Date published: 2025-10-10

1-800-457-3801

SCBT Portrait Logo
Seach Input

PDE4A Inhibitors

PDE4A inhibitors constitute a diverse group of chemicals that modulate the activity of phosphodiesterase 4A, an enzyme critical in the metabolism of cyclic AMP (cAMP). These inhibitors work by either directly inhibiting the PDE4A enzyme or affecting pathways that influence its activity. PDE4A plays a pivotal role in controlling intracellular levels of cAMP, a second messenger involved in numerous cellular processes. Among the direct inhibitors, compounds like Rolipram, Roflumilast, Apremilast, and Cilomilast specifically target PDE4A, leading to increased levels of cAMP within cells. By preventing the hydrolysis of cAMP, these inhibitors facilitate the amplification of cellular responses mediated by cAMP-dependent signaling pathways. Piclamilast and Crisaborole are other direct inhibitors, similarly elevating cAMP levels by inhibiting PDE4A. These inhibitors showcase the specific blockade of PDE4A activity, which results in enhanced cAMP signaling. Additionally, non-selective PDE inhibitors such as IBMX, Theophylline, and Caffeine, while not exclusively targeting PDE4A, also contribute to the elevation of intracellular cAMP levels by inhibiting a range of PDEs, including PDE4A. Milrinone and Enprofylline, although primarily targeting other PDEs, exhibit some inhibitory effects on PDE4A. Zardaverine, known for its bronchodilatory effects, also falls into this category.

Items 1 to 10 of 12 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ibudilast

50847-11-5sc-203080
10 mg
$214.00
1
(1)

Ibudilast functions as a selective phosphodiesterase 4A (PDE4A) inhibitor, characterized by its ability to stabilize the enzyme's conformation through specific electrostatic interactions and hydrophobic regions. This binding alters the enzyme's kinetics, effectively reducing the hydrolysis of cyclic AMP and cyclic GMP. Its unique structural features promote distinct allosteric modulation, influencing downstream signaling cascades and cellular responses, thereby enhancing the complexity of intracellular communication.

Rolipram

61413-54-5sc-3563
sc-3563A
5 mg
50 mg
$75.00
$212.00
18
(1)

A selective PDE4 inhibitor, directly inhibits PDE4A, reducing cAMP hydrolysis.

Sericic acid

55306-03-1sc-396534
sc-396534A
5 mg
25 mg
$122.00
$490.00
(0)

Sericic acid exhibits unique properties as a phosphodiesterase 4A (PDE4A) inhibitor, primarily through its capacity to form hydrogen bonds and engage in π-π stacking interactions with the enzyme's active site. This interaction leads to a conformational shift that modulates the enzyme's catalytic efficiency, impacting the degradation rates of cyclic nucleotides. Its distinct molecular architecture facilitates selective binding, influencing various signaling pathways and cellular dynamics.

Roflumilast

162401-32-3sc-208313
5 mg
$59.00
21
(1)

Another selective PDE4 inhibitor, directly targets PDE4A, increasing intracellular cAMP levels.

Apremilast

608141-41-9sc-480062
5 mg
$444.00
(0)

A PDE4 inhibitor, directly acts on PDE4A, leading to elevated cAMP levels.

2-Chloromethyl-4-(3-methoxypropoxy)-3-methylpyridine Hydrochloride

153259-31-5sc-209157
100 mg
$320.00
(0)

Specifically inhibits PDE4, including PDE4A, altering cAMP metabolism.

Piclamilast

144035-83-6sc-478653
5 mg
$300.00
(0)

Directly inhibits PDE4A, influencing cAMP-dependent signaling pathways.

IBMX

28822-58-4sc-201188
sc-201188B
sc-201188A
200 mg
500 mg
1 g
$159.00
$315.00
$598.00
34
(1)

A non-selective PDE inhibitor, also affecting PDE4A among other PDEs, increasing cAMP levels.

Theophylline

58-55-9sc-202835
sc-202835A
sc-202835B
5 g
25 g
100 g
$20.00
$31.00
$83.00
6
(0)

A non-selective PDE inhibitor with activity against PDE4A, increasing cAMP levels.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
5 g
100 g
250 g
1 kg
5 kg
$32.00
$66.00
$95.00
$188.00
$760.00
13
(1)

Mildly inhibits various PDEs including PDE4A, influencing intracellular cAMP levels.