- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04014530
Pembrolizumab With Ataluren in Patients With Metastatic pMMR and dMMR Colorectal Carcinoma or Metastatic dMMR Endometrial Carcinoma: the ATAPEMBRO Study (ATAPEMBRO)
Study of Pembrolizumab Combined With Ataluren In Patients With Metastatic pMMR and dMMR Colorectal Adenocarcinomas or Metastatic dMMR Endometrial Carcinoma: the ATAPEMBRO Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
In controlling tumor outgrowth an intact immune surveillance is very important. PD-1 receptor-ligand interaction is a major pathway hijacked by tumors to suppress this immune control.
Pembrolizumab is a potent and highly selective humanized monoclonal antibody designed to directly block the interaction between PD-1 and its ligands and is registered for the treatment of advanced (unresectable or metastatic) melanoma of locally advanced or metastatic NSCLC in adults. In an earlier study it's effect has been shown in mismatch repair deficient tumors.
Ataluren is designed to allow the protein making apparatus (the ribosome) in cells to skip over a premature stop codon (PTC), allowing the cells to translate the sequence downstream of a premature termination codon (PTC) in mRNA transcripts. This may result in the translation of additional out-of-frame code, which is available in abundance in dMMR tumors. We argue that this may result in new target peptides for the immune-system to recognize cancer cells.
The investigators hypothesize that the formation of these peptides by Ataluren can enhance the effect of Pembrolizumab anti-PD1 therapy.
Therefore the investigators designed a Single Center, open label, Phase I-II trial designed to test the safety and efficacy of the combination of Ataluren and Pembrolizumab for the treatment of metastatic mismatch repair deficient and proficient colorectal adenocarcinoma and metastatic mismatch repair deficient endometrial carcinoma.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Adriaan D Bins, MD PhD
- Phone Number: 0031205662339
- Email: adbins@amc.uva.nl
Study Contact Backup
- Name: Ide T Spaanderman, MD
- Phone Number: 0031205666776
- Email: i.t.spaanderman@amc.uva.nl
Study Locations
-
-
Noord-Holland
-
Amsterdam, Noord-Holland, Netherlands, 1105 AZ
- Recruiting
- Amsterdam UMC, AMC
-
Contact:
- Adriaan D. Bins, MD PhD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
In order to be eligible for participation in this trial, the subject must:
- Have at least one lesion with measurable disease as defined by 10mm in longest diameter for a soft tissue lesions or 15mm in short axis for a lymph node by RECIST 1.1 and irRC criteria for response assessment.
- Have received at least 1 prior cancer therapy regimen for metastatic CRC, or have refused palliative chemotherapy. In the latter case this should have been documented.
- Have a life expectancy of greater than 3 months.
- Have normal organ and marrow function as defined in protocol
- Be willing and able to provide written informed consent/assent for the trial.
- Be at least 18 years of age on day of signing informed consent.
- Be willing to provide tissue from a newly obtained pre-treatment core or excisional biopsy of a metastatic tumor lesion and the primary tumor lesion (when in place). Subjects for whom newly-obtained samples cannot be provided (e.g. inaccessible by colonoscopy or CT-guided approaches or due to safety concerns) may submit an archived specimen only upon agreement from the Sponsor.
- Be willing to provide tissue post-treatment of a core or excisional biopsy of a metastatic tumor lesion (when still in place) or of the primary tumor (when in place).
- Have a performance status of 0 or 1 on the ECOG Performance Scale.
- Female subject of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
- Male subjects of childbearing potential (Section 4.7.2) must agree to use an adequate method of contraception as outlined in Section 4.7.2- Contraception, starting with the first dose of study therapy through 120 days after the last dose of study therapy.
Subject must be excluded from participating in the trial if the subject:
- Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Subjects with previously treated brain metastases may participate provided they are stable (without evidence of progression by imaging for at least four weeks prior to the first dose of trial treatment and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least 1 week prior to trial treatment.
- Has a history of prior treatment with anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137, anti-OX-40, anti-CD40, or anti-CTLA-4 antibodies.
- Has received growth factors including, but not limited to, granulocyte-colony stimulating factor (G-CSF), granulocyte macrophage-colony stimulating factor (GM-CSF), erythropoietin, etc. within 2 weeks of study drug administration. Use of such agents while on study is also prohibited. Prior use of growth factors should be documented in the patient's medical history.
- Has an uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
- Has a history of any autoimmune disease: Patients with a history of inflammatory bowel disease, including ulcerative colitis and Crohn's Disease, are excluded from this study, as are patients with a history of symptomatic disease (e.g., rheumatoid arthritis, systemic progressive sclerosis [scleroderma], systemic lupus erythematosus, autoimmune vasculitis [e.g., Wegener's Granulomatosis]); CNS or motor neuropathy considered of autoimmune origin (e.g., Guillain-Barre Syndrome and Myasthenia Gravis, multiple sclerosis). Patients with thyroid disease will be allowed. Autoimmune diagnoses not listed here must be approved by the protocol chair.
- Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment.
- Has a known history of active TB (Bacillus Tuberculosis)
- Hypersensitivity to pembrolizumab or ataluren or any of their excipients.
- Has had a prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to agents administered more than 4 weeks earlier.
- Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to study day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to a previously administered agent.
- Has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer.
- Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
- Has known history of, or any evidence of active, non-infectious pneumonitis.
- Has an active infection requiring systemic therapy.
- Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.
- Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
- Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment.
- Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
- Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected).
- Has received a live vaccine within 30 days of planned start of study therapy.
- Has received amino glucoside antibiotics within 3 days of planned start of study therapy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Phase I dMMR and pMMR
2-4 groups of 3 patients treatment with 200mg i.v.
Pembrolizumab q3w and dose escalation of Ataluren in order to determine the Ataluren MTD.
These patients can either be pMMR/dMMR CRC and dMMR EC patients.
|
Ataluren and Pembrolizumab combination therapy
|
Experimental: Phase II dMMR
Mismatch repair deficient CRC or EC patients treated with 200mg i.v.
pembrolizumab q3w and Ataluren at MTD.
|
Ataluren and Pembrolizumab combination therapy
|
Experimental: Phase II pMMR
Mismatch repair proficient CRC patients treated with 200mg i.v.
pembrolizumab q3w and Ataluren at MTD.
|
Ataluren and Pembrolizumab combination therapy
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of treatment-Emergent Adverse Event and the determination of the maximum tolerable dose of Ataluren.
Time Frame: Initial dose escalation for Ataluren for first 12 pt in groups of 3, which will approximately take 1 year. All adverse events will be further reported at study compeltion: expected to be after 2 years
|
To characterize toxicities and side effects of Ataluren when combined with pembrolizumab in patients with pMMR CRC, dMMR mCRC and dMMR EC.
Recorded on Adverse Events form and ranking adverse event severity according to the NCI Common Terminology Criteria for Adverse Events v3.0
|
Initial dose escalation for Ataluren for first 12 pt in groups of 3, which will approximately take 1 year. All adverse events will be further reported at study compeltion: expected to be after 2 years
|
Objective response rate
Time Frame: 30 weeks
|
Measured by immune-related response criteria
|
30 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Immune-related progression free survival
Time Frame: 21 weeks and 30 weeks
|
irPFS
|
21 weeks and 30 weeks
|
Overall survival
Time Frame: trough study completion: expected after 2 years.
|
OS
|
trough study completion: expected after 2 years.
|
Progression free survival
Time Frame: at 30 weeks
|
non immune related PFS
|
at 30 weeks
|
Overall response rate
Time Frame: trough study completion: expected after 2 years.
|
ORR
|
trough study completion: expected after 2 years.
|
Historic case matching
Time Frame: trough study completion: expected after 2 years
|
Historic case-matched controls from the MK-3475-016 study (ClinicalTrials.gov
Identifier NCT01876511) and the MK-3475-177 study (ClnicalTrials.gov
Identifier NCT02563002).
Case-matching based on overall survival and immune-related response rate.
|
trough study completion: expected after 2 years
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sequencing data comparison before and after treatment
Time Frame: trough study completion: expected after 4 years.
|
mRNA and DNA sequencing measurements from normal blood, tumor, metastatic and polyp tissue: outcome measure will be mutations in DNA and RNA.
|
trough study completion: expected after 4 years.
|
Identification of prediction biomarkers
Time Frame: trough study completion: expected after 4 years.
|
Biomarker measurements from normal blood: CEA and neoantigens (peptides)
|
trough study completion: expected after 4 years.
|
T-cell activation against neo-antigens
Time Frame: trough study completion: expected after 4 years.
|
Elispot assays from PBMCs derived from patient blood samples to check for IFN-gamma production after peptide stimulation
|
trough study completion: expected after 4 years.
|
Collaborators and Investigators
Investigators
- Study Director: Punt, Prof., Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
- Principal Investigator: Adriaan D Bins, MD PhD, Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- NL64152.018.18
- 2017-004752-34 (EudraCT Number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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