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1. Cyclic Somatostatin
2. Somatofalk
3. Somatostatin 14
4. Somatostatin, Cyclic
5. Somatostatin-14
6. Somatotropin Release Inhibiting Factor
7. Somatotropin Release Inhibiting Hormone
8. Somatotropin Release-inhibiting Factor
9. Somatotropin Release-inhibiting Hormone
10. Srih-14
11. Stilamin
1. Cyclic Somatostatin
2. 38916-34-6
3. Somatostatine
4. Somatostatina
5. Somatostatinum
6. Somatostatin-14
7. Synthetic Somatostatin-14
8. Somatostatin (sheep)
9. Somatostatin 14
10. Synthetic Growth Hormone Release-inhibiting Hormone
11. Chebi:64628
12. Somatostatin, Cyclic
13. Stilamin
14. Srif 14
15. 15-28-somatostatin-28
16. Somatostatine [inn-french]
17. Somatostatinum [inn-latin]
18. Somatostatina [inn-spanish]
19. Somatostatin (rat)
20. Ccris 3629
21. Somatostatin (human)
22. Somatostatin (pigeon)
23. Einecs 254-186-5
24. Somatostatin [inn:ban]
25. Somatostatin-1
26. Unii-6e20216q0l
27. Sr 9357
28. Somatostatin-14srif-14
29. Chembl1823872
30. Schembl21361053
31. Bdbm81767
32. Growth Hormone Inhibiting Hormone
33. Akos015994634
34. 6e20216q0l
35. Db09099
36. Hs-2027
37. Ncgc00167137-01
38. Growth Hormone-release Inhibiting Factor: L-alanylglycyl-l-cysteinyl-l-lysyl-l-asparaginyl-l-phenylalanyl-l-phenylalanyl-l-tryptophyl-l-lysyl-l-threonyl-l-phenylalanyl-l-threonyl-l-seryl-l-cysteine Cyclic (3-14) Disulfide
39. Cas_38916-34-6
40. Cb6417646
41. C74981
42. 916s346
43. Brd-k14681867-015-01-6
44. Q22075835
45. Ala-gly-cyclo-[cys-lys-asn-phe-phe-trp-lys-thr-phe-thr-ser-cys]
46. L-alanyl-n-[(4r,7s,10s,13s,16s,19s,22s,25s,28s,31s,34s,37r)-19,34-bis(4-aminobutyl)-31-(2-amino-2-oxoethyl)-13,25,28-tribenzyl-4-carboxy-10,16-bis[(1r)-1-hydroxyethyl]-7-(hydroxymethyl)-22-(1h-indol-3-ylmethyl)-6,9,12,15,18,21,24,27,30,33,36-undecaoxo-1,2-dithia-5,8,11,14,17,20,23,26,29,32,35-undecaazacyclooctatriacontan-37-yl]glycinamide
47. L-alanylglycyl-l-cysteinyl-l-lysyl-l-asparaginyl-l-phenylalanyl-l-phenylalanyl-l-tryptophyl-l-lysyl-l-threonyl-l-phenylalanyl-l-threonyl-l-seryl-l-cysteine Cyclic (3-14) Disulfide
48. Somatostatin-14 (h-l-ala-l-gly-l-cys(1)-l-lys-l-asn-l-phe-l-phe-l-trp-l-lys-l-thr-l-phe-l-thr-l-ser-l-cys(1)-oh)
Molecular Weight | 1637.9 g/mol |
---|---|
Molecular Formula | C76H104N18O19S2 |
XLogP3 | -3.1 |
Hydrogen Bond Donor Count | 22 |
Hydrogen Bond Acceptor Count | 24 |
Rotatable Bond Count | 26 |
Exact Mass | 1636.71665551 g/mol |
Monoisotopic Mass | 1636.71665551 g/mol |
Topological Polar Surface Area | 664 Ų |
Heavy Atom Count | 115 |
Formal Charge | 0 |
Complexity | 3240 |
Isotope Atom Count | 0 |
Defined Atom Stereocenter Count | 15 |
Undefined Atom Stereocenter Count | 0 |
Defined Bond Stereocenter Count | 0 |
Undefined Bond Stereocenter Count | 0 |
Covalently Bonded Unit Count | 1 |
For the symptomatic treatment of acute bleeding from esophageal varices. Other treatment options for long-term management of the condition may be considered if necessary, once initial control has been established.
Somatostatin is an endogenous peptide hormone that is secreted by the central nervous system, gastrointestinal tract, retina, peripheral neurons and pancreatic D cells of the islets of Langerhans. It exhibits several biological roles but predominantly exerts an inhibitory effect on secretion of other hormones and transmitters. While distribution of two active isoforms of somatostatin is similar, SST-14 is more predominant in the enteric neurons and peripheral nerves whereas SST-28 is more prominent in the retina and intestinal mucosal cells. **Anterior pituitary gland and brain:** It inhibits the release of growth hormones and thyroid-stimulating hormones, such as thyroid stimulating hormone (TSH) and thyrotrophin, from the anterior pituitary while inhibiting the release of dopamine from the midbrain, norepinephrine, TRH and corticotrophin-releasing hormone in the brain. **Pancreas:** In the pancreas, somatostatin reduces the secretion of glucagon and insulin as well as bicarbonate ions and other enzymes. **Thyroid gland:** Somatosatin reduces secretion of T3, T4, and calcitonin. Somatostatin regulates the thyroid function by reducing basal TSH release. **Gastrointestinal tract:** It attenuates the release of most gastrointestinal hormones such as gastrin, secretin, motilin, gastric acid, enteroglucagon, cholecystokinin (CCK), vasoactive intestinal peptide (VIP), gastric inhibitory polypeptide (GIP), intrinsic factor, pepsin, neurotensin, as well as bile secretion and colonic fluid secretion. **Adrenal gland:** It inhibits angiotensin II-stimulated aldosterone secretion and acetylcholine-induced medullary catecholamine secretion. **Eye/retina:** Somatostatin inhibits the production of vascular endothelial growth factor. **Inflammatory cells and sensory nerves:** The expression of somatostatin has been found in inflammatory cells such as lymphocytes, monocytes, macrophages and endothelial cells to act as an autocrine or paracrine regulator in local immune responses. Findings suggest that somatostatin may play a role in exerting local and systemic anti-inflammatory and antinociceptive effects. On primary afferent neurons, somatostatin reduces the responses to thermal stimulation in C-mechanoheat sensitive fibers in a dose-dependent fashion and reduces the responses of C-mechanoheat fibers to bradykinin-induced excitation and sensitization to heat. Somatostatin is reported to elicit an analgesic effect when applied intrathecally; there is evidence supporting that similar effects may occur when systemically used to treat endocrine disorders. Somatostatin is thought to reduce bleeding from esophageal varices by causing splanchnic vasoconstriction. Somatostatin elicits anti-neoplastic actions on various tumours via direct or indirect effects, or a combination of both.
Hormones
Chemical substances having a specific regulatory effect on the activity of a certain organ or organs. The term was originally applied to substances secreted by various ENDOCRINE GLANDS and transported in the bloodstream to the target organs. It is sometimes extended to include those substances that are not produced by the endocrine glands but that have similar effects. (See all compounds classified as Hormones.)
H - Systemic hormonal preparations, excl. sex hormones and insulins
H01 - Pituitary and hypothalamic hormones and analogues
H01C - Hypothalamic hormones
H01CB - Somatostatin and analogues
H01CB01 - Somatostatin
Absorption
This pharmacokinetic data is irrelevant.
Route of Elimination
As a polypeptide chain, somatostatin is primarily eliminated via metabolism by peptidase enzymes.
Volume of Distribution
This pharmacokinetic data is irrelevant.
Clearance
Following intravenous administration of 3H-labeld endogenous somatostatin, the total body clearance was approximately 50 mL/min. In man, the value was calculated to be as high as 3000 mL/minutes, which is greatly exceeds the hepatic blood flow. This suggests that rapid enzymatic breakdown in the circulation and other tissues serves as a critical route of elimination.
Somatostatin is rapidly degraded by peptidase enzymes present in cells and plasma.
The half-life of endogenous somatostatin is 1-3 minutes due to rapid degradation by peptidase enzymes present in the plasma and tissues.
Somatostatin binds to 5 subtypes of somatostatin receptors (SSTRs), which are all Gi-protein-coupled transmembrane receptors that inhibits adenylyl cyclase upon activation. By inhibiting intracellular cyclic AMP and Ca2+ and by a receptor-linked distal effect on exocytosis, SSTRs block cell secretion. The common pathway shared by the receptors involve the activation of phosphotyrosine phosphatase (PTP), and modulation of mitogen-activated protein kinase (MAPK). With the exception of SSTR3, activation of SSTRs lead to activation of voltage-gated potassium channels accompanied by increased K+ currents. This result in membrane hyperpolarization and inhibits depolarization-induced Ca2+ influx through voltage-sensitive Ca2+ channels. Depending on the receptor subtype, signalling cascades involve activation of other downstream targets such as Na+/H+ exchanger, Rho GTPase, and nitric oxide synthase (NOS). SSTRs 1 to 4 bind both somatostatin isoforms with equal nanomolar binding affinity whereas SSTR5 exhibits a 5- to 10-fold higher binding affinity for SST-28. **Effects of SSTR1:** Upon biding of somatostatin and activation, SSTR1 mediates an antisecretory effect on growth hormone, prolactin and calcitonin. **Effects of SSTR2:** SSTR2 subtype dominates in endocrine tissues. By binding to SST2 receptors, somatostatin exerts paracrine inhibitory actions on gastrin release from G cells, histamine release from ECL cells, and directly on parietal cell acid output. SSTR2 receptor signalling cascades also inhibit the secretion of growth hormone and that of adrenocorticotropin, glucagon, insulin, and interferon-. **Effects of SSTR3:** Activation of these receptors lead to reduction in cell proliferation. SSTR3 triggers PTP-dependent cell apoptosis accompanied by activation of p53 and the pro-apoptotic protein Bax. A study of the matrigel sponge assay suggests that through SSTR3-mediated inhibition of both NOS and MAPK activities may lead to the antitumor effects of somatostatin in inhibiting tumor angiogenesis. **Effects of SSTR4:** The functions of SSTR4 remain largely unknown. **Effects of SSTR5:** Like SSTR2, SSTR5 subtype also predominates in endocrine tissues. Upon activation, SSTR5 signalling cascades exert an inhibitory action on growth hormone, adrenocorticotropin, insulin, and glucagon-like peptide-1 as well as the secretion of amylase. The presence of somatostatin receptors has been identified in most neuroendocrine tumours, endocrine gastroenteropancreatic (GEP) tumors, paragangliomas, pheochromocytomas, medullary thyroid carcinomas (MTC) and small cell lung carcinomas. The antitumor effects of somatostatin were also effective in various malignant lymphomas and breast tumours. Gastrointestinal hormones, such as gastrin, secretin, and cholecystokinin (CCK), as well as growth hormones and growth factors are thought to be elevated in gastrointestinal tract and neuroendocrine tumours and are inhibited by somatostatin. _In vitro_, somatostatin inhibited epidermal growth factor (EGF)-induced DNA synthesis and replication following which suggest that somatostatin may have direct anti-proliferative effects via SSTR signalling. Acromegaly is characterized as the endocrine disorder caused by a functioning tumour of cells that secrete growth hormone from the anterior pituitary. Somatostatin analogue therapies serve to normalize the elevated levels of GH and insulin-like growth factor 1 (IGF-1) and attenuate tumour growth. In the vascular system this likely produces vasoconstriction by inhibiting adenylate cyclase leading to a lowering the concentration of cyclic adenosine monophosphate in the endothelial cells which ultimately blocks vasodilation through this pathway. This vasoconstriction is though the be responsible for reducing blood flow to the esophageal tissues and so reduces bleeding from esophageal varices. Somatostatin mediates an analgesic activity by reducing vascular and nociceptive components of inflammation. Studies indicate that somatostatin may be present in nociceptive DRG neurons with C-fibers and primary afferent neurons to inhibit the release of transmitters at the presynaptic junctions of the sensory-efferent nerve terminals. Exogenous somatostatin has shown to inhibit the release of Substance P from central and peripheral nerve ending.
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ABOUT THIS PAGE
A Somatostatin manufacturer is defined as any person or entity involved in the manufacture, preparation, processing, compounding or propagation of Somatostatin, including repackagers and relabelers. The FDA regulates Somatostatin manufacturers to ensure that their products comply with relevant laws and regulations and are safe and effective to use. Somatostatin API Manufacturers are required to adhere to Good Manufacturing Practices (GMP) to ensure that their products are consistently manufactured to meet established quality criteria.
click here to find a list of Somatostatin manufacturers with USDMF, JDMF, KDMF, CEP, GMP, COA and API Price related information on PhamaCompass.
A Somatostatin supplier is an individual or a company that provides Somatostatin active pharmaceutical ingredient (API) or Somatostatin finished formulations upon request. The Somatostatin suppliers may include Somatostatin API manufacturers, exporters, distributors and traders.
click here to find a list of Somatostatin suppliers with USDMF, JDMF, KDMF, CEP, GMP, COA and API Price related information on PharmaCompass.
A Somatostatin DMF (Drug Master File) is a document detailing the whole manufacturing process of Somatostatin active pharmaceutical ingredient (API) in detail. Different forms of Somatostatin DMFs exist exist since differing nations have different regulations, such as Somatostatin USDMF, ASMF (EDMF), JDMF, CDMF, etc.
A Somatostatin DMF submitted to regulatory agencies in the US is known as a USDMF. Somatostatin USDMF includes data on Somatostatin's chemical properties, information on the facilities and procedures used, and details about packaging and storage. The Somatostatin USDMF is kept confidential to protect the manufacturer’s intellectual property.
click here to find a list of Somatostatin suppliers with USDMF on PharmaCompass.
In Korea, the Ministry of Food and Drug Safety (MFDS) is in charge of regulating pharmaceutical products and services.
Pharmaceutical companies submit a Somatostatin Drug Master File in Korea (Somatostatin KDMF) to the MFDS, which includes comprehensive information about the production, processing, facilities, materials, packaging, and testing of Somatostatin. The MFDS reviews the Somatostatin KDMF as part of the drug registration process and uses the information provided in the Somatostatin KDMF to evaluate the safety and efficacy of the drug.
After submitting a Somatostatin KDMF to the MFDS, the registered manufacturer can provide importers or distributors with the registration number without revealing confidential information to Korean business partners. Applicants seeking to register their Somatostatin API can apply through the Korea Drug Master File (KDMF).
click here to find a list of Somatostatin suppliers with KDMF on PharmaCompass.
A Somatostatin CEP of the European Pharmacopoeia monograph is often referred to as a Somatostatin Certificate of Suitability (COS). The purpose of a Somatostatin CEP is to show that the European Pharmacopoeia monograph adequately controls the purity of Somatostatin EP produced by a given manufacturer. Suppliers of raw materials can prove the suitability of Somatostatin to their clients by showing that a Somatostatin CEP has been issued for it. The manufacturer submits a Somatostatin CEP (COS) as part of the market authorization procedure, and it takes on the role of a Somatostatin CEP holder for the record. Additionally, the data presented in the Somatostatin CEP (COS) is managed confidentially and offers a centralized system acknowledged by numerous nations, exactly like the Somatostatin DMF.
A Somatostatin CEP (COS) is recognised by all 36 nations that make up the European Pharmacopoeia Convention. Somatostatin CEPs may be accepted in nations that are not members of the Ph. Eur. at the discretion of the authorities there.
click here to find a list of Somatostatin suppliers with CEP (COS) on PharmaCompass.
A Somatostatin written confirmation (Somatostatin WC) is an official document issued by a regulatory agency to a Somatostatin manufacturer, verifying that the manufacturing facility of a Somatostatin active pharmaceutical ingredient (API) adheres to the Good Manufacturing Practices (GMP) regulations of the importing country. When exporting Somatostatin APIs or Somatostatin finished pharmaceutical products to another nation, regulatory agencies frequently require a Somatostatin WC (written confirmation) as part of the regulatory process.
click here to find a list of Somatostatin suppliers with Written Confirmation (WC) on PharmaCompass.
Somatostatin Active pharmaceutical ingredient (API) is produced in GMP-certified manufacturing facility.
GMP stands for Good Manufacturing Practices, which is a system used in the pharmaceutical industry to make sure that goods are regularly produced and monitored in accordance with quality standards. The FDA’s current Good Manufacturing Practices requirements are referred to as cGMP or current GMP which indicates that the company follows the most recent GMP specifications. The World Health Organization (WHO) has its own set of GMP guidelines, called the WHO GMP. Different countries can also set their own guidelines for GMP like China (Chinese GMP) or the EU (EU GMP).
PharmaCompass offers a list of Somatostatin GMP manufacturers, exporters & distributors, which can be sorted by USDMF, JDMF, KDMF, CEP (COS), WC, API price, and more, enabling you to easily find the right Somatostatin GMP manufacturer or Somatostatin GMP API supplier for your needs.
A Somatostatin CoA (Certificate of Analysis) is a formal document that attests to Somatostatin's compliance with Somatostatin specifications and serves as a tool for batch-level quality control.
Somatostatin CoA mostly includes findings from lab analyses of a specific batch. For each Somatostatin CoA document that a company creates, the USFDA specifies specific requirements, such as supplier information, material identification, transportation data, evidence of conformity and signature data.
Somatostatin may be tested according to a variety of international standards, such as European Pharmacopoeia (Somatostatin EP), Somatostatin JP (Japanese Pharmacopeia) and the US Pharmacopoeia (Somatostatin USP).
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