E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
|
E.1.1.1 | Medical condition in easily understood language |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10028982 |
E.1.2 | Term | Neoplasm biliary tract |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10073077 |
E.1.2 | Term | Intrahepatic cholangiocarcinoma |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10074879 |
E.1.2 | Term | Extrahepatic cholangiocarcinoma |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10017614 |
E.1.2 | Term | Gallbladder cancer |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10034442 |
E.1.2 | Term | Periampullary carcinoma metastatic |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10034443 |
E.1.2 | Term | Periampullary carcinoma non-resectable |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10034445 |
E.1.2 | Term | Periampullary carcinoma recurrent |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Open-label Safety Run-in: To assess if bintrafusp alfa 2400 mg Q3W in combination with gemcitabine and cisplatin is safe and tolerable and to confirm this dose as the recommended Phase II dose for the randomized, double-blind part of the study
Randomized, Double-blind Part: To assess Overall Survival (OS) with bintrafusp alfa in combination with gemcitabine plus cisplatin versus placebo with gemcitabine plus cisplatin in participants with advanced or metastatic BTC who have not received chemotherapy/immunotherapy in the advanced/metastatic setting |
|
E.2.2 | Secondary objectives of the trial |
Open-label, safety Run-in
•To assess the safety profile of bintrafusp alfa in combination with gemcitabine and cisplatin
Randomized, Double-blind Part
• To assess PFS
•To assess ORR
•To assess DOR
•To assess DRR
•To assess the safety profile of bintrafusp alfa or placebo in combination with gemcitabine plus cisplatin
•To characterize the PK profile of bintrafusp alfa
•To evaluate the immunogenicity of bintrafusp alfa and to correlate it to exposure |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Patients aged ≥ 18 years of age at the time of signing the informed consent.
2. Participants with histologically or cytologically confirmed locally advanced or metastatic BTC, including intrahepatic CCA, extrahepatic CCA, gallbladder cancer and ampulla of Vater’s cancer. The histological origin of ampullary carcinomas (intestinal, pancreaticobiliary, or other) will be collected.
3. Naïve to chemotherapy, immunotherapy, and interventional radiological treatment (transarterial chemo-embolization, transarterial embolization, transarterial infusion) for locally advanced or metastatic BTC. Participants whose disease has recurred ≥ 6 months after completion of neoadjuvant or adjuvant treatments will be considered eligible.
4. Availability of tumor tissue (primary or metastatic) (fresh or archival biopsies) before the first administration of study intervention. Availability of tumor tissue is mandatory except for the safety run-in part. Brush cytology, and cell blocks are not acceptable. Tumor tissue (fresh or archival) must be suitable for biomarker assessment as described in the Laboratory Manual.
5. At least 1 measurable lesion according to RECIST 1.1. Participants in the safety run-in part do not require a measurable lesion at baseline.
6. ECOG PS of 0 or 1 at study entry and at Week 1, Day 1 prior to dosing.
7. Life expectancy of ≥ 12 weeks, as judged by the Investigator.
8. Adequate hematological function defined by white blood cell count ≥ 2.0 × 10^9/Lwith absolute neutrophil count ≥ 1.5 × 10^9/L, lymphocyte count ≥ 0.5 × 10^9/L, platelet count ≥ 100 × 10^9/L, and hemoglobin (Hgb) ≥ 9 g/dL (participants may have been transfused) at study entry and at Week 1 Day 1 prior to dosing. Previously transfused participants are allowed in the study with a stable Hgb of ≥ 9 g/dL at the time of study entry.
9. Adequate hepatic function defined by a total bilirubin level ≤ 1.5 × upper limit of normal (ULN), an aspartate aminotransferase level ≤ 3.0 × ULN, and an alanine aminotransferase level ≤ 3.0 × ULN. For participants with liver involvement, aspartate aminotransferase ≤ 5.0 × ULN and alanine aminotransferase ≤ 5.0 × ULN are acceptable.
10. Adequate renal function defined by an estimated creatinine clearance (CrCl) > 50 mL/min according to the Cockcroft-Gault formula or by measure of CrCl from 24-hour urine collection.
CrCl (mL/min) = (140-age) × weight (kg) / (72 × serum creatinine [Crjaffe])
If female, × 0.85
If creatinine is measured by the enzymatic method, add 0.2 and use as Crjaffe = 0.2 + Crenzyme.
11. Albumin ≥ 2.8 g/dL.
12. Adequate coagulation function defined as prothrombin time or international normalized ratio ≤ 1.5 × ULN unless the participant is receiving anticoagulant therapy.
13. Hepatitis B virus (HBV) deoxyribonucleic acid (DNA) positive participants must be treated and on a stable dose of antivirals (e.g., entecavir, tenofovir, or lamivudine; adefovir or interferon is not allowed) at study entry and with planned monitoring and management including baseline HBV DNA quantity according to appropriate labeling guidance. Participants receiving active hepatitis C virus (HCV) therapy must be on a stable dose at study entry and with planned monitoring and management according to appropriate labeling guidance of approved antiviral. |
|
E.4 | Principal exclusion criteria |
1. Previous and/or intercurrent cancers. With the exception of: curatively-treated cancers with no recurrence in > 3 years or early cancers treated with curative intent, including but not limited to cervical carcinoma in situ, superficial, noninvasive bladder cancer, basal cell carcinoma, squamous cell carcinoma in situ, or endoscopically resected gastrointestinal cancers limited in mucosal layer.
2. Rapid clinical deterioration not related to malignancy which, in the opinion of the Investigator, may predispose to inability to tolerate treatment or study procedures at study entry and at Week 1 Day 1 prior to dosing.
3. Participants with symptomatic central nervous system (CNS) metastases are excluded. Participants with a history of treated CNS metastases (by surgery or radiation therapy) are not eligible unless they are judged to have fully recovered from treatment.
4. Receipt of any organ transplantation, including allogeneic stem-cell transplantation, but with the exception of transplants that do not require immunosuppression (e.g., corneal transplant, hair transplant).
5. Significant acute or chronic infections including:
- Known history of positive test for HIV or known acquired immunodeficiency syndrome
- Active tuberculosis (presence of clinical symptoms, physical or radiographic findings of active tuberculosis).
- Uncontrolled biliary infection. Biliary tract obstruction should be released by stenting or percutaneous transhepatic biliary drainage (PTBD).
- Active bacterial, fungal or viral infection (with the exception of hepatitis B and hepatitis C) requiring systemic therapy at study entry and at Week 1 Day 1 prior to dosing.
6. Active autoimmune disease that might deteriorate when receiving an immunostimulatory agent:
- Participants with type 1 diabetes, vitiligo, alopecia, psoriasis, hypo- or hyperthyroid disease not requiring immunosuppressive treatment are eligible.
- Participants requiring hormone replacement with corticosteroids are eligible if the steroids are administered only for the purpose of hormonal replacement and at doses ≤ 10 mg of prednisone or equivalent per day.
- Administration of steroids for other conditions through a route known to result in a minimal systemic exposure (topical, intranasal, intra-ocular, or inhalation) is acceptable.
7. History of, or concurrent, interstitial lung disease.
8. Known history of hypersensitivity reactions to bintrafusp alfa or its products or known severe hypersensitivity reactions to monoclonal antibodies (Grade ≥ 3 NCI-CTCAE] Version 5.0), any history of anaphylaxis, or recent (within 5 months) history of uncontrolled asthma.
9. Clinically significant cardiovascular/cerebrovascular disease as follows: cerebral vascular accident/stroke (< 6 months prior to enrollment), myocardial infarction (< 6 months prior to enrollment), unstable angina, congestive heart failure (New York Heart Association Classification ≥ Class II), or serious cardiac arrhythmia.
10. Other severe, acute, or chronic medical conditions, including immune colitis, inflammatory bowel disease, immune pneumonitis, or psychiatric conditions, including recent (within the past year) or active suicidal ideation or behavior.
11. Chronic obstructive pulmonary disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy within 30 days before randomization.
12. Participants who are candidates for liver transplantation and who can receive the transplantation within a medically acceptable period.
13. Concurrent treatment with nonpermitted drugs. Participants who have completed prior adjuvant therapy > 6 months prior to randomization are eligible.
14. Prior therapy with any antibody/drug targeting T-cell coregulatory proteins (immune checkpoints), including but not limited to anti-PD-1, anti-PD-L1, anti-cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) antibody, or anti-4-1BB antibody is not allowed, inclusive of localized administration of such agents.
15. Prior therapy with any antibody/drug targeting TGFβ/TGFβ receptor.
16. Radiation within 28 days other than focal palliative bone-directed radiotherapy.
17. Systemic therapy with immunosuppressive agents within 7 days before the start of study intervention; or use of any investigational drug within 28 days before the start of study intervention.
18. Live vaccine administration within 4 weeks of study intervention administration.
19. Participation in any concurrent interventional clinical study.
20. Unable to tolerate CT or magnetic resonance imaging (MRI) in the opinion of the Investigator and/or allergy to contrast material.
21. Major surgery within 28 days before the start of study intervention (excluding prior diagnostic biopsy and stenting/PTBD for the purpose of releasing biliary tract obstruction).
22. Pregnancy or breastfeeding.
23. Known alcohol or drug abuse.
24. Legal incapacity or limited legal capacity. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Open-label Safety Run-in
Occurrence of DLTs during the DLT evaluation period
Randomized, Double-blind Part
Overall Survival |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
Open-label Safety Run-in
From the Occurrence of DLTs during the DLT evaluation period
Randomized, Double-blind Part
• Interim analysis at the data cutoff date of 63% of OS events for the primary analysis (210/334 events), expected at 27 months after randomization
• Primary analysis when the target number of 334 OS events have occurred in a total of 500 participants, expected at 40 months after randomization of the first participant
|
|
E.5.2 | Secondary end point(s) |
Open-label Safety Run-in
Occurrence of TEAEs and treatment-related AEs
Occurrence of abnormalities (Grade ≥ 3) in laboratory tests
Randomized, Double-blind Part
1. PFS according to RECIST 1.1 as assessed by the investigator
2. Confirmed objective response according to RECIST 1.1 as assessed by the investigator
3. DOR assessed by confirmed complete response or partial response until death or progression of disease according to RECIST 1.1 as assessed by the investigator
4. Durable confirmed response of at least 6 months according to RECIST 1.1 as assessed by the investigator
5. Occurrence of TEAEs and treatment-related AEs, including adverse events of special interest
6. PK profile of bintrafusp alfa in terms of Ceoi and Ctrough for participants in the bintrafusp alfa arm.
PK profile of bintrafusp alfa in terms of AUC0-t, AUC0-∞, Cmax, tmax, and t½ for participants in the safety run-in part of the study only
7. Immunogenicity as measured by antidrug antibody assays at baseline and on-treatment for participants in the bintrafusp alfa arm |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
Open-label Safety Run-in
Multiple and variable timepoints throughout the study - please refer to protocol
Randomized, Double-blind Part
Items 1 - 5: Multiple and variable timepoints throughout the study - please refer to protocol
Items 6 and 7 - multiple timepoints throughout study, please see Protocol table 4, (Schedule of Activities for Biomarkers, PK, and Immunogenicity Sampling: Randomized, Double-blind Part) page 29/ 168
|
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 5 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 33 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Argentina |
Australia |
Brazil |
Chile |
China |
France |
Germany |
Japan |
Korea, Republic of |
Poland |
Spain |
Taiwan |
United Kingdom |
United States |
|
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
The end of the study is defined as the date of the data cutoff for the primary OS analysis when 334 participants have died. However, if the study does not expand into Phase III but continues as a Phase II study, the end of study is defined accordingly, as the data cutoff date for the primary OS analysis when 60% participants have died.
|
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 3 |
E.8.9.1 | In the Member State concerned months | 9 |
E.8.9.1 | In the Member State concerned days | 8 |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 9 |
E.8.9.2 | In all countries concerned by the trial days | 8 |