1. GPCR/G Protein
    Neuronal Signaling
  2. CGRP Receptor
  3. Olcegepant hydrochloride

Olcegepant hydrochloride (Synonyms: BIBN-4096 hydrochloride; BIBN4096BS hydrochloride)

Cat. No.: HY-10095A Purity: 99.31%
Handling Instructions

Chlorhydrate d’olcegepant (chlorhydrate de BIBN-4096) est un antagoniste non peptidique puissant et sélectif du récepteur du peptide 1 lié au gène de la calcitonine (CGRP1) avec IC50 de 0,03 nM et avec un Ki de 14,4 pM pour le CGRP humain.

Olcegepant hydrochloride (BIBN-4096 hydrochloride) is a potent and selective non-peptide antagonist of the calcitonin gene-related peptide 1 (CGRP1) receptor with IC50 of 0.03 nM and with a Ki of 14.4 pM for human CGRP.

For research use only. We do not sell to patients.

Olcegepant hydrochloride Chemical Structure

Olcegepant hydrochloride Chemical Structure

CAS No. : 586368-06-1

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10 mM * 1 mL in Water USD 323 Ask For Quote & Lead Time
5 mg USD 192 Ask For Quote & Lead Time
10 mg USD 324 Ask For Quote & Lead Time
50 mg USD 1355 Ask For Quote & Lead Time

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Top Publications Citing Use of Products

    Olcegepant hydrochloride purchased from MCE. Usage Cited in: Cell Physiol Biochem. 2017;41(4):1457-1467.

    In terms of the p-ERK1/2 expressions, there is no significant difference between the model and the NC groups, however, rats in the model and NC groups show substantially higher p-ERK1/2 levels than those in the sham surgery group (P < 0.05). The level of p-ERK1/2 in rats in the NPY inhibitors group and CGRP inhibitors group are significantly lower compared with the model group (P < 0.05).
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    Description

    Olcegepant hydrochloride (BIBN-4096 hydrochloride) is a potent and selective non-peptide antagonist of the calcitonin gene-related peptide 1 (CGRP1) receptor with IC50 of 0.03 nM and with a Ki of 14.4 pM for human CGRP[1][2].

    IC50 & Target

    IC50: 0.03 nM (CGRP1)[1]
    Ki: 14.4 pM (hCGRP)[2]

    In Vitro

    Olcegepant possesses higher affinity for the human CGRP receptor than the endogenous ligand CGRP and 150-fold higher affinity compared to the peptidic antagonist CGRP8-37. Olcegepant reverses CGRP-mediated vasodilation in human cerebral vessels and inhibits neurogenic vasodilation in a surrogate animal model of migraine pathophysiology[1]. Olcegepant (BIBN4096BS) is extremely potent at primate CGRP receptors exhibiting an affinity (Ki) for human CGRP receptors of 14.4±6.3 (n=4) pM[2]. Several lines of evidence suggest that a calcitonin-gene related peptide (CGRP) receptor antagonist may serve as a novel abortive migraine treatment. Olcegepant (BIBN4096BS) exhibits competitive antagonism at the CGRP receptor present in SK-N-MC cells. Isolated human cerebral, coronary, and omental arteries are studied with a sensitive myograph technique. CGRP induces a concentration-dependent relaxation that is antagonized by Olcegepant in a competitive manner[3].

    In Vivo

    Olcegepant (BIBN4096BS) in doses between 1 and 30 μg/kg (i.v.) inhibits the effects of CGRP, released by stimulation of the trigeminal ganglion, on facial blood flow in marmoset monkeys[2]. Pre-treatment with Olcegepant (900 μg/kg) inhibits the capsaicin-induced expression of Fos throughout the spinal trigeminal nucleus by 57%. In contrast, the expression of phosphorylated extracellular signal-regulated kinase in the trigeminal ganglion is not changed by Olcegepant pre-treatment[4]. Olcegepant (0.3 to 0.9 mg/kg, i.v.) markedly reduces mechanical allodynia in CCI-ION rats. Olcegepant (0.6 mg/kg, i.v.) significantly reduces the number of c-Fos immunolabeled cells in spinal nucleus of the trigeminal nerve and upregulation of ATF3 transcript (a marker of neuron injury) but not that of interleukin-6 in trigeminal ganglion of CCI-ION rats[5].

    Clinical Trial
    Molecular Weight

    906.11

    Formula

    C₃₈H₄₇Br₂N₉O₅.HCl

    CAS No.

    586368-06-1

    SMILES

    O=C1N(CC2=C(N1)C=CC=C2)C3CCN(C(N[[email protected]@H](C(N[[email protected]](C(N4CCN(C5=CC=NC=C5)CC4)=O)CCCCN)=O)CC6=CC(Br)=C(C(Br)=C6)O)=O)CC3.Cl

    Shipping

    Room temperature in continental US; may vary elsewhere.

    Storage
    Powder -20°C 3 years
      4°C 2 years
    In solvent -80°C 6 months
      -20°C 1 month
    Solvent & Solubility
    In Vitro: 

    H2O : ≥ 66.66 mg/mL (73.57 mM)

    *"≥" means soluble, but saturation unknown.

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 1.1036 mL 5.5181 mL 11.0362 mL
    5 mM 0.2207 mL 1.1036 mL 2.2072 mL
    10 mM 0.1104 mL 0.5518 mL 1.1036 mL
    *Please refer to the solubility information to select the appropriate solvent.
    References
    Kinase Assay
    [2]

    125I-hCGRP is used as the radioligand. The incubation buffer contained (in mM): Tris 50, NaCl 150, MgCl2 5 and EDTA 1, (ethylene diamine tetra-acetic acid) pH 7.4. Membrane homogenates are incubated for 180 min at room temperature with 50 pM 125I -hCGRP and increasing concentrations of Olcegepant (BIBN4096BS). The incubation is terminated by filtration through GF/B glass fibre filters using a cell harvester. The protein-bound radioactivity is determined in a gamma counter. The nonspecific binding is defined as radioactivity bound in the presence of 1 μM CGRP. The IC50 values are obtained by non-linear regression analysis on the basis of a one binding site model [2].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    Cell Assay
    [3]

    Cells are washed with phosphate-buffered saline then pre-incubated with 300 μM isobutylmethylxanthine in serum-free MEM for 30 min at 37 °C α-CGRP-(S-37) or Olcegepant (BIBN4096BS) is added and the cells are incubated for 10 min before the addition of CGRP. The incubation is continued for another 15 min, then the cells are washed with PBS and processed for cAMP determination. Maximal stimulation over basal is defined by using 100 nM CGRP. Dose–response curves are generated by using Prism[3].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    Animal Administration
    [5]

    Rats are treated acutely with Olcegepant (0.3, 0.6, and 0.9 mg/kg, intravenously [i.v.] in a tail vein), GR-85548A (0.1 and 0.3 mg/kg subcutaneously [s.c.]), or their respective vehicle. For combined treatment, Olcegepant (0.3 mg/kg, i.v.) is administered 30 minutes before GR-85548A (0.1 mg/kg, s.c.). The doses and routes of administration are based on previous reports.
    For subchronic treatment, CCI-ION and sham-operated rats are injected twice per day for 4 days (at 10 am and 6 pm) with Olcegepant (0.6 mg/kg, i.v.) or its vehicle, starting on the 15th day after ligature. A further injection of Olcegepant (0.6 mg/kg, i.v.) or vehicle is performed at 10 am the subsequent day (19th day after ligature), just before von Frey filament testing.

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    References

    Purity: 99.31%

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    Keywords:

    OlcegepantBIBN-4096BIBN4096BSBIBN4096BIBN 4096CGRP ReceptorCalcitonin gene-related peptide receptorInhibitorinhibitorinhibit

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