Skip to content

A Study of MGC028 in Participants With Advanced Solid Tumors

A Phase 1, First-in-Human, Open Label, Dose Escalation and Cohort Expansion Study of MGC028 in Participants With Advanced Solid Tumors

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06723236
Enrollment
124
Registered
2024-12-09
Start date
2025-02-13
Completion date
2027-04-01
Last updated
2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advanced Solid Tumors, Cholangiocarcinoma, Colorectal Carcinoma, NSCLC Adenocarcinoma, Pancreatic Carcinoma

Brief summary

The goal of this clinical trial is to characterize the safety, tolerability, dose-limiting toxicities (DLT), and maximum tolerated dose (MTD) or maximum administered dose of MGC028 (if no MTD is defined). The study will enroll adult participants with relapsed or refractory, unresectable, locally advanced of metastatic solid tumors known to express ADAM9. The main question the study aims to answer is: * What types of side effects will participants experience when receiving MGC028? * Can MGC028 cause cancer to shrink, remain stable, or able to control disease progression of participants with advanced solid tumors? Participants will * Undergo screening procedures to determine eligibility * Receive study treatments initially every 3 weeks. * Have blood samples taken for routine and research tests * Have other examinations to check heart and lung function, and general health status * Be asked about any side effects that may be happening or other medications you are taking. The study doctor will provide treatment for side effects, if necessary. * Have the study doctor assess your tumor status at regular intervals to determine how you are responding to treatment.

Interventions

BIOLOGICALMGC028

MGC028 is an antibody-drug conjugate targeted against ADAM9.

Sponsors

MacroGenics
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Participants in dose escalation or supplemental cohorts must have histologically proven unresectable, locally advanced or metastatic solid tumor limited to one of the following types: NSCLC adenocarcinoma, cholangiocarcinoma, colorectal carcinoma (CRC), or pancreatic carcinoma that is refractory to standard therapy, or for which standard therapy does not exist, has proven to be intolerable, or has been refused by the participant. * Participants in expansion cohorts must have either * NSCLC adenocarcinoma with * progression on or following anti-PD-1/PD-L1 inhibitor, unless contraindicated * progression on or following therapy for actionable mutations (e.g. EGFR or ALK mutations), if present * no more than 2 prior lines of cytotoxic chemotherapy for advanced or metastatic disease. * Pancreatic cancer * following at least 1 systemic therapy * no more than 2 prior lines of cytotoxic therapy for advanced or metastatic disease. * Colorectal adenocarcinoma with * Progression during or following standard therapy with a fluoropyrimidine-based chemotherapy, oxaliplatin and irinotecan unless contraindicated, refused or unavailable * Progression after prior targeted treatment for CRC with actionable mutations such as EGFR, KRAS, BRAF and MSI- H/dMMR, if present. * No more that 2 lines of cytotoxic chemotherapy for advanced or metastatic disease * No more than 4 lines of systemic regimens for advanced or metastatic disease * Participants must have at least one lesion that meets the definition of measurable disease by RECIST v1.1. * Participants must have an available archival or formalin-fixed paraffin-embedded tumor tissue or be willing to undergo a biopsy procedure to obtain a fresh tumor sample. * Participants have acceptable physical condition and laboratory values. * Participants of childbearing potential must agree to use highly effective methods of birth control. * Participants must not be pregnant, planning to be pregnant, or breastfeeding.

Exclusion criteria

* Any underlying medical or psychiatric condition impairing participant's ability to receive, tolerate, or comply with the planned treatment or study procedures. * Active brain metastases or leptomeningeal metastases. * Prior stem cell, tissue, or solid organ transplant. * Another malignancy that required treatment within the past 2 years, with the exception of those with a negligible risk of metastasis or death such as adequately treated non-melanomatous skin cancer, localized prostate cancer (Gleason Score \< 6), or carcinoma in situ. * Active viral, bacterial, or fungal infection * Prior treatment with ADAM9 targeted agent for cancer. * Prior treatment with major surgery, mediastinal or lung radiation, vaccination with live virus vaccines, systemic cancer treatment, chimeric antigen receptor (CAR)-T cell therapy, or experimental treatment within 4 weeks of the start of study treatment.

Design outcomes

Primary

MeasureTime frameDescription
Number and Types of Adverse Events (AEs) in Participants Receiving MGC028Throughout the study treatment and safety follow up period, up to 25 monthsTypes of AEs include Serious Adverse Events (SAEs), and AEs Leading to Treatment Delay or Discontinuation or Dose Reduction, dose limiting toxicities, and AEs of Special Interest. Observation of side effects determines the highest safe dose for further study

Secondary

MeasureTime frameDescription
Mean maximum concentration of MGC028 antibodyThrough Cycle 6 of the study, approximately 18 weeksMeasurement of the highest concentration of MGC028 conjugated and total antibody in the bloodstream.
Mean Area Under the Concentration Time Curve of MGC028 antibodyThrough Cycle 6 of the study, approximately 18 weeksMeasurement of the total exposure of MGC028 conjugated and total antibody in the bloodstream.
Number of Participants Who Develop Anti-Drug Antibodies to MGC028Throughout the study treatment period, up to 2 years
Objective Response Rate (ORR)Throughout the study and follow up period, up to 2.5 years.The ORR per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 is estimated as the proportion of participants in the Response Evaluable Population who achieve Best Overall Response of Complete Response or Partial Response.
Median Duration of ResponseThroughout the study and follow up period, up to 2.5 years.DoR is defined as the time from the date of initial response (CR or PR) to the date of first documented progression or death from any cause, whichever occurs first.
Mean maximum concentration of MGC028 free payloadThrough Cycle 6 of the study, approximately 18 weeksMeasurement of the highest concentration of MGC028 free payload in the bloodstream.
Mean Area Under the Concentration Time Curve Total exposure of MGC028 payloadThrough Cycle 6 of the study, approximately 18 weeksMeasurement of the total exposure of MGC028 free payload in the bloodstream
Change from baseline in the level of ADAM9 expression in tumor specimens, using immunohistochemistryBaseline and approximately 28 days after the first dose of MGC028.

Countries

United States

Contacts

CONTACTGlobal Trial Manager
info@macrogenics.com301-251-5172
STUDY_DIRECTORPepi Pencheva, M.D.

MacroGenics

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 28, 2026