The latest release of the IUPHAR/BPS Guide to Pharmacology database was made on 29th November 2023. This database release is version 2023.3, and is the third release this year. The following blog post gives details of the key content updates and website changes. GtoPdb now contains:
- 3,056 human targets, 1,715 of which have curated quantitative ligand interactions.
- 12,344 ligands, 9,072 of which have curated quantitative target interactions.
- 1,956 approved drugs, 1,117 with curated quantitative interactions.
- Clinical use summaries for over 3,596 ligands of which 1,947 are approved drugs.
- A total of 20,338 curated binding constants
- Data curated from just over 44,000 references
NAR Publication and Database Report
In October 2023 our latest NAR Database Issue update was published:
Harding SD, Armstrong JF, Faccenda E, Southan C, Alexander SPH, Davenport AP, Spedding M, Davies JA. (2023) The IUPHAR/BPS Guide to PHARMACOLOGY in 2024. Nucl. Acids Res. 2023 Oct 28:gkad944. Online ahead of print. doi: 10.1093/nar/gkad944. [Full text]. PMID: 37897341.
In this update we report on recent developments to the resource and describe expansion in content over the six database releases made during the last two years. The database update section of this paper focuses on two areas relating to important global health challenges. The first, SARS-CoV-2 COVID-19, remains a major concern and we describe our efforts to expand the database to include a new family of coronavirus proteins. The second area is antimicrobial resistance, for which we have extended our coverage of antibacterials in partnership with AntibioticDB, a collaboration that has continued through support from GARDP.
In November, our latest Database Report became available, covering in more detail the work we have undertaken in terms of curation and development, alongside usage statistics in the last six months GtoPdb_Database_Report_Nov_2023.pdf. Our report is accessible via our Zenodo repository: https://doi.org/10.5281/zenodo.10078018
Curation Update
Targets
New targets since Release Version 2023.2: We have curated a range of new targets and we highlight novel ligands that modulate their functions, and any therapeutic potential associated with pharmacological target manipulation.
| TID | Family | Gene | Name | Comment |
| 3248 | Lipid transfer/lipopolysaccharide binding proteins | CETP | cholesteryl ester transfer protein | A range of inhibitors with interaction data (e.g. anacetrapib, evacetrapib, dalcetrapib, obicetrapib): clinical potential for atherosclerotic cardiovascular disease & other dyslipidemias |
| 3249 | Carnitine palmitoyltransferases | CPT1A | carnitine palmitoyltransferase 1A | 2 inhibitors with interaction data (teglicar, etomoxir); oncology potential |
| 3250 | Carnitine palmitoyltransferases | CPT1B | carnitine palmitoyltransferase 1B | 1 inhibitor interaction (teglicar);; oncology potential |
| 3251 | Carnitine palmitoyltransferases | CPT1C | carnitine palmitoyltransferase 1C | No ligands identified |
| 3252 | Carnitine palmitoyltransferases | CPT2 | carnitine palmitoyltransferase 2 | 2 inhibitors with interaction data (teglicar, compound 16 [PMID: 17585909]); oncology potential |
| 3253 | Hydrolases & Lipases | PNPLA2 | patatin like phospholipase domain containing 2 | Potential of lipase inhibitors to contribute to antiviral effects for RNA viruses, plus one inhibitor with interaction data for atglistatin. Also curated new inhibitors for other lipases (LIPE compound 41 [PMID: 15026062], MAGL & FAAH CAY10499. |
| 3254 | E3 ubiquitin ligase components | ZBTB25 | zinc finger and BTB domain containing 25 | CoV Mpro ubiquitination and degradation (= ?antiviral activity) |
| 3255 | Protein tyrosine phosphatases non-receptor type (PTPN) | PTPN2 | protein tyrosine phosphatase, non-receptor type 2 | dual PTPN1/2 inhib compound 182 [PMID: 37500611], oncology |
| 3256 | Diacylglycerol kinases | DGKA | diacylglycerol kinase alpha | dual inhibitor BMS-502 promotes immune stimulation (T cells); potential upregulation of anti-tumour immune response |
| 3257 | Diacylglycerol kinases | DGKZ | diacylglycerol kinase zeta | dual inhibitor BMS-502 promotes immune stimulation (T cells); potential upregulation of anti-tumour immune response |
| 3258 | Hydrolases & Lipases | NEU2 | neuraminidase 2 | regulation of cellular glycans repertoire. 2 novel inhibitors/experimental tools: compound 22 [PMID: 30457869] & compound 13c [PMID: 30457869] |
| 3259 | 3.6.4.12 RecQ helicases family | WRN | WRN RecQ like helicase | Novel inhibitors curated with quantitative interaction data, including one (HRO761) in clinical development for oncology potential |
| 3260 | 3.6.4.12 RecQ helicases family | BLM | BLM RecQ like helicase | Novel inhibitors curated with quantitative interaction data, including one allosteric inhibitor (compound 2 [PMID: 33647232]) |
| 3261 | Coronavirus (CoV) proteins | ORF1ab | CoV nsp13 (helicase) | Novel inhibitors curated; antiviral potential- more details below |
| 3262 | E3 ubiquitin ligase components | KLHDC2 | kelch domain containing 2 | A substrate-recognition component of an E3 ligase complex that’s involved in the C-end degron protein homeostasis pathway; a tractable target for PROTAC design and development. A KLHDC2-based kinase degrading PROTAC (KYH1872) has been curated, which demonstrates the utility of exploiting KLHDC2 for targeted protein degradation in drug design. |
Ligands
Since our last update in August 2023, the FDA have approved 20 new drugs (58 in total so far for 2023, so ahead of the 52 for all of 2022). Only 3 of these did not meet the criteria to be included in GtoPdb
| 20 newly approved drugs, 17 added to the GtoPdb | ||||||
| Ligand ID | INN | Trade name | Type | FDA Approval date | Indication | Other Approval date |
| 12240 | talquetamab-tgvs | Talvey | monoclonal antibody | 09/08/2023 | To treat adults with relapsed or refractory multiple myeloma who have received at least four prior therapies | n/a |
| 12889 | elranatamab-bcmm | Elrexfio | monoclonal antibody | 14/08/2023 | To treat adults with relapsed or refractory multiple myeloma who have received at least four prior lines of therapy | n/a |
| 8276 | palovarotene | Sohonos | small molecule | 16/08/2023 | To reduce the volume of new heterotopic ossification in adults and pediatric patients (aged 8 years and older for females and 10 years and older for males) with fibrodysplasia ossificans progressiva | n/a |
| 12900 | pozelimab-bbfg | Veopoz | monoclonal antibody | 18/08/2023 | To treat patients 1 year old and older with CD55-deficient protein-losing enteropathy (PLE), also known as CHAPLE disease | n/a |
| 10679 | motixafortide | Aphexda | peptide | 08/09/2023 | To use with filgrastim (G-CSF) to mobilize hematopoietic stem cells to the peripheral blood for collection and subsequent autologous transplantation in patients with multiple myeloma | n/a |
| 7791 | momelotinib | Ojjaara | small molecule | 15/09/2023 | To treat intermediate or high-risk myelofibrosis in adults with anemia | n/a |
| 12930 | gepirone | Exxua | small molecule | 22/09/2023 | To treat major depressive disorder | n/a |
| n/a | cipaglucosidase alfa-atga | Pombiliti | peptide | 28/09/2023 | To treat late-onset Pompe disease | 20/03/2023 |
| n/a | nedosiran | Rivfloza | nucleotide | 29/09/2023 | To lower urinary oxalate levels in patients 9 years and older with primary hyperoxaluria type 1 and relatively preserved kidney function | n/a |
| 9331 | etrasimod | Velsipity | small molecule | 12/10/2023 | To treat moderately to severely active ulcerative colitis in adults | n/a |
| 10404 | zilucoplan | Zilbrysq | peptide | 17/10/2023 | To treat generalized myasthenia gravis in adults who are anti-acetylcholine receptor (AChR) antibody positive | n/a |
| 9247 | vamorolone | Agamree | small molecule | 26/10/2023 | To treat Duchenne muscular dystrophy | n/a |
| 9846 | mirikizumab-mrkz | Omvoh | monoclonal antibody | 26/10/2023 | To treat ulcerative colitis | 26/05/2023 |
| 12989 | toripalimab-tpzi | Loqtorzi | monoclonal antibody | 30/10/2023 | To treat advanced nasopharyngeal carcinoma | n/a |
| 9428 | fruquintinib | Fruzaqla | small molecule | 09/11/2023 | To treat metastatic colorectal cancer. | n/a |
| n/a | ADAMTS13, recombinant-krhn | Adzynma | peptide | 09/11/2023 | To treat congenital thrombotic thrombocytopenic purpura | n/a |
| 10316 | repotrectinib | Augtyro | small molecule | 15/11/2023 | To treat locally advanced or metastatic ROS1-positive non-small cell lung cancer | n/a |
| 13030; 4214 | taurolidine, heparin | Defencath | mixture | 15/11/2023 | To reduce the incidence of catheter-related bloodstream infections in adults with kidney failure receiving chronic hemodialysis through a central venous catheter | n/a |
| 7709 | capivasertib | Truqap | small molecule | 16/11/2023 | To treat HR+ve, HER2-ve adv breast cancer with AKT pathway activating mutations | n/a |
| 7746 | nirogacestat | Ogsiveo | small molecule | 27/11/2023 | To treat progressing desmoid tumours | n/a |
SARS-CoV-2 & COVID-19
We have been keeping up to date with the progress of SARS-CoV-2 antiviral development by the COVID Moonshot open science project. In collaboration with the non-profit Drugs for Neglected Diseases initiative a clinical lead, DNDi-6510, has been selected, although its chemical structure has not yet been disclosed. We have however included a selection of Moonshot-discovered Mpro inhibitors as examples of their endeavours, and more details are available in the 2023 publication PMID: 37943932
The Moonshot Mpro inhibitors in GtoPdb are:
On the theme of SARS-CoV-2 antiviral development, we have included some new ligands that are reported as inhibitors of the CoV helicase (nsp13). Since the helicase is a crucial component of the CoV replication machinery, its inhibition is predicted to offer antiviral potential. Nsp13 is also reported to reduce the host interferon response, so limiting this effect would also likely contribute to COVID-19 therapeutic efficacy. To enhance nsp13’s inclusion we generated a new target entry (nsp13), to permit curation of quantitative ligand-target interaction data in the format used throughout other sections of the GtoPdb.
Nsp13 modulators curated are:
compound 4b [Ramsey et al., 2023]
Antibacterial Curation
Our collaboration with Antibiotic DB (ADB; www.antibioticdb.com) continues to allow us to extend the coverage of ligands with annotated antibacterial activity in GtoPdb and provide comprehensive chemistry and pharmacology for select antibacterials curated within ADB, via reciprocal links. This project is supported by the Global Antibiotic Research and Development Partnership (GARDP; https://gardp.org/).
Currently we have 507 ligands tagged in GtoPdb as ‘antibacterial’ and 488 of these have links to compounds at ADB. Since our last release we have added 35 new antibacterial ligands including:
- 19 drugs that are approved, or have been approved in the past, for clinical use in human
- 2 drugs that are approved for use in veterinary practice
- 2 that are WHO EML listed medicines
- 11 compounds that are in clinical development

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