- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04879121
Larotrectinib for the Treatment of NTRK Amplification Positive, Locally Advanced or Metastatic Solid Tumors
A Phase II Basket Study of the Oral TRK Inhibitor Larotrectinib (BAY2757556) in Subjects With NTRK Amplification Positive and Pan-TRK Positive Tumors
Study Overview
Status
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVE:
I. To determine overall response rate (ORR) to larotrectinib sulfate (larotrectinib) in patients with advanced solid tumors harboring NTRK amplification and pan-TRK expression by immunohistochemistry (IHC), calculated as the proportion of subjects with confirmed complete (CR) or partial response (PR) as best response and as assessed by Response Evaluation Criteria in Solid Tumors (RECIST) version (v) 1.1 and Response Assessment in Neuro-Oncology (RANO) criteria in primary central nervous system (CNS) tumor.
SECONDARY OBJECTIVES:
I. To evaluate the duration of response (DOR) in subjects with CR or PR as best response.
II. To estimate the proportion of subjects with any tumor regression as best response.
III. To evaluate the growth modulation index (GMI) following initiation of larotrectinib.
IV. To evaluate overall (OS) and progression-free survival (PFS) following initiation of larotrectinib.
V. To evaluate the clinical benefit rate (CBR) based on the proportion of subjects with best response of CR, PR, or stable disease lasting >= 16 weeks following initiation of larotrectinib safety.
VI. To assess the safety profile and tolerability of larotrectinib.
EXPLORATORY OBJECTIVES:
I. To characterize NTRK1, NTRK2, and NTRK3 amplification by next-generation sequencing of tumor biopsies.
II. To characterize TRKA, TRKB, and TRKC signaling in fresh pre-treatment tumor biopsies, with the aim of elucidating TRK biology and modifiers of response to larotrectinib.
III. To characterize concurrently activated oncogenic pathways in fresh pre-treatment tumor biopsies, with the aim of elucidating TRK biology and modifiers of response to larotrectinib.
OUTLINE:
Patients receive larotrectinib sulfate orally (PO) twice daily (BID) on days 1-28. Cycles repeat every 28 days in the absence of unacceptable toxicity. Patients who experience disease progression and are deriving clinical benefit from larotrectinib may continue treatment per physician discretion.
After completion of study treatment, patients are followed up at 4 weeks, and then every 3 months for 2 years.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
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Texas
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Houston, Texas, United States, 77030
- Recruiting
- M D Anderson Cancer Center
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Contact:
- David S. Hong
- Phone Number: 713-563-1930
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Principal Investigator:
- David S. Hong
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- At least 16 years of age
- Locally-advanced or metastatic malignancy with an NTRK1, NTRK2, or NTRK3 gene amplification identified through molecular assays (such as IHC and any next-generation sequencing [NGS] platform, reference lab NGS, or in house NGS platform) as routinely performed at The University of Texas MD Anderson Cancer Center or other similarly-certified laboratories. The minimum level of amplification is 7 copies. This rationale of amplification level is based on data from MOCLIA at The University of Texas MD Anderson Cancer Center
- Must have received prior standard therapy appropriate for tumor type and stage of disease, or, in the opinion of the investigator, is unlikely to tolerate or derive clinically meaningful benefit from appropriate standard of care therapy
Must have at least one measurable lesion as defined by RECIST v1.1. Subjects with primary CNS tumors should meet the following criteria:
- Must have received prior treatment including radiation and/or chemotherapy, with radiation completed > 12 weeks prior to cycle 1 day 1 (C1D1) of therapy, as recommended or appropriate for the tumor type
- Must have >= 1 site of bi-dimensionally measurable disease (confirmed by magnetic resonance imaging [MRI] and evaluable by RANO), with the size of at least one of the measurable lesions >= 1 cm in each dimension
- Must have imaging study within 28 days before enrollment. If on steroid therapy, the dose must be stable for at least five days immediately before and during the imaging study
- Eastern Cooperative Oncology Group (ECOG) score =< 3. If enrolled with primary CNS tumor to be assessed by RANO, Karnofsky performance score (KPS) >= 70 %
- Archived tumor tissue. If archival tissue is unavailable, an on-study tumor biopsy should be attempted if it can be safely performed
- Serum aspartate aminotransferase (AST) and serum alanine aminotransferase (ALT) < 2.5 x upper limit of normal (ULN) or < 5 x ULN if liver function abnormalities are due to underlying malignancy
- Total bilirubin < 2.5 x ULN, except in cases of biliary obstruction. Subjects with a known history of Gilberts disease and an isolated elevation of indirect bilirubin are eligible
- Serum creatinine < 2.0 x ULN or estimated glomerular filtration rate >= 30 mL/minute using the Cockcroft-Gault formula
- Ability to comply with outpatient treatment, laboratory monitoring, and required clinic visits for the duration of study participation
- Willingness of men and women of reproductive potential to use two effective birth control methods, one used by the subject and another by his/her partner, for the duration of treatment and for 3 months following study completion
Exclusion Criteria:
- Investigational agent or anticancer therapy within 2 weeks prior to the planned start of larotrectinib or five half-lives, whichever is shorter, and without clinically significant toxicities from that therapy
- Prior progression while receiving approved or investigational tyrosine kinase inhibitors targeting TRK. However, subjects who received less than 28 days of such treatment and discontinued because of intolerance or toxicity are eligible
- Symptomatic or unstable brain metastases that needs corticosteroid usage. Subjects with asymptomatic brain metastases or primary CNS tumors are eligible
- Uncontrolled concurrent malignancy that would limit assessment of efficacy. Allowed diseases may include, but are not limited to in situ cancers of cervix, breast, or skin, superficial bladder cancer, limited-stage prostate cancer, and basal or squamous cancers of the skin
Active uncontrolled systemic bacterial, viral, or fungal infection, unstable cardiovascular disease or other systemic disease that would limit compliance with study procedures. Unstable cardiovascular disease is defined as:
- Persistently uncontrolled hypertension defined as systolic blood pressure (BP) > 150 mmHg and/or diastolic BP > 100 mmHg despite antihypertensive therapy
- Myocardial infarction within 3 months of screening
- Stroke within 3 months of screening
- Inability to discontinue treatment with a strong cytochrome P450 (CYP450), 3A4 (CYP3A4) inhibitor or inducer prior to start of treatment
- Pregnancy or lactation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (larotrectinib sulfate)
Patients receive larotrectinib sulfate PO BID on days 1-28.
Cycles repeat every 28 days in the absence of unacceptable toxicity.
Patients who experience disease progression and are deriving clinical benefit from larotrectinib may continue treatment per physician discretion.
|
Given PO
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall response
Time Frame: Up to 2 years post-treatment
|
Will be scored by Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.
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Up to 2 years post-treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Best overall response of confirmed complete response or partial response
Time Frame: Up to 2 years post-treatment
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Will be determined using RECIST version 1.1 or Response Assessment in Neuro-Oncology criteria, as appropriate to tumor type.
A bias-correcting estimate of the best overall response rate and its one-sided 90% confidence interval will be calculated using an exact inference method that appropriately accounts for Bayesian optimal phase II design.
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Up to 2 years post-treatment
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Duration of response
Time Frame: From the date complete response or partial response is first noted (whichever response is recorded first), to the date that recurrence or progressive disease is first documented or to date of death, assessed up to 2 years
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Will be calculated for subjects who achieve confirmed complete response or partial response, and Kaplan-Meier estimates, mean and median duration, and two-sided 95% confidence intervals will be generated.
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From the date complete response or partial response is first noted (whichever response is recorded first), to the date that recurrence or progressive disease is first documented or to date of death, assessed up to 2 years
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Growth modulation index
Time Frame: Up to 2 years post-treatment
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Will be defined as the ratio of time to progression (TTP) with nth line of therapy (TTPn) to the most recent prior line of therapy and summarized with mean, median, standard error, and two-sided 95% confidence interval.
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Up to 2 years post-treatment
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Progression-free survival
Time Frame: From initiation of larotrectinib to disease progression or death due to any cause, whichever occurs first, assessed up to 2 years
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Kaplan-Meier estimates, mean and median duration, and two-sided 95% confidence intervals will be generated.
In patients who have received prior therapy, corresponding Kaplan-Meier plots, mean and median duration with 95% confidence intervals will be used to compare the duration of progression-free survival following initiation of larotrectinib to that following the line of therapy immediately preceding larotrectinib.
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From initiation of larotrectinib to disease progression or death due to any cause, whichever occurs first, assessed up to 2 years
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Overall survival
Time Frame: From initiation of treatment to death from any cause, assessed up to 2 years
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Kaplan-Meier estimates, mean and median duration, and two-sided 95% confidence intervals will be generated.
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From initiation of treatment to death from any cause, assessed up to 2 years
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Clinical benefit rate
Time Frame: Up to 2 years post-treatment
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Will be defined as the proportion of subjects with best overall response of complete response, partial response, or stable disease lasting 16 or more weeks following initiation of treatment and summarized in percentages with two-sided 95% confidence intervals.
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Up to 2 years post-treatment
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Incidence of adverse events
Time Frame: Up to 4 weeks (after the final dose of the last cycle of treatment (between 21 and 35 days)
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Safety will be assessed by clinical review of all relevant parameters including adverse events, serious adverse events, laboratory values, vital signs, and electrocardiogram results.
Overall safety profiles will be provided along with tumor-specific profiles.
Treatment-emergent adverse events, defined as adverse events that start on or after the first administration of study drug, will be summarized based on the number and percentage of subjects experiencing the event, as defined by Medical Dictionary for Regulatory Activities system organ class and preferred term.
In the event a subject experiences repeat episodes of the same adverse event, then the event with the highest severity grade and strongest causal relationship to study drug will be used for purposes of incidence tabulations.
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Up to 4 weeks (after the final dose of the last cycle of treatment (between 21 and 35 days)
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Change in clinical safety laboratory values and vital signs
Time Frame: Baseline up to 2 years post-treatment
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Waterfall plots will be used to depict graphically for individual subjects the maximum percentage decrease from baseline in the sum of the longest diameters of target lesions.
Similarly, spider and swimmer plots will be used to display the change in tumor burden over time for individual subjects and the occurrence of clinical outcomes of interest (e.g., tumor response, disease progression, treatment discontinuation, death).
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Baseline up to 2 years post-treatment
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Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2020-0564 (Other Identifier: M D Anderson Cancer Center)
- NCI-2021-00338 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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