Table 3:
Adverse events and Patient-reported Symptoms by Study Arm
| Low-dose tamoxifen (n=34) | Placebo (n=38) | P-value* | |
|---|---|---|---|
| N (%)* | N (%)* | ||
| Patient-reported symptoms | |||
| Arthralgia/arthritis | 6 (18%) | 5 (13%) | 0.7458 |
| Back pain | 7 (21%) | 4 (11%) | 0.3288 |
| Myalgias | 7 (21%) | 1 (3%) | 0.0227 |
| Malaise | 6 (18%) | 5 (13%) | 0.7458 |
| Hot flashes | 9 (27%) | 11 (29%) | 1.0000 |
| Night sweats | 7 (21%) | 6 (16%) | 0.7606 |
| Irregular menstruation | 9 (27%) | 6 (16%) | 0.3843 |
| Vaginal discharge | 8 (24%) | 5 (13%) | 0.3593 |
| Vaginal spotting/bleeding | 5 (15%) | 8 (21%) | 0.5512 |
| Breast pain | 5 (15%) | 3 (8%) | 0.4630 |
| Urinary incontinence/frequency/urgency | 7 (21%) | 10 (26%) | 0.5926 |
| Weight gain/ loss | 17 (50%) | 19 (50%) | 1.0000 |
| Insomnia | 4 (12%) | 7 (18%) | 0.5225 |
| Somnolence | 9 (27%) | 4 (11%) | 0.1241 |
| Fatigue | 10 (29%) | 3 (8%) | 0.0296 |
| Irritability | 6 (18%) | 6 (16%) | 1.0000 |
| Memory impairment | 6 (18%) | 2 (5%) | 0.1375 |
| Inability to concentrate | 7 (21%) | 3 (8%) | 0.1748 |
| Restlessness | 7 (21%) | 4 (11%) | 0.3288 |
| Paresthesia | 7 (21%) | 2 (5%) | 0.0746 |
| Mood swings | 5 (15%) | 4 (11%) | 0.7265 |
| Feelings of depression | 7 (21%) | 8 (21%) | 1.0000 |
| Diarrhea | 6 (18%) | 5 (13%) | 0.7458 |
| Constipation | 7 (21%) | 6 (16%) | 0.7606 |
| Heartburn | 9 (27%) | 7 (18%) | 0.5713 |
| Headaches | 8 (24%) | 6 (16%) | 0.5527 |
| Adverse Events** | |||
| Grades 3-4 Adverse Events | |||
| Any grade 3-4 adverse events | 4 (12%) | 7 (18%) | 0.5225 |
| Breast cancer | 1 (3%) | 3 (8%) | 0.6167 |
| Myocardial infarction | 2 (6%) | 2 (5%) | 1.0000 |
| Carotid artery occlusion | 1 (3%) | 0 (0%) | 0.4722 |
| Relapse of primary disease | 0 | 2 (5%) | 0.4945 |
| Grades 1-2 Adverse Events | |||
| Any grade 1-2 adverse events | 6 (18%) | 7 (18%) | 1.0000 |
| Pregnancy | 0 | 1 (3%) | 1.0000 |
| Cataract | 2 (6%) | 2 (5%) | 1.0000 |
| Basal cell carcinoma | 0 | 3 (8%) | 0.2418 |
| Endometriosis | 0 | 1 (3%) | 1.0000 |
| Thyroid nodules | 4 (12%) | 0 (0%) | 0.0451 |
P-value calculated using Fisher’s exact test.
Of note, no episodes of venous thromboembolism, or uterine cancer were observed