About this trial
This study will evaluate the effectiveness of T-DXd in patients with HER2-positive (IHC 3+) locally advanced, unresectable, or metastatic solid tumors who have received prior systemic treatment for metastatic or advanced disease and have no satisfactory alternative treatment options in a real-world setting in the US
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adults aged ≥18 years
Patients with locally advanced, unresectable, or metastatic HER2-positive (IHC 3+) solid tumors who have received prior systemic treatment for metastatic or advanced disease and have no satisfactory alternative treatment options as determined by the Investigator (see Exclusion Criterion 1 for excluded solid tumors);
A clinician decision has been made for treatment with T-DXd in accordance with the FDA label;
HER2-positive (IHC 3+) by local testing prior to study enrolment at the time of signed and dated informed consent;
Disqualifiers
Primary diagnosis of adenocarcinoma of the breast, adenocarcinoma of the colon or rectum, NSCLC, adenocarcinoma of the gastric body or gastroesophageal junction or hematological malignancies;
Prior T-DXd therapy;
Patients without a baseline assessment of tumor burden undertaken prior to initiating T-DXd.
Patient is participating in a clinical trial at time of enrolment
Trial population
The study will enroll patients for whom a clinician decision has been made for treatment with T-DXd as part of routine clinical practice and in line with the FDA label, but who have not yet started therapy with T-DXd
Trial design
Cohort
Prospective
Treatments tested in this trial
Trastuzumab deruxtecan
DrugTrastuzumab deruxtecan monotherapy
Treatment groups
Trial outcomes
Primary outcomes
Real world response rate (rwRR)
rwRR is defined as the proportion of patients with a clinician assessment of complete or partial response while on T-DXd treatment
Real world duration of response (rwDoR)
rwDoR is defined as the time from first physician reported complete or partial response until time of progression or death
Secondary outcomes
Real world time to treatment discontinuation (rwTTD)
rwTTD is defined as the time from first administration of T-DXd to the date of the clinican decision to discontinue treatment with T-DXd or patient death while on T-DXd therapy
Real world time to next treatment (rwTTNT)
rwTTNT is defined as the time from the date of first administration of T-DXd to the date of first administration of the next line of treatment or death
Sponsors and contacts
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