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Efficacy and Safety of BG-C9074 With Bevacizumab Compared With Bevacizumab in Adults With Ovarian, Fallopian Tube, or Primary Peritoneal Cancers

3. September 2026 aktualisiert von: BeOne Medicines

A Phase 3, Open-label, Multicenter, Randomized Study of BG-C9074 With Bevacizumab Versus Bevacizumab as First-line Maintenance Therapy for Patients With Epithelial Ovarian, Fallopian Tube, or Primary Peritoneal Cancers Who Have Not Progressed After First-line Platinum-based Chemotherapy Plus Bevacizumab (Starstone-Ovarian 301/GOG-3144/ENGOT-ov108/APGOT-OV29)

The purpose of this study is to evaluate the safety and efficacy of BG-C9074 with bevacizumab (Arm A) versus bevacizumab monotherapy (Arm B) in adults with epithelial ovarian, fallopian tube, or primary peritoneal cancers who have not progressed after firstline platinum-based chemotherapy plus bevacizumab.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Ovarian cancer is a disease where abnormal cells in the ovaries or fallopian tubes grow out of control and form tumors. Common early signs include belly bloating, pelvic or back pain, feeling full quickly when eating, and frequent urination.

BG-C9074 is a targeted cancer medicine called an antibody-drug conjugate (ADC). ADC consists of an antibody linked to a drug that can kill cancer cells. The antibody part of BG-C9074 specifically attaches to a protein called B7-H4 that is found on the surface of cancer cells. After it attaches to B7-H4, BG-C9074 enters the cancer cell where the drug causes DNA damage and cell death. Bevacizumab is an approved medicine used to treat these cancers along with chemotherapy. It works by cutting off the blood supply that helps the tumor grow, which may help keep the cancer under better control.

The purpose of this study is to test if BG-C9074 is safe and effective in women with advanced epithelial ovarian, fallopian tube or primary peritoneal cancer when it is given in combination with bevacizumab as a first-line maintenance treatment.

This study has 2 treatment groups. Participants will be randomly assigned (by chance, like flipping a coin) to receive one of the treatments listed below:

  • Arm A: BG-C9074 + Bevacizumab
  • Arm B: Bevacizumab

This study will enroll approximately 600 participants. The overall time to participate in this study may be up to 5 years. Participants will make regular visits to the clinic for treatment, health checks, blood tests, and for tumor and imaging tests.

Studientyp

Interventionell

Einschreibung (Geschätzt)

600

Phase

  • Phase 3

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  1. Able to provide a signed and dated written informed consent prior to any study-specific procedures, sampling, or data collection.
  2. Eastern Cooperative Oncology Group (ECOG) Performance Status ≤ 1.
  3. Participants must have a histologically confirmed diagnosis of epithelial high-grade ovarian, fallopian tube or primary peritoneal carcinoma (serous, endometrioid, or clear cell).
  4. Participants are newly diagnosed International Federation of Gynecology and Obstetrics (FIGO) stage III or IV and have received primary debulking surgery or interval debulking surgery.
  5. Participants must have adequate organ function.
  6. Women of childbearing potential must be willing to use a highly effective method of birth control and agree not to donate eggs (ova, oocytes) or freeze/store eggs for the duration of the study and for ≥ 7 months after the last dose of study treatment.

Exclusion Criteria:

  1. Participants have ovarian, fallopian tube, or peritoneal cancer of nonepithelial origin.
  2. Participants have either a germline or somatic BReast CAncer gene (BRCA) mutation as per local test.
  3. Participants who will receive poly-adenosine diphosphate ribose polymerase (PARP) inhibitor as maintenance therapy per standard of care and investigator discretion.
  4. Participants have a history of allergic reactions or hypersensitivity to the active ingredients and excipients of the drug products and other monoclonal antibodies.
  5. Participants had previous transient ischemic attack, cerebrovascular accident, or subarachnoid hemorrhage within 6 months prior to randomization
  6. Participants have evidence of bleeding diathesis or significant coagulopathy (in the absence of anticoagulation therapy).

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Arm A: BG-C9074 + Bevacizumab
BG-C9074 will be administered first, followed by bevacizumab.
Administered by Intravenous infusion
Administered by Intravenous infusion
Aktiver Komparator: Arm B: Bevacizumab
Bevacizumab will be administered alone.
Administered by Intravenous infusion

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Progression-Free survival (PFS) assessed by Blinded Independent Central Review (BICR)
Zeitfenster: Up to 5 years
PFS is defined as the time from randomization to the date of disease progression by BICR based on Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 or death, whichever occurs first.
Up to 5 years

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Overall Survival (OS)
Zeitfenster: Up to 5 years
OS is defined as the time from randomization to death due to any reason.
Up to 5 years
PFS, as Assessed by Investigator
Zeitfenster: Up to 5 years
PFS is defined as time from randomization to the date of disease progression by Investigator based on RECIST v1.1 or death, whichever occurs first.
Up to 5 years
PFS2, as Assessed by Investigator
Zeitfenster: Up to 5 years
PFS2, as assessed by investigator, is defined as time from randomization to the documented disease progression on first subsequent systemic therapy by Investigator or death due to any cause, whichever occurs first.
Up to 5 years
Time to Next Treatment
Zeitfenster: Up to 5 years
Time to next treatment is defined as the time from randomization to the start of the first subsequent anticancer therapy after discontinuation of randomized treatment, or death due to any cause.
Up to 5 years
Number of Participants with Treatment-Emergent Adverse Events, Treatment-Related Adverse Events, and Serious Adverse Events
Zeitfenster: From first dose of study drug up to 30 days after last dose, up to 24 months

An adverse event is defined as any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study treatment, whether considered related to study treatment or not.

A serious adverse event is any untoward medical occurrence that, at any dose, meets one or more of the criteria listed in the view of either the investigator or the Sponsor:

  1. Results in death
  2. Is life-threatening
  3. Requires inpatient hospitalization or prolongation of existing hospitalization
  4. Results in persistent or significant disability/incapacity
  5. Is a congenital anomaly/birth defect
From first dose of study drug up to 30 days after last dose, up to 24 months
Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ) - F17 Global Health Status/Quality of Life (GHS/QoL), Role Functioning, and Physical Functioning Domain Scores
Zeitfenster: Baseline and up to approximately 2 years
The EORTC QLQ-F17 is a 17-item questionnaire that covers GHS/QoL and five functional scales (Physical, Role, Emotional, Cognitive, and Social). All items are scored on a 4-point - Likert scale (1 = "Not at all"; 4 = "Very much"), except the two items of the GHS/QoL-scale that are scored on a 7-point scale (1 = "Very poor"; 7 = "Excellent"). Scores are averaged and transformed to a 0 to 100 scale. Higher scores in GHS/QoL and functional scales indicate better health-related quality of life (HRQoL).
Baseline and up to approximately 2 years
Change from Baseline in EORTC QLQ -Ovarian Cancer Module (OV28) Abdominal/GI Symptoms Domain Score
Zeitfenster: Baseline and up to approximately 2 years
The EORTC QLQ-OV28 includes a 28-item questionnaire for evaluating ovarian cancer-specific symptoms and concerns in participants of cancer clinical studies. These include items that assess symptoms in the abdominal/gastrointestinal domain. Scores are averaged and transformed to a 0 to 100 scale; higher scores indicate a greater symptom burden, while lower scores reflect fewer symptoms.
Baseline and up to approximately 2 years
Time to Deterioration (TTD) of GHS/QoL, Role Functioning, and Physical Functioning Domain Scores as Measured via EORTC QLQ - F17
Zeitfenster: Up to 5 years
TTD of GHS/QoL is defined as the time from the date of randomization to the first confirmed clinically meaningful deterioration on the abdominal/gastrointestinal symptom domain of the EORTC QLQ-F17.
Up to 5 years
Time to deterioration (TTD) of Abdominal/GI Symptoms as Measured via EORTC QLQ - OV28
Zeitfenster: Up to 5 years
TTD of Abdominal/GI Symptoms is defined as the time from the date of randomization to the first confirmed clinically meaningful deterioration on the abdominal/gastrointestinal symptom domain of the EORTC QLQ-OV28.
Up to 5 years

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Mitarbeiter

Ermittler

  • Studienleiter: Study Director, BeOne Medicines

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. Oktober 2026

Primärer Abschluss (Geschätzt)

30. November 2029

Studienabschluss (Geschätzt)

31. März 2033

Studienanmeldedaten

Zuerst eingereicht

3. September 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

3. September 2026

Zuerst gepostet (Tatsächlich)

10. September 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

10. September 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

3. September 2026

Zuletzt verifiziert

1. September 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • BG-C9074-301
  • 2026-527172-84-00 (Ctis)
  • GOG-3144 (Andere Kennung: Gynecologic Oncology Group (GOG))
  • ENGOT-ov108 (Andere Kennung: European Network of Gynaecological Oncological Trial Groups (ENGOT))
  • APGOT-OV29 (Andere Kennung: Asia-Pacific Gynecologic Oncology Trials Group (APGOT))

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

JA

Beschreibung des IPD-Plans

BeOne shares data on completed studies responsibly and provides qualified scientific and medical researchers access to data and supporting documentation for clinical trials in dossiers for medicines and indications after submission and approval in the United States, China, and Europe. Clinical trials supporting subsequent local approvals, new indications, or combination products are eligible for sharing once corresponding regulatory approvals are achieved.

BeOne shares data only when permitted by applicable data privacy and security laws and regulations, when it is feasible to do so without compromising the privacy of study participants, and other considerations.

Qualified researchers with appropriate competencies who are engaged in novel scientific research may submit a request for participant-level data with a research proposal for BeOne review. Research teams must include a biostatistician and sign a Data Sharing Agreement prior to receiving access to clinical trial data.

IPD-Sharing-Zeitrahmen

See plan description

IPD-Sharing-Zugriffskriterien

See plan description

Art der unterstützenden IPD-Freigabeinformationen

  • STUDIENPROTOKOLL
  • SAFT
  • CSR

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Ja

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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