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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/ct2/show/NCT05993455




Registration number
NCT05993455
Ethics application status
Date submitted
3/08/2023
Date registered
15/08/2023
Date last updated
15/08/2023

Titles & IDs
Public title
A Phase 2 Basket Trial in Which Patients With Advanced Solid Tumors Carrying the KRAS G12C mUtation Receive Treatment With a Combination of Sotorasib and Panitumumab
Scientific title
A Phase 2 Basket Trial in Which Patients With Advanced Solid Tumors Carrying the KRAS G12C mUtation Receive Treatment With a Combination of Sotorasib and Panitumumab (KRAUS)
Secondary ID [1] 0 0
KRAUS
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Efficacy 0 0
Condition category
Condition code

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Oral sotorasib + IV Panitumumab

Experimental: Oral sotorasib + IV Panitumumab - Oral sotorasib at a dose of 960 mg once daily with Panitumumab is administered intravenously (IV) at a dose of 6 mg/kg every 14 days, infused over 60 minutes (= 1,000 mg) or 90 minutes (> 1,000 mg).


Treatment: Drugs: Oral sotorasib + IV Panitumumab
Oral sotorasib at a dose of 960 mg once daily with Panitumumab is administered intravenously (IV) at a dose of 6 mg/kg every 14 days, infused over 60 minutes (= 1,000 mg) or 90 minutes (> 1,000 mg).
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Objective response rate based on RECIST v1.1
Timepoint [1] 0 0
Imaging tumor assessment time point after Cycle 1 Day 1 (each cycle is 14 days).

Eligibility
Key inclusion criteria
- Patients who have consented to participate in the KOSMOS-II observational master
study.

- Age of 19 years or older.

- Histologically confirmed locally advanced or metastatic solid tumors (excluding
non-small cell lung cancer and colorectal cancer) with KRAS G12C mutation detected
through local next-generation sequencing analysis.

- Local advanced or metastatic disease with disease progression or unavailability of
standard treatment options for the first-line anti-cancer therapy.

- Measurable lesions according to RECIST v1.1 (lesions that have not experienced disease
progression after radiation therapy are excluded).

- Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2.

- Adequate bone marrow and organ function as described below:

? Bone Marrow: - Absolute neutrophil count (ANC) = 1,500/mm3 - Platelet count (PLT) =
100,000/mm3 - Hemoglobin (Hb) = 9 g/dL

? Liver Function:

- Total bilirubin = 1.5 X upper limit of normal (ULN). If liver metastasis is present,
total bilirubin up to = 3 X ULN is allowed. For patients with Gilbert's syndrome,
total bilirubin up to = 3 X ULN and direct bilirubin within the normal range is
allowed.

- Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) = 3 X ULN (or = 5
X ULN if liver metastasis is present).

? Renal Function: - Creatinine clearance = 30 mL/min/1.73m2 (using the Cockcroft-Gault
formula).

- Estimated life expectancy of at least 3 months according to the investigator's
judgment.

- Ability to take oral medications.

- Understanding and compliance with the clinical trial protocol and ability to provide
informed consent by signing the informed consent form.
Minimum age
19 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
- Patients who have not received previous sotorasib treatment or monoclonal antibodies
against epidermal growth factor receptor (EGFR) such as cetuximab or panitumumab.

- Absence of active brain metastasis or leptomeningeal metastasis (Patients with
previously treated brain metastasis or leptomeningeal metastasis with radiation
therapy and/or surgery [including radiosurgery] and are neurologically stable can be
eligible for enrollment).

- No significant cardiovascular events within the past 6 months, such as:

.NYHA Class 3 or higher congestive heart failure. .Unstable angina or myocardial
infarction. .Uncontrolled or symptomatic atrial fibrillation. .QTc prolongation (> 480
milliseconds).

- No history of stroke within the past 6 months (including transient ischemic attack).

- No diagnosis of another malignancy within 2 years prior to enrollment (excluding
superficial basal cell carcinoma or squamous cell carcinoma, cervical intraepithelial
neoplasia, prostate cancer under active surveillance, and well-differentiated thyroid
cancer that has undergone definitive surgery).

- Pregnant or breastfeeding women.

- Participants who do not agree to effective contraception* during the clinical trial.

- Sexually active female participants of childbearing potential and their partners must
agree to use medically acceptable contraception (e.g., male condoms, female condoms,
or the combined use of barrier methods and spermicidal gel) during the clinical trial
period and for up to 6 months after the last administration of the investigational
drug.

- Male participants who have not undergone vasectomy must agree to use barrier
contraception (condoms) and are prohibited from providing sperm donations until 6
months after the last administration of the investigational drug.

- Participants with active hepatitis B, hepatitis C, or human immunodeficiency virus
(HIV) infection, except under the following conditions:

- Participants who are positive for HBsAg (Hepatitis B surface antigen) can be enrolled
if ALT is within the normal range and HBV DNA is <2,000 IU/ml while receiving
antiviral prophylaxis for hepatitis B reactivation.

- Participants who are negative for HBsAg but positive for Hepatitis B core antibody
(IgG anti-HBc) can be enrolled if HBV DNA is quantifiable but below the limit of
quantification.

- Participants who are positive for anti-HCV Ab can be enrolled if HCV RNA is
quantifiable but below the limit of quantification.

- Participants with planned major surgery during the clinical trial.

- Other clinically significant disorders deemed unsuitable for the clinical trial by the
investigator.

Study design
Purpose of the study
Treatment
Allocation to intervention
N/A
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Single group
Other design features
Phase
Phase 2
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Active, not recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
3/07/2023
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
31/12/2023
Actual
Sample size
Target
24
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
Recruitment outside Australia
Country [1] 0 0
Korea, Republic of
State/province [1] 0 0
Seoul

Funding & Sponsors
Primary sponsor type
Other
Name
Korea University Anam Hospital
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
Kirsten rat sarcoma (KRAS) mutation is one of the most common genetic mutations associated
with tumor development in various human cancers, including pancreatic cancer, non-small cell
lung cancer, and colorectal cancer. Previous studies have shown that KRAS mutations are
present in approximately 70% of pancreatic cancer patients, 35% of colorectal cancer
patients, 20% of non-small cell lung cancer patients, and 15% of cervical cancer patients.
Patients with KRAS mutations generally have a shorter overall survival and increased
resistance to treatment compared to wild-type tumors. KRAS mutations have been known for
decades, but they have been considered "undruggable" as effective therapies targeting them
were lacking.

Preclinical studies focusing on colorectal and non-small cell lung cancer cell lines have
suggested that colorectal cancer cell lines exhibit a stronger response to EGFR signaling and
activation of multiple RTKs (Receptor Tyrosine Kinases) than non-small cell lung cancer cell
lines. As a result, they show poorer responses to KRAS G12C inhibitors, leading to the
development of initial and acquired resistance to KRAS G12C inhibition. Based on this
hypothesis, a phase 1-2 clinical trial, known as the KRYSTAL-1 study, was conducted in
patients with metastatic colorectal cancer. The study demonstrated that the objective
response rate was 19% with adagrasib monotherapy and 46% with the combination of adagrasib
and cetuximab (an EGFR inhibitor), indicating that the addition of an EGFR inhibitor can
overcome resistance. Building on this hypothesis, a phase 3 trial is currently underway for
KRAS G12C inhibition plus EGFR blockade in metastatic colorectal cancer (ClinicalTrials.gov
identifiers: NCT04793958, NCT05198934).

In this study, the aim is to investigate the efficacy of sotorasib (KRAS G12C inhibitor) plus
panitumumab (EGFR inhibitor) in patients with advanced solid tumors harboring KRAS G12C
mutations, who have failed standard treatments.
Trial website
https://clinicaltrials.gov/ct2/show/NCT05993455
Trial related presentations / publications
Public notes
This record is viewable in the ANZCTR as it had previously listed Australia and/or New Zealand as a recruitment site, however these sites have since been removed

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries