- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02081768
90Yttrium Colloid for the Treatment of Cystic Sellar/Parasellar Tumors
Assessment of the Efficacy of Stereotactic Intracavitary Instillation of 90yttrium Colloid for Treatment of Cystic Lesions of the Pituitary and Surrounding Areas (Sellar/Parasellar Region)
There is no consensus in the literature on the best way to treat cystic lesions of the pituitary area. Patients who are symptomatic from these tumours are rare. The cystic form of tumours present special challenges since traditional treatment modalities (surgery and/or external radiation) are often not able to completely remove or treat the cyst wall without major morbidity or even mortality.
There is no 'best practice' for the treatment of cystic tumours per se. Treatments available to patients with cystic sellar/parasellar tumours include conservative management using a 'wait and scan' approach, cyst drainage, and cyst removal via transsphenoidal and/or craniotomy approach (i.e. open surgery). Over the last 10 years we have treated approximately 8 patients with intracystic radiotherapy. All of these patients continue to be monitored clinically and radiologically and all have done well with stable regression of the cysts and no new neurological deficits. Over the past 2 years, 90yttrium colloid has been provided to CDHA through Health Canada's Special Access Program (SAP). It has only been of recent that Health Canada has requested a clinical trial to assess the benefit of intracystic radiotherapy over other available treatment options.
The experimental treatment being proposed is the stereotactic intracavitary instillation of 90yttrium colloid for treatment of cystic lesions of the pituitary (sellar) and surrounding areas (parasellar).
Study Overview
Status
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Estimated)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: David B. Clarke, MDCM, PhD, FRCSC, DABNS, FACS
- Email: d.clarke@dal.ca
Study Contact Backup
- Name: Andrea LO Hebb, PhD, RN
- Phone Number: 902 473-4824
- Email: andrea.hebb@nshealth.ca
Study Locations
-
-
Nova Scotia
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Halifax, Nova Scotia, Canada, B3H 3A7
- Recruiting
- Halifax Infirmary
-
Contact:
- David B. Clarke, MDCM, PhD, FRCSC, DABNS, FACS
- Phone Number: 902-473-4591
- Email: d.clarke@dal.ca
-
Principal Investigator:
- David B. Clarke, 902-473-4591
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Criteria
Ages Eligible for Study: 17 years of age or older Genders Eligible for Study: Both Accepts Healthy Volunteers: No
Inclusion Criteria
Patients who meet all of the following criteria are eligible for enrollment as study participants:
- Patients 17 years of age or older.
- Cystic sellar, suprasellar, parasellar or intrasellar masses diagnosed by histology, cytology or neuroimaging.
- Tumour measurements and/or tumour volume can be calculated.
- Patients who require surgical intervention as determined by the treating neurosurgeon.
- Being a patient managed in the Halifax Neuropituitary Program surgical clinic.
- Willingness to undergo surgery and give informed surgical consent.
- Willingness to provide informed consent for study participation.
Exclusion Criteria
Patients who meet any of these criteria are not eligible for enrollment as study participants:
- Neurosurgeon's assessment that surgical procedures hold unacceptable operative risk.
- Having a solid tumour.
- Pregnant or breast feeding at time of surgical consent and/or surgery.
- Hypersensitivity, allergies or contraindication to the used radiopharmaceutical agent (90yttrium colloid).
Study Plan
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 |
---|---|
Experimental: 90yttrium colloid
90 Yttrium colloid will be inserted into the cystic cavity.
Based on clinical expertise, the treating neurosurgeon will determine the appropriate surgical procedure for each patient on an individual basis which will be reflected in the surgical consent the patient is presented and signs.
|
90yttrium colloid will be inserted into a sellar/parasellar cyst
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cyst shrinkage
Time Frame: 12 months after treatment
|
Decreased cyst volume on MRI
|
12 months after treatment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Localization of intracystic 90yttrium colloid by PET-CT
Time Frame: Within 3 weeks of treatment
|
Visualization of 90 yttrium colloid within the cyst
|
Within 3 weeks of treatment
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: David Clarke, Capital District Health Auhtority
Study record dates
Study Major Dates
Study Start
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- Yttrium2014
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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