Clinical Biomarker of Paclitaxel-induced Peripheral Neuropathy

Who May Qualify: - Age \> 18 years - Willing to give willing to sign a consent form - Scheduled to receive neo-adjuvant or adjuvant paclitaxel treatment - Able to speak and understand Danish - Diagnosed with breast cancer - Paclitaxel naïve patients Who Should NOT Join This Trial: - Neurodegenerative diseases (e.g., neuropathy from another cause, previous apoplexy, disc herniation - Type 1 or 2 diabetes - Pregnant - Breastfeeding - Relapse of cancer diagnosis - Diagnosed with human weakened immune system virus (HIV) - Participation in other clinical trials where the dose of paclitaxel is changed, or the aim is to prevent neuropathic pain or decrease NFL level (except if the intervention is to use cooling gloves). - Previous treatment with neurotoxic chemotherapy - Chronic pain from another cause - Metastatic cancer Always talk to your doctor about whether this trial is right for you.