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TerminatedNCT05012618Updated Dec 24, 2025

A Dose-escalation Study of LUNA18 in Patients With Locally Advanced or Metastatic Solid Tumors (With Expansion).

A Phase 1 interventional study of LUNA18 and Cetuximab in Locally Advanced or Metastatic Solid Tumors, sponsored by Chugai Pharmaceutical. Terminated at 20 sites in 2 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-12-24.

Sponsored by Chugai Pharmaceutical · Phase 1, Interventional, and Treatment

Why this study was terminated
Sponsor decided to discontinue this study upon having LPLV.
Phase
Phase 1
Study type
Interventional
Enrollment
128
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
01

Study summary

This is a Phase 1 dose-escalation and cohort expansion study that will evaluate the safety, pharmacokinetics (PK), pharmacodynamics (PD), and preliminary activity of LUNA18 when administered as a single agent or in combination with other anti-cancer drugs in patients with locally advanced or metastatic solid tumors.

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Conditions studied

  • Locally Advanced or Metastatic Solid Tumors
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In context

Lead sponsor

Chugai Pharmaceutical is the lead sponsor of 63 studies on the registry; 7 are open to participants now.

Of its 7 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Age >= 18 years at time of signing informed consent form
  • ECOG performance status of 0 or 1
  • Patients with a histologically or cytologically proven diagnosis of a locally advanced, recurrent, or metastatic incurable solid tumor for which standard therapy either does not exist or has proven ineffective or intolerable
  • Patients with documented RAS alterations positive solid tumors
  • Patients with measurable disease per RECIST v1.1

Exclusion criteria

Exclusion Criteria:

  • Significant cardiovascular disease, such as New York Heart Association (NYHA) cardiac disease (Class II or greater), unstable angina, or myocardial infarction within the previous 6 months or unstable arrhythmias within the previous 3 months
  • Patients with primary central nervous system (CNS) malignancy, untreated CNS metastases requiring any anti-tumor treatment, or active CNS metastases
  • Patients with current severe, uncontrolled systemic disease (including, but not limited to, clinically significant cardiovascular disease, pulmonary disease, or renal disease, ongoing or active infection)
  • Patients with a history or complication of interstitial lung disease (ILD)
05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
128 participants (actual)

Study arms

  • Experimental
    Dose escalation part (Part A)

    Patients will receive LUNA18 capsule(s) at escalated doses

    Drug: LUNA18

  • Experimental
    Biomarker part (Part B)

    Patients will receive LUNA18 capsule(s) at doses where the tolerability is confirmed in Part A

    Drug: LUNA18

  • Experimental
    Cohort expansion part (Part C)

    Patients will receive LUNA18 capsule(s) at the recommended dose

    Drug: LUNA18

  • Experimental
    Backfill part (Part AA)

    Patients will receive LUNA18 capsule(s) at doses where the tolerability is confirmed in Part A

    Drug: LUNA18

  • Experimental
    Dose finding part (Part D)

    Patients will receive LUNA18 capsule(s) in combination with cetuximab at finding doses

    Drug: LUNA18 · Drug: Cetuximab

  • Experimental
    Cohort expansion part (Part E)

    Patients will receive LUNA18 capsule(s) in combination with cetuximab at the recommended dose

    Drug: LUNA18 · Drug: Cetuximab

Interventions

  • DrugLUNA18

    LUNA18 Capsule

  • DrugCetuximab

    Cetuximab as a IV infusion

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What researchers measure

Primary outcomes

  1. Safety and tolerability of LUNA18 (Dose-limiting toxicities) when administered as a single agent [Part A] and in combination with other anti-cancer drugs [Part D]

    Incidence and nature of dose-limiting toxicities (DLTs)

    Time frame: From Cycle 0 Day 1 until Cycle 1 Day 28 (Cycle 0 is 6-9 days, and Cycle 1 is 28 days)

  2. Safety and tolerability of LUNA18 (Adverse Events) [Part A, AA, B, C, D and E]

    Incidence, nature and severity of adverse events, with severity determined per National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0 (NCI CTCAE v5.0)

    Time frame: From Cycle 0 Day 1 (Cycle 0 is 6-9 days) until study completion or treatment discontinuation (up to approximately 43 months)

  3. Plasma concentrations of LUNA18 when administered as a single agent [Part A, AA] and in combination with other anti-cancer drugs [Part D]

    Plasma concentrations of LUNA18

    Time frame: From Cycle 0 Day 1 (Cycle 0 is 6-9 days) until study completion or treatment discontinuation (up to approximately 43 months)

  4. Maximum plasma concentration (Cmax) of LUNA18 when administered as a single agent [Part A, AA] and in combination with other anti-cancer drugs [Part D]

    Maximum plasma concentration (Cmax) of LUNA18

    Time frame: From Cycle 0 Day 1 (Cycle 0 is 6-9 days) until study completion or treatment discontinuation (up to approximately 43 months)

  5. Time to reach maximum plasma drug concentration (Tmax) of LUNA18 when administered as a single agent [Part A, AA] and in combination with other anti-cancer drugs [Part D]

    Time to reach maximum plasma drug concentration (Tmax) of LUNA18

    Time frame: From Cycle 0 Day 1 (Cycle 0 is 6-9 days) until study completion or treatment discontinuation (up to approximately 43 months)

  6. Area under the concentration versus time curve (AUC) of LUNA18 when administered as a single agent [Part A, AA] and in combination with other anti-cancer drugs [Part D]

    Area under the concentration versus time curve (AUC) of LUNA18

    Time frame: From Cycle 0 Day 1 (Cycle 0 is 6-9 days) until study completion or treatment discontinuation (up to approximately 43 months)

  7. Phosphorylation level of ERK protein (pERK) in tumor tissues [Part B]

    Phosphorylation level of ERK protein (pERK) in tumor tissues biomarkers as applicable in tumor tissues

    Time frame: From screening until the time of clinical responses and/or the time of progressive disease (up to approximately 43 months), if feasible

  8. Preliminary anti-tumor activity of LUNA18 when administered as a single agent [Part B, C] and in combination with other anti-cancer drugs [Part E]

    Objective response, defined as a confirmed complete response (CR) or partial response (PR) as best overall response per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1)

    Time frame: From screening until disease progression, study discontinuation, withdrawal or death, whichever occurs first (up to approximately 43 months)

Secondary outcomes

  1. Preliminary anti-tumor activity of LUNA18 when administered as a single agent [Part A, Part AA] and in combination with other anti-cancer drugs [Part D]

    Objective response, defined as CR or PR as best overall response per RECIST v1.1

    Time frame: From screening until disease progression, study discontinuation, withdrawal or death, whichever occurs first (up to approximately 43 months)

  2. Preliminary anti-tumor activity of LUNA18 [Part A, AA, B, C, D and E]

    Disease control, defined as CR, PR and stable disease (SD) per RECIST v1.1

    Time frame: From screening until disease progression, study discontinuation, withdrawal or death, whichever occurs first (up to approximately 43 months)

  3. Preliminary anti-tumor activity of LUNA18 [Part A, AA, B, C, D and E]

    Duration of response (DoR), defined as the time from the first occurrence of a documented objective response to the time of the first documented disease progression per RECIST v1.1 or death from any cause, whichever occurs first

    Time frame: From screening until disease progression, study discontinuation, withdrawal or death, whichever occurs first (up to approximately 43 months)

  4. Preliminary anti-tumor activity of LUNA18 [Part A, AA, B, C, D and E]

    Progression free survival (PFS), defined as the time from the first study treatment to the first occurrence of progression per RECIST v1.1 or death from any cause, whichever occurs first

    Time frame: From screening until disease progression, study discontinuation, withdrawal or death, whichever occurs first (up to approximately 43 months)

  5. Anti-drug antibody to LUNA18[Part A, AA, B, C, D and E]

    Incidence of anti-LUNA18 antibodies

    Time frame: From Cycle 0 Day 1 (Cycle 0 is 6-9 days) until study completion or treatment discontinuation (up to approximately 43 months)

  6. Plasma concentrations of LUNA18 [Part B, C and E]

    Plasma concentrations of LUNA18

    Time frame: From Cycle 0 Day 1 (Cycle 0 is 6-9 days) until study completion or treatment discontinuation (up to approximately 43 months)

  7. Phosphorylation level of ERK protein (pERK) in tumor tissues [Part A, AA, C, D, E]

    Phosphorylation level of ERK protein (pERK) in tumor tissues biomarkers as applicable in tumor tissues

    Time frame: From screening until the time of clinical responses and/or the time of progressive disease (up to approximately 43 months), if feasible

07

Study locations

20 sites
  • University of California - Davis
    Davis, California 95616, United States
  • Beth Israel Deaconess
    Boston, Massachusetts 02215, United States
  • Dana-Farber Cancer Institute
    Boston, Massachusetts 02215, United States
  • Barbara Ann Karmanos Cancer Institute
    Detroit, Michigan 48201, United States
  • South Texas Accelerated Research Therapeutics (START) Midwest
    Grand Rapids, Michigan 49546, United States
  • Renown Regional Medical Center
    Reno, Nevada 89502, United States
  • Icahn School of Medicine at Mount Sinai
    New York, New York 10029, United States
  • Abramson Cancer Center at Pennsylvania Hospital
    Philadelphia, Pennsylvania 19106, United States
  • Rhode Island Hospital-Comprehensive Cancer Center
    Providence, Rhode Island 02903, United States
  • NEXT Oncology
    Austin, Texas 78758, United States
  • MD Anderson Cancer Center
    Houston, Texas 77030, United States
  • NEXT Virginia
    Fairfax, Virginia 22031, United States
  • University of Wisconsin - Carbone Cancer Center
    Madison, Wisconsin 53792, United States
  • Aichi Cancer Center
    Nagoya, Aichi-ken 464-8681, Japan
  • National Cancer Center Hospital East
    Kashiwa, Chiba 277-8577, Japan
  • Shizuoka Cancer Center
    Nakatogari, Shizuoka 411-0934, Japan
  • National Cancer Center Hospital
    Chuo-Ku, Tokyo 104-0045, Japan
  • The Cancer Institute Hospital of JFCR
    Koto-ku, Tokyo 135-8550, Japan
  • National Hospital Organization Kyushu Cancer Center
    Fukuoka, 811-1395, Japan
  • Osaka International Cancer Institute
    Osaka, 541-8567, Japan
08

References and documents

Individual participant data

Plan to share: Yes — Qualified researchers may request access to individual patient level data through the clinical study data request platform (www.clinicalstudydatarequest.com). For further details on Chugai's Data Sharing Policy and how to request access to related clinical study documents, see here (www.chugai-pharm.co.jp/english/profile/rd/ctds\_request.html).

No publications or documents are linked to this record.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 24, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT05012618
Lead sponsor
Chugai Pharmaceutical
Responsible party
Sponsor
First posted
Aug 19, 2021
Start date
Oct 8, 2021
Primary completion
Nov 13, 2025
Completion
Nov 13, 2025
Last update
Dec 24, 2025

Study contacts

Sponsor Chugai Pharmaceutical Co. Ltd
study director · clinical-trials@chugai-pharm.co.jp

Oversight

FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is terminated, as verified in Dec 2025. You cannot join it, but the record below documents what was studied.

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