DDInter557 DDInter1352
A 9,10alpha-dihydro derivative of [ergotamine]. Dihydroergotamine is used as an abortive therapy for migraines. Its use has largely been supplanted by triptans in current therapy due to the class's greater selectivity and more favourable side effect profile. Recent improvements have been made in the design of intranasal delivery devices allowing for greater delivery of dihydroergotamine solution to the vasculature-rich upper nasal cavity. The recently approved Precision Olfactory Delivery technology developed by Impel Neuropharma technology has correlated with an increase of 3-fold in Cmax and 4-fold in AUC despite the solution formulated at 75% of the strength of the existing intranasal product.
Osimertinib is an oral, third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) drug developed by AstraZeneca Pharmaceuticals.[A7926,L43453] Its use is indicated for the treatment of metastatic non-small cell lung cancer (NSCLC) in cases where tumour EGFR expression is positive for the T790M mutation as detected by FDA-approved testing and which has progressed following therapy with a first-generation EGFR tyrosine kinase inhibitor. Approximately 10% of patients with NSCLC have a rapid and clinically effective response to EGFR-TKIs due to the presence of specific activating EGFR mutations within the tumour cells. More specifically, deletions around the LREA motif in exon 19 and exon 21 L858R point mutations are correlated with response to therapy. Development of third-generation EGFR-TKIs, such as osimertinib, has been in response to altered tumour resistance patterns following treatment and toxic side effects that impact patient quality of life. Treatment with first-generation EGFR-TKIs (gefitinib and erlotinib) has been associated with the development of resistance through activating mutations in the EGFR gene. Second-generation EGFR-TKIs (afatinib and dacomitinib) were then developed to be more potent inhibitors, although their use is associated with increased toxicity through nonspecific targeting of wild-type EGFR. In contrast, third-generation inhibitors are specific for the gate-keeper T790M mutations which increases ATP binding activity to EGFR and result in poor prognosis for late-stage disease. Furthermore, osimertinib has been shown to spare wild-type EGFR during therapy, thereby reducing non-specific binding and limiting toxicity.[A7926,A7927,A7931]
Dihydroergotamine {u} (Compound) resembles {v} (Compound) Ergotamine
Ergotamine {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) resembles {v} (Compound) Ergoloid mesylate
Ergoloid mesylate {u} (Compound) resembles {v} (Compound) Ergotamine
Ergotamine {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) resembles {v} (Compound) Ergotamine
Ergotamine {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Ivacaftor
Ivacaftor {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) resembles {v} (Compound) Bromocriptine
Bromocriptine {u} (Compound) resembles {v} (Compound) Methysergide
Methysergide {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) binds {v} (Gene) ABCB1
ABCB1 {u} (Gene) is bound by {v} (Compound) Amprenavir
Amprenavir {u} may lead to a major life threatening interaction when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) resembles {v} (Compound) Ergotamine
Ergotamine {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Chloramphenicol
Chloramphenicol {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) binds {v} (Gene) ABCB1
ABCB1 {u} (Gene) is bound by {v} (Compound) Lidocaine
Lidocaine {u} may cause a minor interaction that can limit clinical effects when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) resembles {v} (Compound) Bromocriptine
Bromocriptine {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Fedratinib
Fedratinib {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) binds {v} (Gene) ADRA2A
ADRA2A {u} (Gene) is bound by {v} (Compound) Lurasidone
Lurasidone {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine {u} (Compound) palliates {v} (Disease) migraine
migraine {u} (Disease) is treated by {v} (Compound) Verapamil
Verapamil {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Osimertinib
Dihydroergotamine (Compound) resembles Ergotamine (Compound) and Ergotamine may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib
Dihydroergotamine (Compound) resembles Ergoloid mesylate (Compound) and Ergoloid mesylate (Compound) resembles Ergotamine (Compound) and Ergotamine may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib
Dihydroergotamine (Compound) resembles Ergotamine (Compound) and Ergotamine may cause a moderate interaction that could exacerbate diseases when taken with Ivacaftor and Ivacaftor may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib
Dihydroergotamine (Compound) resembles Bromocriptine (Compound) and Bromocriptine (Compound) resembles Methysergide (Compound) and Methysergide may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib
Dihydroergotamine (Compound) binds ABCB1 (Gene) and ABCB1 (Gene) is bound by Amprenavir (Compound) and Amprenavir may lead to a major life threatening interaction when taken with Osimertinib
Dihydroergotamine (Compound) resembles Ergotamine (Compound) and Ergotamine may cause a moderate interaction that could exacerbate diseases when taken with Chloramphenicol and Chloramphenicol may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib
Dihydroergotamine (Compound) binds ABCB1 (Gene) and ABCB1 (Gene) is bound by Lidocaine (Compound) and Lidocaine may cause a minor interaction that can limit clinical effects when taken with Osimertinib
Dihydroergotamine (Compound) resembles Bromocriptine (Compound) and Bromocriptine may cause a moderate interaction that could exacerbate diseases when taken with Fedratinib and Fedratinib may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib
Dihydroergotamine (Compound) binds ADRA2A (Gene) and ADRA2A (Gene) is bound by Lurasidone (Compound) and Lurasidone may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib
Dihydroergotamine (Compound) palliates migraine (Disease) and migraine (Disease) is treated by Verapamil (Compound) and Verapamil may cause a moderate interaction that could exacerbate diseases when taken with Osimertinib