Phase 3 Clinical Study of AK112 for NSCLC Patients
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT05184712 |
Recruitment Status :
Recruiting
First Posted : January 11, 2022
Last Update Posted : May 25, 2023
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Condition or disease | Intervention/treatment | Phase |
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Non-Squamous Non-small Cell Lung Cancer | Drug: AK112 Injection Drug: Placebo Injection | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 470 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Randomized, Double-blind, Multi-center, Phase III Study of AK112 or Placebo Combined With Pemetrexed and Carboplatin in Patients With EGFR-mutant Locally Advanced or Metastatic Non-squamous NSCLC Who Have Failed to EGFR-TKI Treatment |
Actual Study Start Date : | January 1, 2022 |
Estimated Primary Completion Date : | January 1, 2025 |
Estimated Study Completion Date : | January 1, 2026 |

Arm | Intervention/treatment |
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Experimental: AK112 in combination with Pemetrexed and Carboplatin
Subjects will receive AK112 Plus Pemetrexed and Carboplatin via intravenous infusion (IV) Q3W, up to 4 cycles. Afterward, AK112 Plus Pemetrexed will be used for maintenance treatment (administered on Day 1 of each cycle, Q3W) up to 2 years.
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Drug: AK112 Injection
Subjects will receive AK112 Plus Pemetrexed and Carboplatin via intravenous infusion (IV) Q3W, up to 4 cycles. Afterward, AK112 Plus Pemetrexed will be used for maintenance treatment (administered on Day 1 of each cycle, Q3W) up to 2 years.
Other Names:
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Placebo Comparator: Placebo in combination with Pemetrexed and Carboplatin
Subjects will receive Placebo Plus Pemetrexed and Carboplatin via intravenous infusion (IV) Q3W, up to 4 cycles in treatment periods per the randomization schedule. Afterward, Placebo Plus Pemetrexed will be used for maintenance treatment (administered on Day 1 of each cycle, Q3W) up to 2 years.
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Drug: Placebo Injection
Subjects will receive Placebo Plus Pemetrexed and Carboplatin via intravenous infusion (IV) Q3W, up to 4 cycles in treatment periods per the randomization schedule. Afterward, Placebo Plus Pemetrexed will be used for maintenance treatment (administered on Day 1 of each cycle, Q3W) up to 2 years.
Other Names:
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- Progression-free survival (PFS) [ Time Frame: Up to 2 years ]Progression-free survival (PFS) assessed by IRC per RECIST v1.1 in the ITT population.
- Overall Survival (OS) [ Time Frame: Up to 2 years ]Overall Survival (OS) in the ITT population
- ORR [ Time Frame: Up to 2 years ]Efficacy measures such as overall response rate (ORR), which is the proportion of subjects with CR or PR by IRRC based on RECIST v1.1
- DCR [ Time Frame: Up to 2 years ]Disease control rate (DCR), which is defined as the proportion of subjects with CR, PR, or SD, based on RECIST v1.1
- DoR [ Time Frame: Up to 2 years ]Duration of response (DoR), which is defined as the duration from the first documentation of objective response to the first documented disease progression or death due to any cause, whichever occurs first.
- TTR [ Time Frame: Up to 2 years ]TTR is defined as the time to response base on RECIST v1.1
- PFS [ Time Frame: Up to 2 years ]PFS is defined as the time from randomization to the first documented progressive disease (PD) or death due to any cause, whichever occurs first assessed by investigator Per RECIST 1.1.
- AE [ Time Frame: From the subject signs the ICF to 30 days (AE) and 90 days (SAE) after the last dose of study treatment or initiation of other anti-tumor therapy, whichever occurs first,up to 2 years ]Incidence and severity of adverse events (AEs) and serious adverse events (SAEs), and clinically significant abnormal laboratory results.
- Observed concentrations of AK112 [ Time Frame: through study completion, an average of 2 year ]The endpoints for assessment of PK of AK112 include serum concentrations of AK112 at different timepoints after AK112 administration
- Number of subjects who develop detectable anti-drug antibodies (ADAs) [ Time Frame: From first dose of AK112 through 90 days after last dose of AK112,up to 2 years ]The immunogenicity of AK112 will be assessed by summarizing the number of subjects who develop detectable antidrug antibodies (ADAs)

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Ability to understand and voluntarily sign a written informed consent form (ICF), which must be signed before the specified study procedures required for the study are performed.
- Males or females aged ≥ 18 years at the time of signing informed consent.
- Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) 0 or 1.
- Life expectancy ≥3 months;
- Locally advanced (stage IIIB/IIIC) or metastatic (stage IV) non-squamous NSCLC confirmed by histology or cytology, inoperable and unable to receive radiotherapy and chemotherapy;
- The tumor histology, cytology or hematology confirmed the presence of EGFR activating mutations before enrollment
- Have previously received 3rd generation EGFR-TKI treatment and have progressed on or following
- Subjects have at least one measurable non-brain tumor lesion per RECIST v1.1
- Major organ function prior to treatment meets the following criteria
- Patients of childbearing potential must agree to use effective contraceptive measures
Exclusion Criteria:
- Histological or cytological pathology confirmed the presence of small cell carcinoma components, or the main component is squamous cell carcinoma
- There are reports confirming the existence of other driver gene mutations with known drug treatments
- Subjects who received any prior treatments targeting the mechanism of tumor immunity
- The subject has received systemic anti-tumor therapy other than EGFR-TKI
- Currently enrolled in any other clinical study
- Received EGFR-TKI treatment, palliative local treatment, non-specific immunomodulatory treatment within 2 weeks prior to the first dose.
- Tumor surrounds important blood vessels or has obvious necrosis, cavitation, or invades surrounding important organs and blood vessels.
- Symptomatic central nervous system metastases
- Active malignancies within the past 3 years, with the exception of tumors in this study and cured local tumors
- Active autoimmune disease requiring systemic treatment within 2 years prior to the start of study treatment
- There is a history of major diseases 1 year prior to the first dose.
- .Medical history of gastrointestinal perforation or gastrointestinal fistula within 6 months prior to the first dose
- Received chest radiation therapy prior to the first dose
- Presence of clinically symptomatic pleural effusion, pericardial effusion, or ascites requiring frequent drainage.
- Active or previously documented inflammatory bowel disease (e.g., Crohn's disease or ulcerative colitis).

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): NCT05184712
Contact: Lori Styles, MD | 1-833-256-0522 | medicalinformation@smmttx.com |
United States, California | |
Research Site | Not yet recruiting |
Los Angeles, California, United States, 90024 | |
Research Site | Not yet recruiting |
Orange, California, United States, 92868 | |
Research Site | Recruiting |
Santa Rosa, California, United States, 95404 | |
United States, Florida | |
Research Site | Not yet recruiting |
Ocala, Florida, United States, 34471 | |
Research Site | Recruiting |
Plantation, Florida, United States, 33322 | |
United States, Illinois | |
Research Site | Not yet recruiting |
Chicago, Illinois, United States, 92037 | |
Canada, Alberta | |
Research Site | Not yet recruiting |
Edmonton, Alberta, Canada, T6G 1Z2 | |
Canada, British Columbia | |
Research Site | Not yet recruiting |
Vancouver, British Columbia, Canada, V5Z 1L3 | |
Canada, Ontario | |
Research Site | Not yet recruiting |
Ottawa, Ontario, Canada, K1H 8L6 | |
Research Site | Not yet recruiting |
Toronto, Ontario, Canada, M5G 2M9 | |
Canada | |
Research Site | Not yet recruiting |
Québec, Canada, V5Z 1H6 | |
China, Guangdong | |
Sun Yat-sen University Cancer Center | Recruiting |
Guangzhou, Guangdong, China, 510000 | |
Contact: Li Zhang, Master 139 0228 2893 | |
France | |
Research Site | Not yet recruiting |
Paris, France, 75018 | |
Italy | |
Research Site | Not yet recruiting |
Roma, Italy, 00128 | |
Spain | |
Research Site | Not yet recruiting |
Madrid, Spain, 28034 | |
United Kingdom | |
Research Site | Not yet recruiting |
Manchester, United Kingdom, M20 4BX |
Principal Investigator: | Li Zhang, MD | Sun Yat-sen University |
Responsible Party: | Summit Therapeutics |
ClinicalTrials.gov Identifier: | NCT05184712 |
Other Study ID Numbers: |
AK112-301 HARMONi ( Other Identifier: Summit Therapeutics ) |
First Posted: | January 11, 2022 Key Record Dates |
Last Update Posted: | May 25, 2023 |
Last Verified: | May 2023 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Carcinoma, Non-Small-Cell Lung Carcinoma, Bronchogenic Bronchial Neoplasms Lung Neoplasms Respiratory Tract Neoplasms Thoracic Neoplasms Neoplasms by Site Neoplasms Lung Diseases |
Respiratory Tract Diseases Carboplatin Pemetrexed Antineoplastic Agents Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Folic Acid Antagonists Nucleic Acid Synthesis Inhibitors |