Cobimetinib
Übersicht
Beschreibung
Cobimetinib, sold under the brand name Cotellic, is an anti-cancer medication used primarily in combination with vemurafenib to treat melanoma. It is a selective inhibitor of mitogen-activated protein kinase kinase 1 (MEK1) and mitogen-activated protein kinase kinase 2 (MEK2), which are part of the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) pathway . This pathway is often over-activated in various cancers, making this compound a valuable therapeutic agent .
Wirkmechanismus
Target of Action
Cobimetinib is a highly selective small molecule that primarily targets the mitogen-activated protein kinase kinase 1 (MAP2K1 or MEK1) . MEK1 is a central component of the RAS/RAF/MEK/ERK signal transduction pathway , which plays a crucial role in regulating cell cycle, proliferation, differentiation, and secretion .
Mode of Action
This compound acts as a reversible inhibitor of MEK1 and MEK2 . It binds to these kinases and selectively inhibits their activity, even when MEK is already phosphorylated . This inhibition results in decreased ERK1/2 phosphorylation .
Biochemical Pathways
The primary biochemical pathway affected by this compound is the RAS/RAF/MEK/ERK signaling pathway . This pathway is activated in response to various stimuli and regulates the proliferation and survival of several types of eukaryotic cells . By inhibiting MEK1 and MEK2, this compound disrupts this pathway, leading to decreased ERK1/2 phosphorylation .
Pharmacokinetics
This compound is an orally active compound .
Result of Action
The inhibition of MEK1 and MEK2 by this compound leads to a decrease in ERK1/2 phosphorylation . This disruption of the RAS/RAF/MEK/ERK signaling pathway can slow or stop the proliferation of cancer cells . In addition, this compound has been found to induce damage-associated molecular patterns (DAMPs), such as cell-surface translocation of calreticulin (CRT), extracellular release of ATP, and increase in high-mobility group box protein B1 (HMGB1) release from dying tumor cells .
Biochemische Analyse
Biochemical Properties
Cobimetinib plays a crucial role in biochemical reactions by inhibiting the activity of mitogen-activated protein kinase kinase 1 (MEK1) and mitogen-activated protein kinase kinase 2 (MEK2). These enzymes are upstream regulators of the extracellular signal-regulated kinase (ERK) pathway, which promotes cellular proliferation . By inhibiting MEK1 and MEK2, this compound effectively reduces the phosphorylation and activation of ERK1 and ERK2, leading to decreased cellular proliferation . This compound interacts with these enzymes through reversible binding, which allows it to inhibit their activity without permanently altering their structure .
Cellular Effects
This compound has significant effects on various types of cells and cellular processes. It primarily influences cell function by inhibiting the MEK/ERK signaling pathway, which is crucial for cell proliferation and survival . In cancer cells, this compound induces apoptosis and inhibits cell growth by reducing the phosphorylation of ERK1 and ERK2 . This inhibition leads to decreased expression of genes involved in cell cycle progression and survival, ultimately resulting in reduced cellular proliferation and increased cell death . Additionally, this compound has been shown to induce immunogenic cell death in certain cancer cell lines, further enhancing its anti-tumor effects .
Molecular Mechanism
The molecular mechanism of this compound involves its selective inhibition of MEK1 and MEK2, which are key components of the RAS/RAF/MEK/ERK signaling pathway . This compound binds to the allosteric site of MEK1 and MEK2, preventing their activation and subsequent phosphorylation of ERK1 and ERK2 . This inhibition disrupts the downstream signaling cascade, leading to decreased cellular proliferation and increased apoptosis . This compound’s ability to maintain its inhibitory effect even when MEK is already phosphorylated further enhances its efficacy in targeting cancer cells .
Temporal Effects in Laboratory Settings
Dosage Effects in Animal Models
The effects of this compound vary with different dosages in animal models. At lower doses, this compound effectively inhibits tumor growth and induces apoptosis without causing significant toxicity . At higher doses, this compound can cause adverse effects, including gastrointestinal toxicity, hepatotoxicity, and cardiotoxicity . These toxic effects highlight the importance of optimizing the dosage of this compound to achieve maximum therapeutic benefit while minimizing adverse effects .
Metabolic Pathways
This compound is primarily metabolized through the cytochrome P450 3A4 (CYP3A4) pathway . This metabolic pathway involves the oxidation of this compound, leading to the formation of various metabolites that are subsequently excreted in the feces and urine . The metabolism of this compound can be influenced by other drugs that inhibit or induce CYP3A4, potentially affecting its efficacy and safety . Additionally, this compound’s interaction with other enzymes and cofactors involved in its metabolism can impact its pharmacokinetics and overall therapeutic profile .
Transport and Distribution
This compound is transported and distributed within cells and tissues through various mechanisms. It is highly protein-bound, with approximately 95% of the drug bound to plasma proteins . This high protein binding affects its distribution and bioavailability, as only the unbound fraction of this compound is pharmacologically active . This compound is also subject to active transport by efflux transporters, such as P-glycoprotein, which can influence its intracellular concentration and distribution . These transport mechanisms play a crucial role in determining the localization and accumulation of this compound within different tissues and cells .
Subcellular Localization
The subcellular localization of this compound is primarily determined by its interaction with specific targeting signals and post-translational modifications. This compound is known to localize to the cytoplasm, where it exerts its inhibitory effects on MEK1 and MEK2 . The presence of specific targeting signals, such as nuclear localization signals, can also influence the subcellular distribution of this compound, directing it to specific compartments or organelles . These localization patterns are critical for this compound’s activity and function, as they determine its ability to effectively inhibit the MEK/ERK signaling pathway and exert its anti-tumor effects .
Vorbereitungsmethoden
Die Synthese von Cobimetinib umfasst mehrere Schritte, die von (2S)-2-Piperidincarbonsäure ausgehen. Der Prozess umfasst Nitrierung, Hydrolyse, Veresterung und tert-Butoxycarbonyl (Boc)-Schutz, um ein Zwischenprodukt, [2-Oxo-2-((2S)-1-tert-Butoxycarbonylpiperidin-2-yl)]acetat, zu erzeugen . Dieses Zwischenprodukt wird Additions-, Reduktions- und Cyclisierungsreaktionen unterzogen, um (2S)-1-tert-Butoxycarbonyl-2-(3-Hydroxyazetidin-3-yl)piperidin zu bilden, das dann mit einer Seitenkette kondensiert wird, um this compound zu ergeben . Der Prozess ist so konzipiert, dass er wirtschaftlich, umweltfreundlich und für die industrielle Produktion geeignet ist .
Analyse Chemischer Reaktionen
Cobimetinib durchläuft verschiedene chemische Reaktionen, darunter:
Oxidation: This compound wird hauptsächlich durch Cytochrom P450 3A4 (CYP3A4)-Oxidation metabolisiert.
Reduktion: Die Reduktionsreaktionen sind Teil seines Synthesewegs.
Substitution: Die Synthese beinhaltet Substitutionsreaktionen, um funktionelle Gruppen einzuführen
Häufige Reagenzien und Bedingungen, die in diesen Reaktionen verwendet werden, umfassen tert-Butoxycarbonylchlorid zum Boc-Schutz und verschiedene Reduktionsmittel für die Reduktionsschritte . Die wichtigsten Produkte, die aus diesen Reaktionen gebildet werden, sind Zwischenprodukte, die zum endgültigen this compound-Molekül führen .
Wissenschaftliche Forschungsanwendungen
Cobimetinib hat verschiedene Anwendungen in der wissenschaftlichen Forschung:
Medizin: Es wird hauptsächlich in Kombination mit Vemurafenib zur Behandlung von nicht resektablem oder metastasiertem Melanom mit BRAF V600-Mutationen eingesetzt Es wird auch für sein Potenzial zur Behandlung anderer Krebsarten wie Brustkrebs untersucht.
Industrie: This compound wird von Pharmaunternehmen zur therapeutischen Verwendung hergestellt und vermarktet.
5. Wirkmechanismus
This compound ist ein reversibler Inhibitor von MEK1 und MEK2, die stromaufwärts regulierende Faktoren des ERK-Signalwegs sind . Durch die Hemmung dieser Kinasen verhindert this compound die Phosphorylierung und Aktivierung von ERK, was zu einer verringerten Zellproliferation und einer verstärkten Apoptose in Krebszellen führt . Dieser Mechanismus ist besonders effektiv bei Krebserkrankungen mit Mutationen im BRAF-Gen, die zu einer konstitutiven Aktivierung des MAPK/ERK-Signalwegs führen .
Vergleich Mit ähnlichen Verbindungen
Cobimetinib ist einer von mehreren MEK-Inhibitoren, die zur Krebsbehandlung eingesetzt werden. Zu den ähnlichen Verbindungen gehören:
Trametinib: Ein weiterer MEK-Inhibitor, der zur Behandlung von Melanomen eingesetzt wird.
Binimetinib: Wird in Kombination mit anderen Medikamenten zur Behandlung von Melanomen und anderen Krebserkrankungen eingesetzt.
Selumetinib: Wird zur Behandlung der Neurofibromatose Typ 1 und anderer Krebsarten eingesetzt.
This compound ist einzigartig in seiner Kombinationsanwendung mit Vemurafenib, das eine andere Kinase im MAPK/ERK-Signalweg angreift, was zu synergistischen Effekten und verbesserten therapeutischen Ergebnissen führt .
Eigenschaften
IUPAC Name |
[3,4-difluoro-2-(2-fluoro-4-iodoanilino)phenyl]-[3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl]methanone |
Source
|
|---|---|---|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
InChI |
InChI=1S/C21H21F3IN3O2/c22-14-6-5-13(19(18(14)24)27-16-7-4-12(25)9-15(16)23)20(29)28-10-21(30,11-28)17-3-1-2-8-26-17/h4-7,9,17,26-27,30H,1-3,8,10-11H2/t17-/m0/s1 |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
InChI Key |
BSMCAPRUBJMWDF-KRWDZBQOSA-N |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
Canonical SMILES |
C1CCNC(C1)C2(CN(C2)C(=O)C3=C(C(=C(C=C3)F)F)NC4=C(C=C(C=C4)I)F)O |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
Isomeric SMILES |
C1CCN[C@@H](C1)C2(CN(C2)C(=O)C3=C(C(=C(C=C3)F)F)NC4=C(C=C(C=C4)I)F)O |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
Molecular Formula |
C21H21F3IN3O2 |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
DSSTOX Substance ID |
DTXSID60239435 |
Source
|
| Record name | Cobimetinib | |
| Source | EPA DSSTox | |
| URL | https://comptox.epa.gov/dashboard/DTXSID60239435 | |
| Description | DSSTox provides a high quality public chemistry resource for supporting improved predictive toxicology. | |
Molecular Weight |
531.3 g/mol |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
Mechanism of Action |
Cobimetinib is a reversible inhibitor of mitogen-activated protein kinase (MAPK)/extracellular signal-regulated kinase 1 (MEK1) and MEK2. MEK proteins are upstream regulators of the extracellular signal-related kinase (ERK) pathway, which promotes cellular proliferation. BRAF V600E and K mutations result in constitutive activation of the BRAF pathway which includes MEK1 and MEK2. In mice implanted with tumor cell lines expressing BRAF V600E, cobimetinib inhibited tumor cell growth. Cobimetinib and vemurafenib target two different kinases in the RAS/RAF/MEK/ERK pathway. Compared to either drug alone, coadministration of cobimetinib and vemurafenib resulted in increased apoptosis in vitro and reduced tumor growth in mouse implantation models of tumor cell lines harboring BRAF V600E mutations. Cobimetinib also prevented vemurafenib-mediated growth enhancement of a wild-type BRAF tumor cell line in an in vivo mouse implantation model. |
Source
|
| Record name | Cobimetinib | |
| Source | DrugBank | |
| URL | https://www.drugbank.ca/drugs/DB05239 | |
| Description | The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug (i.e. chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e. sequence, structure, and pathway) information. | |
| Explanation | Creative Common's Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/legalcode) | |
CAS No. |
934660-93-2 |
Source
|
| Record name | Cobimetinib | |
| Source | CAS Common Chemistry | |
| URL | https://commonchemistry.cas.org/detail?cas_rn=934660-93-2 | |
| Description | CAS Common Chemistry is an open community resource for accessing chemical information. Nearly 500,000 chemical substances from CAS REGISTRY cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes. This chemical information, curated by our expert scientists, is provided in alignment with our mission as a division of the American Chemical Society. | |
| Explanation | The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated. | |
| Record name | Cobimetinib [USAN:INN] | |
| Source | ChemIDplus | |
| URL | https://pubchem.ncbi.nlm.nih.gov/substance/?source=chemidplus&sourceid=0934660932 | |
| Description | ChemIDplus is a free, web search system that provides access to the structure and nomenclature authority files used for the identification of chemical substances cited in National Library of Medicine (NLM) databases, including the TOXNET system. | |
| Record name | Cobimetinib | |
| Source | DrugBank | |
| URL | https://www.drugbank.ca/drugs/DB05239 | |
| Description | The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug (i.e. chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e. sequence, structure, and pathway) information. | |
| Explanation | Creative Common's Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/legalcode) | |
| Record name | Cobimetinib | |
| Source | EPA DSSTox | |
| URL | https://comptox.epa.gov/dashboard/DTXSID60239435 | |
| Description | DSSTox provides a high quality public chemistry resource for supporting improved predictive toxicology. | |
| Record name | COBIMETINIB | |
| Source | FDA Global Substance Registration System (GSRS) | |
| URL | https://gsrs.ncats.nih.gov/ginas/app/beta/substances/ER29L26N1X | |
| Description | The FDA Global Substance Registration System (GSRS) enables the efficient and accurate exchange of information on what substances are in regulated products. Instead of relying on names, which vary across regulatory domains, countries, and regions, the GSRS knowledge base makes it possible for substances to be defined by standardized, scientific descriptions. | |
| Explanation | Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required. | |
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