RTX-240 Monotherapy

  • STATUS
    Recruiting
  • participants needed
    172
  • sponsor
    Rubius Therapeutics
Updated on 19 February 2024
cancer
platelet count
solid tumour
solid tumor

Summary

Open label, multicenter, multidose, first-in-human Phase 1/2 study of RTX-240 for the treatment of patients with relapsed/refractory or locally advanced solid tumors.

Description

This is a Phase 1/2, open label, multicenter, multidose, first-in-human (FIH) dose escalation and expansion to determine the safety and tolerability, recommended phase 2 dose and optimal dosing interval, pharmacology, and antitumor activity of RTX-240 in adult patients with relapsed/refractory or locally advanced solid tumors. RTX-240 is a cellular therapy that co-expresses 4-1BBL and IL-15TP, a fusion of IL-15 and IL-15 receptor alpha, with the goal of harnessing the innate and adaptive immune systems for the treatment of cancer. The study will include a monotherapy dose escalation phase followed by an expansion phase in specified tumor types.

Details
Condition Solid Tumor, Adult
Age 18years - 100years
Treatment RTX-240
Clinical Study IdentifierNCT04372706
SponsorRubius Therapeutics
Last Modified on19 February 2024

Eligibility

Yes No Not Sure

Inclusion Criteria

Signed written informed consent obtained prior to study procedures
Patients 18 years with an ECOG 0 or 1
Relapsed/Refractory or locally advanced, unresectable solid tumor for which no standard therapy exists, or for which the patient is ineligible or has declined standard therapy
Disease must be measurable per Response Evaluation Criteria
The shorter of 28 days or 5 half-lives must have elapsed since the completion of prior therapy, before initiation of study treatment
Positive antibody screen using institution's standard type and screen test
Adequate Organ Function as Defined by the protocol
GFR 50 mL/min/1.73
AST and ALT 3 the ULN and total bilirubin 1.5 ULN
In the absence of cancer within the liver, or AST and ALT 5 ULN and total bilirubin 3 ULN, in the setting of primary or metastatic liver tumors
ANC 10 103/L and platelet count 100 103/L without myeloid growth factor support or transfusion, respectively, for at least one week
Hemoglobin should be 9 g/dL without red blood cell transfusion for at least two weeks
Patients must have LVEF 45%
Patients enrolling into Part 2 of the study must be diagnosed with a solid tumor that has been selected for an expansion cohort

Exclusion Criteria

Primary CNS malignancy or central nervous system (CNS) involvement, unless asymptomatic, previously treated, and stable without steroids
Known hypersensitivity to any component of study treatment or excipients
Positive antibody screen using institution's standard type and screen test
Clinically significant, active and uncontrolled infection, including human immunodeficiency virus (HIV), Hepatitis B virus (HBV), or Hepatitis C virus (HCV)
Clinically significant coagulopathy, uncontrolled hypertension or autoimmune hemolytic anemia
Concomitant conditions requiring active immunosuppression
Grade 3 immune related Adverse Event (irAE)
Prior malignancy within the past 3 years, with protocol specified exceptions
Clear my responses

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