Actively Recruiting

Phase 1
Phase 2
Age: 18Years +
All Genders
NCT06090266

A Study of OR502, a Monoclonal Antibody Targeting LILRB2, Alone and in Combination With Anticancer Agents

Led by OncoResponse, Inc. · Updated on 2025-01-07

168

Participants Needed

4

Research Sites

170 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This is an open-label, multicenter, first-in-human dose-escalation and expansion Phase 1-2 study designed to determine the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary anti-tumor activity of OR502 administered as a monotherapy and in combination with cemiplimab in subjects with advanced solid tumors.

CONDITIONS

Official Title

A Study of OR502, a Monoclonal Antibody Targeting LILRB2, Alone and in Combination With Anticancer Agents

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Signed informed consent before any study procedures
  • Male or female aged 18 years or older
  • Histological diagnosis of carcinoma, sarcoma, melanoma with progressive metastatic or locally advanced disease not curable by local therapy for Parts A and B1
  • Histological diagnosis of cutaneous squamous cell carcinoma or platinum-resistant ovarian cancer with advanced/metastatic disease for expansion cohorts B2-B3
  • Prior anti-cancer therapy showing progression or intolerance, or no available proven therapies for Parts A and B1
  • Prior PD-(L)1 inhibitor therapy for mini-expansion cohorts B4 (melanoma) and B5 (non-small cell lung cancer), with clinical benefit on prior immunotherapy
  • For cohort B2, prior PD-(L)1 inhibitor therapy without additional immunotherapy
  • For cohort B3, prior platinum-based therapy with progression within 6 months; prior anti-PD-1 therapy allowed
  • Measurable disease by RECIST v1.1
  • Use of effective birth control if of childbearing potential
  • Resolution of prior significant therapy-related adverse events to Grade 1 or less
  • Minimum washout periods after prior therapies (2 weeks for hormone therapy, 3 weeks for other systemic or radiation therapies)
  • Adequate organ function
  • Ability to provide archival tumor tissue or approval for lack thereof
  • Consent for biopsies in certain cohorts (optional for some)
  • Ability and willingness to comply with study protocol and assessments
  • Affiliation to social security or similar as required by local law
Not Eligible

You will not qualify if you...

  • History of severe hypersensitivity to monoclonal antibody treatments
  • Life expectancy less than 12 weeks
  • ECOG performance status greater than 2
  • Prior organ or stem cell transplant
  • Symptomatic ascites or pleural effusion unless stable for at least 2 weeks
  • Active central nervous system tumors or metastases unless stable and off steroids
  • History of hematologic malignancy, primary brain tumor, or other malignancies unless disease-free for specified durations
  • Uncontrolled or recent serious infections including viral, bacterial, fungal, HIV without stable treatment, active hepatitis B or C, or tuberculosis
  • Autoimmune or inflammatory conditions requiring systemic anti-inflammatory therapy except specified exceptions
  • Recent use of systemic corticosteroids or immunosuppressive drugs except permitted replacements
  • QTc interval of 470 msec or greater
  • Receipt of investigational products or live vaccines within 30 days prior to study
  • For certain cohorts, hypersensitivity to cemiplimab, interstitial lung disease, prior severe pneumonitis, or severe immune-related adverse reactions to ipilimumab
  • Concurrent anti-cancer therapies except allowed hormonal therapies
  • Medical or surgical conditions that may interfere with study or pose risk
  • Recent history of chronic substance abuse
  • Pregnancy, breastfeeding, or expectation to conceive or father children during study
  • Vulnerable persons unable to consent or under specific legal protections

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 4 locations

1

NEXT Austin

Austin, Texas, United States, 78758

Actively Recruiting

2

NEXT Dallas

Irving, Texas, United States, 75039

Actively Recruiting

3

NEXT Oncology

San Antonio, Texas, United States, 78229

Actively Recruiting

4

NEXT Virginia

Fairfax, Virginia, United States, 22031

Actively Recruiting

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Research Team

L

Lesley Skingley

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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