AstraZeneca
This is a multicenter, open-label, single-arm study of prophylaxis for Dato-DXd-related stomatitis in eligible patients with metastatic or inoperable locally recurrent breast cancer or locally advanced or metastatic Epidermal Growth Factor Receptor-Mutated (EGFRm) non-small cell lung cancer
The purpose of this Phase IV study is to describe the incidence and severity of Dato-DXd treatment-emergent grade ≥ 2 stomatitis in participants receiving prophylactic dexamethasone mouthwash within the first 12 weeks of study treatment (ie, Dato-DXd dosing). The study will enroll an estimated 100 participants across approximately 35 sites in the U.S. Enrollment of participants is planned to occur over approximately 18 months, with a minimum of 12 weeks of follow-up for each participant after the first Dato-DXd dose. This study has one arm, and the study population will consist of 2 independ…
Inclusion Criteria: Patients are eligible to be included in the study only if all the following criteria apply: Disease Characteristics 1. Patients with any of the following disease characteristics are eligible (specific population subject to FDA Dato-DXd label): • Patients with unresectable or metastatic HR+/HER2- (IHC 0, IHC 1+, or IHC 2+/ISH-) breast cancer who have received prior ET and chemotherapy for unresectable or metastatic disease. OR • Adult patients with unresectable or metastatic TNBC who are not candidates for PD-1/PD-L1 inhibitor therapy. Participants will be enr…
Dexamethasone steroid-based oral solution, comprised of 0.5 milligrams per 5mL of alcohol-free dexamethasone.
Commercially available Dato-DXd is prescribed and administered to participants according to standard of care