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NC318

Phase 2

Advanced Non-small Cell Lung Cancer | Biologics | Oncology |NextCure, Inc.|Trials Updated: Aug 21, 2026

NC318 development status

Highest phase Phase 2
Registered trials 2 across 1 sponsor since Sep 2018

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment268

FDA Designations

No designations recorded

NC318 clinical trials

NC318 · 2 trials · 10 indications

Phase 2 1Phase 1/2 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 550 trials (matched to "Advanced Non-small Cell Lung Cancer")

Top 20 of 90 competitors

CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK39PHASE3Pembrolizumab, Olaparib, Sacituzumab tirumotecan, Intismeran autogene, Pembrolizumab Berahyaluronidase alfa
Revolution Medicines, Inc.RVMD9PHASE3Daraxonrasib, Zoldonrasib, Elironrasib, RMC-5127
Eli Lilly and CompanyLLY18PHASE3Selpercatinib, Pemetrexed, Abemaciclib, Olomorasib, LY3537982
AbbVie, Inc.ABBV12PHASE3Telisotuzumab vedotin, ABBV-1480, Livmoniplimab, Budigalimab, Telisotuzumab Adizutecan
AstraZeneca PLCAZN69PHASE3Datopotamab deruxtecan, Durvalumab, Oleclumab, Monalizumab, Tremelimumab
Gilead Sciences, Inc.GILD7PHASE3Sacituzumab govitecan, Zimberelimab, Domvanalimab, Etrumadenant, TUB-040- Dose escalation
Bristol-Myers Squibb CompanyBMY24PHASE3Repotrectinib, Nivolumab, Pumitamig, Relatlimab, Adagrasib
Johnson & JohnsonJNJ19PHASE3Lazertinib, Amivantamab, JNJ-90301900, JNJ-86974680, Cetrelimab
BioNTech SE Sponsored ADRBNTX7PHASE3Gotistobart, Pumitamig, BNT326, BNT116, BNT324
Pfizer Inc.PFE21PHASE3Lorlatinib, Crizotinib, Avelumab, Talazoparib, Axitinib
Amgen Inc.AMGN4PHASE3ABP 234, Sotorasib, Anvumetostat
Novartis AG Sponsored ADRNVS11PHASE3Opnurasib, TNO155, DKY709, Spartalizumab, KFA115
GSK plc Sponsored ADRGSK3PHASE3Dostarlimab, Belrestotug, Nelistotug, Cobolimab
ArriVent BioPharma, Inc.AVBP9PHASE3Firmonertinib
Summit Therapeutics IncSMMT2PHASE3Ivonescimab
Genmab A/S Sponsored ADRGMAB4PHASE3Acasunlimab, Rina-S, GEN1042
Nuvation Bio, Inc. Class ANUVB4PHASE3Taletrectinib
Regeneron Pharmaceuticals, Inc.REGN7PHASE2Cemiplimab, Marlotamig, Fianlimab, REGN5093
Nuvalent, Inc. Class ANUVL1PHASE3Neladalkib
BeOne Medicines Ltd. Sponsored ADRONC7PHASE3Tislelizumab, BGB-A445, LBL-007, BGB-15025, BGB-43395
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Recent Changes (Last 90 Days)

MEDIUMAug 21, 2026NCT04699123primaryCompletionDate: changed
MEDIUMAug 21, 2026NCT04699123primaryCompletionDate: changed

Frequently asked questions about NC318

What is NC318?

NC318 is an investigational small molecule immunotherapy being developed by NextCure, Inc. for advanced solid tumors. It is in Phase 2 clinical development for advanced non-small cell lung cancer and has also been studied in a completed Phase 1 trial in advanced or metastatic solid tumors. NC318 is not approved for any indication.

What is NC318 used for?

NC318 is being studied for advanced non-small cell lung cancer, where it is tested alone or in combination with pembrolizumab. It was also evaluated in a completed Phase 1 study across advanced or metastatic solid tumors, including lung, breast, head and neck, endometrial, melanoma, colorectal, urothelial, and cholangiocarcinoma cancers.

Who makes NC318?

NC318 is developed by NextCure, Inc., a biopharmaceutical company that trades on the Nasdaq under the ticker NXTC. NextCure is the sponsor of the clinical program evaluating NC318 in advanced non-small cell lung cancer and previously in advanced or metastatic solid tumors.

What phase is NC318 in?

NC318 is in Phase 2 clinical development. The ongoing Phase 2 trial, NCT04699123, is active but not recruiting and is testing NC318 alone or with pembrolizumab in advanced non-small cell lung cancer. A separate Phase 1 safety and tolerability study, NCT03665285, has been completed.

What clinical trials is NC318 in?

NC318 has been studied in two registered trials. NCT04699123 is a Phase 2 study of NC318 alone or in combination with pembrolizumab in advanced non-small cell lung cancer, with 159 patients enrolled in the United States. NCT03665285 is a completed Phase 1 safety and tolerability study in advanced or metastatic solid tumors that enrolled 109 patients.