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TGI-5

Phase 1

CRC (Colorectal Cancer) | Small molecule | Oncology |TG Therapeutics, Inc.|Last Updated: Jan 29, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment194

FDA Designations

No designations recorded

Clinical trial landscape

TGI-5 · 1 trial · 4 indications

Phase 1 1
NCT07376707A Phase 1 Study of TGI-5 as Monotherapy and in Combination With Nivolumab in Subjects With Locally Advanced/Metastatic Solid TumorsCRC (Colorectal Cancer)
RECRUITING194 Analytics
PHASE1RECRUITING
A Phase 1 Study of TGI-5 as Monotherapy and in Combination With Nivolumab in Subjects With Locally Advanced/Metastatic Solid Tumors
CRC (Colorectal Cancer)Unlock trial analytics

Study Endpoints

Primary Endpoints

Dose-limiting Toxicity (DLT)
First 28 days of treatment.

The incidence of DLTs during the DLT assessment period

Frequency and Severity of Adverse Events (AE)
Screening to 30 days from last dose

The incidences and percentages of patients experiencing AEs summarized by NCI CTCAE version 5.0 grade and by causality.

Secondary Endpoints

Pharmacokinetics of TGI-5
Day 1 of dosing through 30 days post last dose
Objective Response Rate (ORR)
Approximately 2 years.
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Dose escalation of TGI-5 as monotherapy,Dose Escalation of TGI-5 in Combination with NivolumabEXPERIMENTALAt the Phase 1a of this study, 0.01 mg/kg is proposed as the starting dose of TGI-5 as monotherapy for the FIH study. An accelerate titration and then traditional "3+3" dose escalation design will be used to explore the maximum tolerated dose (MTD)/optimal biological dose (OBD). Subjects will receive TGI-5 at the assigned dose regimen in combination with a fixed dose of Nivolumab (240 mg, IV infusion) Q2W, and the DLT assessment will be conducted in the subjects during the DLT evaluation period (Cycle 1).

Interventions

NameTypeDescription
TGI-5DRUGSubjects will receive TGI-5 as monotherapy in Phase 1a by Q2W for 28-day cycles. Subjects will receive TGI-5 in combination with Nivolumab in Phase 1b by Q2W for 28-day cycles.
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Eligibility Criteria

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

Inclusion Criteria: * 1\. Male or female subject age ≥18 years at the time of informed consent. 2. Phase 1a and dose escalation part of Phase 1b: Subjects with histologically or cytologically diagnosed unresectable locally advanced/metastatic solid tumors, mainly but not limited to CRC, HCC, melano...

Countries:China
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Competitive Landscape -Colorectal Cancer 258 trials (matched to "CRC (Colorectal Cancer)")

Frequently asked questions about TGI-5

What is TGI-5 used for?

TGI-5 is an investigational small molecule being developed for the treatment of colorectal cancer (CRC). It is also being studied in other solid tumors, including melanoma, hepatocellular carcinoma (HCC), and non-small cell lung cancer (NSCLC). The drug is currently in Phase 1 clinical development.

What does TGI-5 target?

TGI-5 is a small molecule oncology drug. Its specific molecular target has not been disclosed in available clinical trial information. The drug is being evaluated as a monotherapy and in combination with nivolumab in patients with locally advanced or metastatic solid tumors.

Who is developing TGI-5?

TGI-5 is being developed by TG Therapeutics, Inc., a biopharmaceutical company traded on NASDAQ under the ticker symbol TGTX. The company is conducting a Phase 1 clinical trial of TGI-5 in patients with advanced solid tumors.

What phase is TGI-5 in?

TGI-5 is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The ongoing Phase 1 study is recruiting patients with locally advanced or metastatic solid tumors, including colorectal cancer.

What clinical trials is TGI-5 in?

TGI-5 is being studied in a Phase 1 clinical trial registered as NCT07376707. This open-label, uncontrolled study evaluates TGI-5 as a monotherapy and in combination with nivolumab in patients with locally advanced or metastatic solid tumors. The trial is recruiting participants in China and aims to enroll 194 patients.

Is TGI-5 being studied in combination with other drugs?

Yes, TGI-5 is being evaluated both as a monotherapy and in combination with nivolumab, an immune checkpoint inhibitor. The Phase 1 trial NCT07376707 is assessing this combination in patients with advanced solid tumors, including colorectal cancer, melanoma, hepatocellular carcinoma, and non-small cell lung cancer.