Brightline-1: A Phase II/III, Randomized, Open-label, Multi-center Study of BI 907828 Compared to Doxorubicin as First Line Treatment of Patients With Advanced Dedifferentiated Liposarcoma

  • End date
    May 27, 2026
  • participants needed
  • sponsor
    Boehringer Ingelheim
Updated on 25 October 2022


This study is open to people with a type of cancer called dedifferentiated liposarcoma. People with advanced liposarcoma aged 18 or older who are not receiving any other cancer treatment can participate.

The purpose of this study is to compare a medicine called BI 907828 with doxorubicin in people with liposarcoma. BI 907828 is a so-called MDM2 inhibitor that is being developed to treat cancer. Doxorubicin is a medicine already used to treat cancer including liposarcoma.

During the study, participants get either BI 907828 or doxorubicin. Every 3 weeks, participants take BI 907828 as tablets or doxorubicin as an infusion into a vein. Participants can switch to BI 907828 treatment if they did not benefit from doxorubicin treatment.

Participants can continue treatment in the study as long as they benefit from it and can tolerate it.

Doctors regularly check the size of the tumour and check whether it has spread to other parts of the body. The doctors also regularly check participants' health and take note of any unwanted effects.

Condition Liposarcoma, Dedifferentiated
Treatment doxorubicin, BI 907828
Clinical Study IdentifierNCT05218499
SponsorBoehringer Ingelheim
Last Modified on25 October 2022


Yes No Not Sure

Inclusion Criteria

Provision of signed and dated, written informed consent form (ICF) in accordance with ICH-GCP and local legislation prior to any trial-specific procedures, sampling, or analyses
Male or female patients ≥18 years old at the time of signature of the informed consent form (ICF). Women of childbearing potential (WOCBP) and men able to father a child must be ready and able to use 2 medically acceptable methods of birth control per ICH M3 (R2) that result in a low failure rate of less than 1% per year when used consistently and correctly beginning at screening, during trial participation, and until 6 months and 12 days after last dose for women and 102 days after last dose for men. A list of contraception methods meeting these criteria is provided in the patient information
Histologically proven locally advanced or metastatic, unresectable (surgery morbidity would outweigh potential benefits), progressive or recurrent dedifferentiated liposarcoma (DDLPS). Locally performed histopathological diagnosis will be accepted for entry into this trial but will be confirmed by independent pathological review while the patients receive treatment in this trial
Written pathology report indicating the diagnosis of DDLPS with positive mouse double minute 2 homolog (MDM2) immunohistochemistry or MDM2 amplification as demonstrated by fluorescence in situ hybridization or next generation sequencing (NGS) must be available
Formalin fixed paraffin embedded tumor blocks or slides must be available for retrospective histopathological central review
Presence of at least one measurable target lesion according to Response Evaluation Criteria In Solid Tumors (RECIST) version 1.1. In patients who only have one target lesion, the baseline imaging must be performed at least 2 weeks after any biopsy of the target lesion
Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1
Patient must be willing to donate blood samples for the pharmacokinetics, pharmacodynamics, and tumor mutation analysis
Patient willing to undergo a mandatory tumor biopsy at the time point specified in the flowchart unless exempt
Adequate organ function

Exclusion Criteria

Known mutation in the TP53 gene (screening for TP53 status is not required)
Major surgery (major according to the investigator's assessment) performed within 4 weeks prior to randomization or planned within 6 months after screening
Prior systemic therapy for liposarcoma in any setting (including adjuvant, neoadjuvant, maintenance, palliative)
Previous or concomitant malignancies other than DDLPS or WDLPS, treated within the previous 5 years, except effectively treated non-melanoma skin cancers, carcinoma in situ of the cervix, ductal carcinoma in situ, or other malignancy that is considered cured by local treatment
Previous treatment with anthracyclines in any setting (systemic treatment with other anticancer agents is allowed if completed at least 5 years prior to study entry with the exception of hormone therapy)
Patients who must or intend to continue the intake of restricted medications or any drug considered likely to interfere with the safe conduct of the trial
Currently enrolled in another investigational device or drug trial, or less than 30 days since ending another investigational device or drug trial(s) or receiving other investigational treatment(s)
Patients not expected to comply with the protocol requirements or not expected to complete the trial as scheduled (e.g. chronic alcohol or drug abuse or any other condition that, in the investigator's opinion, makes the patient an unreliable trial participant)
Further exclusion criteria apply
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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