PDE Inhibitors

Cat.No. Product Name Information Product Use Citations Product Validations
S1895 Dipyridamole Dipyridamole is a phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells.
Nature, 2025, 10.1038/s41586-025-09755-9
Theranostics, 2024, 14(18):6947-6968
J Immunother Cancer, 2024, 12(11)e009805
S1512 Tadalafil Tadalafil is a PDE-5 inhibitor with IC50 of 1.8 nM in a cell-free assay. This compound is at least 9000 times more selective for PDE5 than most of the other families of PDEs, with the exception of PDE11. It can partial inhibits PDE11
J Immunother Cancer, 2024, 12(11)e009805
Cell Mol Life Sci, 2024, 81(1):434
J Clin Invest, 2021, 131(1)136779
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S7858 Dibutyryl cAMP (db cAMP/Bucladesine) sodium Bucladesine sodium is a cell-permeable PKA activator by mimicing the action of endogenous cAMP. Dibutyryl-cAMP (Bucladesine) is also a phosphodiesterase (PDE) inhibitor.
Cell, 2025, S0092-8674(25)00735-4
Nat Neurosci, 2025, 28(6):1174-1184
Nat Commun, 2025, 16(1):6151
S2131 Roflumilast Roflumilast is a selective inhibitor of PDE4 with IC50 of 0.2-4.3 nM in a cell-free assay.
Redox Biol, 2025, 81:103563
Invest Ophthalmol Vis Sci, 2024, 65(12):38
Respir Investig, 2024, 62(3):455-461
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S1431 Sildenafil Citrate Sildenafil Citrate, a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5), is a well-tolerated and highly effective treatment for erectile dysfunction.
Br J Pharmacol, 2025, 10.1111/bph.70166
Drug Des Devel Ther, 2025, 19:6487-6504
J Pharm Pharmacol, 2023, rgad045
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S4684 Sildenafil Sildenafil (Revatio, UK-92480, Viagra) is a Phosphodiesterase 5 Inhibitor with IC50 of 5.22 nM.
Adv Sci (Weinh), 2024, 11(40):e2407712
J Immunother Cancer, 2024, 12(11)e009805
Brain, 2023, 146(6):2453-2463
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S1430 Rolipram The PDE4 selective inhibitor, Rolipram, inhibited immunopurified PDE4B and PDE4D activities similarly, with IC50 values of approx. 130 nM and 240 nM respectively; an anti-inflammatory agent.
Elife, 2022, 11e73511
ProQuest, 2022, 30509631
Acta Pharmacol Sin, 2021, 10.1038/s41401-021-00768-4
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S2515 Vardenafil HCl Trihydrate Vardenafil HCl Trihydrate (BAY38-9456) is a new type PDE inhibitor with IC50 of 0.7 and 180 nM for PDE5 and PDE1, respectively.
Cells, 2021, 3502
Anticancer Research, 2021, 6179-6190
Gastroenterology, 2020, 159(3):1068-1084.e2
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S5836 IBMX (3-Isobutyl-1-methylxanthine) IBMX (Isobutylmethylxanthine, 1-Methyl-3-Isobutylxanthine) is a nonspecific inhibitor of phosphodiesterase (PDE) with IC50 values of 6.5±1.2, 26.3±3.9 and 31.7±5.3 μM for PDE3, 4 and 5 respectively. It may enhance the intracellular cAMP levels and also acts as an adenosine (A1) receptor antagonist.
J Biomed Sci, 2025, 32(1):31
J Hematol Oncol, 2023, 16(1):30
ACS Cent Sci, 2023, 9(4):719-732
S1455 Cilomilast Cilomomilast (SB-207499) is a potent PDE4 inhibitor with IC50 of about 110 nM, has anti-inflammatory activity and low central nervous system activity. Phase 3.
Biochim Biophys Acta Mol Basis Dis, 2025, 1871(1):167526
Am J Physiol Renal Physiol, 2020, 318(3):F576-F588
American Journal of Physiology-Renal Physiology, 2020, F576-F588
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Signaling Pathway Map