E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Metastatic or Locally Advanced EGFR mutated Non-Small Cell Lung Cancer (NSCLC) |
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E.1.1.1 | Medical condition in easily understood language |
Metastatic or Locally Advanced Lung Cancer |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10080083 |
E.1.2 | Term | Advanced lung cancer |
E.1.2 | System Organ Class | 100000004864 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To investigate the antitumor activity of patritumab deruxtecan in subjects with metastatic or locally advanced NSCLC with an activating EGFR mutation (exon 19 deletion or L858R) |
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E.2.2 | Secondary objectives of the trial |
- To investigate the durability of patritumab deruxtecan antitumor activity in subjects with metastatic or locally advanced NSCLC with an activating EGFR mutation (exon 19 deletion or L858R) - To further investigate the antitumor activity of patritumab deruxtecan in subjects with metastatic or locally advanced NSCLC with an activating EGFR mutation (exon 19 deletion or L858R) - To assess the safety and tolerability of patritumab deruxtecan in subjects with metastatic or locally advanced NSCLC with an activating EGFR mutation (exon 19 deletion or L858R) - To evaluate HER3 protein expression in tumor tissue and its relationship with efficacy - To assess the immunogenicity incidence against patritumab deruxtecan |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Sign and date the tissue ICF and the main ICF, prior to the start of any study-specific qualification procedures. 2. Male or female subjects aged ≥18 years (follow local regulatory requirements if the legal age of consent for study participation is >18 years old). 3. Histologically or cytologically documented locally advanced or metastatic NSCLC not amenable to curative surgery or radiation. 4. Documentation of radiological disease progression while on/after receiving most recent treatment regimen for locally advanced or metastatic disease. Subjects must have received both of the following: a. Prior treatment with osimertinib. Subjects receiving an EGFR TKI at the time of signing informed consent should continue to take the EGFR TKI until 5 days prior to Cycle 1 Day 1. b. Systemic therapy with at least 1 platinum-based chemotherapy regimen. 5. Documentation of an EGFR-activating mutation detected from tumor tissue or blood sample: exon 19 deletion or L858R. 6. At least 1 measurable lesion confirmed by BICR as per RECIST v1.1 7. Consented and willing to provide required tumor tissue of sufficient quantity (as defined in the Laboratory Manual) and of adequate tumor tissue content (as confirmed by H&E staining at the central laboratory). Required tumor tissue can be provided as either: a. Pretreatment tumor biopsy from at least 1 lesion not previously irradiated and amenable to core biopsy OR b. Archival tumor tissue collected from a biopsy performed within 3 months prior to signing of the tissue consent and since progression while on or after treatment with the most recent cancer therapy regimen. 8. Eastern Cooperative Oncology Group performance status (ECOG PS) of 0 or 1 at Screening. 9. Has adequate bone marrow reserve and organ function, based on local laboratory data within 14 days prior to Cycle 1 Day 1 as defined in the protocol. 10. If the subject is a female of childbearing potential, she must have a negative serum pregnancy test at Screening and must be willing to use highly effective birth control, upon enrollment, during the Treatment Period, and for 7 months following the last dose of study drug. A female is considered of childbearing potential following menarche and until becoming postmenopausal (no menstrual period for a minimum of 12 months) unless permanently sterile (undergone a hysterectomy, bilateral salpingectomy or bilateral oophorectomy) with surgery at least 1 month before the first dose or confirmed by follicle stimulating hormone (FSH) test. 11. Female subjects must not donate, or retrieve for their own use, ova from the time of screening and throughout the study treatment period, and for at least 7 months after the final study drug administration. 12. If male, the subject must be surgically sterile or willing to use highly effective birth control upon enrollment, during the treatment period, and for at least 4 months following the last dose of study drug. 13. Male subjects must not freeze or donate sperm starting at Screening and throughout the study period, and at least 4 months after the final study drug administration. 14. Is willing and able to comply with scheduled visits, drug administration plan, laboratory tests, other study procedures, and study restrictions. |
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E.4 | Principal exclusion criteria |
1. Any previous or current histologic or cytologic evidence of small cell OR combined small cell/non-small cell disease in the archival tumor tissue or pretreatment tumor biopsy. 2. Any history of interstitial lung disease (including pulmonary fibrosis or radiation pneumonitis), has current interstitial lung disease (ILD), or is suspected to have such disease by imaging during screening. 3. Clinically severe respiratory compromise (based on Investigator's assessment) resulting from intercurrent pulmonary illnesses including, but not limited to: a. Any underlying pulmonary disorder (eg, pulmonary emboli within 3 months prior to the study enrollment, severe asthma, severe chronic obstructive pulmonary disease [COPD], restrictive lung disease, pleural effusion); b. Any autoimmune, connective tissue or inflammatory disorders with pulmonary involvement (e.g., rheumatoid arthritis, Sjogren's syndrome, sarcoidosis); OR prior complete pneumonectomy. 4. Is receiving chronic systemic corticosteroids dosed at >10 mg prednisone or equivalent anti-inflammatory or any form of immunosuppressive therapy prior to enrollment. Subjects who require use of bronchodilators, inhaled or topical steroids, or local steroid injections may be included in the study. 5. Evidence of any leptomeningeal disease 6. Evidence of clinically active spinal cord compression or brain metastases, defined as untreated and symptomatic, or requiring therapy with corticosteroids or anticonvulsants to control associated symptoms. Subjects with clinically inactive or treated brain metastases who are asymptomatic (i.e., without neurologic signs or symptoms and not requiring treatment with corticosteroids or anticonvulsants) may be included in the study. Subjects must have a stable neurologic status for at least 2 weeks prior to Cycle 1 Day 1. 7. Inadequate washout period prior to Cycle 1 Day 1 as defined in the protocol points a/b/c/d/e/f (page 53). 8. Prior treatment with an anti-HER3 antibody or single-agent topoisomerase I inhibitor. 9. Prior treatment with an ADC that consists of any topoisomerase I inhibitor 10. Has unresolved toxicities from previous anticancer therapy, defined as toxicities (other than alopecia) not yet resolved to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0, Grade ≤1 or baseline. Subjects with chronic Grade 2 toxicities may be eligible at the discretion of the Investigator after consultation with the Sponsor Medical Monitor or designee. 11. Has history of other active malignancy within 3 years prior to enrollment, except: a. Adequately treated non-melanoma skin cancer; b. Superficial bladder tumors (Ta, Tis, T1); c. Adequately treated intraepithelial carcinoma of the cervix uteri; d. Low risk non-metastatic prostate cancer (with Gleason score <7, and following local treatment or ongoing active surveillance); e. Any other curatively treated in situ disease. 12. Uncontrolled or significant cardiovascular disease prior to Cycle 1 Day 1 as defined in the protocol points a/b/c/d/e/f/g (page 64). 13. Active hepatitis B and/or hepatitis C infection, such as those with serologic evidence of viral infection within 28 days of Cycle 1 Day 1 as defined in the protocol points a/b (page 64). 14. Subject with any human immunodeficiency virus (HIV) infection. 15. Any evidence of severe or uncontrolled diseases including active bleeding diatheses, active infection, psychiatric illness/social situations, geographical factors, substance abuse, or other factors which in the Investigator’s opinion makes it undesirable for the subject to participate in the study or which would jeopardize compliance with the protocol. Screening for chronic conditions is not required. 16. History of hypersensitivity to either the drug substance or any excipients in patritumab deruxtecan. 17. Female who is pregnant or breast-feeding or intends to become pregnant during the study. 18. Prior or ongoing clinically relevant illness, medical condition, surgical history, physical finding, or laboratory abnormality that, in the Investigator’s opinion, could affect the safety of the subject; alter the absorption, distribution, metabolism or excretion of the study drug; or confound the assessment of study results. 19. Has clinically significant corneal disease. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Objective Response Rate (ORR) as assessed by Blinded Independent Central Review (BICR) per RECIST v1.1 |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
ORR: Data are collected at baseline, then from the start of study treatment until documented disease progression or other protocol defined reason. |
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E.5.2 | Secondary end point(s) |
- Duration of Response (DoR) - Progression-free Survival (PFS) - Objective Response Rate (ORR) - Disease Control Rate (DCR) - Time to Response (TTR) - Best percentage change in the sum of diameters (SoD) of measurable tumors - Overall Survival (OS) - Safety parameters (AEs, ECOG PS, vital signs, clinical laboratory parameters, ECG etc.) - Correlation between HER3 protein expression and efficacy - Anti-drug antibody (ADA) status at baseline and post-baseline. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
DoR, PFS, ORR, DCR, TTR, Changes in SoD: Data are collected at baseline, then from the start of study treatment until documented disease progression, death, lost to follow-up, or withdrawal by subject or other protocol defined reason. Tumor response as assessed by BICR per RECIST v1.1 and death date reported by investigator. OS: Death date is collected until the subject discontinues the study. Safety parameters: From the time the subject signs the main study ICF and up to 40 (+ 7) days after the last dose of study drug HER3 data are collected at baseline (biopsy), at Cycle 2, and EOT (optional) ADA Status: Data are collected from the start of study treatment until documented disease progression. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
Biomarker assessment (HER3 expression data), Immunogenicity |
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E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
Different dose of the same product |
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E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 4 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 57 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Australia |
Japan |
Korea, Republic of |
Serbia |
Singapore |
Taiwan |
United States |
Austria |
Belgium |
Bulgaria |
Denmark |
France |
Germany |
Hungary |
Italy |
Netherlands |
Poland |
Portugal |
Spain |
United Kingdom |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
Overall End of Study (EOS) will occur when: - after the last subject last visit; - all subjects have discontinued treatment and discontinued long-term survival follow-up or have died; - an alternative study becomes available, for subjects continuing to derive benefit from treatment with patritumab deruxtecan, where the study drug is offered to these subjects; - the study is discontinued by the Sponsor for other reasons |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 2 |
E.8.9.2 | In all countries concerned by the trial days | 0 |