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Animal models to assess potential post-inhalation irritant effects associated with inhaled drugs. (PS-9; Poster board no. 15) - May 31, 2024 - Abstract #ERS2024ERS_446; No effect was observed with BDP. These data demonstrate that it is possible to assess the potential irritant effects associated with inhaled drugs using a head-out plethysmography applied to the inhalation system, thus helping in the selection of molecules devoid of such effects.
- |||||||||| Ukoniq (umbralisib) / TG Therap, nemiralisib (GSK2269557) / GSK, Tavalisse (fostamatinib) / Rigel, Kissei
Journal: Immune cells transcriptome-based drug repositioning for multiple sclerosis. (Pubmed Central) - Nov 8, 2022 6 candidate drugs targeting two or more hub targets (Fostamatinib, Copper, Artenimol, Phenethyl isothiocyanate, Aspirin and Zinc) were obtained...We obtained 69 candidate drugs targeting two target pathways. We found that applying candidate drugs that target both the "PI3K-Akt signaling pathway" and "Chemokine signaling pathway" (e.g., Nemiralisib and Umbralisib) or applying tyrosine kinase inhibitors (e.g., Fostamatinib) may be potential therapies for the treatment of MS.
- |||||||||| Zydelig (idelalisib) / Gilead
FUNCTIONAL SCREENING OF PI3K INHIBITORS STRATIFIES RESPONDERS TO IDELALISIB AND INDICATES DRUG CLASS ACTIVITY IN IDELALISIB-REFRACTORY CLL () - May 13, 2022 - Abstract #EHA2022EHA_1186; Aims To characterize functional responses to 10 PI3Ki in CLL To study PI3Ki drug class activity in idelalisib-refractory CLL To investigate whether ex vivo drug sensitivity can predict in vivo treatment responses Methods CLL cells from patients that were treatment naïve (n=7), idelalisib refractory (n=9), or on idelalisib treatment (longitudinal samples from n=6 patients) were screened against 10 PI3Ki (buparlisib, compound 7n, copanlisib, duvelisib, idelalisib, nemiralisib, pictilisib, pilaralisib, umbralisib, ZSTK474), both alone and in combination with the B-cell lymphoma 2 (Bcl-2) antagonist venetoclax...Ex vivo drug testing on CLL cells from a patient who presented with relapsed disease after sequential treatment with FCR, ibrutinib, idelalisib and venetoclax revealed sensitivity to PI3Ki+venetoclax treatment...Conclusion Our findings indicate PI3Ki drug class activity in idelalisib-refractory CLL, and suggest that ex vivo drug sensitivity may guide precision medicine and predict treatment responses. These results warrant further testing in larger cohorts and in clinical trials.
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Clinical, Journal: An Inhaled PI3Kδ Inhibitor Improves Recovery in Acutely Exacerbating COPD Patients: A Randomized Trial. (Pubmed Central) - Aug 13, 2021 P2 These data show that addition of nemiralisib to usual care delivers more effective recovery from an acute exacerbation and improves lung function parameters including siVaw and FEV. Although post-inhalation cough was identified, nemiralisib was otherwise well tolerated, providing a promising novel therapy for this acutely ill patient group.
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Clinical, Journal: Exploring PI3Kδ Molecular Pathways in Stable COPD and Following an Acute Exacerbation, Two Randomized Controlled Trials. (Pubmed Central) - Aug 13, 2021 We provide evidence for nemiralisib-evoked changes in neutrophil migration phenotype in stable COPD but not AECOPD, despite improving lung function in the latter group. We conclude that induced sputum can be used for measuring evidence of alteration of neutrophil phenotype in stable patients, and our study provides a data set of the sputum transcriptomic changes during recovery from AECOPD.
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Clinical, Journal: Nemiralisib in Patients with an Acute Exacerbation of COPD: Placebo-Controlled, Dose-Ranging Study. (Pubmed Central) - Aug 13, 2021 The addition of nemiralisib to standard-of-care treatment for 12 weeks did not improve lung function or re-exacerbations in patients with, and following an acute exacerbation of COPD. However, this study demonstrated that large clinical trials recruiting acutely exacerbating patients can successfully be conducted.
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Preclinical, Journal: Drug interactions for low dose inhaled nemiralisib - a case study integrating modelling, in vitro and clinical investigations. (Pubmed Central) - Jul 21, 2021 PBPK and static mechanistic models were also used to predict a negligible perpetrator DDI effect for nemiralisib on other P4503A4 substrates, including midazolam (a sensitive probe substrate of P4503A4) and theophylline (a narrow therapeutic index drug and another common comedication)...SIGNIFICANCE STATEMENT: This paper describes the integration of in silico, in vitro and clinical data to successfully discharge potential drug-drug interaction risks for a low dose inhaled drug. This work featured assessment of victim and perpetrator risks of drug transporters and cytochrome P450 (CYP) enzymes utilizing empirical and mechanistic approaches, combined with clinical data (drug interaction and human absorption, metabolism and pharmacokinetics), and physiologically based pharmacokinetic (PBPK) modelling approaches to facilitate bespoke risk assessment in target patient populations.
- |||||||||| Ellipta DPI (nemiralisib) / GSK
Clinical, PK/PD data, Journal: Evaluation of the Safety, Tolerability, and Pharmacokinetics of GSK2269557 (Nemiralisib) Administered Via Dry Powder Inhaler to Healthy Japanese Subjects. (Pubmed Central) - Mar 24, 2020 Following 10 daily doses of 200, 500, and 700 μg nemiralisib, accumulation was observed, and the ratios (session 2, day 10:session 1) for Ro(AUC ) and R(C ) were 2.4-3.0 and 1.5-1.7, respectively. Steady state was achieved by 6-7 days, based on trough observed plasma drug concentration (C ) values.
- |||||||||| Ellipta DPI (nemiralisib) / GSK
Practical use of Ellipta, a once-daily, dry powder inhaler for children with asthma (Convention Center, 200 Level, Hall D) - Mar 1, 2020 - Abstract #AAAAI2020AAAAI_1085; Funding GSK (study 205715/NCT02924688). Most children were able to use the once-daily Ellipta DPI correctly and easily, suggesting that the Ellipta DPI may simplify inhaler use for children with asthma in clinical practice.
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Clinical, PK/PD data, Journal: A multicentre, randomised, double-blind, placebo-controlled, crossover study to investigate the efficacy, safety, tolerability and pharmacokinetics of repeat doses of inhaled nemiralisib in adults with persistent, uncontrolled asthma. (Pubmed Central) - Oct 8, 2019 Further studies will investigate the potential efficacy of nemiralisib in patients with asthma with other specific more severe phenotypes, including those who are colonised with bacteria and frequently exacerbate. .
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Biomarker, Trial completion, Trial completion date, Trial primary completion date: A Study to Evaluate the Safety, Efficacy and Changes in Induced Sputum and Blood Biomarkers Following Daily Repeat Doses of Inhaled GSK2269557 in Chronic Obstructive Pulmonary Disease (COPD) Subjects With Acute Exacerbation (clinicaltrials.gov) - Jul 17, 2018 P2, N=46, Completed, Recruiting --> Active, not recruiting Active, not recruiting --> Completed | Trial completion date: Oct 2018 --> Jun 2018 | Trial primary completion date: Oct 2018 --> Jun 2018
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