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HERALD Study

A basket trial of DS-8201a, a novel HER2-targeted antibody-drug conjugate, for HER2 amplified solid tumors identified by ctDNA analysis - HERALD trial

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080224635
Enrollment
210
Registered
2019-04-11
Start date
2019-10-07
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

solid malignancies

Interventions

Sponsors

Aichi Cancer Center Hospital
Lead Sponsor
DAIICHI SANKYO Co., Ltd
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Informed consent for participation in the study is obtained at the discretion of the patient. 2.The patient is 20 years of age or older on the date of informed consent. 3.Histologically or cytologically confirmed an unresectable advanced or recurrent solid malignancy who are refractory or intolerant to stanard therapy. 4.HER2 genomic amplified is detected by analysis of blood sample using Guardant360: 5.The disease is measurable based on the Response Evaluation Criteria in Solid Tumours (RECIST) guidelines version 1.1. 6.Adequate organ function 7.Males and women of childbearing potential who are negative in a urine pregnancy test agree to use contraception from obtaining informed consent through 4.5months after the final administration of DS-8201a.

Exclusion criteria

Exclusion criteria: [Principal Analysis Cohort (Enrollment Completed)] 1.Has a history of prior treatment with antibody-drug conjugate (ADC) consists of DS-8201a or an exatecan derivative. 2.Patients diagnosed with gastric cancer, breast cancer, colorectal cancer, lung cancer, biliary tract cancer, uterine carcinosarcoma, or osteosarcoma, in whom high HER2 expression has been confirmed by tumor tissue evaluation. 3.Has spinal cord compression or clinically active central nervous system metastases. 4.Patients with uncontrolled acute systemic infection or diabetes mellitus. 5.Medical history of myocardial infarction within 6 months before enrollment, symptomatic congestive heart failure (CHF) (New York Heart Association Class II to IV), troponin levels consistent with myocardial infarction as defined according to the manufacturer 28 days prior to enrollment. 6.Have a history of other malignancies within 3 years prior to enrollment. 7.Has HIV infection. Patients who are HBs antigen positive or HBs antibody or HBc antibody positive and HBV-DNA positive. Or have active hepatitis C. 8.Has a history of (non-infectious) ILD/pneumonitis that required steroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening. 9.having a clinically relevant corneal disease. [Expansion cohort] 1. Has a history of prior treatment with antibody-drug conjugate (ADC) consists of DS-8201a or an exatecan derivative. 2. The patient is considered eligible for treatment with Enhertu(R). 3. with lesions that compress the spinal cord. 4.Patients with uncontrolled acute systemic infection. 5.Medical history of myocardial infarction within 6 months before enrollment, symptomatic congestive heart failure (CHF) (New York Heart Association Class II to IV), troponin levels consistent with myocardial infarction as defined according to the manufacturer 28 days prior to enrollment. 6.Have a history of other malignancies within 3 years prior to enrollment. 7. HIV infection and poorly controlled. Active or poorly controlled hepatitis B or active hepatitis C. 8.Has a history of (non-infectious) ILD/pneumonitis that required steroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening. 9.having a clinically relevant corneal disease.

Design outcomes

Primary

MeasureTime frame
efficacy objective response rate(ORR) assessed by investigators

Secondary

MeasureTime frame
safety efficacy Progression-free survival: PFS Duration of response: DoR Time to treatment failure: TTF Disease control rate: DCR Overall survival: OS ORR by central assessment (Principal Analysis Cohort only) Changes of sum of tumor diameter AE

Countries

Japan

Contacts

Public Contactclinical trial coordinating committee

National Cancer Center Hospital East

HERALD_core@east.ncc.go.jp+81-4-7133-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026