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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/NCT05867303
Registration number
NCT05867303
Ethics application status
Date submitted
17/04/2023
Date registered
19/05/2023
Date last updated
25/10/2023
Titles & IDs
Public title
A RC198 Study in Subjects With Locally Advanced Unresectable or Metastatic Solid Tumors
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Scientific title
A Phase 1, First-in-Human, Multicenter, Open-Label Study to Evaluate the Safety, Tolerability, Pharmacokinetic, Immunogenetic and Efficacy of RC198 in Subjects With Locally Advanced Unresectable or Metastatic Solid Tumors
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Secondary ID [1]
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RC198-G001
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Melanoma
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Urothelial Carcinoma
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Renal Cell Carcinoma
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Non-small Cell Lung Cancer
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Head and Neck Squamous Cell Carcinoma
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Colorectal Carcinoma
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Condition category
Condition code
Cancer
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Non melanoma skin cancer
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Cancer
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Kidney
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Cancer
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Head and neck
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Cancer
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Bowel - Back passage (rectum) or large bowel (colon)
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - RC198 Injection
Experimental: RC198 Injection - RC198 injection will be administered subcutaneously on Day 1 of Week 1 to Week 4 (inclusive) of each 6-week (42-day) cycle.
Treatment: Drugs: RC198 Injection
RC198 injection will be administered subcutaneously on Day 1 of Week 1 to Week 4 (inclusive) of each 6-week (42-day) cycle.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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MTD based on number of dose-limiting toxicities (DLTs)
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Assessment method [1]
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The maximum tolerated dose (MTD) will be assessed based on the number of patients experiencing DLTs, graded according to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0.
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Timepoint [1]
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First 4 weeks (28 days) after first dose of study drug
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Primary outcome [2]
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Determine Recommended Phase 2 Dose (RP2D)
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Assessment method [2]
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The RP2D may be selected based on the MTD following consultation with the safety monitoring committee with all available data.
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Timepoint [2]
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Informed consent through 28 days after the last dose of study drug
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Primary outcome [3]
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Incidence of Adverse Events [Safety and tolerability]
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Assessment method [3]
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The adverse events occurring or worsening on or after the first dose of the study drug will be recorded.
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Timepoint [3]
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Informed consent through 28 days after the last dose of study drug
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Secondary outcome [1]
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Time to maximum serum concentration [Tmax]
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Assessment method [1]
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Tmax of RC198
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Timepoint [1]
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Day 1- Day 5 of Week 1 and Week 4, Day 1 of Week 2, Week 3, Week 5 and Week 6 during cycle 1, and Day 1 of Week 1 and Week 4 during subsequent cycles, and EOT (7 days within subject discontinued study drug)
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Secondary outcome [2]
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Area under the serum concentration verus time curve [AUC]
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Assessment method [2]
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AUC of RC198
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Timepoint [2]
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Day 1- Day 5 of Week 1 and Week 4, Day 1 of Week 2, Week 3, Week 5 and Week 6 during cycle 1, and Day 1 of Week 1 and Week 4 during subsequent cycles, and EOT (7 days within subject discontinued study drug)
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Secondary outcome [3]
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Maximum serum Concentration [Cmax]
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Assessment method [3]
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Cmax of RC198
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Timepoint [3]
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Day 1- Day 5 of Week 1 and Week 4, Day 1 of Week 2, Week 3, Week 5 and Week 6 during cycle 1, and Day 1 of Week 1 and Week 4 during subsequent cycles, and EOT (7 days within subject discontinued study drug)
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Secondary outcome [4]
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Immunogenicity of RC198
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Assessment method [4]
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Incidence of anti-drug antibody (ADA) against RC198
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Timepoint [4]
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D1 of W1 and W3 during cycle 1, and D1 of W1 during subsequent cycles, and EOT (7 days within subject discontinued study drug)
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Secondary outcome [5]
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Object Response Rate (ORR)
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Assessment method [5]
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ORR will be determined according to Response Evaluation Criteria in Solid Tumours (RECIST) v1.1. The ORR is defined as the number of patients are either complete response (CR) or partial response (PR), relative to the number of patients belonging to the study of interest
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Timepoint [5]
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Screening, then every 6 weeks (±7 days) after Day 1 of Cycle 1 Week 1 until 14 days after the last dose of the study drug. Assessed up to 24 months.
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Secondary outcome [6]
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Disease Control Rate (DCR)
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Assessment method [6]
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DCR is the proportion of patients with disease control.
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Timepoint [6]
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Screening, then every 6 weeks (±7 days) after Day 1 of Cycle 1 Week 1 until 14 days after the last dose of the study drug. Assessed up to 24 months.
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Secondary outcome [7]
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Duration of response (DoR)
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Assessment method [7]
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DoR is defined, for patients with response, as the time from first documentation of response (CR or PR) to the date of first documentation of progression of disease or death due to any causes whichever occurs first.
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Timepoint [7]
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From first partial response (PR) or complete response (CR) until disease progression or death, whichever occurs first. Assessed up to 24 months.
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Secondary outcome [8]
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Progression Free Survival (PFS)
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Assessment method [8]
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PFS is defined as the time from the date of first administration to the date of the first documentation of progressive disease or death due to any cause, whichever occurs first.
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Timepoint [8]
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From the first dose until documented disease progression or death, whichever occurs first. Assessed up to 24 months.
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Eligibility
Key inclusion criteria
1. Subjects with the ability to understand and give written informed consent for
participation in this trial, including all evaluations and procedures as specified by
this protocol.
2. Subjects with locally advanced unresectable or metastatic solid tumors who experience
disease progression after standard treatment, or unable to tolerate standard
treatment, or refuse standard treatment.
3. At least 1 measurable or evaluable lesion per Response Evaluation Criteria In Solid
Tumors (RECIST) v1.1.
4. Male or female aged = 18 years.
5. ECOG PS score of 0 or 1.
6. Anticipated life expectancy of > 12 weeks.
7. Adequate bone marrow, liver, and renal function defined as:
- Absolute neutrophil count = 1.5× 109/L.
- Absolute lymphocyte count = 500/µL.
- Platelet = 100 × 109/L.
- Hemoglobin = 90 g/L without receiving erythropoietin (EPO), granulocyte colony
stimulating factor (G-CSF), or granulocyte-macrophage colony stimulating factor
(GM-CSF) within 14 days and blood transfusion including red blood cell and
platelet transfusion in at least 7 days prior to first dose of investigational
product.
- Total bilirubin = 1.5 × ULN or up to 3 × ULN if Gilbert syndrome.
- Alanine aminotransaminase (ALT), aspartate aminotransferase (AST) = 2.5 × ULN
when there is no liver metastasis. ALT, AST = 5 × ULN when there is liver
metastasis
- Serum creatinine = 1.5 × ULN, or creatinine clearance = 60 mL/min (using
Cockcroft-Gault formula); Urine protein < 2 + or 24 hour total urine protein
quantity < 1g.
- Activated partial thromboplastin time (APTT) = 1.5× ULN; international normalized
ratio (INR) = 1.5.
8. Left ventricular ejection fraction = 50%, as determined by echocardiogram or
multiple-gated acquisition (MUGA) scan.
9. Willingness to avoid pregnancy or fathering children based on the criteria below:
1. Women of childbearing potential (WOCBP) who engage in heterosexual intercourse or
male subjects whose sexual partners are WOCBP must be able to and agree to use an
acceptable, highly effective, double barrier contraception commencing from
Screening, during study, and for 6 months after the last dose of investigational
product, including:
- Simultaneous use of hormonal contraceptives and must agree to use the same
hormonal contraceptive throughout the study, and a condom for the male
partner.
- Simultaneous use of intrauterine device (IUD) and condom for the male
partner.
- Simultaneous use of diaphragm or cervical cap and condom for the male
partner.
- Sterile male partner (vasectomized for at least 6 months prior to first dose
of investigational product).
- True abstinence, defined as no sexual intercourse (heterosexual couples).
Periodic abstinence and withdrawal are not acceptable methods.
Subjects with same-sex partners (abstinence from penile-vaginal intercourse) or
who are abstinent from heterosexual intercourse are not required use
contraception when this is their preferred and usual lifestyle.
2. WOCBP must have a negative serum beta human-chorionic gonadotropin (ß-hCG)
pregnancy test at Screening and a negative pregnancy test on Day 1 of each cycle.
In the event of a positive urine pregnancy test, a serum pregnancy test will be
performed for confirmation.
3. Must agree not to donate ova or sperm from Screening, during study, and for 6
months after the last dose of investigational product
4. Must agree not to donate ova or sperm from Screening, during study, and for 6
months after the last dose of investigational product
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Pregnant or lactating.
2. Known to be human immunodeficiency virus (HIV) positive, with active hepatitis (HBV)
characterized by elevated levels of HBV ribonucleic acid exceeding the ULN; or active
hepatitis C (HCV) with positive HCV ribonucleic acid (RNA); Subjects who are Hepatitis
B surface antigen positive or hepatitis B core antibody positive must have
undetectable quantitative DNA polymerase chain reaction (PCR).
3. Administration of a live vaccine within 28 days before first dose of investigational
and during the study. Note: Seasonal vaccines for influenza or Coronavirus Disease
2019 (COVID-19) vaccines are generally inactivated vaccines and are allowed.
Intranasal vaccines are live vaccines and are not allowed.
4. Previous anti-tumor therapies (including surgery, chemotherapy, traditional Chinese
medicine, radiotherapy, immunotherapy, biological therapy, hormonal therapy, or
investigational agents for cancer treatment) within 4 weeks or within 5 half-lives of
anti-tumor agents, whichever is shorter, prior to the first dose of investigational
product, or palliative radiotherapy for bone metastases within 2 weeks prior to the
first dose of investigational product.
5. Previous adverse reactions resulting from previous anti-tumor therapies, which have
not resolved to Grade 0 or 1 according to NCI CTCAE v5.0 (except for alopecia,
fatigue, pigmentation and other conditions with no safety risk according to
Investigator's opinion) or Baseline within 4 weeks prior to first administration of
the investigational product.
6. Experienced prior Grade 3 or higher immune-related toxicity that resulted in permanent
drug discontinuation (subjects with prior temporary drug interruptions due to
endocrinopathies etc. are eligible).
7. History of therapy with an agent targeting of IL-15 or IL-2.
8. Known hypersensitivity to any excipient contained in the drug formulation of
investigational products or supplements to be administered during the study.
9. Uncontrolled diseases including:
1. Uncontrolled infection requiring systematic antibiotics, antivirals or
antifungals within 4 weeks prior to first administration of the investigational
product.
2. Active infection with COVID-19.
3. Active tuberculosis infection, or still on anti-tuberculosis therapy or received
anti-tuberculosis therapy within 1 year prior to first administration of the
investigational product.
4. Symptomatic congestive heart failure Grade II-IV (New York Heart Association
[NYHA]), symptomatic or uncontrolled arrhythmias, QTc interval > 480 ms or
personal or family history of congenital long/short QT syndrome, Severe or
unstable angina pectoris, coronary or peripheral artery bypass grafting.
5. Uncontrollable hypertension (systolic blood pressure = 160mmHg or diastolic blood
pressure = 100mmHg).
6. Systemic diseases, including diabetes pulmonary fibrosis, acute lung disease,
interstitial lung disease, cirrhosis, etc.
10. History of any arterial thromboembolic event within 6 months prior to the first
administration of investigational product, including myocardial infarction, unstable
angina pectoris, pulmonary embolism, cerebrovascular stroke, or transient ischemic
attack, etc.
11. History of deep vein thrombosis or any other severe thromboembolism within 3 months
prior to the first administration of investigational product (implantable venous
access port or catheter-derived thrombosis, or superficial venous thrombosis is not
considered as "severe" thromboembolism).
12. History of life-threatening bleeding, or Grade 3 or 4 gastrointestinal/variceal
bleeding requiring blood transfusion, endoscopy, or surgery, within 3 months prior to
the first administration of investigational product.
13. History of other acquired/congenital immunodeficiency diseases.
14. History of organ transplantation allogeneic bone marrow transplantation, or autologous
hematopoietic stem cell transplantation.
15. A condition requiring systemic treatment with either corticosteroids (> 10 mg daily
prednisone equivalent) within 7 days or other immunosuppressive medication(s) within
14 days of the first dose of investigational product. Subjects using physiologic
replacement doses of prednisone at = 10 mg/day, or its equivalent, are eligible.
16. Active autoimmune diseases or history of autoimmune diseases that may relapse.
Note: Subjects with the following diseases are not excluded:
1. Controlled Type I diabetes.
2. Hypothyroidism (provided it is managed with hormone replacement therapy only).
3. Controlled celiac disease.
4. Skin diseases not requiring systemic treatment (eg, vitiligo, psoriasis,
alopecia).
5. Any other disease that is not expected to recur in the absence of external
triggering factors.
17. History or presence of metastatic brain tumors. Subjects with confirmed brain
metastases are eligible for the study provided that they are asymptomatic and
radiologically stable without the need for corticosteroid treatment >10 mg or seizure
prophylaxis for = 4 weeks prior to first dose of investigational product.
18. Have undergone major surgeries within 4 weeks prior to first dose of investigational
product.
19. Uncontrollable pleural effusion, pericardial effusion, or ascites requiring frequent
drainage within 7 days prior to first dose of investigational product.
20. Under the treatment of heparin (eg, low molecular weight heparin [LMWH]) or other
anticoagulants such as warfarin when administered at a therapeutic dose. Participants
using prophylactic doses of heparin (LMWH) are eligible.
21. Diagnosis of any other malignancy within 2 years prior to enrollment, except for the
following if adequately treated:
- Local basal cell or squamous cell carcinoma of the skin or related localized.
- Non-melanoma skin cancer.
- Carcinoma in situ of the breast or of the cervix.
- Non-muscle invasive bladder cancer.
- Low grade (Gleason 6 or below) prostate cancer undergoing surveillance with no
plans for treatment intervention or previously fully resected.
22. History or presence of uncontrolled mental illness or drug abuse disorder in opinion
of the Investigator.
23. The subject is expected to be non-compliant with critical study procedures and is not
willing or able to adhere to the study requirements.
24. Subject is deemed inappropriate for this clinical study, or participation in this
clinical study is deemed not in the best interest of the subject, at the discretion of
the Investigator.
25. Other acute or chronic diseases or abnormal laboratory test that may: increase risk of
study participation or investigational product administration, interfere with the
interpretation of study results, and disqualify the subject for study participation in
the Investigator's judgment.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
N/A
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
5/06/2023
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
30/09/2024
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Actual
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Sample size
Target
48
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
QLD,SA,VIC
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Recruitment hospital [1]
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ICON Cancer Centre Wesley - Auchenflower
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Recruitment hospital [2]
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Southern Oncology Clinical Research Unit - Bedford Park
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Recruitment hospital [3]
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Cabrini Hospital Malvern - Malvern
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Recruitment postcode(s) [1]
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4066 - Auchenflower
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Recruitment postcode(s) [2]
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5042 - Bedford Park
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Recruitment postcode(s) [3]
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3144 - Malvern
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Recruitment outside Australia
Country [1]
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China
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State/province [1]
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Guangdong
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Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
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Name
RemeGen Co., Ltd.
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
Safety study of RC198 in Subjects with Solid Tumors.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT05867303
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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RemeGen
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Address
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Country
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Phone
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301-284-1015
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT05867303
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