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Japanese

Jan. 27, 2023

April. 22, 2026

jRCT2031220591

Phase Ia, first in human open label dose escalation trial evaluating intravenous BI 1703880 in combination with intravenous ezabenlimab for treatment of advanced solid tumours

A study to test how different doses of BI 1703880 in combination with ezabenlimab are tolerated in people with different types of advanced cancer (solid tumours)

Furubeppu Megumi

Nippon Boehringer Ingelheim Co., Ltd.

ThinkPark Tower 2-1-1 Osaki, Shinagawa-ku, Tokyo 141-6017, Japan

+81-120-189-779

medchiken.jp@boehringer-ingelheim.com

Katakabe Tetsuya

Nippon Boehringer Ingelheim Co., Ltd.

ThinkPark Tower 2-1-1 Osaki, Shinagawa-ku, Tokyo 141-6017, Japan

+81-120-189-779

medchiken.jp@boehringer-ingelheim.com

Recruiting

Jan. 19, 2023

Jan. 19, 2023
26

Interventional

single arm study

open(masking not used)

uncontrolled control

single assignment

treatment purpose

Adult male or female patients with histologically or cytologically confirmed diagnosis of an advanced, unresectable, and/or metastatic malignant solid tumour
Patient must have exhausted or refused established treatment options known to prolong survival for the malignant disease, or is not eligible for established treatment options
Patient must have at least 1 lesion amenable to pre-treatment and on-treatment biopsy
ECOG 0 or 1 and life expectancy of at least >= 3 months after the start of the treatment according to the Investigator's judgement
Adequate organ function or bone marrow reserve as demonstrated at screening by laboratory values

Any investigational or antitumour treatment within 4 weeks or 5 half-life periods prior to the first treatment whichever is shorter
Radiation therapy within 4 weeks prior to the first treatment
Prior STING agonist therapy
Prior intolerability of a PD-1 or anti-PD-L1 therapy
Immunosuppressive therapies including, but not limited to, systemic corticosteroids at doses exceeding >10 mg/day of prednisone or equivalent, and tumour necrosis factor-alpha blockers
Persistent toxicity from previous treatments (including irAEs) that has not resolved to Grade <=1, except for alopecia, xerostomia, and immunotherapy related endocrinopathies
History or evidence of active, non-treatment related autoimmune disease, except for endocrinopathies
History of pneumonitis related to prior immunotherapy
Positive and confirmed SARS-COV-2 test on Cycle 1 Day 1.
Presence of other active invasive cancers other than the one treated in this trial within 3 years prior to screening
Presence or history of uncontrolled or symptomatic brain or
subdural metastases unless local therapy has ended, and metastases considered stable for at least the prior three months

18age 0month 0week old over
No limit

Both

advanced, unresectable and/or metastatic solid tumours

Intravenous infusion of BI 1703880 and ezabenlimab

Occurrence of DLTs during the MTD evaluation period

Occurrence of DLTs during the on-treatment period
PK parameters Cmax and AUC0-tz

Nippon Boehringer Ingelheim Co., Ltd.
The IRB of National Cancer Center Hospital
5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Tokyo

+81-3-3542-2511

Chiken_CT@ml.res.ncc.go.jp
Approval

Nov. 02, 2022

The IRB of Jananese Foundation for Cancer Research
3-8-31 Ariake, Koto-ku, Tokyo 135-8550, Tokyo

+81-3-3520-0111

pi-clin@jfcr.or.jp
Approval

Nov. 02, 2022

Yes

Researchers can refer to https://trials.boehringer-ingelheim.com/ to request access to raw data from our clinical studies.

Spain/United Kingdom/United States

History of Changes

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9 April. 22, 2026 (this page) Changes
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1 Jan. 27, 2023 Detail