Augtyro Drug Information
Generic name: REPOTRECTINIB
Kinase Inhibitor [EPC]
Uses of Augtyro
ROS1 -Positive Non-Small Cell Lung Cancer AUGTYRO is indicated for the treatment of adult patients with locally advanced or metastatic ROS1 -positive non-small cell lung cancer (NSCLC).
NTRK Gene Fusion-Positive Solid Tumors AUGTYRO is indicated for the treatment of adult and pediatric patients 12 years of age and older with solid tumors that: • have a neurotrophic tyrosine receptor kinase ( NTRK ) gene fusion, • are locally advanced or metastatic or where surgical resection is likely to result in severe morbidity, and • have progressed following treatment or have no satisfactory alternative therapy. This indication is approved under accelerated approval based on overall response rate and duration of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial(s).
Dosage & Administration of Augtyro
Patient Selection NSCLC
Select patients for the treatment of locally advanced or metastatic NSCLC with AUGTYRO based on the presence of ROS1 rearrangement(s) in tumor specimens. An FDA-approved test to detect ROS1 rearrangements for selecting patients for treatment with AUGTYRO is not currently available. Solid Tumors Select patients for the treatment of solid tumors with AUGTYRO based on the presence of NTRK1/2/3 rearrangements in tumor specimens.
Important Information Prior to Initiating AUGTYRO Prior to initiating AUGTYRO, discontinue strong and moderate CYP3A inhibitors for 3 to 5 elimination half-lives of the CYP3A inhibitor.
Recommended Evaluation and Testing Before Initiating AUGTYRO Prior to initiation of AUGTYRO, evaluate: • liver function tests including bilirubin • uric acid level
Recommended Dosage
The recommended dosage of AUGTYRO for adult and pediatric patients 12 years of age and older is 160 mg taken orally once daily with or without food for 14 days, then increase to 160 mg twice daily and continue until disease progression or unacceptable toxicity.
Dosage Modifications for Adverse Reactions
The recommended dosage reductions of AUGTYRO for the management of adverse reactions are provided in Table 1. Table 2: Recommended Interstitial Lung Disease (ILD)/Pneumonitis
Administration Take AUGTYRO at approximately the same time each day with or without food. Swallow AUGTYRO capsules whole. Do not open, chew, crush, or dissolve the capsule prior to swallowing.
Do not take any AUGTYRO capsules that are broken, cracked, or damaged. If a dose of AUGTYRO is missed or if vomiting occurs at any time after taking a dose, skip the dose and resume AUGTYRO at its regularly scheduled time.
| Dose | Dose Reduction | |
|---|---|---|
| First | Second | |
| 160 mg Once Daily | 120 mg Once Daily | 80 mg Once Daily |
| 160 mg Twice Daily | 120 mg Twice Daily | 80 mg Twice Daily |
| *Graded per Common Terminology Criteria for Adverse Events v4.03 | ||
| Adverse Reaction | Severity* | Dosage Modification |
| Central Nervous System Effects [see Warnings and Precautions (5.1) ] | Intolerable Grade 2 | • Withhold AUGTYRO until ≤Grade 1 or baseline. • Resume at same or reduced dose, as clinically appropriate. |
| Grade 3 | • Withhold AUGTYRO until ≤Grade 1 or baseline. • Resume at reduced dose. | |
| Grade 4 | • Permanently discontinue AUGTYRO. | |
| Interstitial Lung Disease (ILD)/Pneumonitis [see Warnings and Precautions (5.2) ] | Any Grade | • Withhold AUGTYRO if ILD/pneumonitis is suspected. • Permanently discontinue if ILD/pneumonitis is confirmed. |
| Hepatotoxicity [see Warnings and Precautions (5.3) ] | Grade 3 | • Withhold AUGTYRO until ≤Grade 1 or baseline. • Resume at same dose if resolution occurs within 4 weeks. • Resume at a reduced dose for recurrent Grade 3 events that resolve within 4 weeks. |
| Grade 4 | • Withhold AUGTYRO until ≤Grade 1 or baseline. • Resume at reduced dose. • Permanently discontinue if adverse reaction does not resolve within 4 weeks. • Permanently discontinue for recurrent Grade 4 events. | |
| ALT or AST greater than 3 times ULN with concurrent total bilirubin greater than 1.5 times ULN (in the absence of cholestasis or hemolysis) | • Permanently discontinue AUGTYRO. | |
| Creatine Phosphokinase (CPK) Elevation [see Warnings and Precautions (5.4) ] | CPK elevation greater than 5 times ULN | • Withhold until recovery to baseline or to less than or equal to 2.5 times ULN, then resume at same dose. |
| CPK elevation greater than 10 times ULN or second occurrence of CPK elevation of greater than 5 times ULN | • Withhold until recovery to baseline or to less than or equal to 2.5 times ULN, then resume at reduced dose. | |
| Hyperuricemia [see Warnings and Precautions (5.5) ] | Grade 3 or Grade 4 | • Withhold AUGTYRO until improvement of signs or symptoms. • Resume AUGTYRO at same or reduced dose. |
| Other Clinically Relevant Adverse Reactions [see Adverse Reactions (6.1) ] | Intolerable Grade 2 or Grade 3 or Grade 4 | • Withhold AUGTYRO until ≤Grade 1 or baseline. • Resume at the same or reduced dose if resolution occurs within 4 weeks. • Permanently discontinue if adverse reaction does not resolve within 4 weeks. • Permanently discontinue for recurrent Grade 4 events. |
Side Effects of Augtyro
Clinical Trials Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates reported in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The pooled safety population described in WARNINGS AND PRECAUTIONS and below reflects exposure to AUGTYRO in 426 patients with ROS1 -positive NSCLC (n=320), NTRK1/2/3 -positive solid tumors (n=104), or other solid tumors (n=2) in TRIDENT-1. Patients received AUGTYRO at a dose of 160 mg orally once daily for the first 14 days, then increased to 160 mg orally twice daily until disease progression or unacceptable toxicity.
Eligible patients had an ECOG status of ≤1. Patients with a history of ILD, drug-related pneumonitis, significant, uncontrolled, active cardiovascular disease, or prolonged QTc interval were excluded from enrollment in this trial. Forty-eight percent of patients were exposed to AUGTYRO for at least 6 months, and 28% were exposed for greater than 1 year.
Serious adverse reactions occurred in 35% of patients who received AUGTYRO. Fatal adverse reactions occurred in 3.5% of patients who received AUGTYRO, including pneumonia, pneumonia aspiration, cardiac arrest, sudden cardiac death, cardiac failure, hypoxia, dyspnea, respiratory failure, tremor, and disseminated intravascular coagulation. Permanent discontinuation of AUGTYRO due to an adverse reaction occurred in 7% of patients.
There were no specific adverse reactions that accounted for ≥1% of permanent discontinuations. Dosage interruptions of AUGTYRO due to an adverse reaction occurred in 50% of patients. Adverse reactions that required dosage interruption in ≥2% of patients were dizziness, dyspnea, muscular weakness, ataxia, pneumonia, peripheral neuropathy, anemia, and vomiting.
Dose reductions of AUGTYRO due to an adverse reaction occurred in 38% of patients. Adverse reactions that required dosage reductions in ≥2% of patients included dizziness, ataxia, muscular weakness, peripheral neuropathy, and cognitive impairment. The most common (≥20%) adverse reactions that occurred in patients receiving AUGTYRO were dizziness, dysgeusia, peripheral neuropathy, constipation, dyspnea, fatigue, ataxia, cognitive impairment, muscular weakness and nausea.
Table 3 summarizes the adverse reactions that occurred in TRIDENT-1. Table 4 summarizes the laboratory abnormalities in TRIDENT-1. Table 4: Laboratory Abnormalities (≥20%) that Worsened from Baseline in Patients with ROS1-Positive NSCLC or NTRK-Positive Solid Tumors Who Received AUGTYRO in TRIDENT-1
| 1 Based on NCI CTCAE v4.03 | ||
| a Includes terms dizziness, vertigo, dizziness postural, dizziness exertional, vertigo positional | ||
| b Includes terms dysgeusia, ageusia, anosmia, hypogeusia | ||
| c Includes terms neuralgia, neuropathy peripheral, peripheral sensory neuropathy, dysesthesia, peripheral motor neuropathy, polyneuropathy, paresthesia, hypoesthesia, hyperesthesia | ||
| d Includes terms ataxia, gait disturbance, balance disorder, cerebellar ataxia and coordination abnormal | ||
| e Includes terms memory impairment, disturbance in attention, cognitive disorder, confusional state, amnesia, attention deficit hyperactivity disorder, delirium, altered state of consciousness, aphasia, delusion, depressed level of consciousness, hallucination, mental status changes, neurological decompensation | ||
| f Includes terms headache, migraine, tension headache | ||
| g Includes terms dyspnea and dyspnea exertional | ||
| h Includes terms productive cough, cough, and upper-airway cough syndrome | ||
| i Includes terms pneumonia, pneumonia aspiration, lower respiratory tract infection, pneumonia viral, pneumonia bacterial, lower respiratory tract infection bacterial, pneumonia klebsiella | ||
| j Includes terms fatigue and asthenia | ||
| k Includes terms generalized edema, periorbital edema, localized edema, face edema, edema peripheral, edema, eye edema, scrotal edema | ||
| l Includes terms myalgia, myositis, musculoskeletal discomfort, musculoskeletal pain | ||
| m Includes terms vision blurred, dry eye, visual impairment, visual field defect, cataract, conjunctivitis, eye pain, photophobia, photosensitivity reaction, visual acuity reduced, vitreous floaters, blepharospasm, color blindness, diplopia, eye hematoma, eye swelling, eyelid disorder, eyelid injury, eyelids pruritus, glaucoma, night blindness, ophthalmic herpes zoster | ||
| Adverse Reaction 1 | AUGTYRO N=426 | |
| All Grades (%) | Grade 3 or 4 (%) | |
| Nervous System Disorders | ||
| Dizziness a | 65 | 2.8 |
| Dysgeusia b | 54 | 0 |
| Peripheral neuropathy c | 49 | 1.4 |
| Ataxia d | 28 | 0.5 |
| Cognitive impairment e | 25 | 0.9 |
| Headache f | 19 | 0 |
| Gastrointestinal Disorders | ||
| Constipation | 38 | 0.2 |
| Nausea | 20 | 0.7 |
| Diarrhea | 14 | 0.7 |
| Vomiting | 12 | 1.2 |
| Respiratory, Thoracic, and Mediastinal Disorders | ||
| Dyspnea g | 30 | 6 |
| Cough h | 18 | 0.2 |
| Pneumonia i | 11 | 6 |
| General Disorders | ||
| Fatigue j | 30 | 1.2 |
| Edema k | 15 | 0.5 |
| Decreased appetite | 11 | 0.2 |
| Musculoskeletal and Connective Tissue Disorders | ||
| Muscular weakness | 20 | 2 |
| Myalgia l | 13 | 0.7 |
| Metabolism and Nutritional | ||
| Increased weight | 16 | 3 |
| Eye Disorders | ||
| Vision disorders m | 12 | 0.5 |
| Laboratory Abnormality 1 | AUGTYRO 2 N=426 | |
|---|---|---|
| All Grades (%) | Grade 3 or 4 (%) | |
| 1 Based on NCI CTCAE v4.03 | ||
| 2 The denominator used to calculate the rate varied from 233 to 423 based on the number of patients with a baseline value and at least one post-treatment value. | ||
| Hematology | ||
| Decreased hemoglobin | 79 | 8.4 |
| Decreased lymphocytes | 43 | 10 |
| Decreased neutrophils | 34 | 9 |
| Increased activated partial thromboplastin time | 26 | 0.3 |
| Increased INR | 24 | 0 |
| Chemistry | ||
| Increased creatine phosphokinase | 61 | 7 |
| Increased gamma glutamyl transferase | 50 | 13 |
| Increased aspartate aminotransferase | 41 | 2.9 |
| Increased alanine aminotransferase | 38 | 3.3 |
| Increased sodium | 33 | 0.2 |
| Increased alkaline phosphatase | 29 | 2.1 |
| Increased glucose | 26 | 2.4 |
| Increased urate | 23 | 12 |
| Decreased phosphate | 22 | 6 |
| Increased potassium | 22 | 0.7 |
| Decreased glucose | 20 | 0.2 |
Warnings & Cautions for Augtyro
Central Nervous System Adverse Reactions AUGTYRO can cause central nervous system adverse reactions. Among the 426 patients who received AUGTYRO in Study TRIDENT-1, a broad spectrum of central nervous system (CNS) adverse reactions including dizziness, ataxia, and cognitive disorders occurred in 77% of patients, with Grade 3 or 4 events occurring in 4.5% of patients. Dizziness, including vertigo, occurred in 65% of patients; Grade 3 dizziness occurred in 2.8% of patients.
The median time to onset was 7 days (1 day to 1.4 years). Dose interruption was required in 9% of patients, and 11% required dose reduction of AUGTYRO due to dizziness. Ataxia, including gait disturbance and balance disorder, occurred in 28% of patients; Grade 3 ataxia occurred in 0.5% of patients.
Dose interruption was required in 5% of patients, 8% required dose reduction, and one patient (0.2%) permanently discontinued AUGTYRO due to ataxia. Cognitive impairment, including memory impairment and disturbance in attention, occurred in 25% of patients. Dose interruption was required in 2% of patients, 2.1% required dose reduction, and 0.5% patients permanently discontinued AUGTYRO due to cognitive adverse reactions.
Mood disorders occurred in 6% of patients. Dose interruption was required in 0.2% of patients and 0.2% of patients required a dose reduction due to mood disorders. Sleep disorders including insomnia and hypersomnia occurred in 18% of patients.
The incidences of CNS adverse reactions observed were similar in patients with and without CNS metastases. Advise patients and caregivers of the risk of CNS adverse reactions with AUGTYRO. Advise patients not to drive or use machines if they are experiencing CNS adverse reactions.
Withhold and then resume at same or reduced dose upon improvement, or permanently discontinue AUGTYRO based on severity.
Interstitial Lung Disease/Pneumonitis AUGTYRO can cause interstitial lung disease (ILD)/pneumonitis. The median time to onset was 45 days (19 days to 0.9 years). Dose interruption was required in 1.4% of patients, 0.5% of patients required dose reduction, and 1.1% of patients permanently discontinued AUGTYRO due to ILD/pneumonitis.
Monitor patients for new or worsening pulmonary symptoms indicative of ILD/pneumonitis. Immediately withhold AUGTYRO in patients with suspected ILD/pneumonitis and permanently discontinue AUGTYRO if ILD/pneumonitis is confirmed.
Hepatotoxicity AUGTYRO can cause hepatotoxicity
The median time to onset of increased ALT or AST was 15 days (range: 1 day to 1.9 years). Increased ALT or AST leading to dose interruptions or reductions occurred in 2.8% and 1.2% of patients, respectively. Hyperbilirubinemia leading to dose interruptions occurred in 0.5%.
Monitor liver function tests, including ALT, AST and bilirubin, every 2 weeks during the first month of treatment, then monthly thereafter and as clinically indicated.
Myalgia with Creatine Phosphokinase Elevation AUGTYRO can cause myalgia with or without creatine phosphokinase (CPK) elevation. Median time to onset of myalgia was 19 days (range: 1 day to 2 years). Concurrent increased CPK within a 7-day window was observed in 3.7% of patients.
AUGTYRO was interrupted in one patient with myalgia and concurrent CPK elevation. Advise patients to report any unexplained muscle pain, tenderness, or weakness. Monitor serum CPK levels during AUGTYRO treatment and monitor CPK levels every 2 weeks during the first month of treatment and as needed in patients reporting unexplained muscle pain, tenderness, or weakness.
Initiate supportive care as clinically indicated.
Hyperuricemia AUGTYRO can cause hyperuricemia
One patient without pre-existing gout required urate-lowering medication. Monitor serum uric acid levels prior to initiating AUGTYRO and periodically during treatment. Initiate treatment with urate-lowering medications as clinically indicated.
Skeletal Fractures AUGTYRO can cause skeletal fractures. Among 426 adult patients who received AUGTYRO, fractures occurred in 2.3%. Some fractures occurred at sites of disease and prior radiation therapy.
The median time to fracture was 71 days (range: 31 days to 1.4 years). AUGTYRO was interrupted in 0.3% of patients. Of 26 evaluable patients in an ongoing open-label study in pediatric patients, fractures occurred in one 12-year-old patient (ankle/foot) and one 10-year-old patient (stress fracture).
AUGTYRO was interrupted in both patients. AUGTYRO is not approved for use in pediatric patients less than 12 years of age. Promptly evaluate patients with signs or symptoms (e.g., pain, changes in mobility, deformity) of fractures.
There are no data on the effects of AUGTYRO on healing of known fractures and risk of future fractures.
Embryo-Fetal Toxicity Based on literature reports in humans with congenital mutations leading to changes in tropomyosin receptor tyrosine kinase (TRK) signaling, findings from animal studies, and its mechanism of action, AUGTYRO can cause fetal harm when administered to a pregnant woman. Oral administration of repotrectinib to pregnant rats during the period of organogenesis resulted in fetal malformations at doses approximately 0.3 times the recommended 160 mg twice daily dose based on body surface area (BSA). Advise pregnant women of the potential risk to a fetus.
Advise females of reproductive potential to use effective non-hormonal contraception during treatment with AUGTYRO and for 2 months following the last dose, since AUGTYRO can render some hormonal contraceptives ineffective. Advise male patients with female partners of reproductive potential to use effective contraception during treatment with AUGTYRO and for 4 months after the last dose.
Drug Interactions with Augtyro
Effects of Other Drugs on AUGTYRO Strong and Moderate CYP3A Inhibitors Avoid concomitant use with strong or moderate CYP3A inhibitors. Concomitant use of AUGTYRO with a strong or a moderate CYP3A inhibitor may increase repotrectinib exposure, which may increase the incidence and severity of adverse reactions of AUGTYRO. Discontinue CYP3A inhibitors for 3 to 5 elimination half-lives of the CYP3A inhibitor prior to initiating AUGTYRO.
P-gp Inhibitors Avoid concomitant use with P-gp inhibitors. Concomitant use of AUGTYRO with a strong or moderate CYP3A inducer may decrease repotrectinib plasma concentrations, which may decrease efficacy of AUGTYRO.
Effects of AUGTYRO on Other Drugs Certain CYP3A4 Substrates
Avoid concomitant use unless otherwise recommended in the Prescribing Information for CYP3A substrates, where minimal concentration changes can cause reduced efficacy. If concomitant use is unavoidable, increase the CYP3A4 substrate dosage in accordance with approved product labeling. Repotrectinib is a CYP3A4 inducer.
Concomitant use of repotrectinib decreases the concentration of CYP3A4 substrates, which can reduce the efficacy of these substrates. Contraceptives Repotrectinib is a CYP3A4 inducer, which can decrease progestin or estrogen exposure to an extent that could reduce the effectiveness of hormonal contraceptives. Avoid concomitant use of AUGTYRO with hormonal contraceptives.
Advise females of reproductive potential to use an effective nonhormonal contraceptive.
Pregnancy Safety for Augtyro
Pregnancy Risk Summary Based on literature reports in humans with congenital mutations leading to changes in TRK signaling, findings from animal studies, and its mechanism of action, AUGTYRO can cause fetal harm when administered to a pregnant woman. There are no available data on AUGTYRO use in pregnant women. Oral administration of repotrectinib to pregnant rats during the period of organogenesis resulted in fetal malformations at doses approximately 0.3 times the recommended dose of 160 mg twice daily based on BSA (see Data).
Advise pregnant women of the potential risk to a fetus. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is respectively. Data Human Data Published reports of individuals with congenital mutations in TRK pathway proteins suggest that decreases in TRK-mediated signaling are correlated with obesity, developmental delays, cognitive impairment, insensitivity to pain, and anhidrosis.
Animal Data In an embryo-fetal development study, once daily oral administration of repotrectinib to pregnant rats during the period of organogenesis from gestation day 6 to 17 resulted in maternal effects of increased body weight and skin abrasions/ulcerations at doses ≥6 mg/kg, fetal malformations of malrotated hindlimbs and lower fetal body weights at doses ≥12 mg/kg. No embryolethality was observed.
Pediatric Use of Augtyro
Pediatric Use The safety and effectiveness of AUGTYRO in pediatric patients with ROS1 -positive NSCLC have not been established. The safety and effectiveness of AUGTYRO have not been established in pediatric patients younger than 12 years of age with solid tumors who have an NTRK gene fusion. The safety and effectiveness of AUGTYRO for the treatment of locally advanced or metastatic NTRK -positive solid tumors have been established in pediatric patients 12 years of age or older.
Use of AUGTYRO in this age group is supported by evidence from an adequate and well-controlled study in adult patients with additional pharmacokinetic and safety data in pediatric patients aged 12 years and older. This includes data demonstrating that the exposure of repotrectinib in pediatric patients 12 years of age and older is expected to result in similar safety and efficacy to that of adults, and that the course of locally advanced or metastatic NTRK -positive solid tumors is sufficiently similar in adults and pediatric patients 12 years of age or older to allow extrapolation of data in adult to pediatric patients 12 years of age or older. Juvenile Animal Data Daily oral administration of repotrectinib to juvenile rats for 8 weeks starting on postnatal day 12 (approximately equal to a human pediatric age of a newborn) resulted in toxicities similar to those observed in adult rats, though juvenile animals showed decreased body weight gain at doses ≥1 mg/kg (approximately ≥0.04 times the human exposure based on AUC at the recommended clinical dose of 160 mg BID) and decreased femur lengths at 3 mg/kg (approximately 0.1 times the human exposure based on AUC at the recommended clinical dose of 160 mg BID).
Decreased body weight gain and decreased femur lengths persisted following 4 weeks of recovery.
Clinical Studies of Augtyro
Locally Advanced or Metastatic ROS1 -Positive NSCLC
The efficacy of AUGTYRO was evaluated in TRIDENT-1, a multicenter, single-arm, open-label, multi-cohort clinical trial (NCT03093116). Patients were required to have ROS1- positive locally advanced or metastatic NSCLC, ECOG performance status ≤1, measurable disease per RECIST v 1.1, and ≥8 months from first dose. All patients were assessed for CNS lesions at baseline, and patients with symptomatic brain metastases were excluded from the trial.
Patients received AUGTYRO 160 mg orally once daily for 14 days, then increased to 160 mg twice daily until disease progression or unacceptable toxicity. Tumor assessments were performed at least every 8 weeks. Identification of ROS1 gene fusions in tumor specimens was prospectively determined in local laboratories using next-generation sequencing (NGS), polymerase chain reaction (PCR) or fluorescence in situ hybridization (FISH) tests.
All ROS1 -positive patients by local FISH testing required central laboratory confirmation of ROS1 fusion using an analytically validated NGS test. ROS1 fusions were identified by NGS in 51%, FISH in 26%, and PCR in 23%. The major efficacy outcome measures were overall response rate (ORR) and duration of response (DOR) according to RECIST v1.1 as assessed by blinded independent central review (BICR).
Intracranial response according to modified RECIST v1.1 was assessed by BICR. Tumor assessments with imaging were performed every 8 weeks. The efficacy populations included 71 ROS1 TKI-naïve patients who received up to 1 prior line of platinum-based chemotherapy and/or immunotherapy and 56 patients who received 1 prior ROS1 TKI with no prior platinum-based chemotherapy or immunotherapy.
At baseline, 94.4% of patients had metastatic disease, 25.4% of patients had CNS metastases by BICR; 97.2% had adenocarcinoma; and 28.2% patients had prior chemotherapy consisting of platinum-based chemotherapy and/or immunotherapy for locally advanced or metastatic disease. At baseline, 98.2% patients had metastatic disease, 42.9% with CNS metastases by BICR, and 94.6% had adenocarcinoma. Efficacy results are summarized in Table 5.
Table 5: Efficacy Results for Patients with ROS1-Positive Among TKI-naïve patients, 8 had measurable CNS metastases at baseline as assessed by BICR; responses in intracranial lesions were observed in 7 of these 8 patients. Among the TKI pretreated patients with no prior platinum-based chemotherapy, 12 had measurable CNS metastases at baseline as assessed by BICR; responses in intracranial lesions were observed in 5 of these 12 patients. Among the 56 ROS1 inhibitor-pretreated patients, 8 had resistance mutations following TKI therapy.
Responses were observed in 6 of these 8 patients; responders included patients with solvent front ( ROS1 G2032R ), gatekeeper ( ROS1 L2026M ), and other mutations ( ROS1 S1986F/Y ).
Tumor assessments were performed every 8 weeks. NTRK gene fusions were identified prospectively using NGS in 94%, FISH in 5%, and PCR in 1%. NTRK gene fusion-positive tumors identified by local FISH testing required central laboratory confirmation using an analytically validated NGS test.
At baseline, 98% of patients had metastatic disease and 23% of patients had CNS metastases by BICR. Seventy percent (n=28) of patients received prior systemic therapy with a median of one prior systemic regimen, and 7.5% (n=3) received three or more prior systemic regimens. Efficacy results are summarized in Table 6.
Table 6: Efficacy Results for Patients with NTRK Gene Fusion-Positive Tumors in TRIDENT-1 Among the 88 patients, 5 had measurable CNS metastases at baseline as assessed by BICR. Twenty-six of the TRK TKI-pretreated patients had a resistance mutation at baseline, including 24 with solvent front mutations ( NTRK1 G595R and NTRK3 G623L/R/E/V mutations), one with both a solvent front mutation and a gatekeeper mutation ( NTRK1 F589L ), and one with another mutation ( NTRK1 G667C ). In the 25 TKI-pretreated patients with solvent front mutations at baseline, ORR was ORR and DOR by tumor type in adult patients with NTRK gene fusion-positive solid tumors are presented in Tables 7 and 8 below.
Table 7: Efficacy Results by Tumor Type in TKI-naïve NTRK Gene Fusion Patients Table 8: Efficacy Results by Tumor Type in TKI-pretreated NTRK Gene Fusion-Positive Patients in adult patients are presented by NTRK gene fusion partner Tables 9 and 10 below. Table 9: Efficacy Results by NTRK Gene Fusion Partner in TRK TKI-Naïve Patients Table 10: Efficacy Results by NTRK Gene Fusion Partner in TRK TKI-Pretreated Subjects
| Abbreviations: CI = confidence interval; NE = not evaluable; “+” indicates ongoing response | ||
| a DOR results are based on the updated data as of 19 December 2022. | ||
| b Median DOR (95% CI) are based on Kaplan-Meier estimates. | ||
| c DOR landmark analysis is based on the observed DOR. | ||
| Efficacy Parameters | ROS1 Inhibitor Naïve Patients (N=71) | ROS1 Inhibitor Pretreated Patients (N=56) |
| Confirmed Overall Response Rate, % (95% CI) | 79% (68, 88) | 38% (25, 52) |
| Complete Response | 6% | 5% |
| Partial Response | 73% | 32% |
| Duration of Response (DOR) a | ||
| Median in Months (95% CI) b | 34.1 (25.6, NE) | 14.8 (7.6, NE) |
| Range (months) | 1.4+, 42.4+ | 3.6, 22.9+ |
| % DOR ≥12 months c | 70 | 48 |
| NE = not evaluable; “+” indicates ongoing response | ||
| a Median DOR (95% CI) are based on Kaplan-Meier estimates. | ||
| b DOR landmark analysis is based on the observed DOR. | ||
| Efficacy Parameters | TKI-Naïve Patients (n=40) | TKI-Pretreated Patients (n=48) |
| Confirmed Overall Response Rate, % (95% CI) | 58 (41, 73) | 50 (35, 65) |
| Complete Response, % | 15 | 0 |
| Partial Response, % | 43 | 50 |
| Median Duration of Response (mDOR) a, in Months (95% CI) | NE (NE, NE) | 9.9 (7.4, 13.0) |
| Range (months) | 3.7+, 43.9+ | 1.8, 26.5+ |
| % with DOR ≥ 6 months b | 87 | 71 |
| % with DOR ≥ 9 months b | 83 | 63 |
| % with DOR ≥ 12 months b | 83 | 42 |
| Includes esophageal cancer and head and neck cancer | ||||
| PD: progressive disease; PR: partial response; SD: stable disease; NA: not applicable | ||||
| “+” indicates ongoing response | ||||
| Tumor type | Patients (n=40) | ORR | DOR | |
| n (%) | 95% CI | Range (months) | ||
| NSCLC | 21 | 13 (62) | 38, 82 | 3.7+, 31.3+ |
| Thyroid Cancer | 5 | 5 (100) | 48, 100 | 4.7, 43.9+ |
| Salivary Gland Cancer | 3 | 3 (100.0) | 29, 100 | 17.7+, 31.4+ |
| Secretory carcinoma | 1 | PR | NA | 23.0+ |
| Sarcoma, Soft tissue | 3 | 1 (33) | 0.8, 91 | 14.7+ |
| Breast Cancer (adenocarcinoma) | 2 | PD, PD | NA | NA |
| Other* | 2 | SD, SD | NA | NA |
| Glioblastoma | 1 | SD | NA | NA |
| Cholangiocarcinoma | 1 | PD | NA | NA |
| Colorectal cancer | 1 | SD | NA | NA |
| Peripheral Nerve Sheath Tumor | 1 | PR | NA | 23.0+ |
| Includes gallbladder cancer and unknown primary cancer | ||||
| PD: progressive disease; PR: partial response; SD: stable disease; NA: not applicable | ||||
| “+” indicates ongoing response | ||||
| Tumor type | Patients (n=48) | ORR | DOR | |
| n (%) | 95% CI | Range (months) | ||
| NSCLC | 14 | 6 (43) | 18, 71 | 1.9, 23.0+ |
| Salivary Gland Cancer | 8 | 7 (88) | 47, 100 | 3.7, 26.5+ |
| Secretory carcinoma | 3 | 3 (100) | 29, 100 | 7.9, 26.5+ |
| Sarcoma, Soft tissue | 6 | 1 (17) | 0.4, 64 | 5.6 |
| Thyroid Cancer | 4 | 2 (50) | 7, 93 | 2.0, 9.6 |
| Glioblastoma | 3 | 1 (33.3) | 0.8, 91 | 23.5 |
| Cholangiocarcinoma | 2 | PR, PD | NA | 1.8 |
| Colorectal cancer | 2 | PR, SD | NA | 17.5 |
| Peripheral Nerve Sheath Tumor | 2 | PR, PR | NA | 5.5, 11.1 |
| Neuroendocrine Tumor | 2 | PR, PR | NA | 5.5, 9.1 |
| Pancreatic Cancer | 2 | PD, PD | NA | NA |
| Other* | 2 | SD, PD | NA | NA |
| Breast Cancer (adenocarcinoma) | 1 | PR | NA | 15.6+ |
| PD: progressive disease; PR: partial response; SD: stable disease; NA: not applicable | ||||
| “+” indicates ongoing response | ||||
| NTRK Partner | Subjects (n=40) | ORR | DOR | |
| n (%) | 95% CI | Range (Months) | ||
| ETV6-NTRK3 | 12 | 9 (75) | (43, 95) | 4.7, 31.4+ |
| TPM3-NTRK1 | 7 | 5 (71) | (29, 96) | 3.8, 23.1+ |
| EML4-NTRK3 | 2 | Missing, PR | NA | 14.8+ |
| IRF2BP2-NTRK1 | 2 | PR, PR | NA | 3.7+, 20.3+ |
| PEAR1-NTRK1 | 2 | Missing, PD | NA | NA |
| Unknown | 2 | PD, SD | NA | NA |
| ATP2B2-IT2-NTRK1 | 1 | SD | NA | NA |
| GOLGB1-NTRK1 | 1 | SD | NA | NA |
| IL1RL2-NTRK2 | 1 | SD | NA | NA |
| LRPPRC-NTRK3 | 1 | SD | NA | NA |
| LRRC71-NTRK1 | 1 | Missing | NA | NA |
| Multiple | 1 | PR | NA | 28.6+ |
| RBPMS-NTRK3 | 1 | PR | NA | 34.3+ |
| SLC28A3-NTRK2 | 1 | PD | NA | NA |
| SQSTM1-NTRK1 | 1 | PR | NA | 15.7+ |
| STRN3-NTRK1 | 1 | PR | NA | 23.9+ |
| TMED3-NTRK3 | 1 | PD | NA | NA |
| TPR-NTRK1 | 1 | PR | NA | 43.9+ |
| TRIM33-NTRK1 | 1 | CR | NA | 17.8+ |
| PR = partial response; PD = progressive disease; SD = stable disease; NA = not applicable; NE = not evaluable | ||||
| “+” indicates ongoing response | ||||
| NTRK Partner | Subjects (n=48) | ORR | DOR | |
| n (%) | 95% CI | Range (Months) | ||
| ETV6-NTRK3 | 24 | 16 (67) | (45, 84) | 1.8, 26.5+ |
| EML4-NTRK3 | 5 | 4 (80) | (28, 99) | 1.9, 12.9 |
| LMNA-NTRK1 | 4 | 1 (25) | (0.6, 81) | 5.6 |
| TPM3-NTRK1 | 3 | 0 (0) | (0, 71) | NA |
| ATP1B1-NTRK1 | 1 | PD | NA | NA |
| BCR-NTRK2 | 1 | SD | NA | NA |
| ETV6-NTRK2 | 1 | NE | NA | NA |
| GP2-NTRK1 | 1 | PD | NA | NA |
| IRF2BP2-NTRK1 | 1 | Missing | NA | NA |
| KANK2-NTRK2 | 1 | PR | NA | 23.5 |
| Multiple | 1 | PD | NA | NA |
| PRDX1-NTRK1 | 1 | Missing | NA | NA |
| RBPMS-NTRK3 | 1 | PD | NA | NA |
| SEL1L-NTRK1 | 1 | PD | NA | NA |
| SQSTM1-NTRK3 | 1 | PR | NA | 5.5 |
| STRN3-NTRK3 | 1 | PR | NA | 11.1 |
Drug information sourced from the FDA. This content is for informational purposes only and does not constitute medical advice. Consult a healthcare professional before making any medication decisions.
Ready to save on Augtyro?
Compare prescription prices at over 70,000 pharmacies and start saving today—no enrollment required.
Compare Augtyro Prices