Docetaxel
Mechanism :
Chemotherapy agent that Inhibits DNA, RNA, and protein synthesis by inhibiting depolymerization of microtubules.
Indication :
- Refractory solid tumor, ongoing Phase I clinical trials.
Contraindications :
• Hypersensitivity reaction.
• Solid tumor with an absolute neutrophil count less than 1500/mm3
Women should avoid pregnancy at least 6 months after the last dose because of the risk of teratogenic potential.
Due to the potential risk to the child, the drug should be discontinued for at least 1 week, and then can start breastfeeding.
Dosing :
In adolescents and children(Phase I clinical trial).
Heavily pretreated: intravenous 65 mg/m2 every 3 weeks.
Less heavily pretreated: intravenous: 125 mg/m2 over 1 hour.
Adverse Effect :
Hair loss, Pancytopenia, Asthenia, increased risk of infections, fever, hypersensitivity, nausea, vomiting, sensory neuropathy, fluid retention, hepatotoxicity, and diarrhea.
Interaction :
• Apalutamide, enzalutamide: decreases the effect by affecting CYP3A4 metabolism.
• Chloramphenicol, fexinidazolel, idelalisib, itraconazole, lonafarnib, nefazodone, tucatinib, voxelotor: increases level by metabolism.
• Deferiprone, influenza virus vaccine quadrivalent, adjuvanted, influenza virus vaccine trivalent, adjuvanted: antagonistic action
• Erdafitinib, lasmiditan, palifermin, quinidine, ropeginterferon alfa 2b, selinexor, tepotinib: Increase the level of docetaxel.
• Sotorasib: decrease the level.
Hepatic Dose :
Avoid use if high bilirubin, AST/ALT is 1.5x normal, and AP 2.5x normal.
Dose reduction if isolated AST/ALT is 1.5x.