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

NCT ID: NCT06403436

Last Updated: 2025-10-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-11-07

Study Completion Date

2026-12-31

Brief Summary

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

Detailed Description

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The purpose of this Phase 1, First-in-Human, Open-label Study is to assess the safety, tolerability, pharmacokinetics, pharmacodynamics, and efficacy of TT125-802 as single agent in subjects with advanced solid tumors.

Conditions

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Advanced Solid Tumor Adult Solid Tumor Adult Disease Cancer NSCLC EGFR KRAS G12C Squamous Cell Lung Cancer

Keywords

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TOLREMO Drug resistance TT125-802 Small molecule Bromodomain inhibitor NSCLC

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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TT125-802 single agent

Group Type EXPERIMENTAL

TT125-802

Intervention Type DRUG

TT125-802 administered orally

Interventions

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TT125-802

TT125-802 administered orally

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* 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.

Exclusion Criteria

* 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.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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TOLREMO therapeutics AG

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Sarah Cannon Research Institute Oncology Partners

Nashville, Tennessee, United States

Site Status RECRUITING

NEXT Oncology Virginia

Fairfax, Virginia, United States

Site Status RECRUITING

NEXT Oncology Barcelona

Barcelona, , Spain

Site Status RECRUITING

Vall d'Hebron Institute of Oncology

Barcelona, , Spain

Site Status RECRUITING

NEXT Oncology Madrid

Madrid, , Spain

Site Status RECRUITING

Ente Ospedaliero Cantonale

Bellinzona, , Switzerland

Site Status RECRUITING

Centre Hospitalier Universitaire Vaudois

Lausanne, , Switzerland

Site Status RECRUITING

Countries

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United States Spain Switzerland

Central Contacts

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Silvio Costanzo, MSc

Role: CONTACT

Phone: +41616382333

Email: [email protected]

Facility Contacts

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Deepak Bhamidipati, MD

Role: primary

Alexander I Spira, MD

Role: primary

Elena Garralda, MD

Role: primary

Irene Braña, MD

Role: primary

Valentina Boni, MD

Role: primary

Ilaria Colombo, MD

Role: primary

Krisztian Homicsko, MD

Role: primary

Other Identifiers

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TT-CSP-001

Identifier Type: -

Identifier Source: org_study_id