Neuroendocrine Tumors Clinical Trial
Official title:
A Prospective Randomized Study of the Efficacy and Safety of 177Lu-DOTATOC With Either Standard or Personalized Dosing for the Treatment of Patients With Somatostatin Receptor Positive NETs
Verified date | February 2023 |
Source | British Columbia Cancer Agency |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study is to assess if personalized peptide receptor radionuclide therapy (PRRT) with 177Lu-DOTATOC results in fewer adverse events than standard PRRT. Subjects will be randomized to either receive personalized or standard PRRT. Personalized PRRT will be determined based on dosimetry calculations after the first cycle. In addition comparisons, will be made with progression-free survival, serial CT imaging, ctDNA, and quality of life questionnaires. Subjects will be followed for 5 years or until they have progression and are switched to another systemic treatment (not including treatment with somatostatin analogues).
Status | Withdrawn |
Enrollment | 0 |
Est. completion date | December 31, 2031 |
Est. primary completion date | December 31, 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 19 Years and older |
Eligibility | Inclusion Criteria: - Able to provide written informed consent - Age greater than or equal to 19 years - Biopsy-proven, well-differentiated grade 1 - 3 NET - Gastroenteropancreatic tumors (e.g. carcinoids, gastrinoma, insulinoma, glucagonoma, VIPoma, etc.), functioning and non-functioning - Sympathoadrenal system tumors (phaeochromocytoma, paraganglioma) - Pulmonary NET, functioning and non-functioning - Easter Cooperative Oncology Group (ECOG) = 2 - Ki67 = 55% - Progressive disease demonstrated by RECIST 1.1 criteria within the 6 months preceding the study. - Patients with other evidence of progressive disease that is not demonstrated on CT (like rising biomarkers) may be included, at the discretion of the Tumour Review Board. - If response to other treatments is considered adequate according to other criteria, the Tumour Review Board may consider excluding the patient from participation in the study. - Tumour Review Board confirmation of suitability to proceed to PRRT treatment and enrollment in this trial. - Positive PET SSR imaging (Krenning score 2 or higher) in previous 6 months (68Ga-DOTATOC, 68Ga-DOTATATE, 18F-AmBF3-TATE). If PET SSR imaging is not available 111In-penetreotide scintigraphy (Octreotide scan) is acceptable. - Adequate laboratory parameters within two weeks of enrollment - Kidneys - Serum creatinine = 150 µmol/L - GFR = 40 ml/min (using plasma clearance values) - Marrow - Hemoglobin = 80 g/L - WBC = 2 x 109/L - Platelets = 75 x 109/L - Liver - Total bilirubin = 3 x upper limit of normal (ULN) - ALT = 3 x ULN or = 5 x ULN if liver metastasis - Alkaline phosphatase = 3 x ULN or = 5 x ULN if liver metastasis - Subject's ability to comply with scheduled visits, treatment plans, laboratory tests, imaging tests, and other procedures required as detailed in the protocol. Exclusion Criteria: - Women and men of childbearing potential Procreation - Women: pregnancy test done before enrollment before each treatment cycle. And subject must use adequate contraception for the duration of therapy, be surgically sterile, or post-menopausal. - Men: must be surgically sterile or use adequate contraception for the duration of the therapy. - Patient with another non-cutaneous (excluding melanoma) active cancer requiring therapeutic intervention. - Curative medical or surgical treatment, local liver embolization, or debulking are appropriate options. - Life expectancy is less than 12 weeks. - Radiotherapy to target lesions = 12 weeks ago or to more than 25% of bone marrow. - PRRT at any time prior to randomization in this study. - Systemic therapy (chemotherapy) within 4 weeks of PRRT and other locoregional therapies (radioisotope, embolization) within 12 weeks prior to enrollment. Ongoing use of somatostatin analogs for control of symptoms is allowed. - Known brain metastases (unless treated and stable for more than 3 months). - Co-morbidities that could, in the opinion of the PI, interfere with safe delivery of PRRT (like urinary incontinence, psychiatric illness), uncontrolled congestive heart failure (NYHA II, III, IV) - Breastfeeding (if patients elect to discontinue breast feeding, they can participate in the trial). |
Country | Name | City | State |
---|---|---|---|
Canada | BC Cancer | Vancouver | British Columbia |
Lead Sponsor | Collaborator |
---|---|
British Columbia Cancer Agency |
Canada,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | PFS and QoL scores to ctDNA levels | To assess correlation of PFS and QoL scores (EORTC QLQ30) to ctDNA levels (ctDNA allele frequency change from pre-treatment to on-treatment), the following tests will be used, Spearman correlation for quality of life and Kaplan- Meier curves stratified at a median for PFS. | 8 months | |
Primary | Determine whether personalized 177Lu-DOTATOC PRRT reduces adverse events (AE). | Frequency of AEs, will be compared between the two treatment arms. | 8 months | |
Primary | Compare the 12-month progression-free survival (PFS) of subjects receiving personalized or standard injected activity PRRT with RECIST criteria. | PFS will be determined by RECIST1.1 criteria on serial CT, and analysed independently. The 12-month PFS will be evaluated by univariate analysis but different criteria for determination of PFS will be compared. | 12 months | |
Primary | Compare the 12-month progression-free survival (PFS) of subjects receiving personalized or standard injected activity PRRT with ITMO criteria. | PFS will be determined by biochemical criteria (ITMO) on serial CT, and analysed independently. The 12-month PFS will be evaluated by univariate analysis but different criteria for determination of PFS will be compared. | 12 months | |
Primary | Compare the 12-month progression-free survival (PFS) of subjects receiving personalized or standard injected activity PRRT with Choi criteria. | PFS will be determined by Choi criteria on serial CT, and analysed independently. The 12-month PFS will be evaluated by univariate analysis but different criteria for determination of PFS will be compared. | 12 months | |
Secondary | Determine response rate of both treatment arms with RECIST1.1 criteria | Response rate as determined by structural criteria RECIST1.1 | 4 months | |
Secondary | Determine response rate of both treatment arms with Choi criteria | Response rate as determined by structural criteria Choi. | 4 months | |
Secondary | Determine response rate of both treatment arms with ITMO criteria | Response rate as determined by structural criteria biochemical markers (ITMO criteria) (chromogranin A, 24h urinary HIAA). | 4 months | |
Secondary | Quality of life (QoL) questionnaire scores (EORTC QLQ30) will be compared between the two treatment arms | For QoL questionnaire scores (EORTC QLQ30) before, during, and after treatment | 8 months | |
Secondary | Quality of life (QoL) questionnaire scores (EORTC GINET21) will be compared between the two treatment arms | For QoL questionnaire scores (EORTC GINET21) before, during, and after treatment | 8 months | |
Secondary | Quality of life (QoL) questionnaire scores (EQ-5D) will be compared between the two treatment arms | For QoL questionnaire scores (EQ-5D) before, during, and after treatment | 8 months | |
Secondary | Correlation of QoL scores (EORTC QLQ30) to ctDNA | To assess correlation of QoL scores (EORTC QLQ30) to ctDNA allele frequency change from pre-treatment to on-treatment, using spearman correlation | 8 months | |
Secondary | Correlation of QoL scores (EORTC GINET21) to ctDNA | To assess correlation of QoL scores (EORTC GINET21) to ctDNA allele frequency change from pre-treatment to on-treatment, using spearman correlation | 8 months | |
Secondary | Correlation of QoL scores (EQ-5D) to ctDNA | To assess correlation of QoL scores (EQ-5D) to ctDNA allele frequency change from pre-treatment to on-treatment, using spearman correlation | 8 months |
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