of events 4
0.00%
0/8
50.0%
3/6 • Number of events 5
Skin and subcutaneous tissue disorders
Alopecia
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Skin and subcutaneous tissue disorders
Hyperhidrosis
0.00%
0/7
0.00%
0/7
0.00%
0/8
16.7%
1/6 • Number of events 1
Skin and subcutaneous tissue disorders
Night sweats
42.9%
3/7 • Number of events 8
28.6%
2/7 • Number of events 6
25.0%
2/8 • Number of events 2
33.3%
2/6 • Number of events 2
Skin and subcutaneous tissue disorders
Pruritus
14.3%
1/7 • Number of events 2
14.3%
1/7 • Number of events 4
12.5%
1/8 • Number of events 1
16.7%
1/6 • Number of events 1
Vascular disorders
Hot flush
28.6%
2/7 • Number of events 4
28.6%
2/7 • Number of events 4
37.5%
3/8 • Number of events 3
50.0%
3/6 • Number of events 3

Additional Information

Senior Administrator, Compliance - Clinical Research Services

Roswell Park Cancer Institute

Phone: 716-845-2300

Results disclosure agreements

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