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NC318

Phase 2

Advanced Non-small Cell Lung Cancer | Small molecule | Oncology |NextCure, Inc.|Last Updated: May 13, 2025

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMC
Total Trials1
Total Enrollment159

FDA Designations

No designations recorded

Clinical trial landscape

NC318 · 2 trials · 10 indications

Phase 2 1Phase 1 1
NCT04699123The Study of NC318 Alone or in Combination With Pembrolizumab in Patients With Advanced Non-small Cell Lung CancerAdvanced Non-small Cell Lung Cancer
ACTIVE NOT_RECRUITING159 Analytics
PHASE2ACTIVE NOT_RECRUITING
The Study of NC318 Alone or in Combination With Pembrolizumab in Patients With Advanced Non-small Cell Lung Cancer
Advanced Non-small Cell Lung CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Objective response rate (ORR) in Arm 1a
Tumor response will be based on tumor assessments at screening, every 8 weeks from the first dose (for the first 24 weeks) and thereafter every 12 weeks until investigator-assessed initial disease progression, up to 4 years

To determine the objective response rate (ORR) using RECIST v1.1 to NC318 in arm 1a

Objective response rate (ORR) in Arm 1b
Tumor response will be based on tumor assessments at screening, every 8 weeks from the first dose (for the first 24 weeks) and thereafter every 12 weeks until investigator-assessed initial disease progression, up to 4 years

To determine the objective response rate (ORR) using RECIST v1.1 to NC318 combined with pembrolizumab in arm 1b

Objective response rate (ORR) in Arm 1c
Tumor response will be based on tumor assessments at screening, every 8 weeks from the first dose (for the first 24 weeks) and thereafter every 12 weeks until investigator-assessed initial disease progression, up to 4 years

To determine the objective response rate (ORR) using RECIST v1.1 to NC318 combined with pembrolizumab in arm 1b

Number of participants on Arm 1b with treatment related adverse events as assessed by CTCAE v5
Safety run in of 6 weeks

To determine the safety of NC318 when administered in combination with pembrolizumab in arm 1b

Number of participants on Arm 1c with treatment related adverse events as assessed by CTCAE v5
Safety run in of 6 weeks

To determine the safety of NC318 when administered in combination with pembrolizumab in arm 1b

Objective response rate (ORR) in Arm 2
Tumor response will be based on tumor assessments at screening, every 8 weeks from the first dose (for the first 24 weeks) and thereafter every 12 weeks until investigator-assessed initial disease progression, up to 4 years

To determine the objective response rate (ORR) using RECIST v1.1 to NC318 combined with pembrolizumab in arm 2

Objective response rate (ORR) in Arm 2a
Tumor response will be based on tumor assessments at screening, every 8 weeks from the first dose (for the first 24 weeks) and thereafter every 12 weeks until investigator-assessed initial disease progression, up to 4 years

To determine the objective response rate (ORR) using RECIST v1.1 to NC318 combined with pembrolizumab in arm 2

Number of participants in arm 2 with treatment related adverse events as assessed by CTCAE v5
Safety run in of 6 weeks

To determine the safety of NC318 when administered in combination with pembrolizumab in arm 2

Number of participants in arm 2a with treatment related adverse events as assessed by CTCAE v5
Safety run in of 6 weeks

To determine the safety of NC318 when administered in combination with pembrolizumab in arm 2

Number of Participants With Treatment-emergent Adverse Events as Assessed by CTCAE v5.0
From enrollment through up to 90 days after end of treatment, an average of 1 year

The number of participants who have had at least one TEAE during the study.

Secondary Endpoints

Progression-free survival (RECIST v1.1) Arm 1a
Until disease progression or death, up to 4 years
Overall Survival (RECIST v1.1) Arm 1a
Until death, up to 5 years
Progression-free survival (RECIST v1.1) Arm 1B
Until disease progression or death, up to 4 years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Arm 1a - NC318 onlyEXPERIMENTALAt the discretion of the treating physician, advanced NSCLC patients on arm 1a will receive NC318 alone.
Arm 1b - NC318 and PembrolizumabEXPERIMENTALAt the discretion of the treating physician, advanced NSCLC patients on arm 1b will receive combination therapy with NC318 and pembrolizumab.
Arm 1c - NC318 and PembrolizumabEXPERIMENTALAt the discretion of the treating physician, advanced NSCLC patients on arm 1b will receive combination therapy with NC318 and pembrolizumab.
Arm 2 (naïve to PD-1 axis inhibitor)- NC318 and PembrolizumabEXPERIMENTALArm 2 will enroll patients with advanced NSCLC who are naïve to PD-1 axis inhibitor therapy to receive therapy with NC318 in combination with pembrolizumab.
Arm 2a (naïve to PD-1 axis inhibitor)- NC318 and PembrolizumabEXPERIMENTALArm 2a will enroll patients with advanced NSCLC who are naïve to PD-1 axis inhibitor therapy to receive combination therapy with NC318 and pembrolizumab.
NC318 8mgEXPERIMENTALPhase 1 Dose Escalation (Cohort -1): Subjects received NC318 IV at 8mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
NC318 24mgEXPERIMENTALPhase 1 Dose Escalation (Cohort 1): Subjects received NC318 IV at 24mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
NC318 80mgEXPERIMENTALPhase 1 Dose Escalation/Safety Expansion (Cohort 2): Subjects received NC318 IV at 80mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
NC318 240mgEXPERIMENTALPhase 1 Dose Escalation/Safety Expansion (Cohort 3): Subjects received NC318 IV at 240mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
NC318 400mgEXPERIMENTALPhase 1 Dose Escalation/Safety Expansion (Cohort 4): Subjects received NC318 IV at 400mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
NC318 800mgEXPERIMENTALPhase 1 Dose Escalation (Cohort 5): Subjects received NC318 IV at 800mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
NC318 1600mgEXPERIMENTALPhase 1 Dose Escalation (Cohort 6): Subjects received NC318 IV at 1600mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
Dose Expansion: 400mg Q2WEXPERIMENTALPhase 2 Dose Expansion (400mg): Subjects received NC318 IV at 400mg Q2W until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).
Dose Expansion: 800mg QWEXPERIMENTALPhase 2 Dose Expansion (800mg): Subjects received NC318 IV at 800mg QW for 8 weeks, then Q2W thereafter until disease progression, withdraw of consent, or intolerable toxicity (whichever comes first).

Interventions

NameTypeDescription
NC318 800 mgDRUGNC318 will be given intravenously (IV) weekly for 8 doses and then every 2 weeks for patients receiving combination therapy treatment or weekly for patient receiving NC318 in monotherapy.
NC318 400 mgDRUGNC318 will be given intravenously (IV) every 2 weeks.
PembrolizumabDRUGPembrolizumab 200 mg will be given IV every 3 weeks
NC318DRUGNC318 is an experimental antibody drug that may make the immune response more active against cancer.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Histologically or cytologically documented, locally advanced or metastatic (i.e., Stage IIIB not eligible for definitive chemoradiotherapy, Stage IV, or recurrent) NSCLC (per the American Joint Committee /AJCC staging system) * ECOG performance status of 0 to 1 * Measurable di...

Countries:United States
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Competitive Landscape -Non-Small Cell Lung Cancer 393 trials (matched to "Advanced Non-small Cell Lung Cancer")

Recent Changes (Last 90 Days)

LOWMay 26, 2026NCT04699123primaryCompletionDate: changed
LOWMay 24, 2026NCT04699123studyFirstPostDate: changed

Frequently asked questions about NC318

What is NC318 used for?

NC318 is an investigational small molecule being studied for the treatment of advanced or metastatic solid tumors and advanced non-small cell lung cancer. It is being evaluated in clinical trials for these oncology indications, with studies including patients with lung cancer, breast cancer, head and neck squamous cell carcinoma, endometrial cancer, melanoma, colorectal cancer, urothelial carcinoma, and cholangiocarcinoma.

Who makes NC318?

NC318 is being developed by NextCure, Inc., a biopharmaceutical company. The company's stock trades under the ticker symbol NXTC. NextCure is conducting clinical trials to evaluate the safety and efficacy of NC318 in patients with advanced or metastatic solid tumors and advanced non-small cell lung cancer.

What phase is NC318 in?

NC318 is currently in Phase 2 clinical development. A Phase 2 study is evaluating NC318 alone or in combination with pembrolizumab in patients with advanced non-small cell lung cancer. The drug is investigational and has not been approved by regulatory authorities. An earlier Phase 1 study has been completed.

What clinical trials is NC318 in?

NC318 has been studied in two clinical trials. NCT03665285 was a completed Phase 1 safety and tolerability study in advanced or metastatic solid tumors with 109 participants. NCT04699123 is an active Phase 2 study of NC318 alone or in combination with pembrolizumab in advanced non-small cell lung cancer, with 159 participants enrolled.

Is NC318 the same as NC318 800 mg?

Yes, NC318 800 mg refers to the same drug, NC318, at a specific dose level. The 800 mg designation indicates the dose being evaluated in clinical studies. The drug is being developed by NextCure, Inc. for the treatment of advanced or metastatic solid tumors and advanced non-small cell lung cancer.