Back to library

Educational Wellness Information Only

This platform provides peer-reviewed research summaries and educational content about peptides for wellness and optimization purposes. Nothing on this site is intended as medical advice, diagnosis, or treatment. We do not claim any peptide can diagnose, treat, cure, or prevent any disease. Always consult a licensed healthcare provider before beginning any wellness protocol.

Statements on this site have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability and eligibility vary.

Somatostatin Analog · Endocrine

Pasireotide (Signifor) Peptide

Multi-receptor somatostatin analog for Cushing's disease and acromegaly.

Medically reviewed for educational accuracy
Published Last reviewed

What is Pasireotide (Signifor)?

Pasireotide (Signifor) is a somatostatin analog · endocrine peptide studied for cushing's disease and acromegaly (lar formulation). Below is an educational overview of Pasireotide (Signifor) peptide benefits, mechanism, common research protocols, dosage references, and known side effects.

FDA-Approved

Plain-Language Label Highlights

Brand names: Signifor, Signifor LAR

What it's approved for

Cushing's disease (when surgery isn't an option or has failed) and acromegaly.

A somatostatin analog that lowers ACTH or growth hormone — often used when other treatments haven't worked.

Common side effects
  • Diarrhea
  • Nausea
  • Hyperglycemia (very common)
  • Gallstones
  • Headache
Serious risks to know
  • New or worsening diabetes (frequently severe)
  • QT prolongation and arrhythmia
  • Bradycardia
  • Liver enzyme elevation
  • Adrenal insufficiency
Who should avoid or use with extra caution
  • Uncontrolled diabetes (caution)
  • Long QT syndrome
  • Severe liver disease
  • Bradyarrhythmias

Educational summary of the FDA prescribing information. Not a substitute for the full label or medical advice. Always discuss with a licensed prescriber.

Pasireotide (Signifor) Mechanism of Action

Cyclohexapeptide somatostatin analog binding somatostatin receptors SST1, 2, 3, and 5 (with highest affinity for SST5), suppressing ACTH in corticotroph adenomas and GH/IGF-1 in somatotroph tumors.

Pasireotide (Signifor) Research Areas & Benefits

Cushing's disease
Acromegaly (LAR formulation)

Pasireotide (Signifor) Dosage & Common Research Protocols

Cushing's (SC)

0.3–0.9 mg SC twice daily, titrated to cortisol response.

Acromegaly (LAR IM)

20–60 mg IM every 28 days.

Protocols summarized for educational reference from published research. Not dosing guidance.

Pasireotide (Signifor) Studies & Cited Research

[1]NEJM·2012 Peer-reviewed

Pasireotide in Cushing's disease (Phase III)

Reduced urinary free cortisol with dose-dependent hyperglycemia.

Why we trust this source: Published in a peer-reviewed scientific journal with editorial and reviewer oversight.

Citations are linked to PubMed, Google Scholar, and Crossref searches so you can verify the source independently. All references are reviewed during our editorial passes (last reviewed June 1, 2026).

Pasireotide (Signifor) Side Effects & Safety Considerations

  • FDA-approved.
  • Significant hyperglycemia risk requires glucose monitoring.
  • Bradycardia and QT prolongation possible.

Explore more peptides

Educational Information Only — Not Medical Advice

All content on this page is for educational and informational purposes only. It is not medical advice, diagnosis, or treatment. We make no claims that any peptide can diagnose, treat, cure, or prevent any disease. Peptides discussed are not FDA-approved for the indications listed unless explicitly stated otherwise.

Always consult a licensed healthcare provider before beginning any wellness protocol. Statements have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability, eligibility, and pricing may vary.

Searching the library…

Ask the Library

Ask anything about peptides — answers come from our curated reference library with citations.

Find a pharmacy that carries Pasireotide (Signifor)

Leave your details and a vetted partner pharmacy will reach out with availability and pricing.