p110δ Selective Inhibitors

Catalog No. Product Name Information Selective / Pan IC50 / Ki
S7938 GSK2292767

GSK2292767 is a potent and selective PI3Kδ inhibitor.

Selective
S7937 Nemiralisib (GSK2269557)

Nemiralisib, also known as GSK-2269557, is a potent and selective PI3Kδ inhibitor(pKi = 9.9).

Selective PI3Kδ, pKi: 9.9
S8917 ME-401

ME-401 (PWT-143, P110δ-IN-1) is an oral, potent and selective inhibitor of Phosphatidylinositol 3-Kinase (PI3K) P110δ with IC50 of 0.6 nM in cellular assay.

Selective P110δ, IC50: 0.6 nM; P110δ, IC50: 0.6 nM; P110δ, IC50: 0.6 nM; P110δ, IC50: 0.6 nM; P110δ, IC50: 0.6 nM; P110δ, IC50: 0.6 nM; P110δ, IC50: 0.6 nM; P110δ, IC50: 0.6 nM
S8693 Selective PI3Kδ Inhibitor 1 (compound 7n)

Selective PI3Kδ Inhibitor 1 (compound 7n) is an inhibitor of PI3Kδ with an IC50 of 0.9 nM and >1000-fold selectivity against other class I PI3K isoforms [PI3K α/γ/β=3670/1460/21300 nM].

Selective PI3Kδ, IC50: 0.9 nM
S7335 IPI-3063

IPI-3063 is a potent and selective p110δ inhibitor with biochemical IC50 of 2.5 ± 1.2 nM and IC50 values for the other class I PI3K isoforms (p110α, p110β, p110γ) are at least 400-fold higher.

Selective p110δ, IC50: 2.5 nM
S2226 Idelalisib (CAL-101, GS-1101)

Idelalisib (CAL-101, GS-1101) is a selective p110δ inhibitor with IC50 of 2.5 nM in cell-free assays; shown to have 40- to 300-fold greater selectivity for p110δ than p110α/β/γ, and 400- to 4000-fold more selectivity to p110δ than C2β, hVPS34, DNA-PK and mTOR. Idelalisib also stimulates autophagy.

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
S8752 leniolisib (CDZ 173)

Leniolisib (CDZ 173) is a potent PI3Kδ selective inhibitor with biochemical IC50 values of 0.244, 0.424, 2.23 and 0.011 μM for PI3Kα, PI3Kβ, PI3Kγ and PI3Kδ, respectively.

Selective PI3Kδ, IC50: 0.011 μM
S8560 Seletalisib (UCB-5857)

Seletalisib (UCB-5857) is a novel small-molecule inhibitor of PI3Kδ with an IC50 value of 12 nM and shows significant selectivity to PI3Kδ with respect to the other class I PI3K isoforms (between 24- and 303-fold).

Selective PI3Kδ, IC50: 12 nM
S5818 acalisib (GS-9820)

Acalisib (GS-9820, CAL-120) is a highly selective and potent p110δ inhibitor (IC50 = 14 nM) with 114- to 400-fold selectivity over the other class I PI3K enzymes and no activity against Class II and III PI3K family members or other PI3K-related proteins including mTOR and DNA-PK.

Selective p110δ, IC50: 14 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
S7813 AMG319

AMG319 is a potent and selective PI3Kδ inhibitor with IC50 of 18 nM, >47-fold selectivity over other PI3Ks. Phase 2.

Selective PI3Kδ, IC50: 18 nM
S8194 umbralisib (TGR-1202)

Umbralisib (TGR-1202, Rp-5264), a novel, next generation PI3Kδ inhibitor, inhibits PI3Kδ activity in enzyme and cell based assays with IC50 and EC50 values of 22.2 & 24.3 nM, respectively.

Selective PI3Kδ, IC50: 22.2 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 in a cell-free assay, 58-fold more selective for PI3Kδ than PI3Kγ, and over 100-fold more selective than PI3Kα/β.

Selective PI3Kδ, IC50: 0.5 μM
S2658 Omipalisib (GSK2126458)

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 in cell-free assays, respectively. Omipalisib induces autophagy. Phase 1.

Pan p110δ, Ki: 0.024 nM
S8045 KU-0060648

KU-0060648 is a dual inhibitor of DNA-PK and PI3Kα, PI3Kβ, PI3Kδ with IC50 of 8.6 nM and 4 nM, 0.5 nM, 0.1 nM respectively, less inhibition of PI3Kγ with IC50 of 0.59 μM.

Pan PI3Kδ, IC50: 0.1 nM
S7103 Taselisib (GDC 0032)

Taselisib (GDC 0032, RG7604) is a potent, next-generation β isoform-sparing PI3K inhibitor targeting PI3Kα/δ/γ with Ki of 0.29 nM/0.12 nM/0.97nM, >10 fold selective over PI3Kβ.

Pan PI3Kδ, Ki: 0.12 nM
S2802 Copanlisib (BAY 80-6946)

Copanlisib (BAY 80-6946) is a potent pan-class I PI3K with IC50 of 0.5, 3.7, 6.4, and 0.7 nM in cell-free assays for PI3Kα/β/γ/δ , respectively. Phase 3.

Pan PI3Kδ, IC50: 0.7 nM
S7675 PF-4989216

PF-4989216 is a potent and selective PI3K inhibitor with IC50 of 2 nM, 142 nM, 65 nM, 1 nM, and 110 nM for p110α, p110β, p110γ, p110δ, and VPS34, respectively.

Pan p110δ, IC50: 1 nM
S7028 Duvelisib (IPI-145)

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 in cell-free assays, highly selective for PI3K δ/γ than other protein kinases. Phase 3.

Pan PI3Kδ, Ki: 23 pM
S2743 PF-04691502

PF-04691502 (PF4691502) 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 in cell-free assays, little activity against either Vps34, AKT, PDK1, p70S6K, MEK, ERK, p38, or JNK. PF-04691502 induces apoptosis. 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, RG7321) is a potent inhibitor of PI3Kα/δ with IC50 of 3 nM in cell-free assays, with modest selectivity against p110β (11-fold) and p110γ (25-fold). Pictilisib (GDC-0941) induces autophagy and apoptosis. Phase 2.

Pan p110δ, IC50: 3 nM
S8163 Paxalisib (GDC-0084)

Paxalisib (GDC-0084, RG7666) is a brain penetrant inhibitor of PI3K and mTOR with Kiapp values of 2 nM, 46 nM, 3 nM, 10 nM and 70 nM for PI3Kα, PI3Kβ, PI3Kδ, PI3Kγ and mTOR.

Pan PI3Kδ, Ki app: 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 in cell-free assays, less potent to mTOR/DNA-PK with IC50 of 30 nM/23 nM. PI-103 induces apoptosis in murine T-cell Lymphoma.

Pan p110δ, IC50: 3 nM
S8157 GDC-0326

GDC-0326 is a potent and selective inhibitor of PI3Kα with Ki value of 0.2 nM; remarkably selective over the other class I isoforms in enzymatic assays.

Pan PI3Kδ, Ki: 4 nM
S1072 ZSTK474

ZSTK474 inhibits class I PI3K isoforms with IC50 of 37 nM in a cell-free assay, mostly PI3Kδ. Phase1/2.

Pan PI3Kδ, IC50: 4.6 nM
S7966 AZD8835

AZD8835 ia a novel mixed inhibitor of PI3Kα and PI3Kδ with IC50 of 6.2 nM and 5.7 nM, respectively, also with selectivity against PI3Kβ (IC50=431 nM) and PI3Kγ (IC50=90 nM).

Pan PI3Kδ, IC50: 5.7 nM
S1009 Dactolisib (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 in cell-free assays, respectively. Inhibits ATR with IC50 of 21 nM in 3T3TopBP1-ER cell. Dactolisib induces autophagy and suppresses HIV-1 replication. Phase 2.

Pan p110δ, IC50: 7 nM
S2696 Apitolisib (GDC-0980)

Apitolisib (GDC-0980, RG7422, GNE 390) is a potent, class I PI3K inhibitor for PI3Kα/β/δ/γ with IC50 of 5 nM/27 nM/7 nM/14 nM in cell-free assays, respectively. Also a mTOR inhibitor with Ki of 17 nM in a cell-free assay, and highly selective versus other PIKK family kinases. Apitolisib activates autophagy and apoptosis simultaneously in pancreatic cancer cells. Phase 2.

Pan p110δ, IC50: 7 nM
S7694 AZD8186

AZD8186 is a potent and selective inhibitor of PI3Kβ and PI3Kδ with IC50 of 4 nM and 12 nM, respectively. Phase 1.

Pan PI3Kδ, IC50: 12 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
S8672 Tenalisib (RP6530)

Tenalisib (RP6530) is a potent and selective dual PI3Kδ/γ inhibitor with IC50 values of 24.5 nM and 33.2 nM for PI3Kδ and PI3Kγ, respectively. Its selectivity over α and β isoforms are more than 300-fold and 100-fold, respectively.

Pan PI3Kδ, IC50: 24.5 nM
S8738 Bimiralisib (PQR309)

Bimiralisib (PQR309) is a novel brain-penetrant dual PI3K/mTOR inhibitor with in vitro and in vivo antilymphoma activity. It displays excellent selectivity versus PI3K-related lipid kinases, protein kinases and unrelated targets.

Pan PI3Kδ, Kd: 25 nM
S1118 XL147 analogue

XL147 analogue (SAR245408) is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ with IC50 of 39 nM/36 nM/23 nM in cell-free assays, less potent to PI3Kβ. XL147 analogue induces apoptosis. Phase 1/2.

Pan PI3Kδ, IC50: 36 nM
S7645 Pilaralisib (XL147)

Pilaralisib (XL147) is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ with IC50 of 39 nM/36 nM/23 nM in cell-free assays, less potent to PI3Kβ. Phase 1/2.

Pan PI3Kδ, IC50: 36 nM
S2759 Fimepinostat (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. CUDC-907 induces cell cycle arrest and apoptosis in breast cancer cells. Phase 1.

Pan PI3Kδ, IC50: 39 nM
S1523 Voxtalisib (XL765) Analogue

Voxtalisib (SAR245409, XL765) Analogue 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
S7646 Voxtalisib (XL765)

Voxtalisib (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 (KIN-193) is a PI3Kβ inhibitor with IC50 of 10 nM, 8-, 87- and 109-fold more selective to PI3Kβ than PI3Kδ, PI3Kα and PI3Kγ in cell-free assays. Phase 1.

Pan PI3Kδ, IC50: 80 nM
S1169 TGX-221

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

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

Buparlisib (BKM120, NVP-BKM120) is a selective PI3K inhibitor of p110α/β/δ/γ with IC50 of 52 nM/166 nM/116 nM/262 nM in cell-free assays, respectively. Reduced potency against VPS34, mTOR, DNAPK, with little activity to PI4Kβ. Buparlisib induces apoptosis. Phase 2.

Pan p110δ, IC50: 116 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 in cell-free assays, respectively.

Pan PI3Kδ, IC50: 300 nM
S8948 SRX3207

SRX3207 is an orally active dual inhibitor of Syk-PI3K with IC50 of 39.9 nM, 31200 nM, 3070 nM, 3070 nM, 244 nM, 388 nM, 9790 nM for Syk, Zap70, BRD41, BRD42, PI3K alpha, PI3K delta, PI3K gamma, respectively. SRX3207 blocks tumor immunosuppression and increases anti-tumor immunity.

Pan PI3K delta, IC50: 388 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 HCl

PIK-75 HCl 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 in cell-free assays.

Pan p110δ, IC50: 0.51 μM
S1105 LY294002

LY294002 (SF 1101, NSC 697286) 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. It not only binds to class I PI3Ks and other PI3K-related kinases, but also to novel targets seemingly unrelated to the PI3K family. LY294002 also inhibits CK2 with IC50 of 98 nM. LY294002 is a non-specific DNA-PKcs inhibitor and activates autoph

Pan p110δ, IC50: 0.57 μM
S7683 PIK-III

PIK-III (VPS34-IN2), which is a selective inhibitor of ​VPS34 enzymatic activity, inhibits autophagy and de novo lipidation of LC3 and leads to the stabilization of autophagy substrates. The IC50 values for VPS34 and PI(3)Kδ are 0.018 μM and 1.2 μM respectively.

Pan PI3Kδ, IC50: 1.2μM
S2347 Quercetin Dihydrate

Quercetin (Sophoretin), a polyphenolic flavonoid found in a wide variety of plant-based foods, such as apples, onions, berries, and red wine, is utilized in many different cultures for their nervous system and anticancer effects. Quercetin (dihydrate), a natural flavonoid, is a stimulator of recombinant SIRT1 and a PI3K inhibitor with IC50s of 2.4 μM, 3.0 μM and 5.4 μM for PI3K γ, PI3K δ and PI3K β, respectively.

Pan PI3Kδ, IC50: 3.0 μM
S2391 Quercetin (NSC 9221)

Quercetin (NSC 9221, Sophoretin, C.I. 75720), 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. Quercetin induces mitophagy, apoptosis and protective autophagy. Phase 4.

Pan PI3Kδ, IC50: 3.0 μM