ALK/ROS1-IN-1 is a potent and selective anti-crizotinib-resistant ALK/ROS1 dual inhibitor (IC50s: 0.530 μM and 0.174 μM for ROS1 and ALK enzyme).

EML4-ALK kinase inhibitor 1 (EML4 ALK kinase inhibitor 1) is a potent oral active inhibitor of echinoderm microtubule-associated protein-like 4-anaplastic lymphoma kinase (EML4-ALK), with an IC50 of 1 nM.

ALK inhibitor 1 is a selective ALK kinase inhibitor.

ALK/EGFR-IN-1 (Compound 8l) is a dual inhibitor targeting both ALK and EGFR, effectively blocking their phosphorylation. It demonstrates potent inhibition of ALK/EGFR mutants with IC50 values of 4.3 nM for EGFR L858R T790M in H1975 cells and 3.6 nM for EML4-ALK in BaF3 cells. This compound may be applicable in the research of non-small cell lung cancer (NSCLC) [1].

SAR348830 is an ALK inhibitor, targeting anaplastic lymphoma kinase.

ALK-IN-1 (AP26113) is a potent ALK inhibitor with IC50 of 0.62 nM in a cell-free assay, demonstrated ability overcome Crizotinib resistance mediated by a L1196M mutation. Phase 2.

TRK/ALK-IN-1 is a potent dual inhibitor of TRK and ALK, exhibiting good correlation between its enzymatic inhibition and anti-proliferative activities, with IC50 values of 2.2 nM for TRKA, 9.3 nM for ALK WT, and 38 nM for ALK L1196M. It holds potential for cancer research applications.

ALK/ROS1 inhibitor 2e HCL possesses anti-apoptotic, anti-proliferative and anti-tumour activities.

Alectinib (RG-7853) is an orally available inhibitor of the receptor tyrosine kinase anaplastic lymphoma kinase (ALK) with antineoplastic activity.

Ensartinib (X-396) is a potent and dual ALK/MET inhibitor with IC50s of <0.4 nM and 0.74 nM, respectively. The ability of Ensartinib (X-396) to inhibit the growth of different cancer cell lines harboring ALK fusions or point mutations is tested. Ensartinib is potent in H3122 lung cancer cells harboring EML4-ALK E13;A20 (IC50: 15nM). Ensartinib is also potent in H2228 lung cancer cells harboring EML4-ALK E6a/b; A20 (IC50: 45 nM). Furthermore, X-376 is potent in SUDHL-1 lymphoma cells harboring NPM-ALK (IC50: 9 nM). X-376 also inhibits SY5Y neuroblastoma cells harboring ALK F1174L, MKN-45 gastric carcinoma cells harboring MET dependent, HepG2 cells and PC-9 lung cancer cell lines harboring EGFR exon 19 del with IC50s of 68 nM, 156 nM, 9.644 μM and 2.989 μM, respectively[1]. The effects of Ensartinib (X-396) in vivo against H3122 xenografts are examined. A pharmacokinetic study reveals that Ensartinib shows substantial bioavailability and moderate half-lives in vivo. Nude mice harboring H3122 xenografts are treated with Ensartinib at 25mg/kg bid. Ensartinib significantly delays the growth of tumors compared to vehicle alone. In the xenograft experiments, Ensartinib appears well-tolerated in vivo. Mouse weight is unaffected by Ensartinib treatment. Drug-treated mice appear healthy and do not display any signs of compound related toxicity. To further assess potential side effects of Ensartinib, additional systemic toxicity and toxico-kinetic studies are performed in Sprague Dawley (SD) rats. Following 10 days of repeated oral administration of Ensartinib at 20, 40, 80 mg/kg in SD rats, all animals survive to study termination. The no significant toxicity (NST) levels are determined to be 80mg/kg for Ensartinib. At NST levels, Ensartinib achieves an AUC of 66 μM×hr and a Cmax of 7.19 μM[1]. [1]. Lovly CM, et al. Insights into ALK-driven cancers revealed through development of novel ALK tyrosine kinaseinhibitors. Cancer Res. 2011 Jul 15;71(14):4920-31.

Entrectinib (RXDX-101) is an inhibitor of TrkA (IC50: 1.7 nM), TrkB (IC50: 0.1 nM), and TrkC (IC50: 0.1 nM), as well as anaplastic lymphoma kinase (ALK; IC50: 1.6 nM) and C-ros oncogene 1 (ROS1; IC50: 0.2 nM). Entrectinib blocks proliferation of ALK-dependent cell lines, including those with C1156Y or L1196M resistance mutations, and inhibits ALK‐dependent signaling. It has been shown to inhibit the growth of a non-small cell lung Y cell line bearing an EML4-ALK rearrangement. In mice bearing various ROS1, Trk, or ALK-driven xenografts, Entrectinib has been shown to induce tumor regression.

Lorlatinib (PF-6463922) is an orally available, ATP-competitive inhibitor of the receptor tyrosine kinases, anaplastic lymphoma kinase (ALK) and C-ros oncogene 1 (Ros1), with potential antineoplastic activity.

Ascrinvacumab (PF-03446962) is a highly humanized IgG2 monoclonal antibody against ALK-1. Ascrinvacumab has a Kd value of 7 nM for human ALK1. Ascrinvacumab has an inhibitory effect on TGF-β and can be used to study hepatocellular carcinoma (HCC).

ALK-IN-12 is a highly potent and orally active inhibitor of anaplastic lymphoma kinase (ALK), demonstrating an exceptional IC50 value of 0.18 nM. Additionally, ALK-IN-12 displays inhibitory activity against insulin-like growth factor 1 receptor (IGF1R) and insulin receptor (InsR), with IC50 values of 20.3 nM and 90.6 nM, respectively. Notably, its antitumor effects have been observed, making it a promising compound for targeted cancer therapy.

ALK-IN-27 (compound 1) is a potent ALK inhibitor exhibiting antitumor activity, with an IC50 of 2.7 nM in Ba/F3 CLIP1-LTK cells [1].

F-1 is IC50s of 2.1 nM, 2.3 nM, 1.3 nM and 3.9 nM for ALKWT, ROS1WT, ALKL1196M and ALKG1202R, respectively. F-1 is a potent ALK and ROS1 dual inhibitor, suppresses phospho-ALK and its relative downstream signaling pathways.

MS4078 is an inhibitor and aplastic lymphoma kinase (ALK) PROTAC (degrader) based on Cereblon ligand, with a Kd of 19 nM for binding affinity to ALK.

Ensartinib hydrochloride (X-396 dihydrochloride) is a potent new-generation ALK inhibitor with high activity against CNS metastases and a broad range of known crizotinib-resistant ALK mutations. It potently inhibits both wild-type ALK and ALK variants (C1156Y, F1174, G1202R, L1196M, S1206R, and T1151 mutants) with in vitro IC50s of <4 nM.

SIAIS164018 hydrochloride is a PROTAC-based degrader targeting ALK and EGFR, exhibiting IC50 values of 2.5 nM for ALK and 6.6 nM for ALK G1202R. It effectively suppresses cancer cell migration and invasion, induces G1 cell cycle arrest, and promotes apoptosis, demonstrating superior properties compared to Brigatinib [1].

APG-2449 is an orally active inhibitor targeting ALK, ROS1, and FAK, demonstrating antitumor efficacy in mouse models of non-small cell lung cancer (NSCLC) [1].

ALK-IN-21 (Compound B10), a proficient ALK inhibitor targeting the ALKG1202R mutation, demonstrates significant inhibitory activity, with IC50 values of 4.59 nM against ALK WT, 2.07 nM against ALK L1196M, and 5.95 nM against ALK G1202R. Moreover, ALK-IN-21 effectively suppresses proliferation in ALK-positive Karpas299 and H2228 cells, achieving IC50 values of 0.07 μM. It is applicable for anaplastic large cell lymphoma research [1].

KRCA-0008 is an effective and specific ALK/Ack1 inhibitor (IC50: 12/4 nM); displays drug-like properties without hERG liability.

ALK/EGFR-IN-2 is a potent dual inhibitor targeting ALK and EGFR, promoting apoptosis and G0/G1 cell cycle arrest in cancer cells. It effectively suppresses proliferation in H1975, PC9, and Baf3-EML4-ALK cancer cell lines, demonstrating IC50s of 0.0034, 0.0065, and 0.0018 μM, respectively [1].

HG-14-10-04 is a potent and specific ALK inhibitor.

R-268712 is a specific activin receptor-like kinase 5 (ALK5) inhibitor(IC50 of 2.5 nM). It is also an orally active transforming growth factor-β type I receptor inhibitor.

Alectinib-d8 is a deuterated compound of Alectinib. Alectinib has a CAS number of 1256580-46-7. CH5424802 is an orally available inhibitor of the receptor tyrosine kinase anaplastic lymphoma kinase (ALK) with antineoplastic activity.

SIAIS117, a potent Brigatinib-PROTAC degrader, effectively degrades the ALK G1202R point mutation through its design based on Brigatinib and VHL-1 conjunction. It inhibits the proliferation of SR and H2228 cancer cell lines, demonstrating potential anti-proliferative effects against small cell lung cancer [1].

ConB-1 is a potent and selective ALK inhibitor with low toxicity to normal cells .

Trk-IN-7 (compound I-6) is a highly potent inhibitor of TRK, exhibiting IC50 values ranging from 0.25-10 nM for TRKA, TRKB, and TRKC, respectively. In addition, Trk-IN-7 demonstrates notable inhibition against EML4-ALK (IC50 <15 nM), as well as ALK G1202R, ALK C1156Y, ALK R1275Q, ALK F1174L, ALK L1197M, and ALK G1269A (IC50 = 5-50 nM) [1].

Trk-IN-10 (Compound 14j) is a highly effective inhibitor of TRK, with an IC50 of 0.86 nM against TrkA and 6.92 nM against TrkA G595R. As an RTK, Trk plays a crucial role as a drug target in solid tumors. Trk-IN-10 (IC50 = 350 nM against ALK) demonstrates superior selectivity in inhibiting Trk, which has potential implications for toxicity reduction [1].

SIAIS164018, a PROTAC-based ALK and EGFR degrader derived from Brigatinib, exhibits IC50 values of 2.5 nM for ALK and 6.6 nM for ALK G1202R. It significantly hampers cancer cell migration and invasion, induces G1 cell cycle arrest, and triggers apoptosis, demonstrating superior properties compared to Brigatinib [1].

TPX-0131 is a potent, selective, CNS-penetrant and orally active inhibitor of wild-type ALK ( IC 50 of 1.4 nM) and is potent against ALK-resistant mutation, e.g. G1202R ( IC 50 of 0.3 nM), L1196M ( IC 50 of 0.3 nM). TPX-0131 has strong antitumor activities [1].

Crizotinib hydrochloride (PF-02341066 hydrochloride) is a novel inhibitor of anaplastic lymphoma kinase and c-Met(IC50s of 20 and 8 nM)

PRO-6E is an orally active, Cereblon ligand-based PROTAC that promotes MET degradation, achieving up to 81.9% effectiveness at a concentration of 1 μM in MKN-45 cells. It demonstrates tumor growth inhibition both in vivo and in vitro, alongside inducing cell apoptosis and cell cycle arrest. Notably, its structure comprises a Cereblon ligand (blue), a linker (black), and an ALK/c-Met inhibitor Crizotinib component (pink). [1]

ALK/EGFR-IN-3 is a dual ALK and EGFR inhibitor that demonstrates potent anti-proliferative effects on various cancer cell lines, including H1975, PC9, and Baf3-EML4-ALK, with respective IC50 values of 0.1360, 0.0332, and 0.0339 μM [1].

Alectinib hydrochloride (RO5424802 Hydrochloride) is a selective, and orally available inhibitor of ALK( IC50 : 1.9 nM)

NVP-TAE 684 (TAE684) is a excellently effective and specific ALK inhibitor(IC50=3 nM).

AP-1, a miniaturized proteolysis-targeting chimera (PROTAC) incorporating an anaplastic lymphoma kinase (ALK) ligand connected to (±)-thalidomide via an ultrashort linker, effectively degrades ALK fusion proteins such as NPM-ALK in Karpas-299 cells and EML4-ALK and ALKF1174L in SN-N-SH and NCI H3122 cells, respectively. Concentrations ranging from 10 to 300 nM are sufficient for its action, which is hindered by the proteasome inhibitor MG-132. Demonstrating selectivity, AP-1 exhibits cytotoxicity towards ALK-dependent Karpas-299 cells with an IC50 value of 0.1265 nM, while showing significantly less toxicity to non-ALK-dependent THP-1 cells (IC50 = 2,704 nM). Furthermore, it effectively reduces tumor volume in NCI H3122 mouse xenograft models at doses of 25, 50, and 100 mg/kg.

ALK5-IN-26 (EX-22) is an ALK (Activin receptor-like kinase) inhibitor. ALK5-IN-26 inhibits ALK5 (IC50 ≤ 1 nM).

PF-06463922 acetate is a potent, selective brain-penetrable inhibitor of both anaplastic lymphoma kinase (ALK) and c-ros Oncogene 1 (ROS1) with strong activity against all known ALK and ROS1 mutants identified in patients with crizotinib-resistant disease. PF-06463922 is in clinical trials for the treatment of non–small cell lung cancer (NSCLC).