E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
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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 | 21.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10067821 |
E.1.2 | Term | Head and neck cancer |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10036921 |
E.1.2 | Term | Prostate carcinoma |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10075566 |
E.1.2 | Term | Triple negative breast cancer |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10065147 |
E.1.2 | Term | Malignant solid tumor |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10065252 |
E.1.2 | Term | Solid tumor |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10061873 |
E.1.2 | Term | Non-small cell lung cancer |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10040891 |
E.1.2 | Term | Skin melanoma |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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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 characterize the safety, tolerability, dose-limiting toxicities (DLTs), and maximum tolerated dose (MTD) or maximum administered dose (MAD) (if no MTD is defined) for MGC018 administered as monotherapy or in combination with MGA012, each administered intravenously (IV), in participants who have relapsed/refractory, unresectable locally advanced or metastatic solid tumors. |
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E.2.2 | Secondary objectives of the trial |
- To characterize the pharmacokinetics (PK) and immunogenicity of MGC018 alone and in combination with MGA012 - To describe antitumor activity of MGC018 administered as monotherapy or in combination with MGA012 in participants with advanced solid tumors using Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) - To describe the radiographic progression free survival (rPFS) in mCRPC - To describe the prostate-specific antigen (PSA) response rate and best PSA percent change in mCRPC |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Ability to provide informed consent and documentation of informed consent prior to initiation of any study-related tests or procedures that are not part of standard-of-care for the participant's disease. Participants must also be willing and able to comply with study procedures, including the acquisition of specified research specimens. 2. Age ≥ 18 years old. 3. Archival or FFPE tissue must be available for determination of B7-H3 (Module A) and B7-H3 and PD-L1 expression (Module B). Participants may undergo a fresh tumor biopsy to obtain a specimen for testing if a tumor sample is not available; mCRPC with bone only disease not amenable to fresh biopsy may be eligible in consultation with the sponsor. 4. Eastern Cooperative Oncology Group (ECOG) performance status of ≤2. 5. Life expectancy ≥ 12 weeks for Dose Escalation Phase and ≥ 24 weeks for Cohort Expansion Phase. 6. Measurable disease as per RECIST v1.1 criteria. Participants with mCRPC without measurable disease may be enrolled. Cutaneous or subcutaneous lesions must be measurable by calipers. Note: Lesions to be used as measurable disease for the purpose of response assessment must not reside in a field that has been subjected to prior radiotherapy or. 7. Tumor Histology Types Dose Escalation Phase of the Study: a) Participants with histologically proven, relapsed or refractory, unresectable locally advanced or metastatic solid tumors of any histology for whom no therapy with demonstrated clinical benefit is available. Cohort Expansion Module A: a) mCRPC that has progressed during or following one prior line of chemotherapy for metastatic disease, and if approved and available, no more than two prior lines of an anti-hormonal agent (e.g., abiraterone, enzalutamide) with a PSA value of at least 2 ng/mL and meeting at least one of the following: • Progression in measurable disease (RECIST v1.1). • Appearance of 2 or more new bone lesions according to Prostate Cancer Working Group 2 (PCWG2). • Rising PSA defined as at least two sequential rises in PSA (PSA obtained ≥ 1 week apart) over a reference value (the last PSA [PSA ≥ 2 ng/mL] measured before the first rise in PSA) (as defined by the PCWG2). b) NSCLC • Metastatic NSCLC who have failed standard cytotoxic, targeted, and biologic or checkpoint inhibitor therapy. No more than two prior lines of cytotoxic chemotherapy. c) TNBC • Locally advanced or metastatic TNBC that has progressed during or following at least one systemic therapy. American Society of Clinical Oncology (ASCO) College of American Pathologists (CAP) guidelines should be followed for establishing the diagnosis of TNBC. d) SCCHN that has progressed during or following at least one systemic therapy for metastatic or recurrent unresectable disease. No more than 2 prior lines of cytotoxic chemotherapy are allowed. e) Melanoma that has progressed during or following at least one systemic treatment for unresectable locally advanced or metastatic disease. Patients who are intolerant of or refused standard therapy are eligible. Cohort Expansion Module B: Participants with histologically proven, unresectable, locally advanced or metastatic solid tumors for whom no therapy with demonstrated clinical benefit is available as described below. a) SCCHN that has progressed following treatment with platinum-based chemotherapy for metastatic or recurrent disease, or progression of disease within 6 months of completing prior platinum therapy used as part of neoadjuvant, concurrent chemoradiation, or adjuvant therapy. - Participants with upper esophageal or salivary gland tumors will not be considered as SCCHN. - Participants who refuse radical resection for recurrent disease are eligible. b) mCRPC that has progressed during or following one prior line of chemotherapy for metastatic disease, and if approved and available, no more than two prior lines of anti-hormonal agent (e.g. abiraterone, enzalutamide) with a PSA value of at least 2 ng/mL and meeting at least one of the following: • Progression in measurable disease (RECIST v1.1). • Appearance of 2 or more new bone lesions according to Prostate Cancer Working Group 2 (PCWG2). • Rising PSA defined as at least two sequential rises in PSA (PSA obtained ≥ 1 week apart) over a reference value (the last PSA [PSA ≥ 2 ng/mL] measured before the first rise in PSA) (as defined by the PCWG2). c) Tumor type TBD at a later date; cancer will be required to have progressed or recurred despite prior standard therapy for that specific tumor. 8. Acceptable laboratory parameters.
For additional inclusion criteria and further details, please refer to the study protocol. |
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E.4 | Principal exclusion criteria |
1. Participants with history of prior central nervous system (CNS) metastasis must have been treated, must be asymptomatic, and must not have any of the following at the time of enrollment: - Concurrent treatment for the CNS disease (e.g., surgery, radiation, corticosteroids > 10 mg prednisone/day or equivalent) - Progression after primary treatment of CNS metastases on imaging with MRI, CT or positron emission tomography (PET)/CT within 6 months prior to screening. - History of leptomeningeal disease or spinal cord compression. 2. Module B only: Participants with any history of known or suspected autoimmune disease with the specific exceptions of vitiligo, resolved childhood atopic dermatitis, psoriasis not requiring systemic treatment (within the past 2 years), and participants with a history of Grave’s disease that are now euthyroid clinically and by laboratory testing. 3. Treatment with any, investigational therapy within the 4 weeks prior to the initiation of study drug administration. 4. Module B only: Previous Checkpoint Inhibitor Therapy: Patients who experienced the following immune checkpoint inhibitor-related AEs make the patient ineligible despite the AE resolving to ≤ Grade 1 or baseline: o ≥ Grade 3 ocular AE o Changes in liver function tests that met the criteria for Hy's Law (> 3 × ULN of either ALT/AST with concurrent > 2 × ULN of total bilirubin and without alternate etiology) o ≥ Grade 3 neurologic toxicity o ≥ Grade 3 colitis o ≥ Grade 3 pneumonitis o ≥ Grade 3 renal toxicity o ≥ Grade 3 skin toxicity 5. Prior treatment with MGD009, enoblituzumab, or other B7-H3 targeted agents for cancer. 6. Treatment with any systemic anti-cancer therapy within the interval specified in the protocol 7. Treatment with mediastinal or pelvic radiation therapy within 4 weeks prior to the minitiation of study drug administration. Palliative, limited field radiation for symptom control to soft tissues, or bone lesions within 2 weeks prior to the initiation of study drug administration. 8. Module B only: Treatment with systemic corticosteroids (> 10 mg per day prednisone or equivalent) or other immune suppressive drugs within the 14 days prior to the initiation of study drug administration. 9. Clinically significant cardiovascular diseases. 10. Clinically significant pulmonary compromise, including pneumonia, pneumonitis, or a requirement for supplemental oxygen use to maintain adequate oxygenation or history of ≥ Grade 3 drug-induced or radiation pneumonitis. 11. Evidence of active viral, bacterial, or systemic fungal infection requiring parenteral antibiotic, antiviral, or antifungal treatment within 7 days prior to the initiation of study drug. Participants requiring any systemic antiviral, antifungal, or antibacterial therapy for active infection must have completed treatment no less than one week prior to the initiation of study drug. 12. Known history of positive testing for human immunodeficiency virus or history of acquired immune deficiency syndrome. 13. Known history of hepatitis B or hepatitis C infection or known positive test for hepatitis B surface antigen, hepatitis B core antigen, or hepatitis C polymerase chain reaction. 14. History of prior allogeneic bone marrow, stem-cell, or solid organ transplantation. 15. Second primary invasive malignancy that has not been in remission for greater than 2 years except non-melanoma skin cancer; cervical carcinoma in situ on biopsy; or squamous intraepithelial lesion on Pap smear; localized prostate cancer (Gleason score < 6); or resected melanoma in situ. 16. Major Trauma or major surgery within 4 weeks prior to the initiation of study drug administration. 17. Any serious underlying medical or psychiatric condition that would impair the ability of the participant to receive or tolerate the planned treatment at the study site. 18. Known hypersensitivity to recombinant proteins, polysorbate 80, or any excipient contained in the drug formulation or custom vehicle. 19. Vaccination with any live virus vaccine within 4 weeks prior to the initiation of study drug administration. Inactivated annual influenza vaccination is allowed. 20. Dementia or altered mental status that would preclude understanding and rendering of informed consent. 21. Prisoners or other individuals who are involuntarily detained. 22. Any investigative site personnel directly affiliated with this study. 23. Any issue that in the opinion of the investigator would contraindicate the participant’s participation in the study or confound the results of the study. 24. Clinically significant venous insufficiency. 25. > Grade 1 peripheral neuropathy. 26. Evidence of pleural effusion. 27. Evidence of ascites. 28. Serum testosterone >50 ng/dl or >1.7 nmol/L in mCRPC in Module A Cohort Expansion Phase and Module B Cohort Expansion Phase. 29. Confirmed or presumed COVID-19/SARS-CoV-2 infection. For more details, please refer to study protocol. |
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E.5 End points |
E.5.1 | Primary end point(s) |
1. Safety Incidence of Treatment-Emergent Adverse Events as assessed by CTCAE Safety is based on evaluation of adverse events (AEs) and serious adverse events (SAEs) from the time of study drug administration through the End of Study Visit. 2. Maximum Tolerated Dose Maximum tolerated or maximum administered dose of MGC018 alone and in combination with MGA012. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
The time frame for evaluation of the endpoint is 24 months |
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E.5.2 | Secondary end point(s) |
1. Pharmacokinetics and Immunogenicity Characterize the PK and immunogenicity of MGC018 alone and in combination with MGA012 2. Efficacy Preliminary anti-tumor activity of of MGC018 administered as monotherapy or in combination with MGA012. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1. For Pharmacokinetics and Immunogenicity endpoint the time frame is 24 months 2. For Efficacy end point the time frame is 48 months |
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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 | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
tolerability and immunogenicity |
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E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | Yes |
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 | No |
E.8.1.1 | Randomised | No |
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 | Yes |
E.8.1.7.1 | Other trial design description |
dose escalation and cohort expansion |
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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 | No |
E.8.2.4 | Number of treatment arms in the trial | 8 |
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 | 5 |
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 |
United States |
Poland |
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
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Patient is lost to follow-up (LTFU) or discontinues from the study due to any reason |
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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 | 3 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | 1 |
E.8.9.2 | In all countries concerned by the trial years | 6 |
E.8.9.2 | In all countries concerned by the trial months | 6 |
E.8.9.2 | In all countries concerned by the trial days | 0 |