| Unique ID issued by UMIN | UMIN000059178 |
|---|---|
| Receipt number | R000066622 |
| Scientific Title | A multicenter retrospective observational study of real-world T-DXd treatment for stage4 HER2-mutated non-small cell lung cancer patients in Japan (REAL-HER2 Study) (WJOG21224L) |
| Date of disclosure of the study information | 2025/09/25 |
| Last modified on | 2025/09/24 16:55:14 |
A multicenter retrospective observational study of real-world T-DXd treatment for stage4 HER2-mutated non-small cell lung cancer patients in Japan (REAL-HER2 Study) (WJOG21224L)
REAL-HER2 Study
A multicenter retrospective observational study of real-world T-DXd treatment for stage4 HER2-mutated non-small cell lung cancer patients in Japan (REAL-HER2 Study) (WJOG21224L)
REAL-HER2 Study
| Japan |
Lung Cancer
| Pneumology |
Malignancy
YES
To investigate real-world treatment patterns in previously treated patients with stage IV HER2-mutant non-small cell lung cancer (NSCLC) in Japan, and to assess the effectiveness and safety of trastuzumab deruxtecan (T-DXd) in routine clinical practice.
Safety,Efficacy
rwPFS (real-world Progression Free Survival)
1) OS (Overall Survival)
2) TTF (Time to treatment failure)
3) rwORR (Real-world objective response rate)
4) rwDCR (Real-world disease control rate)
5) Treatment duration
6) Adverse Event
7) Analysis of prognostic factors
Observational
| 18 | years-old | <= |
| Not applicable |
Male and Female
1.Patients aged >_18 years at the time of first administration of T-DXd.
2.Patients diagnosed with stage IV HER2-mutant non-small cell lung cancer (NSCLC) by February 28, 2025.
3.Patients who received their first dose of T-DXd between August 23, 2023, and February 28, 2025.
4.Patients who received T-DXd as second-line or later therapy for stage IV HER2-mutant NSCLC.
Note: Patients with recurrence after definitive therapy (surgery, definitive chemoradiotherapy, or definitive radiotherapy) are excluded.
1.Patients who declined to participate in the study.
2.Patients deemed inappropriate for inclusion based on the investigator's judgment.
70
| 1st name | Hidetoshi |
| Middle name | |
| Last name | Hayashi |
Kindai University Faculty of Medicine
Department of Medical Oncology
589-8511
377-2 Ohno-higashi, Osaka-Sayama, Osaka
072-366-0221
hidet31@med.kindai.ac.jp
| 1st name | Naoki |
| Middle name | |
| Last name | Ishizuka |
West Japan Oncology Group
WJOG datacenter
556-0016
Namba Plaza Bldg. 304-1-5-7, Motomachi Naniwa-ku, Osaka 556-0016 JAPAN
06-6633-7400
https://www.wjog.jp/
datacenter@wjog.jp
West Japan Oncology Group
DAIICHI SANKYO CO., LTD.
Profit organization
Ethics Committee, Faculty of Medicine, Kinki University
377-2 Ohno-Higashi, Osaka-Sayama, Osaka
072-366-0221
zizen@med.kindai.ac.jp
NO
| 2025 | Year | 09 | Month | 25 | Day |
Unpublished
Preinitiation
| 2025 | Year | 06 | Month | 19 | Day |
| 2025 | Year | 09 | Month | 09 | Day |
| 2026 | Year | 01 | Month | 31 | Day |
| 2027 | Year | 11 | Month | 30 | Day |
Multicenter retrospective cohort study
| 2025 | Year | 09 | Month | 24 | Day |
| 2025 | Year | 09 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066622