Somatostatin analog: Timing of LA-SSA injection prior to PRRT (either 4-6 weeks or 1-7 days).
Study summary
According to current guidelines, patients have to withhalt long-acting somatostatin analogues (LA-SSA) for 4-6 weeks prior to every 177Lutetium-DOTATATE administration. The primary objective of the study is to investigate the effect of LA-SSA on the absorbed dose in tumor lesions during PRRT.
Eligibility
Sex
ALL
Min age
18 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria:
* Age ≥ 18 years;
* Able to provide spoken and written informed consent for the trial;
* Histopathological confirmed neuroendocrine tumor;
* Fulfill the clinical criteria for PRRT;
* At least one soft tissue lesion \> 2 cm;
* Aimed administered activity of 7400 MBq;
* ECOG score (performance status) 0-2.
Exclusion Criteria:
* Not possible to discontinue LA-SSA for 4-6 weeks;
* Use of short-acting SSAs;
* Pregnancy and lactating female patients;
* Inability to comply to the study procedures;
* Factors that might affect the biodistribution (for example, indication for furosemide directly after PRRT infusion, limited fluid intake, any renal catheters, etc.).
Primary outcome measure(s)
Effect of continued LA-SSA use on the absorbed dose in tumor lesions during PRRT. — SPECT/CT after 4h, 24h, and 5-7 days post-injection
Trial sites (1)
Facility
City
Region
Status
Antoni van Leeuwenhoek
Amsterdam
Netherlands
Recruiting
More The Netherlands Cancer Institute trials in the Netherlands
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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