U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 31 - 40 of 961 results


Class (Stereo):
CHEMICAL (ABSOLUTE)

LEFAMULIN is a pleuromutilin antibiotic under development for the treatment of community-acquired bacterial pneumonia, as well as acute bacterial skin and skin structure infections. It inhibits bacterial protein synthesis by binding to the peptidyl transferase center of the 50S ribosome, resulting in the cessation of bacterial growth.

Class (Stereo):
CHEMICAL (ACHIRAL)


LASMIDITAN is a serotonin (5-HT) receptor agonist without vasoconstrictor activity, which selectively binds to the 5-HT(1F) receptor subtype. It is under development for the treatment of migraine.
Elcometrine (Segesterone acetate, Nestorone) is a steroidal progestin which is used as a hormonal contraceptive and as a treatment of endometriosis. Upon oral administration, Nestorone undergoes rapid metabolism and inactivation. Several clinical trials have been performed with Nestorone administered via subdermal implants.
PF-04449913 is a potent and selective inhibitor of the Hh signaling pathway through binding to the target, smoothened. PF-04449913 inhibits Hh signaling in vitro and has demonstrated significant antitumor activity in vivo. In the clinic, PF-04449913 is being evaluated both in hematological and solid malignancies, with a phase II trial currently underway in both fit and unfit patients with acute myeloid leukemia (AML) or high-risk myelodysplastic syndrome (MDS). Treatment-related adverse-events were nausea, dizziness, somnolence, QT prolongation and pruritus. Based on pre-clinical assessments, CYP3A4 is believed to be primarily involved in the metabolism of PF-04449913 that is why PF-04449913 plasma exposures and peak concentrations were increased following concurrent administration of ketoconazole (CYP3A4 inhibitor).
Duvelisib (IPI-145), is an orally available, small-molecule, selective dual inhibitor of phosphatidylinositol 3 kinase (PI3K) δ and γ isoforms originated by Intellikine (owned by Takeda) and developed by Infinity Pharmaceuticals. Orally administered duvelisib was rapidly absorbed, with a dose-proportional increase in exposure. The compound produced a half-life of approximately 7-12 hours, following 14 days of dosing. Duvelisib exerts profound effects on adaptive and innate immunity by inhibiting B and T cell proliferation, blocking neutrophil migration, and inhibiting basophil activation. Duvelisib blockade of PI3K-δ and PI3K-γ potentially lead to significant therapeutic effects in multiple inflammatory, autoimmune, and hematologic diseases. The molecule is in phase III development as a combination therapy for patients with haematological malignancies such as chronic lymphocytic leukemia and follicular lymphoma.
Bictegravir is a component of the fixed-dose combination product bictegravir/emtricitabine/tenofovir alafenamide (BIKTARVY®), which received marketing approval for the treatment of human immunodeficiency virus (HIV) infection by the U.S. Food and Drug Administration in February 2018. Bictegravir inhibits the strand transfer activity of HIV-1 integrase, an HIV-1 encoded enzyme that is required for viral replication. Inhibition of integrase prevents the integration of linear HIV-1 DNA into host genomic DNA, blocking the formation of the HIV-1 provirus and propagation of the virus.
Ivosidenib (AG-120) is an inhibitor of isocitrate dehydrogenase 1 (IDH1) This experimental drug inhibits mutant IDH1, leading to increased differentiation and decreased proliferation in IDH1 positive tumors and thus is thought to be promising for the treatment of IDH1-mutated tumors. In vivo treatment with AG-120 of TF-1 cells, primary human AML patient samples expressing mutant IDH1 and primary human blast cells cultured ex vivo showed that AG-120 is effective at lowering 2-HG levels and restoring cellular differentiation. It showed promising results in a phase I trial in patients with relapsed or refractory acute myeloid leukemia and is being evaluated in Phase III in previously-treated subjects with nonresectable or metastatic cholangiocarcinoma with an IDH1 mutation.
Baricitinib (trade name Olumiant) is an investigational drug for rheumatoid arthritis (RA), being developed by Incyte and Eli Lilly. Baricitinib is a selective JAK1 and JAK2 inhibitor with IC50 of 5.9 nM and 5.7 nM in cell-free assays. In February 2017 Baricitinib was approved for use in the European Union as a second-line therapy for moderate to severe active rheumatoid arthritis in adults, either alone or in combination with methotrexate. On 31 May 2018 FDA approved Barictinib for the treatment of adult patients with moderately to severely active rheumatoid arthritis who have had an inadequate response to one or more TNF antagonist therapies.
Doravirine (MK-1439) is a nonnucleoside inhibitor of HIV reverse transcriptase (NNRTI). It displays excellent activities against not only WT viruses but also a broader panel of NNRTI-resistant viruses. Doravirine is a prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the treatment of HIV infection in adults who have never taken HIV medicines before. Doravirine is always used in combination with other HIV medicines.

Class (Stereo):
CHEMICAL (ACHIRAL)



Prucalopride is a novel enterokinetic compound and is the first representative of the benzofuran class. Prucalopride is a potent, selective and specific serotonin 5-HT4 receptor (5-HT4-R) agonist. Prucalopride (Resolor®), a highly selective serotonin 5-HT4 receptor agonist, is indicated in the European Economic Area for the treatment of adults with chronic idiopathic constipation (CIC) in whom laxatives have failed to provide adequate relief.