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GI-101/GI-101A as a Single Agent or in Combination With Pembrolizumab or Lenvatinib in Advanced Solid Tumors

A Phase 1/2, Open-label, Dose-escalation, Dose-optimization and Expansion Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Therapeutic Activity of GI-101/GI-101A as a Single Agent and in Combination With Pembrolizumab or Lenvatinib in Patients With Advanced or Metastatic Solid Tumors (Keynote B59)

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04977453
Enrollment
317
Registered
2021-07-27
Start date
2021-08-02
Completion date
2028-06-30
Last updated
2026-09-14

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

Conditions

Advanced Solid Tumor, Cervical Cancer, Clear Cell Renal Cell Cancer (ccRCC), Metastatic Solid Tumor, Squamous Cell Non Small Cell Lung Cancer, Urothelial Carcinoma

Keywords

GI-101/GI-101A, CD80-IgG4 Fc-IL2 variant, Immunotherapy, IL-2, Interleukin-2, Pembrolizumab, Lenvatinib, CPI-refractory, Immunocytokine

Brief summary

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and therapeutic activity of GI-101/GI-101A as a single agent or in combination with pembrolizumab or lenvatinib over a range of advanced and/or metastatic solid tumors.

Detailed description

This is a Phase 1/2, open-label, dose-escalation, dose-optimization and expansion study to evaluate safety, tolerability, pharmacokinetics, and therapeutic activity of GI-101/GI-101A as a single agent and in combination with pembrolizumab or lenvatinib in patients with advanced or metastatic solid tumors (Keynote B59) This study will comprise six parts. * Part A: Dose-escalation and expansion cohorts of GI-101 monotherapy * Part B: Dose-escalation and expansion cohorts of GI-101 plus pembrolizumab * Part C: Dose-optimization and expansion cohorts of GI-101 plus lenvatinib * Part E: Dose-escalation cohorts of GI-101A monotherapy * Part F: Dose-escalation cohorts of GI-101A plus pembrolizumab * Part G: Dose-optimization and indication-specific cohorts of GI-101A plus pembrolizumab * Part G1: Dose optimization cohorts in CPI-refractory urothelial cancer * Part G2: Indication-specific cohorts in CPI-refractory ccRCC, squamous cell NSCLC and SoC-experienced MSS/pMMR CRC GI-101/GI-101A is a novel bi-specific Fc fusion protein containing the CD80 ectodomain as an N-terminal moiety and an interleukin (IL)-2 variant as a C-terminal moiety configurated via a human immunoglobulin G4 (IgG4) Fc. GI-101A is an abbreviation of advanced GI-101 with an improved formulation for manufacture consistency. Drug Information available for: Pembrolizumab (https://www.keytrudahcp.com), Lenvatinib (http://www.lenvima.com)

Interventions

DRUGGI-101

Recommended phase 2 dose of GI-101 will be administered via IV infusion Q3W up to 2 years (approximately 35 years).

DRUGPembrolizumab (KEYTRUDA®)

Pembrolizumab will be administered at a dose of 200 mg as IV infusion Q3W.

DRUGLenvatinib

Lenvatinib will be administered at an approved dose orally.

DRUGGI-101A

Recommended phase 2 dose of GI-101A will be administered via IV infusion Q3W up to 2 years (approximately 35 years).

Sponsors

GI Innovation, Inc.
Lead SponsorINDUSTRY
Merck Sharp & Dohme LLC
CollaboratorINDUSTRY

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

Key Inclusion Criteria: * Males and females aged ≥ 18 years (or ≥ 19 years according to local regulatory guidelines) at the time of screening. * Has adequate organ and marrow function as defined in protocol. * Measurable disease as per RECIST v1.1. * ECOG performance status 0-1. * Adverse events related to any prior chemotherapy, radiotherapy, immunotherapy, other prior systemic anti-cancer therapy, or surgery must have resolved to Grade ≤1, except alopecia and Grade 2 peripheral neuropathy. * HIV infected patients must be on anti-retroviral therapy (ART) and have a well-controlled HIV infection/disease as defined in protocol. Key

Exclusion criteria

* Has known active CNS metastases and/or carcinomatous meningitis. * An active second malignancy * Has active or a known history of Hepatitis B or known active Hepatitis C virus infection. * Has active tuberculosis or has a known history of active tuberculosis * Active or uncontrolled infections, or severe infection within 4 weeks before study treatment administration. * History of chronic liver disease or evidence of hepatic cirrhosis, except patients with liver metastasis. * Has an active autoimmune disease that has required systemic treatment in past 2 years. * Previous immunotherapies related to mode of action of GI-101. * Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive medications within 2 weeks prior to Cycle 1 Day 1. * Administration of prior systemic anti-cancer therapy including investigational agents within 4 weeks prior to treatment. * Radiotherapy within the last 2 weeks before start of study treatment administration, with exception of limited field palliative radiotherapy * Administration of a live, attenuated vaccine within 4 weeks before Cycle 1 Day 1. * Known hypersensitivity to any of the components of the drug products and/or excipients of GI-101/GI-101A, pembrolizumab or lenvatinib. Other protocol defined inclusion

Design outcomes

Primary

MeasureTime frameDescription
Incidence and nature of Dose-Limiting Toxicity (DLTs), Incidence, nature, and severity of adverse events (AEs) and immune-related AEs (irAEs)Study Day 1, assessed up to approximately 24 monthsDose escalation and optimization phase of Part A, B, and C and Dose escalation phase of Part E and F
Objective Response Rate (ORR), Disease Control Rate (DCR) and Duration of Response (DoR) according to RECIST version 1.1Study Day 1, assessed up to approximately 24 monthsBased on Central review (Part G1) and Investigator review (Part G2) of radiographic imaging in Part G1 Dose optimization cohorts, Part G2 Indication-specific cohorts ORR only; Based on Investigator review of radiographic imaging in dose expansion phase of Part A, B and C

Secondary

MeasureTime frameDescription
Serum concentration of GI-101/GI-101A at specified timepointsStudy Day 1, assessed up to approximately 24 monthsSerum concentration of GI-101/GI-101A at specified timepoints for the following parameters including but not limited to Cmax, Tmax, AUC0-last, AUC0-inf, T1/2, CL, Vd etc. Based on the concentration vs time profile by dose level in Dose escalation and optimization phase of Part A, B, C, E, and Part F and Dose expansion of Part A, B and C, Part G1 Dose optimization cohorts, Part G2 Indication-specific cohorts
Anti-tumor activitiesStudy Day 1, assessed up to approximately 24 monthsAnti-tumor activities, including but not limited to Overall response Rate, Disease Control Rate, Duration of Response, Time to Tumor Response, Progression-free survival, according to RECIST version 1.1, Overall survival. Based on Investigator review of radiographic imaging in Dose escalation and optimization phase of Part A, B, C, E, and Part F, Dose expansion of Part A, B and C, Part G1 Dose optimization cohorts, Part G2 Indication-specific cohorts
Incidence, nature, and severity of adverse events (AEs) graded according to CTCAE v5.0Study Day 1, assessed up to approximately 24 monthsBased on toxicities observed in Dose expansion phase of Part A, B, C, Part G1 Dose optimization cohorts and Part G2 Indication-specific cohorts

Countries

South Korea, United States

Contacts

CONTACTRecruiting sites have contact information. Please contact the sites directly.
clinical@gi-innovation.com+8224042003
STUDY_DIRECTORNari Yun, PhD

GI Innovation

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 15, 2026