Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2021-09-11 13:21:16 UTC |
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Update Date | 2021-09-26 23:07:58 UTC |
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HMDB ID | HMDB0254167 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | Losmapimod |
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Description | Losmapimod belongs to the class of organic compounds known as phenylpyridines. These are polycyclic aromatic compounds containing a benzene ring linked to a pyridine ring through a CC or CN bond. In April 2019, Fulcrum Therapeutics acquired from GSK the global rights to Losmapimod after identifying p38α/β MAPK inhibitors as potent suppressors of DUX4 expression, the de-suppression of which is theorized to cause Facioscapulohumeral muscular dystrophy (FSHD). Losmapimod is a moderately basic compound (based on its pKa). GSK investigated losmapimod as a therapeutic for major depressive disorder (MDD) on the basis of depression being correlated with elevated pro-inflammatory cytokines. However, these trials showed that losmapimod is generally well-tolerated. As of October 2019, Fulcrum is conducting two clinical trials of losmapimod for treatment of FSHD. GSK terminated development of losmapimod for COPD in 2016. GSK investigated losmapimod as a therapeutic for patients post-myocardial infarction (heart attack). Losmapimod has been shown to be potentially useful in overcoming gefitinib resistance in non-small-cell lung carcinoma. One trial, ReDUX4, is evaluating drug efficacy in a randomized controlled phase IIb clinical trial with an estimated study completion date of August 2020. Losmapimod (GW856553X) is a drug developed by GlaxoSmithKline (GSK) that selectively inhibits enzymes p38α/β mitogen-activated protein kinases (MAPKs), which are mediators of inflammation. This compound has been identified in human blood as reported by (PMID: 31557052 ). Losmapimod is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Losmapimod is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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Structure | CC1=C(C=C(C=C1F)C(=O)NC1CC1)C1=CC=C(C=N1)C(=O)NCC(C)(C)C InChI=1S/C22H26FN3O2/c1-13-17(9-15(10-18(13)23)21(28)26-16-6-7-16)19-8-5-14(11-24-19)20(27)25-12-22(2,3)4/h5,8-11,16H,6-7,12H2,1-4H3,(H,25,27)(H,26,28) |
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Synonyms | Value | Source |
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GW-856553GSK-AHAB | ChEMBL | GW856553X | ChEMBL | GSK-AHAB | MeSH | 6-(5-((cyclopropylamino)Carbonyl)-3-fluoro-2-methylphenyl)-N-(2,2-dimethylprpyl)-3-pyridinecarboxamide | MeSH |
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Chemical Formula | C22H26FN3O2 |
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Average Molecular Weight | 383.467 |
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Monoisotopic Molecular Weight | 383.200905252 |
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IUPAC Name | 6-[5-(cyclopropylcarbamoyl)-3-fluoro-2-methylphenyl]-N-(2,2-dimethylpropyl)pyridine-3-carboxamide |
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Traditional Name | losmapimod |
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CAS Registry Number | Not Available |
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SMILES | CC1=C(C=C(C=C1F)C(=O)NC1CC1)C1=CC=C(C=N1)C(=O)NCC(C)(C)C |
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InChI Identifier | InChI=1S/C22H26FN3O2/c1-13-17(9-15(10-18(13)23)21(28)26-16-6-7-16)19-8-5-14(11-24-19)20(27)25-12-22(2,3)4/h5,8-11,16H,6-7,12H2,1-4H3,(H,25,27)(H,26,28) |
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InChI Key | KKYABQBFGDZVNQ-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as phenylpyridines. These are polycyclic aromatic compounds containing a benzene ring linked to a pyridine ring through a CC or CN bond. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Pyridines and derivatives |
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Sub Class | Phenylpyridines |
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Direct Parent | Phenylpyridines |
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Alternative Parents | |
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Substituents | - 2-phenylpyridine
- 3-halobenzoic acid or derivatives
- Halobenzoic acid or derivatives
- Nicotinamide
- Pyridinecarboxamide
- Pyridine carboxylic acid or derivatives
- Benzamide
- Benzoic acid or derivatives
- Toluamide
- P-toluamide
- Benzoyl
- Toluene
- Halobenzene
- Fluorobenzene
- Aryl halide
- Benzenoid
- Aryl fluoride
- Monocyclic benzene moiety
- Heteroaromatic compound
- Carboxamide group
- Secondary carboxylic acid amide
- Azacycle
- Carboxylic acid derivative
- Organonitrogen compound
- Organic nitrogen compound
- Organooxygen compound
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organic oxygen compound
- Organofluoride
- Organohalogen compound
- Aromatic heteromonocyclic compound
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Molecular Framework | Aromatic heteromonocyclic compounds |
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External Descriptors | Not Available |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | Not Available |
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Physical Properties |
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State | Not Available |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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Losmapimod,1TMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C)C=C1C1=CC=C(C(=O)NCC(C)(C)C)C=N1 | 3166.5 | Semi standard non polar | 33892256 | Losmapimod,1TMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C)C=C1C1=CC=C(C(=O)NCC(C)(C)C)C=N1 | 3192.1 | Standard non polar | 33892256 | Losmapimod,1TMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C)C=C1C1=CC=C(C(=O)NCC(C)(C)C)C=N1 | 3701.5 | Standard polar | 33892256 | Losmapimod,1TMS,isomer #2 | CC1=C(F)C=C(C(=O)NC2CC2)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C)C=N1 | 3158.9 | Semi standard non polar | 33892256 | Losmapimod,1TMS,isomer #2 | CC1=C(F)C=C(C(=O)NC2CC2)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C)C=N1 | 3099.5 | Standard non polar | 33892256 | Losmapimod,1TMS,isomer #2 | CC1=C(F)C=C(C(=O)NC2CC2)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C)C=N1 | 3561.5 | Standard polar | 33892256 | Losmapimod,2TMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C)C=N1 | 3037.6 | Semi standard non polar | 33892256 | Losmapimod,2TMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C)C=N1 | 3168.9 | Standard non polar | 33892256 | Losmapimod,2TMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C)C=N1 | 3429.2 | Standard polar | 33892256 | Losmapimod,1TBDMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C(C)(C)C)C=C1C1=CC=C(C(=O)NCC(C)(C)C)C=N1 | 3422.5 | Semi standard non polar | 33892256 | Losmapimod,1TBDMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C(C)(C)C)C=C1C1=CC=C(C(=O)NCC(C)(C)C)C=N1 | 3394.2 | Standard non polar | 33892256 | Losmapimod,1TBDMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C(C)(C)C)C=C1C1=CC=C(C(=O)NCC(C)(C)C)C=N1 | 3735.8 | Standard polar | 33892256 | Losmapimod,1TBDMS,isomer #2 | CC1=C(F)C=C(C(=O)NC2CC2)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C(C)(C)C)C=N1 | 3409.6 | Semi standard non polar | 33892256 | Losmapimod,1TBDMS,isomer #2 | CC1=C(F)C=C(C(=O)NC2CC2)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C(C)(C)C)C=N1 | 3306.0 | Standard non polar | 33892256 | Losmapimod,1TBDMS,isomer #2 | CC1=C(F)C=C(C(=O)NC2CC2)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C(C)(C)C)C=N1 | 3630.9 | Standard polar | 33892256 | Losmapimod,2TBDMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C(C)(C)C)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C(C)(C)C)C=N1 | 3501.7 | Semi standard non polar | 33892256 | Losmapimod,2TBDMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C(C)(C)C)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C(C)(C)C)C=N1 | 3584.5 | Standard non polar | 33892256 | Losmapimod,2TBDMS,isomer #1 | CC1=C(F)C=C(C(=O)N(C2CC2)[Si](C)(C)C(C)(C)C)C=C1C1=CC=C(C(=O)N(CC(C)(C)C)[Si](C)(C)C(C)(C)C)C=N1 | 3576.3 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - Losmapimod GC-MS (Non-derivatized) - 70eV, Positive | splash10-002f-7097000000-68d103fb466805f14830 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Losmapimod GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 10V, Positive-QTOF | splash10-001i-6019000000-4cf4a70c693798233aa4 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 20V, Positive-QTOF | splash10-000l-9054000000-7c0b9a869c1771e8de43 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 40V, Positive-QTOF | splash10-03di-9170000000-35036dfc63c6b35cca1f | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 10V, Negative-QTOF | splash10-001i-0009000000-d9bf93d5f3d18dea80e6 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 20V, Negative-QTOF | splash10-001i-3339000000-b70912b192b36b9f706f | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 40V, Negative-QTOF | splash10-01rl-9330000000-51513a16ae7f0c370f3b | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 10V, Positive-QTOF | splash10-001i-0009000000-7d7e179b280b62ddf208 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 20V, Positive-QTOF | splash10-001i-2019000000-6737ed83b0812e94591a | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 40V, Positive-QTOF | splash10-01ox-1191000000-9dfd53d50dab0d2f2d2f | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 10V, Negative-QTOF | splash10-001i-0009000000-48c65ae05cb08bc2fd9d | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 20V, Negative-QTOF | splash10-001i-2039000000-1f0a10f8c1e6959a2784 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Losmapimod 40V, Negative-QTOF | splash10-0006-8193000000-cdebde1322690dbd3b34 | 2021-10-12 | Wishart Lab | View Spectrum |
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