Clinical trials

This study will include up to 40 participants with Grade 2 or Grade 3 IDH1-mutant glioma who have undergone surgery and received vorasidenib as their only treatment, experienced radiographic disease progression on vorasidenib (confirmed by Blinded Independent Central Review \[BICR\] per modified Response Assessment in Neuro-Oncology \[RANO\] 2.0), and are not in need of immediate chemotherapy or radiotherapy.

This Phase 1 open-label trial aims to evaluate the effect of famotidine on the pharmacokinetics (PK), safety and tolerability of taletrectinib in healthy adult participants. To assess famotidine's impact on key PK parameters of taletrectinib and evaluate other PK parameters as well as safety endpoints. The study design: Part 1: Taletrectinib 600 mg administered under 2-hour fasting condition with three regimens: (Treatment A: Taletrectinib alone, Treatment B: Taletrectinib 2 h after single 40 mg famotidine. Treatment C: Taletrectinib dosed between two 20 mg famotidine doses). Part 2: Taletrectinib 400 mg administered with standard low-fat meal, followed by either Treatment B or C of famotidine co-administration.

This is a Phase 3, randomized, double-blind, placebo-controlled, multicenter study comparing the efficacy and safety of safusidenib versus placebo in participants with residual or recurrent Grade 2 glioma (oligodendroglioma or astrocytoma) with an IDH1 mutation who have undergone surgery as their only treatment and are not in need of immediate chemotherapy or radiotherapy.

This is a 3-part study. The purpose of Part 1 of the study is to evaluate the efficacy, safety, and pharmacokinetic (PK) characteristics of safusidenib in participants with recurrent/progressive IDH1-mutant World Health Organization (WHO) Grade 2 or Grade 3 glioma. The purpose of Part 2 will be to evaluate the efficacy of maintenance safusidenib treatment versus placebo in IDH1-mutant Grade 2 or Grade 3 astrocytoma with high-risk features or IDH1-mutant Grade 4 astrocytoma, following standard-of-care radiation or chemoradiation and adjuvant temozolomide. Part 2 will be randomized, double-blind, and placebo-controlled. The purpose of Part 3 will be to evaluate the efficacy of safusidenib in participants with residual or recurrent IDH1-mutant Grade 3 oligodendroglioma who have received surgery as their only treatment. Part 3 will be an open-label single-arm cohort and will enroll participants concurrently with Part 2.

The purpose of this phase 3 multicenter double-blind randomized study is to assess the use of taletrectinib in the early-stage non-small cell lung cancer (NSCLC). The study compares taletrectinib (study drug) versus placebo (sugar pill) in patients with ROS1-fusion positive stage IB, II, IIIA NSCLC. The study will evaluate if taletrectinib is better than placebo at preventing the participant's disease from coming back after the participant's lung tumor was removed.

This is a Phase 3, randomized, open-label, comparative, multicenter, international study for NSCLC patients whose tumor tissue exhibits ROS1 fusion positivity (i.e., ROS1+) and who have not previously received an ROS1-targeted TKI (i.e., ROS1-TKI-naïve). Approximately 194 ROS-1 TKI- naïve ROS1+NSCLC patients will be randomized in a 1:1 ration to one of 2 study arms: * Arm A: Taletrectinib monotherapy at 600 mg once daily (QD); * Arm B: Crizotinib monotherapy at 250 mg twice daily (BID). Each cycle duration will be 28 days. Participants will be stratified by the presence of intracranial metastases at baseline (Yes versus No) and prior chemotherapy use for locally advanced or metastatic disease (Yes versus No). For the purposes of stratification, prior chemotherapy is defined as completion of ≥1 cycle of chemotherapy in the locally advanced or metastatic setting. Participants will be treated until they experience progressive disease (PD) assessed by the BIRC, intolerable toxicity, or another discontinuation criterion is met. Crossover from control group (crizotinib) to taletrectinib is also permitted, at the Investigator's discretion with the Sponsor's approval, for qualifying participants who have experienced objective progression confirmed by the BIRC.