Lanreotide
Brand names: Somatuline Autogel
Lanreotide is a long-acting somatostatin analogue used in acromegaly and in the treatment of symptoms and tumour control of neuroendocrine tumours.
Adult dose
Dose adjustments
eMC: in patients with impaired renal or hepatic function, no dosage adjustment is necessary due to the wide therapeutic window of lanreotide. (US labelling instead recommends a 60 mg starting dosage every 4 weeks for 3 months in acromegaly with moderate or severe renal impairment - see notes.)
Dose auto-extracted from UK Summary of Product Characteristics (SPC) via the eMC; US FDA prescribing information (openFDA / DailyMed) — cross-check; US labelling may differ from UK — not yet clinician-verified. Always confirm against the product SmPC and your local formulary before prescribing.
Contraindications
- Hypersensitivity to lanreotide, to somatostatin or related peptides, or to any of the excipients
Side effects
- Gastrointestinal disorders - diarrhoea, loose stools and abdominal pain (very common); nausea, vomiting, constipation, flatulence, abdominal distension (common)
- Cholelithiasis (very common), often asymptomatic; biliary dilatation; cholecystitis and cholangitis (uncommon)
- Injection site reactions - pain, mass, induration, nodule, pruritus (common)
- Hypoglycaemia, hyperglycaemia, decreased appetite, diabetes mellitus (common)
- Sinus bradycardia (common); dizziness, headache, lethargy (common); asthenia and fatigue (common)
Interactions
- Ciclosporin - lanreotide may decrease its relative bioavailability; ciclosporin dose adjustment may be needed to maintain therapeutic levels
- Bromocriptine - concomitant somatostatin analogues may increase its availability
- Bradycardia-inducing drugs (e.g. beta blockers) - additive effect on the reduction in heart rate; dose adjustment of the concomitant medicine may be necessary
- Drugs mainly metabolised by CYP3A4 with a low therapeutic index (e.g. quinidine, terfenadine) - use with caution; somatostatin analogues may decrease their metabolic clearance
- Insulin and antidiabetic treatment - lanreotide inhibits insulin and glucagon secretion; monitor blood glucose on initiation and dose change and adjust antidiabetic treatment accordingly
Clinical monograph
How it works
It binds somatostatin receptors, predominantly subtypes 2 and 5, inhibiting secretion of growth hormone and various gut hormones and exerting antiproliferative effects on responsive neuroendocrine tumours.
Prescribing in practice
- It commonly causes gastrointestinal effects and, by reducing gallbladder motility, predisposes to gallstones, so monitor for biliary complications.
- Given by deep subcutaneous injection at regular intervals; injection technique and site rotation affect tolerability.
- It can alter glucose homeostasis and may affect requirements for diabetes therapy, so review glycaemic control.
Monitoring
Monitor growth hormone and IGF-1 (in acromegaly) or relevant tumour markers and symptoms, together with blood glucose and gallbladder status.
Counselling the patient
- Report persistent diarrhoea, abdominal pain, or fatty stools.
- Seek advice for symptoms suggesting gallstones such as upper abdominal pain after meals.
- Attend for regular injections to maintain disease control.
Evidence & guidelines
Somatostatin analogues are established in acromegaly and demonstrated antiproliferative benefit in neuroendocrine tumours in the CLARINET trial.
Reference: Endocrine Society Acromegaly Guidelines 2014; CLARINET Trial (NEJM 2014); Drug verified in RxNorm (NLM); confirm dosing against the manufacturer SPC (eMC). Verify against your local formulary and current prescribing references before prescribing. The structured dose values shown have been reviewed by a clinician. Monograph status: clinician-reviewed (2026-07-04).
Related
Curated clinical cross-links plus same-class fallbacks.
- Diabetic Ketoacidosis (DKA) · JBDS 2013 / Joint British Diabetes Societies; NICE NG17
- Adult Hypoglycaemia (Treated Diabetes) · JBDS-IP (2023): Hospital Management of Hypoglycaemia
- Adrenal Crisis · Society for Endocrinology Emergency Guidance (2024)
- Type 2 Diabetes Management · NICE NG28 2022
- Hyperthyroidism Management · BTA / ETA 2018
- Adrenal Insufficiency · Society of Endocrinology / ESE 2016