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. Author manuscript; available in PMC: 2021 Aug 15.
Published in final edited form as: Clin Cancer Res. 2020 Dec 3;27(4):967–974. doi: 10.1158/1078-0432.CCR-20-3609

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