A Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of TT125-802 in Subjects With Advanced Solid Tumors

Completed · Phase 1

Conditions studied: Advanced Solid Tumor, Adult Solid Tumor, Adult Disease, Cancer, NSCLC, EGFR, KRAS G12C, Squamous Cell Lung Cancer

In brief

The purpose of this study is to test the safety and therapeutic effect of TT125-802 (single agent) in subjects with advanced solid tumors.

Key facts

Study ID

NCT06403436

Run by

TOLREMO therapeutics AG

People needed

45

Starts

2023-11-07

Expected to finish

2026-06-30

Last updated by the study team

2026-07-07

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Males and nonpregnant and non-breastfeeding females, aged ≥ 18 years of age at the time of signing the informed consent.
• Subjects with advanced solid tumors resistant or refractory to standard treatment.
• Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
• Measurable disease per RECIST 1.1 criteria.
• Adequate hematological function defined by absolute neutrophil count, ≥ 1.5 × 10\^9/L, platelet count ≥ 100 × 10\^9/L, and hemoglobin ≥ 9 g/dL, and without growth factor treatment or blood transfusion within 2 weeks before the study intervention start.
• Adequate hepatic function defined by total bilirubin level ≤ 1.5 × upper limit of normal (ULN), aspartate aminotransferase (AST) level ≤ 3 × ULN, and an alanine aminotransferase (ALT) level ≤ 3 × ULN.
• Adequate renal function defined by creatinine clearance > 60 mL/min according to the Cockcroft-Gault equation or creatinine levels <1.5 mg/dl.
• Adequate coagulation laboratory assessments, as follows: Prothrombin time (PT) or partial thromboplastin time (PTT) < 1.5 x upper limit of normal (ULN), or international normalized ratio (INR) < 1.5 or within target range if on prophylactic anticoagulation therapy.
• Life expectancy of > 3 months, in the opinion of the Investigator.
• Willing to adhere to contraception, egg and sperm donation, the fasting requirement, and other criteria as described in lifestyle restrictions
• Capable of giving signed informed consent.

You may not qualify if…

• Clinically significant (i.e., active) uncontrolled intercurrent illness.
• Presence of brain metastases unless clinically stable.
• History or presence of malignancies unless curatively treated with no evidence of disease ≥ 2 years.
• Subjects with known human immunodeficiency virus and/or active viral hepatitis (B and/or C), and subjects on viral hepatitis B therapy are excluded. However, subjects with hepatitis C treated with curative therapy are not considered actively infected.
• Subject received a live vaccine within 30 days prior to the first dose of the study treatment administration.
• Serious gastrointestinal bleeding within 3 months, refractory nausea and vomiting, uncontrolled diarrhea, known malabsorption, significant small bowel resection or gastric bypass surgery, use of feeding tubes, other chronic gastrointestinal disease, and/or other situation that may preclude adequate absorption of oral medications.
• Subjects that have received a strong CYP3A4 inhibitor within 7 days prior to the first dose of TT125-802 or a strong CYP3A4 inducer within 14 days prior to the first dose of TT125-802.
• Hypersensitivity to the active substance or to any of the excipients of TT125-802.

Where it is running

• Sarah Cannon Research Institute Oncology Partners — Nashville, Tennessee, United States
• NEXT Oncology Virginia — Fairfax, Virginia, United States
• NEXT Oncology Barcelona — Barcelona, Spain
• Vall d'Hebron Institute of Oncology — Barcelona, Spain
• NEXT Oncology Madrid — Madrid, Spain
• Ente Ospedaliero Cantonale — Bellinzona, Switzerland
• Centre Hospitalier Universitaire Vaudois — Lausanne, Switzerland

Full record on ClinicalTrials.gov

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