Taletrectinib Phase 2 Global Study in ROS1 Positive NSCLC

Running, not enrolling · Phase 2

Conditions studied: Non Small Cell Lung Cancer

In brief

The main purpose of the study is to evaluate safety and efficacy of taletrectinib (also known as AB-106 or DS-6051b) monotherapy in the treatment of advanced NSCLC.

Key facts

Study ID

NCT04919811

Run by

Nuvation Bio Inc.

People needed

217

Starts

2021-09-01

Expected to finish

2027-12-01

Last updated by the study team

2026-01-07

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Age ≥18 years (or ≥20 years as required by local regulations).
• Histologically or cytologically confirmed diagnosis of locally advanced (including inoperable Stage IIIA or IIIB NSCLC) or metastatic NSCLC (Cohorts 1-3, 5) or other solid tumors including NSCLC patients ineligible for other cohorts (Cohort 4).
• Evidence of ROS1 fusion by a validated assay as performed in Clinical Laboratory Improvement Amendments (CLIA)-certified or locally equivalent diagnostic laboratories. The molecular assays (i.e., Reverse Transcription Polymerase Chain Reaction [RT-PCR], Next-generation Sequencing [NGS]) are highly recommended.
• Sufficient tumor tissue is required for patients in Cohort 1 and for TKI-naïve patients in Cohort 5 in order to perform confirmatory ROS1 fusion testing at the designated central laboratories. For patients in Cohort 1 and for TKI-naïve patients in Cohort 5, an archival tumor tissue specimen should be available and collected prior to enrollment. If archival tumor tissue is unavailable, then a fresh biopsy must be performed. Tumor tissue for patients in other cohorts is highly recommended, and tumor tissue obtained after progression on the most recent prior ROS1 TKI therapy in these cohorts is preferred. Cytology samples (e.g., pleural effusion cell pellets) may be acceptable for patients in Cohorts 2-4, and patients in Cohort 5 that received prior treatment with TKI(s) having ROS1 activity.
• Patients with central nervous system (CNS) involvement, including leptomeningeal carcinomatosis, must be stable (either asymptomatic or previously treated and controlled are allowed:
• Seizure prophylaxis is permitted with non-enzyme inducing anti-epileptic drugs (non-EIAEDs).
• Corticosteroid treatment at a stable or decreasing dose within 7 days prior to the first dose of taletrectinib.
• Whole brain radiation therapy (WBRT) must be completed at least 14 days and stereotactic radiotherapy, stereotactic radiosurgery, or gamma knife radiotherapy at least 7 days prior to enrollment; the patient must be clinically stable for 7 days according to investigator judgement prior to first dose of taletrectinib.
• The patient can be either ROS1 TKI treatment naïve or treated with prior ROS1 TKI(s):
• o Cohort 1: Patients with locally advanced or metastatic ROS1-positive NSCLC. Systemic chemotherapy naïve or pretreated with 1 prior line of chemotherapy but never treated with any ROS1 TKI.
• o Cohort 2: Patients with locally advanced or metastatic ROS1-positive NSCLC. Prior treatment with 1 approved ROS1 TKI (crizotinib or entrectinib) and disease progression. The patient can be either chemotherapy naïve or has received 1 line of systemic chemotherapy for locally advanced or metastatic ROS1-positive NSCLC.
• Cohort 3: Patients with locally advanced or metastatic ROS1-positive NSCLC. Prior treatment with ≥2 TKIs with ROS1 activity and disease progression. The patient can be either chemotherapy naïve or has received 1 line of systemic chemotherapy for locally advanced or metastatic ROS1-positive NSCLC, patients with known ROS1 resistant mutations are preferred.
• Cohort 4: Patients with other ROS1-positive solid tumors, or NSCLC patients ineligible for Cohorts 1-3. Prior treatment with ≤3 TKIs with ROS1 activity. The patient can be either chemotherapy naïve or has received ≤2 lines of systemic chemotherapy for locally advanced or metastatic solid tumors.
• Cohort 5: Patients with locally advanced or metastatic ROS1-positive NSCLC. The patient can be either chemotherapy naïve or has received ≤2 lines of systemic chemotherapy line of systemic chemotherapy for locally advanced or metastatic ROS1-positive NSCLC. ROS1-TKI-naïve or pretreated with TKI(s) having ROS1 activity.
• At least 1 measurable disease per RECIST 1.1 as assessed by the investigator.
• Eastern Cooperative Oncology Group Performance Status: 0 or 1.
• Patient with a life expectancy ≥12 weeks based on the judgement of investigator.
• Patients with adequate organ function meeting the following criteria:
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT): ≤3.0 × upper limit of normal (ULN) (or ≤5.0 × ULN, for patients with concurrent liver metastases)
• Serum total bilirubin: ≤1.5 × ULN (≤3.0 × ULN for patients with Gilbert syndrome or if liver function abnormalities are due to underlying malignancy)
• Absolute neutrophil count: ≥1,500/μL
• Platelet count: ≥100,000/μL
• Hemoglobin: ≥9.0 g/dL
• Serum creatinine ≤1.5 × ULN and estimated creatinine clearance (CLcr) ≥45 mL/min as calculated using the method standard for the institution (e.g., Cockcroft - Gault Equation)
• Males and/or females who meet any of the following criteria:

You may not qualify if…

• Treatment with small molecule anticancer therapy including other investigational agents or cytotoxic systemic anticancer therapy within 2 weeks (or 5 half-lives of the compound, whichever is shorter) prior to the first dose of taletrectinib; or treatment with monoclonal antibodies, including immune checkpoint inhibitors within 4 weeks before the first dose of taletrectinib.
• Major surgical procedure, open biopsy, or significant traumatic injury ≤4 weeks before the first dose of taletrectinib.
• Note: Placement of vascular access device is not considered major surgery. Other minor surgical procedures, such as catheter placement or minimally invasive biopsy, are allowed.
• Radiation outside the chest and brain <7 days prior to C1D1.
• Have been diagnosed with another primary malignancy other than NSCLC except for adequately treated non-melanoma skin cancer or cervical cancer in situ; definitively treated non-metastatic prostate cancer; or patients with another primary malignancy who are definitively relapse-free with at least 3 years elapsed since the diagnosis of the other primary malignancy.
• Adverse events due to prior therapy are unresolved to ≤ CTCAE Grade 1 or has not returned to baseline, by the first dose of taletrectinib except for AEs not constituting a safety risk to the patient based on the judgment of investigators.
• Patients with untreated spinal cord compression caused by tumor and/or cancerous meningitis.
• History or evidence of interstitial fibrosis, interstitial lung disease or drug-induced pneumonitis (Excluding clinically insignificant or asymptomatic post radiation pneumonitis).
• Any gastrointestinal disorders that may affect absorption of oral medications.
• 9. Active and clinically significant bacterial, fungal, or viral infection including hepatitis B virus (HBV), hepatitis C virus (HCV), or severe acute respiratory syndrome coronavirus 2 (SARS CoV 2), known human immunodeficiency virus (HIV) or acquired immunodeficiency syndrome (AIDS) related illness. Note that the following are permitted:
• ○ Patients treated for hepatitis C (HCV) or HIV with no detectable viral load; for at least 1 month prior to the first dose of taletrectinib.
• Note: caution with drug drug interactions of concomitant anti HIV agents and CYP3A substrates.
• ○ Patients with known hepatitis B (HBV) infections:
• With past or resolved HBV infection (defined as the presence of hepatitis B core antibody [HBcAb] and absence of hepatitis B surface antigen [HBsAg]); or
• With inactive HBV carrier state (defined as HBsAg positive, with normal ALT, and HBV DNA <2,000 IU/mL or <10,000 copies/mL).
• Note: Please consider that, for patients in an inactive HBV carrier state or with a resolved HBV infection, there may be a risk of HBV reactivation, and anti HBV prophylaxis should be considered.
• Clinically significant cardiovascular diseases within 3 months prior to the first dose of taletrectinib: myocardial infarction, severe/unstable angina, coronary/peripheral endovascular treatment, heart failure or cerebrovascular disorder including transient ischemic attack.
• Ongoing cardiac dysrhythmias of ≥ CTCAE Grade 2, uncontrolled atrial fibrillation of any grade, or QT interval corrected for heart rate by Fredericia's formula (QTcF) >470 milliseconds, or symptomatic bradycardia <45 beats per minute; patient has family or medical history of long QT syndrome.
• Pregnancy or lactation/breastfeeding. 13. Use of food or drugs that are known potent cytochrome P450 3A4/5 (CYP3A4/5) inhibitors or inducers or P-glycoprotein inhibitors or inducers within 14 days prior to the first dose of study treatment and while on treatment.
• Administration of agents with potential QT interval prolonging effect within 14 days prior to first dose of study treatment and while on treatment.
• Patients with other severe medical or mental diseases in whom the risk is increased by participation to the study or treatment with study treatment in the opinion of the investigator.

Where it is running

• The Oncology Institute of Hope and Innovation — Glendale, California, United States
• Moores Cancer Center at UC San Diego — La Jolla, California, United States
• Keck Medicine of University of Southern California — Los Angeles, California, United States
• UCI Medical Center — Orange, California, United States
• Ventura County Hematology-Oncology Specialists — Oxnard, California, United States
• SCRI - Florida Cancer Specialists South — Fort Meyers, Florida, United States
• Memorial Cancer Institute at Memorial Hospital East — Hollywood, Florida, United States
• Cancer Specialists of North Florida — Jacksonville, Florida, United States
• Memorial Cancer Institute at Memorial Hospital West — Pembroke Pines, Florida, United States
• SCRI - Hematology Oncology Clinic — Baton Rouge, Louisiana, United States
• Mayo Clinic — Rochester, Minnesota, United States
• Center for Cancer Research — Brick, New Jersey, United States
• Cleveland Clinic Foundation — Cleveland, Ohio, United States
• SCRI - Tennessee Oncology — Nashville, Tennessee, United States
• Texas Oncology, P.A. — Dallas, Texas, United States
• Renovatio Clinical — El Paso, Texas, United States
• MD Anderson Cancer Center — Houston, Texas, United States
• Renovatio Clinical — The Woodlands, Texas, United States
• Northwest Medical Specialties, PLLC — Tacoma, Washington, United States
• Princess Margaret Cancer Centre — Toronto, Ontario, Canada
• McGill University Health Centre Research Institute — Montreal, Quebec, Canada
• Beijing Cancer Hospital — Beijing, Beijing Municipality, China
• The First Affiliated Hospital of Zhengzhou University — Zhengzhou, Henan, China
• Shanghai Pulmonary Hospital — Shanghai, Shanghai Municipality, China
• Beverly Hills Cancer Center — Beverly Hills, California, United States

Full record on ClinicalTrials.gov

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