Updated version of this database is available at ThpDB2

Detailed description page of THPdb

This page displays user query in tabular form.

1421 details
Primary information
ThPP IDTh1070
Therapeutic Peptide/Protein NameBotulinum Toxin Type A
SequenceMPFVNKQFNYKDPVNGVDIAYIKIPNVGQMQPVKAFKIHNKIWVIPERDT view full sequnce in fasta
Functional ClassificationIc
Molecular Weight149322.7
Chemical FormulaC6760H10447N1743O2010S32
Isoelectric Point6.06
Hydrophobicity-0.368
Melting Point (℃)N.A.
Half LifeN.A.
DescriptionPurified botulinum toxin from Clostridium botulinum, purified from culture via dialysis and acid precipitation.
Indication/DiseaseFor the treatment of cervical dystonia in adults to decrease the severity of abnormal head position and neck pain associated with cervical dystonia. Also for the treatment of severe primary axillary hyperhidrosis that is inadequately managed with topical agents and for the treatment of strabismus and blepharospasm associated with dystonia, including benign essential blepharospasm or VII nerve disorders in patients 12 years of age and above. Also used cosmetically to temporarily improve the appearance of moderate-to-severe frown lines between the eyebrows (glabellar lines) as well as for the treatment of excessive underarm sweating.
PharmacodynamicsA 150 kDa neurotoxic protein produced from fermentation of Hall strain Clostridium botulinum type A grown in a medium containing casein hydrolysate, glucose and yeast extract. It is purified from the culture solution by dialysis and a series of acid precipitations to a complex consisting of the neurotoxin, and several accessory proteins. Botulinum Toxin Type A is not expected to be present in the peripheral blood at measurable levels following IM or intradermal injection at the recommended doses. The recommended quantities of neurotoxin administered at each treatment session are not expected to result in systemic, overt distant clinical effects, i.e. muscle weakness, in patients without other neuromuscular dysfunction. However, sub-clinical systemic effects have been shown by single-fiber electromyography after IM doses of botulinum toxins appropriate to produce clinically observable local muscle weakness.
Mechanism of ActionBotulinum Toxin Type A blocks neuromuscular transmission by binding to acceptor sites on motor or sympathetic nerve terminals, entering the nerve terminals, and inhibiting the release of acetylcholine. This inhibition occurs as the neurotoxin cleaves SNAP-25, a protein integral to the successful docking and release of acetylcholine from vesicles situated within nerve endings.
ToxicityBased on toxicological studies, it has been estimated that the human LD50 by injection is approximately 2800 Units, equivalent to 28 individual vials of BOTOX (Botulinum Toxin Type A) Purified Neurotoxin Complex (100 Units) for a 70 kg adult. When injected intramuscularly, Botulinum Toxin Type A has been shown to be teratogenic or to have embryocidal effects in some animal species.
MetabolismN.A.
AbsorptionThe chemical complexity of Botulinum Toxin Type A combined with its extreme potency limits the opportunity to study its pharmacokinetic profile in humans. Therefore, no human pharmacokinetic studies have been performed. Botulinum Toxin Type A is injected directly into the target organ, a skeletal muscle. Thus, bioavailability of the intravenous or oral route is not of clinical relevance.
Volume of DistributionN.A.
ClearanceN.A.
CategoriesNeuromuscular Blocking Agents, Anti-Wrinkle Agents and Antidystonic Agents
Patents NumberN.A.
Date of IssueN.A.
Date of ExpiryN.A.
Drug InteractionN.A.
TargetN.A.
Information of corresponding available drug in the market
Brand NameXeomin
CompanyMERZ AESTHETICS
Brand DiscriptionThe active ingredient of XEOMIN is botulinum toxin type A produced from fermentation of Hall strain Clostridium botulinum serotype A. The botulinum toxin complex is purified from the culture supernatant and then the active ingredient is separated from the proteins
Prescribed forXeomin is indicated in Cervical Dystonia, Blepharospasm, Glabellar Lines
Chemical NameN.A.
FormulationOne vial of XEOMIN contains 50 or 100 Units of incobotulinumtoxinA, 1 mg of human albumin, and 4.7 mg sucrose.
Physcial AppearnceXEOMIN is a sterile white to off-white lyophilized powder after reconstitution with preservative-free 0.9% Saline for Injection.
Route of AdministrationIntramuSubcutaneousular Injection
Recommended DosageIn Cervical Dystonia: Initial dose of Xeomin is 120 Units given intramuscularly. In Blepharospasm: The total initial dose of XEOMIN in both eyes should not exceed 70 Units (35 Units/eye).In Glabellar Lines: The total recommended XEOMIN dose is 20 Units per treatment session divided into five equal intramuscular injections of 4 Units each.
ContraindicationKnown hypersensitivity to the active substance botulinum neurotoxin type A or to any of the excipients and Infection at the proposed injection sites
Side EffectsIn Cervical Dystonia: The most commonly observed adverse reactions (≥5% of patients and > placebo) are dysphagia, neck pain, muscle weakness, injection site pain, and musculoskeletal pain. In Blepharospasm: The most commonly observed adverse reactions (≥5% of patients and > placebo) are eyelid ptosis, dry eye, dry mouth, diarrhea, headache, visual impairment, dyspnea, nasopharyngitis, and respiratory tract infection. In Glabellar Lines:The most commonly observed adverse reaction (>1% of patients and > placebo) is headache.
Useful Linkhttp://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=3f35d6e0-3450-4abc-a0da-cc7b277e7c6e http://www.rxlist.com/xeomin-drug.htm
PubMed ID15887434
3-D StructureTh1070 (View) or (Download)