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Peptide

Lanreotide

Long-acting synthetic version of somatostatin, a hormone that slows the secretion of other hormones. Used in acromegaly and neuroendocrine tumors.
Regulatory status
Approved (FDA / EMA)
Family
Somatostatin analog
Scientific evidence
High
Number of findings
1
Where it acts
Hormones and metabolism · Digestive and weight
Also known as
lanreotide, Somatuline, Somatuline Autogel, Somatuline Depot

Regulatory status

FDA (US): Approved (2007, Somatuline Depot) for acromegaly; expanded to gastroenteropancreatic neuroendocrine tumors (2014) and carcinoid syndrome (2017).

EMA (EU): No centralized EMA authorization; authorized nationally in Spain and other EU countries (Somatuline Autogel) for acromegaly, neuroendocrine tumors, and carcinoid syndrome.

Dose

120 mg by deep subcutaneous injection every 28 days in neuroendocrine tumors; in acromegaly, 60–120 mg every 4 weeks depending on response (FDA label).

Safety

Diarrhea, abdominal pain, nausea, gallstones, glucose disturbances, and slowed heart rate. Requires specialist follow-up.

Interactions

It may reduce cyclosporine absorption; insulin or antidiabetic drugs may need adjusting; caution with drugs that slow the heart rate (beta-blockers).

Effect by goal · level of evidence

Enteropancreatic neuroendocrine tumors (CLARINET)

improves High RCT (AA) in people
HR 0.47 progression

202 patients with metastatic tumors, 96 weeks. Lanreotide 120 mg every 28 days halved the risk of progression (HR 0.47): at 2 years, 65% vs 33% with placebo remained progression-free. Overall survival did not change.

View the study (RCT) →

In depth

Where it acts

Hormones and metabolism, Digestion and weight

How it works

It binds to somatostatin receptors (mainly types 2 and 5) and slows the release of growth hormone, IGF-1, and the hormones produced by neuroendocrine tumors. It also slows the growth of these tumors.

What the evidence says

In people

  • Enteropancreatic neuroendocrine tumors (CLARINET). 202 patients with metastatic tumors, 96 weeks. Lanreotide 120 mg every 28 days cut the risk of progression in half (HR 0.47): at 2 years, 65% remained progression-free versus 33% with placebo. Overall survival did not change. PubMed 25014687

References

  1. PubMed 25014687

Information, not medical advice. Prescription or unapproved peptides should only be used under medical supervision.

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