p110δ Selective Inhibitors

Catalog No. Product Name Information Selective / Pan IC50 / Ki
S2226 CAL-101 (Idelalisib, GS-1101)

CAL-101 (Idelalisib, GS-1101) is a selective p110δ inhibitor with IC50 of 2.5 nM; shown to have 40- to 300-fold greater selectivity for p110δ thanp110α/β/γ, and 400- to 4000-fold more selectivity to p110δ than C2β, hVPS34, DNA-PK and mTOR.

Selective p110δ, IC50: 2.5 nM
S2227 PIK-294

PIK-294 is a highly selective p110δ inhibitor with IC50 of 10 nM, 1000-, 49- and 16-fold less potent to PI3Kα/β/γ, respectively.

Selective p110δ, IC50: 10 nM
S7623 PI-3065

PI-3065 is a selective p110δ inhibitor with IC50 of 15 nM, >70-fold selectivity over other PI3K family members.

Selective p110δ, IC50: 15 nM
S2207 PIK-293

PIK-293 is a PI3K inhibitor, mostly for PI3Kδ with IC50 of 0.24 μM, 500-, 100- and 50-fold less potent to PI3Kα/β/γ, respectively.

Selective p110δ, IC50: 0.24 μM
S1268 IC-87114

IC-87114 is a selective PI3Kδ inhibitor with IC50 of 0.5 μM, 58-fold more selective for PI3Kδ than PI3Kγ, and over 100-fold more selective than PI3Kα/β.

Selective PI3Kδ, IC50: 0.5 μM
S7028 Duvelisib (IPI-145, INK1197)

Duvelisib (IPI-145, INK1197) is a novel and selective PI3K δ/γ inhibitor with Ki and IC50 of 23 pM/243 pM and 1 nM/50 nM, highly selective for PI3K δ/γ than other protein kinases. Phase 3.

Pan PI3Kδ, Ki: 23 pM; PI3Kδ, IC50: 1 nM
S2658 Omipalisib (GSK2126458, GSK458)

Omipalisib (GSK2126458, GSK458) is a highly selective and potent inhibitor of p110α/β/δ/γ, mTORC1/2 with Ki of 0.019 nM/0.13 nM/0.024 nM/0.06 nM and 0.18 nM/0.3 nM, respectively. Phase 1.

Pan p110δ, Ki: 0.024 nM
S2743 PF-04691502

PF-04691502 is an ATP-competitive PI3K(α/β/δ/γ)/mTOR dual inhibitor with Ki of 1.8 nM/2.1 nM/1.6 nM/1.9 nM and 16 nM, little activity against either Vps34, AKT, PDK1, p70S6K, MEK, ERK, p38, or JNK. Phase 2.

Pan PI3Kδ, Ki: 1.6 nM
S1360 GSK1059615

GSK1059615 is a dual inhibitor of PI3Kα/β/δ/γ (reversible) and mTOR with IC50 of 0.4 nM/0.6 nM/2 nM/5 nM and 12 nM, respectively. Phase 1.

Pan PI3Kδ, IC50: 2 nM
S7016 VS-5584 (SB2343)

VS-5584 (SB2343) is a potent and selective dual PI3K/mTOR inhibitor for mTOR, PI3Kα/β/δ/γ with IC50 of 3.4 nM and 2.6-21 nM, respectively. Phase 1.

Pan PI3Kδ, IC50: 2.7 nM
S1065 Pictilisib (GDC-0941)

Pictilisib (GDC-0941) is a potent inhibitor of PI3Kα/δ with IC50 of 3 nM, with modest selectivity against p110β (11-fold) and p110γ (25-fold). Phase 2.

Pan p110δ, IC50: 3 nM
S1038 PI-103

PI-103 is a multi-targeted PI3K inhibitor for p110α/β/δ/γ with IC50 of 2 nM/3 nM/3 nM/15 nM, less potent to mTOR/DNA-PK with IC50 of 30 nM/23 nM.

Pan p110δ, IC50: 3 nM
S1072 ZSTK474

ZSTK474 inhibits class I PI3K isoforms with IC50 of 37 nM, mostly PI3Kδ. Phase1/2.

Pan PI3Kδ, IC50: 4.6 nM
S2696 Apitolisib (GDC-0980, RG7422)

Apitolisib (GDC-0980, RG7422) is a potent, class I PI3K inhibitor for PI3Kα/β/δ/γ with IC50 of 5 nM/27 nM/7 nM/14 nM, respectively. Also a mTOR inhibitor with Ki of 17 nM, and highly selective versus other PIKK family kinases. Phase 2.

Pan p110δ, IC50: 7 nM
S1009 BEZ235 (NVP-BEZ235, Dactolisib)

BEZ235 (NVP-BEZ235) is a dual ATP-competitive PI3K and mTOR inhibitor for p110α/γ/δ/β and mTOR(p70S6K) with IC50 of 4 nM /5 nM /7 nM /75 nM /6 nM, respectively. Inhibits ATR with IC50 of 21 nM, whileshown to be a poor inhibitor to Akt and PDK1. Phase 2.

Pan p110δ, IC50: 7 nM
S2739 PKI-402

PKI-402 is a potent dual pan-PI3K/mTOR inhibitor targeting PI3Kα/β/γ/δ and mTOR with IC50 of 2 nM/7 nM/16 nM/14 nM and 3 nM, respectively; also potent to PI3Kα mutants E545K and H1047R.

Pan PI3Kδ, IC50: 14 nM
S2870 TG100713

TG100713 is a pan-PI3K inhibitor against PI3Kγ, PI3Kδ, PI3Kα and PI3Kβ with IC50 of 50 nM, 24 nM, 165 nM and 215 nM, respectively.

Pan PI3Kδ, IC50: 24 nM
S1118 XL147

XL147 is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ with IC50 of 39 nM/36 nM/23 nM, less potent to PI3Kβ. Phase 1/2.

Pan PI3Kδ, IC50: 36 nM
S2759 CUDC-907

CUDC-907 is a dual PI3K and HDAC inhibitor for PI3Kα and HDAC1/2/3/10 with IC50 of 19 nM and 1.7 nM/5 nM/1.8 nM/2.8 nM, respectively. Phase 1.

Pan PI3Kδ, IC50: 39 nM
S1523 SAR245409 (XL765)

SAR245409 (XL765) is a dual inhibitor of mTOR/PI3K, mostly for p110γ with IC50 of 9 nM; also inhibits DNA-PK and mTOR. Phase 1/2.

Pan PI3Kδ, IC50: 43 nM
S1187 PIK-90

PIK-90 is a PI3Kα/γ/δ inhibitor with IC50 of 11 nM/18 nM/58 nM, respectively, less potent to PI3Kβ.

Pan PI3Kδ, IC50: 58 nM
S1462 AZD6482

AZD6482 is a PI3Kβ inhibitor with IC50 of 10 nM, 8-, 87- and 109-fold more selective to PI3Kβ than PI3Kδ, PI3Kα and PI3Kγ. Phase 1.

Pan PI3Kδ, IC50: 80 nM
S1169 TGX-221

TGX-221 is a p110β-specific inhibitor with IC50 of 5 nM, 1000-fold more selective for p110β than p110α.

Pan p110δ, IC50: 0.1 μM
S2247 BKM120 (NVP-BKM120, Buparlisib)

BKM120 is a selective PI3K inhibitor of p110α/β/δ/γ with IC50 of 52 nM/166 nM/116 nM/262 nM, respectively. Reduced potency against VPS34, mTOR, DNAPK, with little activity to PI4Kβ. Phase 2.

Pan p110δ, IC50: 116 nM
S1489 PIK-93

PIK-93 is the first potent, synthetic PI4K (PI4KIIIβ) inhibitor with IC50 of 19 nM; shown to inhibit PI3Kα with IC50 of 39 nM.

Pan p110δ, IC50: 120 nM
S1352 TG100-115

TG100-115 is a PI3Kγ/δ inhibitor with IC50 of 83 nM/235 nM, with little effect on PI3Kα/β. Phase 1/2.

Pan PI3Kδ, IC50: 235 nM
S1410 AS-605240

AS-605240 selectively inhibits PI3Kγ with IC50 of 8 nM, over 30-fold and 7.5-fold more selective for PI3Kγ than PI3Kδ/β and PI3Kα, respectively.

Pan PI3Kδ, IC50: 300 nM
S2699 CH5132799

CH5132799 inhibits class I PI3Ks, particularly PI3Kα with IC50 of 14 nM; less potent to PI3Kβδγ, while sensitive in PIK3CA mutations cell lines. Phase 1.

Pan PI3Kδ, IC50: 0.50 μM
S1205 PIK-75

PIK-75 is a p110α inhibitor with IC50 of 5.8 nM (200-fold more potently than p110β), isoform-specific mutants at Ser773, and also potently inhibits DNA-PK with IC50 of 2 nM.

Pan p110δ, IC50: 0.51 μM
S1105 LY294002

LY294002 is the first synthetic molecule known to inhibit PI3Kα/δ/β with IC50 of 0.5 μM/0.57 μM/0.97 μM, respectively; more stable in solution than Wortmannin, and also blocks autophagosome formation.

Pan p110δ, IC50: 0.57 μM
S2391 Quercetin

Quercetin, a natural flavonoid present in vegetables, fruit and wine, is a stimulator of recombinant SIRT1 and also a PI3K inhibitor with IC50 of 2.4-5.4 μM. Phase 4.

Pan PI3Kδ, IC50: 3.0 μM
S7018 CZC24832

CZC24832 is the first selective PI3Kγ inhibitor with IC50 of 27 nM, with 10-fold selectivity over PI3Kβ and >100-fold selectivity over PI3Kα and PI3Kδ.

Pan PI3Kδ, IC50: 8.2 μM