CYP3A4- substrater med smalt terapeutisk vindue Telzir må ikke administreres samtidig med lægemidler med smalt terapeutisk vindue hvis aktive stoffer er substrater for cytokrom P450 3A4 (CYP3A4).
CYP3A4 substrates with narrow therapeutic index Telzir must not be administered concurrently with medicinal products with narrow therapeutic windows containing active substances that are substrates of cytochrome P450 3A4 (CYP3A4).