Ph 2/3 Study in Subjects With MPM to Assess ADI-PEG 20 With Pemetrexed and Cisplatin (ATOMIC)
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ClinicalTrials.gov Identifier: NCT02709512 |
Recruitment Status :
Completed
First Posted : March 16, 2016
Last Update Posted : October 3, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Mesothelioma | Drug: ADI-PEG 20 plus Pem Cis Other: Placebo plus Pem Cis | Phase 2 Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 249 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Care Provider, Investigator) |
Primary Purpose: | Treatment |
Official Title: | Randomized, Double-Blind, Phase 2/3 Study in Subjects With Malignant Pleural Mesotheliomato Assess ADI-PEG 20 With Pemetrexed and Cisplatin (ATOMIC-Meso Phase 2/3 Study) |
Actual Study Start Date : | August 1, 2017 |
Actual Primary Completion Date : | August 15, 2022 |
Actual Study Completion Date : | August 15, 2022 |

Arm | Intervention/treatment |
---|---|
Experimental: Drug: ADI-PEG 20 plus Pem Cis
Dose: 36 mg/m2 given weekly Route of Administration: Intramuscular (IM) Duration : Course of Study In Combination With: Pemetrexed Dose: 500 mg/m2 every 3 weeks Route of Administration: Intravenous Cisplatin Dose: 75 mg/m2 every 3 weeks Route of Administration: Intravenous |
Drug: ADI-PEG 20 plus Pem Cis
Investigational Drug in combination approved standard of care treatment for this indication
Other Names:
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Placebo Comparator: Drug: Placebo plus Pem Cis
Dose: 36 mg/m2 given weekly Route of Administration: Intramuscular (IM) Duration : Course of Study In Combination With: Pemetrexed Dose: 500 mg/m2 every 3 weeks Route of Administration: Intravenous Cisplatin Dose: 75 mg/m2 every 3 weeks Route of Administration: Intravenous |
Other: Placebo plus Pem Cis
Placebo in combination approved standard of care treatment for this indication
Other Names:
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- Response Rate [ Time Frame: approximately 18 months ]
- Progression Free Survival [ Time Frame: approximately 18 months ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Histologically proven unresectable MPM of biphasic or sarcomatoid histology
- Naïve to chemotherapy or immunotherapy
- ECOG PS 0-1
- Expected survival of at least 3 months
- Age 18 years or over (there is no upper age limit)
- Measurable disease by modified RECIST criteria for MPM for local pleural disease and RECIST 1.1 criteria for metastatic lesions
- Written (signed and dated) informed consent and must be capable of co-operating with treatment and follow up
- Adequate hematologic, hepatic, and renal function
Exclusion Criteria:
- Radiotherapy (except for palliative reasons) in the previous two weeks before study treatment
- History of unstable cardiac disease
- Ongoing toxic manifestations of previous treatments
- Symptomatic brain or spinal cord metastases (patients must be stable for > 1 month post radiotherapy or surgery)
- Major thoracic or abdominal surgery from which the patient has not yet recovered.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02709512

Study Director: | John S Bomalaski, MD | Polaris Group |
Responsible Party: | Polaris Group |
ClinicalTrials.gov Identifier: | NCT02709512 |
Other Study ID Numbers: |
POLARIS2015-003 |
First Posted: | March 16, 2016 Key Record Dates |
Last Update Posted: | October 3, 2022 |
Last Verified: | January 2022 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Malignant Pleural Mesothelioma |
Mesothelioma Mesothelioma, Malignant Adenoma Neoplasms, Glandular and Epithelial Neoplasms by Histologic Type Neoplasms Neoplasms, Mesothelial Lung Neoplasms Respiratory Tract Neoplasms Thoracic Neoplasms Neoplasms by Site |
Pleural Neoplasms Lung Diseases Respiratory Tract Diseases Cisplatin Pemetrexed Antineoplastic Agents Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Folic Acid Antagonists Nucleic Acid Synthesis Inhibitors |