Status:
COMPLETED
A Study to Assess Efficacy of RXC004 +/- Nivolumab in Ring Finger Protein 43 (RNF43) or R-spondin (RSPO) Aberrated, Metastatic, Microsatellite Stable, Colorectal Cancer After Progression on Standard of Care (SOC)
Lead Sponsor:
Redx Pharma Ltd
Conditions:
Colorectal Cancer
Eligibility:
All Genders
18+ years
Phase:
PHASE2
Brief Summary
This is a Phase II, open label, multicentre, multi-arm, study to evaluate the preliminary efficacy and safety of RXC004 as monotherapy and in combination with nivolumab in patients with Ring finger pr...
Detailed Description
The study is composed of two arms, RXC004 monotherapy (Arm A) and RXC004 in combination with nivolumab (Arm B). 20 evaluable patients will be enrolled in Arm A and 20 eligible patients in Arm B. The ...
Eligibility Criteria
Inclusion
- Histological documentation of metastatic (Stage IV) Colorectal cancer (CRC) and
- Documented tumour tissue aberration in RNF43 and/or RSPO
- Documented confirmation of microsatellite stable (MSS) status
- Patients must have had documented radiological progression following a minimum of 1 prior SOC treatment regimen for metastatic disease
- Eastern Cooperative Oncology Group performance status 0 or 1
- At least one lesion that is measurable by RECIST 1.1 at baseline
- Patients must have at least one lesion suitable for biopsy at screening and be willing to provide mandatory tumour biopsy samples
- Patients with adequate organ functions
- Female patients of childbearing potential must have a negative pregnancy test prior to start of dosing
- Female patients of childbearing potential and male patients with female partners of childbearing potential must agree to use a highly effective method of contraception during the study and for at least 5 months after the last dose of study drug.
- For patients on RXC004 monotherapy treatment (Arm A) the following inclusion criteria will also apply to enter the RXC004 + nivolumab treatment phase:
- Patients must have had documented RECIST1.1 defined radiological progression on RXC004 monotherapy treatment on the first scheduled scan (week 8 +/- 1 week)
- Patients must receive Cycle 1 Day 1 of combination study treatment within 28 days of the first scheduled scan (week 8 +/- 1 week).
Exclusion
- Prior therapy with a compound of the same mechanism of action as RXC004
- Patients at higher risk of bone fractures
- Any known uncontrolled inter-current illness or persistent clinically significant toxicity related to prior anti-cancer treatment
- Patients who have any history of an active (requiring treatment) other malignancy within 2 years of study entry
- Patients with known or suspected brain metastases
- Use of anti-neoplastic agents, immunosuppressants and other investigational drugs
- Patients with a known hypersensitivity to any RXC004 excipients
- Patients with a contra-indication for denosumab treatment
- Patients who are pregnant or breast-feeding
- Use of any live or live-attenuated vaccines against infectious diseases (e.g., influenza nasal spray, varicella) within 4 weeks (28 days) of initiation of study treatment
- Patients with a mean resting corrected QTcF \>470 ms, obtained from triplicate electrocardiograms performed at screening
- For patients on RXC004 + nivolumab combination treatment (Arm B or Arm A RXC004 + nivolumab treatment phase):
- Patients with any contraindication to the use of nivolumab
- Patients with active or prior documented autoimmune or inflammatory disorders within the past 5 years
- Patients with active infections, including tuberculosis, hepatitis B, hepatitis C or human immunodeficiency virus
- Patients with a history of allogeneic organ transplant or active primary immunodeficiency
- Patients with a known hypersensitivity to nivolumab or any of the excipients of the product
Key Trial Info
Start Date :
November 8 2021
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 2 2024
Estimated Enrollment :
25 Patients enrolled
Trial Details
Trial ID
NCT04907539
Start Date
November 8 2021
End Date
April 2 2024
Last Update
April 16 2025
Active Locations (22)
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1
Providence Medical Foundation
Santa Rosa, California, United States, 95403
2
Community Health Network Cancer Center North - Community Hospital Network
Indianapolis, Indiana, United States, 46250
3
OptumCare Cancer Care
Las Vegas, Nevada, United States, 89102
4
UT MD Anderson Cancer Center
Houston, Texas, United States, 77030-4000