Actively Recruiting

Phase 1
Age: 18Years +
All Genders
NCT05547321

Efficacy and Safety Study of OMTX705, Monotherapy and Anti-PD-1-combined, in Subjects With Advanced Solid Tumors.

Led by Oncomatryx Biopharma S.L. · Updated on 2025-11-25

150

Participants Needed

9

Research Sites

266 weeks

Total Duration

On this page

Sponsors

O

Oncomatryx Biopharma S.L.

Lead Sponsor

C

Centro de Investigación del Cáncer Universidad de Salamanca

Collaborating Sponsor

AI-Summary

What this Trial Is About

Open-label, two parallel arm, multicenter, Phase 1 dose-escalation study to evaluate the safety and tolerability of OMTX705, both as monotherapy or in combination with pembrolizumab (Part 1) or tislelizumab (Part 2) in the treatment of patients with advanced or metastatic cancer in whom there is no available standard therapeutic option.

CONDITIONS

Official Title

Efficacy and Safety Study of OMTX705, Monotherapy and Anti-PD-1-combined, in Subjects With Advanced Solid Tumors.

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Male and female patients aged 18 years and older
  • Histologically confirmed advanced or metastatic solid tumors without standard effective treatment, including specific tumor types such as pancreatic, gastric, head and neck, lung, ovarian, mesothelioma, breast, colorectal, and FAP-positive sarcomas
  • For certain cohorts, specific tumor characteristics such as FAP expression or prior lines of treatment are required
  • Measurable disease by imaging scans within 2 weeks before consent
  • Documented disease progression or need for therapy change approved by medical monitor
  • ECOG performance status of 0 or 1
  • Serum albumin level of at least 3.0 g/dL
  • Adequate bone marrow, liver, and kidney function as defined by lab criteria
  • Women of childbearing potential and men with partners must agree to contraception requirements
  • Suitable venous access for drug administration and sample collection
  • Availability of tumor biopsy samples for research, either archival or fresh, depending on study part and cohort
  • Patients with tumors with actionable mutations must have progressed on or be contraindicated for approved targeted therapies
Not Eligible

You will not qualify if you...

  • Treatment with systemic anticancer therapy, investigational drugs, or major surgery within 4 weeks before study drug or five half-lives, whichever is shorter
  • Uncontrolled brain metastases or recent unstable brain lesions
  • Recent radiotherapy within 4 weeks (or 1 week for limited field) without recovery to mild or no side effects
  • Active infection requiring antibiotic treatment (except minor localized infections)
  • Serious uncontrolled medical disorders or conditions that impair study compliance
  • Frequent drainage or permanent drainage devices for ascitic or pleural fluid
  • Psychiatric or social conditions limiting informed consent or study compliance
  • Active second invasive cancers except certain stable or in situ cancers
  • Severe cardiovascular disease (NYHA class III or IV)
  • Recent stroke or myocardial infarction within 3 months
  • Moderate or worse peripheral neuropathy
  • Prolonged QTc interval above 470 msec unless pacemaker present (Part 2)
  • History of autoimmune disease requiring systemic immunosuppression for combination therapy cohorts
  • Prior discontinuation of immune checkpoint inhibitors due to immune-related adverse events
  • History of pneumonitis, recent live vaccines, or myocarditis for combination therapy cohorts
  • Hepatitis B or C infection with detectable viral load
  • Known allergy to study drugs or related products
  • Pregnant or breastfeeding women, or men planning fatherhood or sperm banking
  • Use of strong inhibitors or inducers of specific liver enzymes within 14 days before dosing
  • For Part 1, sarcoma patients without confirmed FAP expression require special approval

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 9 locations

1

Beth Israel Deaconess Medical Center

Boston, Massachusetts, United States, 02215

Actively Recruiting

2

Hospital Universitari Vall d'Hebron

Barcelona, Barcelona, Spain

Not Yet Recruiting

3

ICO L'Hospitalet

L'Hospitalet de Llobregat, Barcelona, Spain

Actively Recruiting

4

Hospital Clínico Universitario de Santiago

Santiago de Compostela, Galicia, Spain, 15706

Not Yet Recruiting

5

Hospital Universitario de Donostia

San Sebastián, Guipúzcoa, Spain

Actively Recruiting

6

Hospital 12 Octubre

Madrid, Madrid, Spain

Actively Recruiting

7

Hospital MD Anderson

Madrid, Madrid, Spain

Actively Recruiting

8

Clínica Universitaria de Navarra

Pamplona, Navarre, Spain

Actively Recruiting

9

Onkologikoa

San Sebastián, Spain

Actively Recruiting

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Research Team

I

Ignacio García-Ribas, MD

CONTACT

S

Susana Román

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

PARALLEL

Primary Purpose

OTHER

Number of Arms

7

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Efficacy and Safety Study of OMTX705, Monotherapy and Anti-PD-1-combined, in Subjects With Advanced Solid Tumors. | DecenTrialz