This mtd is taken forward into subsequent trials to establish the safety and efficacy of the drug product. Phase i trials define the initial stage of clinical investigation for novel therapeutic agents, designed to evaluate their safety and tolerability profiles while elucidating their pharmacokinetic and pharmacodynamic properties for the first time in humans and, in the case of anticancer agents, in patients with tumors [85] The pivotal aspect of a phase 1 oncology trial, assessing a new cancer treatment’s safety and dosage, revolves around determining the appropriate dose escalation given the observations of toxicity.
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These trials aim to determine the maximum tolerated dose (mtd) of a new drug or therapy
By systematically increasing the dose given to patient cohorts, researchers seek to identify the point at which a drug begins to produce unacceptable side effects while maintaining its therapeutic efficacy.
