A Trial to Assess the Safety and Effectiveness of Lutetium-177 Octreotate Therapy in Neuroendocrine Tumours
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- STATUS
- Recruiting
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- End date
- Dec 22, 2033
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- participants needed
- 500
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- sponsor
- AHS Cancer Control Alberta
Summary
Neuroendocrine tumours (NETs) are rare, slow growing, and diagnosis is often delayed with advanced metastases at presentation. In select patient populations, radioisotope therapy with Lutetium-177 (Lu-DOTA-TATE) has been shown to be a safe and effective palliative therapy, and has been widely used by research groups in Europe. A brand of Lu-DOTA-TATE (Lutathera(R)) is approved for the treatment of gastroenteropancreatic NETs in Europe, the U.S., and more recently in Canada. While Lutathera(R) is approved in Canada, it is not publicly funded in Alberta. Lu-DOTA-TATE has been used at the Cross Cancer Institute to treat more than 300 patients with NETs since August, 2010. Our Lu-DOTA-TATE treatment was initially given under Health Canada's Special Access Programme (SAP), with each individual treatment requiring separate approval. In 2014, Health Canada requested we conduct a clinical trial with Lu-DOTA-TATE instead.
The purpose of this study is to: 1) assess the efficacy of Lu-DOTA-TATE treatment in patients with somatostatin receptor positive tumours; 2) assess the safety of Lu-DOTA-TATE; 3) assess the effect of Lu-DOTA-TATE on Quality of Life and survival.
Description
The proposed clinical trial will be a Phase II, open label, single site study in subjects with somatostatin receptor positive tumours. Radioactive Lu-DOTA-TATE doses are fixed within a range of 1.85 - 5.55 GBq 10%, with individual doses based on specified risk factors. There will be two groups of subjects enrolled in this study. Group A subjects (primary therapy) will have progressive somatostatin receptor positive tumours and have never received Lu-DOTA-TATE. Group B subjects (maintenance therapy) will be those subjects who have previously received Lu-DOTA-TATE under the Special Access Programme (SAP) and will maintain their treatment schedule when they are entered into the study.
All subjects in Group A will be treated in an induction stage using 10-14 week dosing for up to 4 treatments. If an individual patient shows stable or improving disease status with no significant toxicities after the 4 induction treatments, they will be assessed 12-20 weeks after the last therapeutic treatment for entry into the maintenance stage. Patients will be re-assessed for stable or improving disease status with no significant toxicities 12-20 weeks after every other treatment of the maintenance stage for consideration of further maintenance treatments (re-evaluations), up to a maximum of 8 treatments per patient if there have been no significant toxicities or progression. At each treatment, an amino acid solution is infused prior to and during the Lu-DOTA-TATE infusion to protect the kidneys. Subjects will be followed for 6 months and 1 year ( 4 weeks) following their last treatment dose to determine progression-free survival, and for 2, 3, and 5 years ( 4 weeks) following their last treatment dose to determine overall survival. All subjects meeting evaluation criteria will be analysed for safety, and all Group A subjects who have received at least two treatments of Lu-DOTA-TATE will be evaluated for efficacy. Those Group B subjects with adequate baseline data for comparison collected retrospectively from a chart review study (REV-LUT-001) may also be evaluated for safety and efficacy. Additional optional characterization of tumour samples from subjects who have had surgery before or during the study may be performed to characterize NET tumour biology changes following Lu-DOTA-TATE treatment.
Details
| Condition | Neuroendocrine carcinoma, Neuroendocrine carcinoma |
|---|---|
| Treatment | [177]Lu-DOTA-TATE |
| Clinical Study Identifier | NCT01876771 |
| Sponsor | AHS Cancer Control Alberta |
| Last Modified on | 22 April 2021 |
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