Sandostatin LAR® Depot and Carcinoid Syndrome
Sandostatin LAR® Depot (octreotide acetate for injectable suspension) is a mainstay of therapy for carcinoid syndrome, which provides targeted treatment for carcinoid syndrome.
- Reduction of Bioactive Secretions
- Control of 5-HIAA Levels
- Reduction in Diarrhea Frequency and Flushing Episodes
Reduction of Bioactive Secretions
Sandostatin LAR® Depot* reduces bioactive secretions to provide important biochemical control of carcinoid syndrome (1)
- Highly active secretions such as serotonin, neurotensin, vasoactive intestinal peptide, and pancreatic polypeptide are distributed throughout a patient's body - causing debilitating symptoms (2, 3)
- Effective disease management can be reached with a therapeutic agent that suppresses bioactive secretions and controls debilitating symptoms
- Sandostatin LAR® Depot works at the site of carcinoid tumors, binding to sst-2 and sst-5 receptors, to reduce hypersecretions (4, 5, 6)
Patient Case Study: Sandostatin LAR® Depot Reduces Peptide Concentrations (3)
Control of 5-HIAA Levels
Suppressing 5-HIAA Levels, a metabolite of serotonin, is key for assessing and managing a patient with carcinoid syndrome (2, 7). A positive correlation between tumor mass and urinary 5-HIAA levels allows for use of 5-HIAA to estimate the extent of carcinoid disease (2, 7).
Sandostatin LAR® Depot Provides Up to 50% Suppression of 5-HIAA Levels (8, 9)
Reduction in Diarrhea Frequency and Flushing Episodes
By working at the site of carcinoid tumors, Sandostatin LAR® Depot reduces bioactive secretions and controls diarrhea frequency and flushing episodes (1):
- Bioactive tumor secretions such as serotonin, histamine, and vasoactive intestinal polypeptide (VIP) are implicated in the chronic secretory diarrhea unique to carcinoid syndrome (1, 10)
- Uncontrolled diarrhea due to carcinoid syndrome leaves patients at risk for serious comorbidities such as opportunistic intestinal infections and dehydration (4, 8, 10)
- Diarrhea is the primary impetus for patients to seek medical help, making effective long-term treatment necessary
- Sandostatin LAR® Depot reduces flushing episodes from 4.5 episodes/day to 0.7 episodes/day (8, 9)
The Mainstay of Medical Therapy for Carcinoid Syndrome
Sandostatin LAR® Depot:
- Reduced 5-HIAA levels by up to 50% (8, 9)
- Reduced diarrhea frequency by 42% (8, 9)*
- Reduced flushing frequency by 84% (8, 9)*
- Provides smooth, consistent drug levels for the entire once-monthly treatment period at all doses after steady state is attained (11)
- Offers a well-established safety profile (8)
- Can provide additional control to treat symptom flare-ups*
*Patients with carcinoid tumors often experience symptom flareups while being maintained on immediate release Sandostatin® Injection or Sandostatin LAR® Depot. They may be given immediate release Sandostatin® Injection for a few days (at the dosage they were receiving prior to switch to Sandostatin LAR® Depot) until symptoms are again controlled.
References
- Vinik A, Moattari AR, Use of somatostatin analog in management of carcinoid syndrome. Dig Dis Sci. 1989;34(3 Suppl):14S-27S.
- Jensen RT, Doherty GM, Carcinoid tumors and the carcinoid syndrome, in Cancer: Principles & Practice of Oncology, V.T. De Vita, S. Hellman, and S.A. Rosenburg, Editors. 2001, Lippincott Williams & Wilkins: Philadelphia, PA. p. 1813-1833.
- Maton PN, O'Dorisio TM, Howe BA, et al, Effect of a long-acting somatostatin analogue (SMS 201-995) in a patient with pancreatic cholera. N Engl J Med. 1985;312(1):17-21.
- Benali N, Ferjoux G, Puente E, et al, Somatostatin receptors. Digestion. 2000;62 Suppl 1:27-32.
- Battershill PE, Clissold SP, Octreotide. A review of its pharmacodynamic and pharmacokinetic properties, and therapeutic potential in conditions associated with excessive peptide secretion. Drugs. 1989;38(5):658-702.
- Arnold R, Frank M, Gastrointestinal endocrine tumours: medical management. Baillieres Clin Gastroenterol. 1996;10(4):737-59.
- McCormick D, Carcinoid tumors and syndrome. Gastroenterol Nurs. 2002;25(3):105-11.
- Rubin J, Ajani J, Schirmer W, et al, Octreotide acetate long-acting formulation versus open-label subcutaneous octreotide acetate in malignant carcinoid syndrome. J Clin Oncol. 1999;17(2):600-6.
- Sandostatin (octreotide acetate) Injection prescribing information. 1997, East Hanover, NJ: Novartis Pharmaceuticals Corp.
- Kulke MH, Mayer RJ, Carcinoid tumors. N Engl J Med. 1999;340(11):858-68.
- Lancranjan I, Bruns C, Grass P, et al, Sandostatin LAR®: pharmacokinetics, pharmacodynamics, efficacy, and tolerability in acromegalic patients. Metabolism. 1995;44(Suppl 1):18-26.
