- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01573156
Vascular Targeted Photodynamic Therapy T1a Renal Tumours (KCM201)
January 8, 2018 updated by: University of Oxford
Vascular Targeted Photodynamic Therapy With WST11 for T1a Renal Tumours. PHASE IIa Histological Follow up Trial
Vascular Targeted Photodynamic therapy (VTP) with the Vascular Occluding Agent (VOA) WST11, may offer an alternative, providing tumour destruction via a minimally invasive approach.
In this investigation, the investigators plan to use the WST11 VTP procedure to treat a predetermined small renal tumour targets.
Patients will be given a general anaesthetic, to ensure immobility, and prevent discomfort during treatment sessions.
Treated patients will then undergo surgical resection of their tumours, and the accuracy and reliability of tissue death with VTP will be assessed histologically.
The aim of this proof of concept study is to demonstrate whether this modality has potential for a clinical role in the treatment of oncological kidney disease, either as an alternative to surgery, or where surgery is not feasible.
Study Overview
Study Type
Interventional
Enrollment (Actual)
5
Phase
- Phase 2
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Oxford, United Kingdom, OX44 9LS
- Churchill Hospital
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
60 years to 90 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Participant is willing and able to give informed consent for participation in the study.
- Male or post-menopausal female, aged 60 years or above.
- Lesions suspicious for renal cell carcinoma on triple phase CT that are < 4cm in maximum diameter and suitable for surgical resection
- Participant must be in sufficiently good health to be suitable for general anaesthesia for both VTP treatment and subsequent surgical resection of tumour
- Subjects must have ≥ 1 evaluable tumours which can be visualized on diagnostic ultrasound. If more than one tumour exists, an index tumour will be nominated and treated (uncommon)
- Previous chemotherapy and / or biological therapy for cancer are permitted, but the subject should have recovered fully from the effects of these and any prior surgery (minimum of 28 days).
- Patients should not have received radiotherapy to the target area within the preceding 12 months.
- Subject has clinically acceptable haematological, electrolyte and hepatic function as demonstrated by serum laboratory values within 14 days prior of VTP treatment:
- Absolute neutrophil count (ANC) ≥ 1500mm-3
- Platelet count ≥ 100,000mm-3
- Haemoglobin ≥ 10gdl-1
- Prothrombin time (PT) ≤ 1.5 * Upper Limit of Normal (ULN)
- Activated partial thromboplastin time (APPT) ≤ 1.5 * ULN
- Total bilirubin < 2.5 * ULN
- Aspartate aminotransferase (AST) < 3 * ULN
- Alkaline phosphatase (ALP) < 2 * ULN; unless arising from bone
- Participants has a clinically acceptable ECG
- Able (in the Investigators opinion) and willing to comply with all study requirements.
- Willing to allow his or her General Practitioner and consultant, if appropriate, to be notified of participation in the study.
Exclusion Criteria:
The participant may not enter the study if ANY of the following apply:
- Non menopausal women
- Significant hepatic impairment.
- Significant renal impairment as to mean surgical resection is unsuitable
- Clinical or radiological evidence of metastatic disease
- Subjects with tumours lying adjacent to vital structures such that VTP treatment would risk damage to these structures
- Subjects currently taking immunosuppressive medication
- Patients whose medical conditions need the following medication which have potential photosensitizing effects (tetracyclines, sulphonamides, phenothiazines, sulfonylurea hypoglycaemic agents, thiazide diuretics, griseofulvin and amiodarone (see appendix G)) if these treatments cannot be stopped or replaced by other treatments without photosensitizing properties
- Patients who have an absolute need for anticoagulant drugs or antiplatelet drugs (e.g., warfarin, aspirin), which cannot be withdrawn during the 10 days prior to the VTP procedure.
- Scheduled elective surgery or other procedures requiring general anaesthesia during the study.
- Any other significant disease or disorder which, in the opinion of the Investigator, may either put the participants at risk because of participation in the study, or may influence the result of the study, or the participant's ability to participate in the study.
- Participants involved in the treatment phase of a clinical trial (observational or follow-up studies will be allowed)
- An American Society of Anaesthesiologists (ASA) score of ≥ 3
- A World Health Organization (WHO) performance status of ≥2
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: VTP treatment to small renal mass
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WST11-mediated VTP will consist of the combination of a single IV administration of WST11 at doses of 2 mg/kg, or 4mg/kg using 753 nm laser light at a fixed power (150 mW/cm) and energy (200 J/cm) delivered through percutaneous optical fibres.
The fibres are introduced into transparent needles that are positioned in the areas of interest under CT image guidance.
After a minimum of 3 patients at each drug dosage (2 & 4 mg/kg) has been treated with a light energy of 200 J/cm, the general and local safety will be assessed.
The safety results of the first 3 patients treated in each drug dose/number of fibres combination will be reviewed by the investigators prior to escalation to a higher drug dose/number of fibres combination.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Volume of tumour necrosis on final histology expressed as a percentage of pre-treatment tumour volume
Time Frame: 2-4 weeks post VTP therapy
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2-4 weeks post VTP therapy
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
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Radiological evidence of tissue destruction at day 12 (technical success) based on the volume of tumour ablation on day 12 MRI imaging expressed as a percentage of pre-treatment tumour volume
Time Frame: 12 days post VTP therapy
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12 days post VTP therapy
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Adverse events according to Common Toxicity Criteria (CTCAE)
Time Frame: Up to 12 months post VTP
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Up to 12 months post VTP
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Mark Sullivan, MD FRCS Urol, Churchill Hospital, Oxford, UK
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
May 1, 2013
Primary Completion (Actual)
May 1, 2014
Study Completion (Actual)
June 1, 2015
Study Registration Dates
First Submitted
March 22, 2012
First Submitted That Met QC Criteria
April 4, 2012
First Posted (Estimate)
April 6, 2012
Study Record Updates
Last Update Posted (Actual)
January 10, 2018
Last Update Submitted That Met QC Criteria
January 8, 2018
Last Verified
January 1, 2018
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CLIN1102 KCM201
- 2011-003311-27 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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