Overview
Sponsor-declared trial summary
Glioblastoma Multiforme
To evaluate the short-term and longer-term safety, tolerability, and effectiveness of neoadjuvant and adjuvant Pembrolizumab on top of standard therapy (Stupp protocol) in patients with Glioblastoma Multiforme (GBM).
Key facts
- Sponsor
- Medical University Of Silesia Katowice Poland
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Immune System Diseases [C20]
- Trial duration
- 24 Aug 2022 → ongoing
- Decision date (initial)
- 2024-11-05
- Transition trial
- Yes
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- Yes
- Funding sources
- Agencja Badań Medycznych
External identifiers
- EU CT number
- 2024-517535-52-00
- EudraCT number
- 2020-006143-26
- ClinicalTrials.gov
- NCT05235737
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Efficacy, Safety
To evaluate the short-term and longer-term safety, tolerability, and effectiveness of neoadjuvant and adjuvant Pembrolizumab on top of standard therapy (Stupp protocol) in patients with Glioblastoma Multiforme (GBM).
Conditions and MedDRA coding
Glioblastoma Multiforme
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.0 | SOC | 10029104 | Neoplasms benign malignant and unspecified (incl cysts and polyps) | 2 |
Study design 6 periods
| # | Title | Allocation | Blinding | Roles blinded | Arms |
|---|---|---|---|---|---|
| 1 | SCREENING The screening period will last up to 4 weeks (≤28 days). The screening period starts on the date when patient signs the Informed Consent Form. Location of performing procedures: 1st location – WSS 5 w Sosnowcu
|
Not Applicable | None | ||
| 2 | RANDOMIZATION Patients that under go screening procedures and qualify to the study will be randomized to one of three treatment arms through central randomization process. Day 0.
|
Randomised Controlled | None | Treatment arm 1: n=12 evaluable patients – neoadjuvant Pembrolizumab (2 doses, 200mg each) plus adjuvant Pembrolizumab (16 cycles q3w, 200mg each) on top of standard chemo-radiotherapy (Stupp protocol: radiotherapy 60Gy over 6 weeks, 2 Gy per daily fraction Mo-Fri setting plus Temozolomide 75mg/m2 of body surface area (BSA) daily during radiotherapy and six cycles post-radiotherapy of 150-200mg/m2 for 5 days in each 28-day cycle) Treatment arm 2: n=12 evaluable patients – neoadjuvant Pembrolizumab (2 doses, 200mg each) on top of standard chemo-radiotherapy (Stupp protocol: radiotherapy 60Gy over 6 weeks, 2 Gy per daily fraction Mo-Fri setting plus Temozolomide 75mg/m2 BSA daily during radiotherapy and six cycles post-radiotherapy of 150-200mg/m2 for 5 days in each 28-day cycle) Treatment arm 3: n=12 evaluable patients – standard chemo-radiotherapy (Stupp protocol: radiotherapy 60Gy over 6 weeks, 2 Gy per daily fraction Mo-Fri setting plus Temozolomide 75mg/m2 BSA daily during radiotherapy and six cycles post-radiotherapy of 150-200mg/m2 for 5 days in each 28-day cycle ) |
|
| 3 | Induction period (treatment visits - pre-surgery) Patients randomized to treatment arm 1 and 2 will receive pre-surgery neoadjuvant Pembrolizumab therapy of two infusions, on day 4 (28 days before surgery) and day 18 (14 days before surgery). Patients randomized to treatment arm 3 will not receive neoadjuvant therapy.
Location of performing procedures: 1st location – WSS5 W Sosnowcu; 2nd location – NIO oddział w Gliwicach.
|
Randomised Controlled | None | Treatment arm 1: will receive pre-surgery neoadjuvant Pembrolizumab therapy of two infusions, on day 4 (28 days before surgery) and day 18 (14 days before surgery). Treatment arm 2: will receive pre-surgery neoadjuvant Pembrolizumab therapy of two infusions, on day 4 (28 days before surgery) and day 18 (14 days before surgery). Treatment arm 3: Patients randomized to treatment arm 3 will not receive neoadjuvant therapy |
|
| 4 | Hospital Admission and Tumor resection Patients will be admitted to Neurosurgery ward in WSS no. 5 in Sosnowiec for tumor resection - patients randomized to arms 1& 2 will undergo surgery on day 32 and patients randomized to arm 3 - on day 20
|
Randomised Controlled | None | Treatment arm 1: Patients will undergo surgery - tumor resection on day 32 Treatment arm 2: Patients will undergo surgery - tumor resection on day 32 Treatment arm 3: Patients will undergo surgery - tumor resection on day 20 |
|
| 5 | Treatment period - post surgery Patients randomized to treatment arm 1 will receive post surgery adjuvant Pembrolizumab therapy on top of standard of care Stupp protocol. Patients randomized to treatment arm 2 and 3 will undergo only standard of care Stupp protocol.
Location of performing procedures: 1st location – WSS5 W Sosnowcu; 2nd location – NIO oddział w Gliwicach.
|
Randomised Controlled | None | Treatment arm 1: 16 cycles of adjuvant pembrolizumab administration q3w 200mg each + SoC Stupp Protocol: 6 weeks of radiotherapy (total of 60Gy) + temozolomide 75mg/m2 BSA during radiotherapy + 6 cycles post radiotherapy 150 200mg/m2 BSA for 5 days in each 28 day cycle (weeks 4 to 49 post-surgery) Treatment arm 2: SoC Stupp Protocol: 6 weeks of radiotherapy (total of 60Gy) + temozolomide 75mg/m2 BSA during radiotherapy + 6 cycles post radiotherapy 150 200mg/m2 BSA for 5 days in each 28 day cycle (weeks 4 to 46 post surgery) Treatment arm 3: SoC Stupp Protocol: 6 weeks of radiotherapy (total of 60Gy) + temozolomide 75mg/m2 BSA during radiotherapy + 6 cycles post radiotherapy 150 200mg/m2 BSA for 5 days in each 28 day cycle (weeks 4 to 46 post surgery) |
|
| 6 | Follow-up All patients will enter follow up period starting from week 58, with visit frequency every 3 months.
Location of performing procedures: 2nd location – NIO oddział w Gliwicach.
|
Randomised Controlled | None | Treatment arm 1: Follow up visits will take place on week 58, 70, 82, 94, 106, 118, 130 post surgery. Treatment arm 2: Follow up visits will take place on week 58, 70, 82, 94, 106, 118, 130 post surgery. Treatment arm 3: Follow up visits will take place on week 58, 70, 82, 94, 106, 118, 130 post surgery. |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 11
- Signed Informed Consent Form
- Age ≥ 18 years
- Age ≤70 years
- Able to comply with the study protocol in the investigator’s judgment
- Clinically and radiologically (contrast CT, full profile MRI – T1-weighted with or without contrast, T2-weighted, FLAIR, DWI, PWI, MR-spectroscopy) confirmed diagnosis of GBM, localized outside eloquent brain areas
- Resectable tumor
- Fully physically active ≥80 points in Karnofsky performance scale
- Life expectancy of at least 3 months
- Adequate organ function (confirmed within 1 weeks before enrollment):a) Hemoglobin ≥ 9g/dL , b) Absolute Neutrophils Count (ANC) ≥1.5×10^9/L, c) White Blood Cells (WBC) count ≥3×10^9/L, d) Platelets (PTL) ≥ 100×10^9/L, e) AST/ALT ≤2.5×ULN, f) Serum creatinine (S-Cr) ≤ ULN, g) Glomerular Filtration Rate (GFR) ≥50mL/min, h) Albumin ≥ LLN , i) Bilirubin ≤ 1.5 ULN (except patients with documented Gilbert’s Syndrome, who must present adequate level of direct bilirubin),j) International normalized ratio (INR) and activated partial thromboplastin time (aPTT) ≤ 1.5×ULN. (Elevation of INR and aPTT due to administration of anticoagulation drugs is not a contraindication for the enrollment. However, it must return to normal range prior to surgery).
- For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use double barrier contraceptive methods that result in a failure rate of < 1% per year during the treatment period and for at least 120 days after the last immuno-PET imaging.
- For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use double barrier contraceptive methods that result in a failure rate of < 1% per year during the treatment period and for at least 120 days after the last immuno-PET imaging.
Exclusion criteria 23
- Any active concomitant malignancy, except: a. Locally treated basal or squamous cell carcinoma b. Cervical carcinoma in situ c. Breast cancer in situ d. Bladder cancer in situ e. Low grade prostate cancer (under observation with PSA level in normal range)
- Any previous systemic cancer treatment, including, but not limited to: a. Radiotherapy b. Brachytherapy for brain tumor c. Chemotherapy d. Carmustine wafer treatment (Gliadel®) e. Any immune checkpoint inhibitor therapy or any anticancer vaccination
- Hypersensitivity or allergy to any substance with similar action mechanism to Pembrolizumab, Atezolizumab, Temozolomide, other monoclonal antibodies or contrast agents
- Any active immunosuppressive systemic therapy (except corticosteroids less or equal to 12mg of dexamethasone equivalent; the dose of dexamethasone should be kept as low as possible throughout the whole duration of this trial)
- Any active autoimmune disease or systemic therapy for autoimmune disease within 2 years before enrollment
- History of any immunodeficiency
- Active infection
- Significant cardiovascular disease, such as New York Heart Association cardiac disease ≥ Class III, myocardial infarction within 3 months, coronary artery disease, unstable arrhythmias or unstable angina
- Active liver disease, hepatitis, HBV or HCV infection
- History of tuberculosis
- Any mental disorder that may affect patient's participation
- Any drug or psychoactive substance dependence
- Evidence of significant uncontrolled concomitant disease that could affect compliance with the protocol
- Treatment with any other investigational agent or participation in another clinical trial with therapeutic intent within 28 days prior to study treatment initiation
- Major surgical procedure within 4 weeks prior to study enrollment or anticipation of need for a major surgical procedure during the course of the study other than for diagnosis
- Any live vaccination within 30 days before enrollment
- Any active immunosuppressive systemic infection including history of human immunodeficiency virus (HIV) infection
- Body mass index (BMI) ≥ 35 kg/m2
- Pregnant or lactating or intending to become pregnant during the study – women who are not postmenopausal (postmenopausal defined as ≥ 12 months of non-drug-induced amenorrhea) or surgically sterile must have a negative serum pregnancy test result within 2 weeks prior to initiation of study treatment
- Any condition that the patient's physician determines to be detrimental to the patient participating in this study; including any clinically important deviations from normal clinical laboratory values or concurrent medical events
- Inability to understand the local language for use of the patient QoL instruments
- Tumor other than glioblastoma grade 4 IDH-wildtype, astrocytoma grade 3 or 4 IDH-mutant identified in post-surgery histopathology.
- Presence of 1p19q codeletion
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 2
- Safety and tolerability – incidence of Adverse Events (AEs) and Serious Adverse Events (SAEs) related and unrelated with Pembrolizumab
- Patient-Reported Outcomes to evaluate health status and Quality of Life (QoL) instruments for patients with GBM: Eastern Cooperative Oncology Group (ECOG) status - Karnofsky Performance Status (KPS), - EORTC: QLQ-BN20 (brain), and QLQ-C30 (general cancer questionnaire).
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
KEYTRUDA 25 mg/mL concentrate for solution for infusion
PRD4323105 · Product
- Active substance
- Pembrolizumab
- Substance synonyms
- Lambrolizumab, MK-3475, SCH-900475, BAT3306, Pabolizumab, FYB206, ABP 234
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENIOUS INFUSION
- Max daily dose
- 200 mg milligram(s)
- Max total dose
- 200 mg milligram(s)
- Max treatment duration
- 48 Week(s)
- Authorisation status
- Authorised
- ATC code
- L01FF02 — -
- Marketing authorisation
- EU/1/15/1024/002
- MA holder
- MERCK SHARP & DOHME B.V.
- MA country
- EU
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Medical University Of Silesia Katowice Poland
- Sponsor organisation
- Medical University Of Silesia Katowice Poland
- Address
- Ul. Ksiecia Jozefa Poniatowskiego 15
- City
- Katowice
- Postcode
- 40-055
- Country
- Poland
Scientific contact point
- Organisation
- Medical University Of Silesia Katowice Poland
- Contact name
- Clinical trial information desk
Public contact point
- Organisation
- Medical University Of Silesia Katowice Poland
- Contact name
- Clinical trial information desk
Third parties 1
| Organisation | City, country | Duties |
|---|---|---|
| Clinical Consulting Sp. z o.o. ORG-100046287
|
Tychy, Poland | On site monitoring, Code 10, Code 12, Code 5, Data management, E-data capture, Code 8, Code 9 |
Locations
1 EU/EEA country · 2 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Poland | Ongoing, recruiting | 36 | 2 |
| Rest of world | — | 0 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| Poland | 2022-08-24 | 2022-08-24 |
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 5 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol_20245175355200_redacted | 4 |
| Recruitment arrangements (for publication) | K1_Recruitment arrangements_Placeholder_2024-517535-52-00 | 1 |
| Subject information and informed consent form (for publication) | L1_ICF_PL_redacted | 4 |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC_Keytruda | 1 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis_PL_20245175355200_redacted | 4 |
Application history
2 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2024-09-12 | Poland | Acceptable 2024-10-30
|
2024-11-05 |
| 2 | NON SUBSTANTIAL MODIFICATION | NSM-1 | 2025-11-21 | Poland | Acceptable 2024-10-30
|
2025-11-21 |