- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04160546
Study to Evaluate the Reinduction and Second Stop of TKI With Ponatinib in CML in Molecular Response (ResToP) (ResToP)
Multicenter, Open-Label, Single Arm, Phase II Exploratory Study to Evaluate the Reinduction and Second Stop of TKI With Ponatinib in CML in Molecular Response (ResToP)
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Ana Moreno
- Phone Number: +34918166804
- Email: ana.moreno@apices.es
Study Locations
-
-
-
Badalona, Spain
- Institut Català d´oncologia Badalona (ICO)
-
Las Palmas De Gran Canaria, Spain
- Hospital Universitario de Gran Canaria Dr. Negrin
-
Madrid, Spain
- Hospital Ramon y Cajal
-
Madrid, Spain, 28007
- Hospital General Universitario Gregorio Marañon
-
Madrid, Spain
- Hospital Universitario 12 de Octubre
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Madrid, Spain
- Hospital Universitario La Paz
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Murcia, Spain
- Hospital General Universitario J.M. Morales Meseguer
-
Málaga, Spain
- Hospital Virgen de la Victoria
-
Málaga, Spain
- Complejo Hospitalario Regional de Málaga
-
Salamanca, Spain
- Hospital Universitario de Salamanca
-
Valencia, Spain
- Hospital Clínico Universitario de Valencia
-
-
Barcelona
-
L'Hospitalet De Llobregat, Barcelona, Spain, 08908
- Institut Català D'Oncologia L'Hospitalet (ICO)
-
-
Comunidad Valenciana
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Valencia, Comunidad Valenciana, Spain, 46026
- Hospital Universitario y Politécnico La Fe
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male or female patients ≥ 18 years of age.
- ECOG Performance Status of 0, 1, or 2.
- Patient with diagnosis of BCR-ABL positive and Ph+ CML-Chronic Phase.
- Patients who failed the first attempt of TKI discontinuation and after TKI reintroduction they achieve again MR4 and it is maintained and confirmed for more than one year.
- Patients who are able to take oral therapy
Adequate end organ function as defined by:
- Direct bilirubin ≤ 1.5 x ULN except for i) patient with documented Gilbert's syndrome for whom any bilirubin value is allowed and ii) for patients with asymptomatic hyperbilirubinemia (liver transaminases and alkaline phosphatase within normal range),
- SGOT(AST) and SGPT(ALT) ≤ 2.5 x ULN,
- Serum lipase and amylase ≤ 1.5 x ULN,
- Alkaline phosphatase ≤ 2.5 x ULN,
- Serum creatinine ≤ 1.5 x ULN.
Patients must have the following electrolyte values ≥ LLN limits or corrected to within normal limits with supplements prior to the first dose of study medication:
- Potassium,
- Magnesium,
- Total calcium (corrected for serum albumin)
Patients must have normal marrow function as defined below:
- Absolute Neutrophil Count (ANC) ≥ 1.5 x 109/L,
- Platelets ≥ 100 x 109/L.
- Hemoglobin > 9 g/dL.
- Patients with preexisting, well-controlled diabetes can be included.
- Have normal QTcF interval on screening ECG evaluation, defined as QTcF of ≤ 450 ms in males or ≤ 470 ms in females.
- Have a negative pregnancy test documented prior to enrollment (for females of childbearing potential).
- Be willing and able to comply with scheduled visits and study procedures.
- Patients with the ability to comprehend and sign the informed consent.
- Written informed consent obtained prior to any screening procedures.
Exclusion Criteria:
- Prior accelerate phase, blast crisis or autologous or allogenic transplant.
- Patients with known atypical transcript. An atypical transcript is defined by the presence of any transcript in the absence of the major transcripts b3a2 (e14a2) and b2a2 (e13a2) or p210 protein.
- CML treatment resistant mutation(s) (T315I, E255K/V, Y253H, F359C/V) detected if a testing was done in the past (there is no requirement to perform mutation testing at study entry if it was not done in the past).
- Are taking medications with a known risk of torsades de pointes (Annex 5).
- Patient ever attempted to permanently discontinue TKI treatment.
- Severe and/or uncontrolled concurrent medical disease that in the opinion of the investigator could cause unacceptable safety risks or compromise compliance with the protocol (e.g., uncontrolled diabetes (defined as HbA1c > 9%), uncontrolled infection).
Have clinically significant, uncontrolled, or active cardiovascular disease, specifically including, but not restricted to:
- Any history of MI, unstable angina, cerebrovascular accident, or TIA.
- Any history of peripheral vascular infarction, including visceral infarction.
- Any revascularization procedure, including the placement of a stent.
- Congestive heart failure (NYHA class III or IV) within 6 months prior to enrollment, or LVEF less than lower limit of normal, per local institutional standards, within 6 months prior to enrollment.
- History of clinically significant (as determined by the treating physician) atrial arrhythmia or any history of ventricular arrhythmia.
- Venous thromboembolism, including deep venous thrombosis or pulmonary embolism, within 6 months prior to enrollment.
- Have uncontrolled hypertension (diastolic blood pressure > 90 mmHg; systolic > 150 mmHg). Patients with hypertension should be under treatment on study entry to effect blood pressure control.
- Have a history of alcohol abuse.
- History of acute pancreatitis within 1 year prior to study entry or past medical history of chronic pancreatitis.
- Have malabsorption syndrome or other gastrointestinal illness that could affect oral absorption of study drug.
- Known presence of a significant congenital or acquired bleeding disorder unrelated to cancer.
- Have a history of another malignancy, other than cervical cancer in situ or no metastatic basal cell or squamous cell carcinoma of the skin; the exception is if patients have been disease-free for at least 5 years, and are deemed by the investigator to be at low risk for recurrence of that malignancy.
- Have undergone major surgery (with the exception of minor surgical procedures, such as catheter placement) within 14 days prior to first dose of ponatinib.
- Treatment with other investigational agents (defined as not used in accordance with the approved indication) within 4 weeks of Day 1.
- Patients actively receiving therapy with strong CYP3A4 inhibitors and/or inducers, and the treatment cannot be either discontinued or switched to a different medication prior to study entry. See Annex 6 for a list of these medications. This list may not be comprehensive.
- Patients actively receiving therapy with herbal medicines that are strong CYP3A4 inhibitors and/or inducers, and the treatment cannot be either discontinued or switched to a different medication prior to study entry. These herbal medicines may include Echinacea (including E. purpurea, E. angustifolia and E. pallida), Piperine, Artemisinin, Hyperico, and Ginkgo.
- Patients who are currently receiving treatment with any medications that have the potential to prolong the QT interval and the treatment cannot be either safely discontinued or switched to a different medication prior to study entry.
- Have an ongoing or active infection; this includes, but is not limited to, the requirement for intravenous antibiotics.
- Have a known history of human immunodeficiency virus infection; testing is not required in the absence of prior documentation or known history.
- Have hypersensitivity to the ponatinib active substance or to any of its inactive ingredients.
- Pregnant or nursing (lactating) women, where pregnancy is defined as the state of a female after conception and until the termination of gestation, confirmed by a positive hCG laboratory test.
- Patients must not have a contraindication or a known hypersensitivity to ASA.
- Patients with rare hereditary problems of galactose intolerance, the Lapp lactase deficiency or glucose-galactose malabsorption.
- Patients with previous or current hepatitis B virus infection.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Ponatinib plus ASA treatment
Patients will be treated with ponatinib 15 mg/day plus 100 mg/day ASA for 104 weeks.
After that, ponatinib and ASA will be stopped.
|
Patients will receive ponatinib 15 mg/day for 104 weeks orally. Ponatinib will be self-administered by the patient on a daily schedule. Acetyl salicylic acid (ASA) (100 mg) will be used such auxiliary medicinal product in order to prevent vascular occlusive events related with ponatinib.
Patients will receive acetylsalicylic acid 100 mg/day for 104 weeks orally.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of patients with a maintained MMR within 52 weeks following ponatinib Treatment-Free Remission (TFR)
Time Frame: 52 weeks
|
This variable is defined as the number of patients who have a maintained MMR and have not restarted TKI therapy in the first 52 weeks after starting ponatinib TFR phase divided by the number of patients who entered ponatinib TFR phase.
|
52 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluate the toxicity and safety profile of 15 mg/24h dose treatment of ponatinib combined with ASA.
Time Frame: 104 weeks
|
The number and percentage of patients with treatment-emergent adverse events (new or worsening from baseline) will be summarized by system organ class (SOC) and/or preferred term (PT), severity (based on CTCAE grades), type of adverse event and relation to study treatment.
|
104 weeks
|
Evaluate thromboembolic events for study period.
Time Frame: 104 weeks
|
The number and percentage of patients with thromboembolic events will be summarized by preferred term, severity (based on CTCAE grades), type of adverse event, relation to study treatment by the phases or subsets previously described.
|
104 weeks
|
Evaluate hemorrhagic events for study period.
Time Frame: 104 weeks
|
The number and percentage of patients with hemorrhagic events will be summarized by preferred term, severity (based on CTCAE grades), type of adverse event, relation to study treatment by the phases or subsets previously described.
|
104 weeks
|
Evaluate hemolytic events for study period.
Time Frame: 104 weeks
|
The number and percentage of patients with hemolytic events will be summarized by preferred term, severity (based on CTCAE grades), type of adverse event, relation to study treatment by the phases or subsets previously described.
|
104 weeks
|
Evaluate gastrointestinal events for study period.
Time Frame: 104 weeks
|
The number and percentage of patients with gastrointestinal events will be summarized by preferred term, severity (based on CTCAE grades), type of adverse event, relation to study treatment by the phases or subsets previously described.
|
104 weeks
|
Evaluate the proportion of patients still in MR4 (BCR-ABL ≤ 0.01%) within 52 weeks following ponatinib therapy cessation.
Time Frame: 52 weeks
|
Number of patients still in MR4 and have not restarted TKI therapy in the first 52 weeks after starting ponatinib TFR phase divided by the number of patients who entered ponatinib TFR phase.
|
52 weeks
|
Evaluate the proportion of patients still in MMR within 24 weeks following ponatinib therapy cessation.
Time Frame: 24 weeks
|
The number of patients who still have a MMR and have not restarted TKI therapy in the first 24 weeks after starting ponatinib TFR phase divided by the number of patients who entered ponatinib TFR phase.
|
24 weeks
|
To estimate progression-free survival (PFS)
Time Frame: 4 years
|
Time from start ponatinib treatment to the occurrence of progression to AP/BC, loss of MMR or death from any cause, the earliest of these events.
|
4 years
|
Treatment-free survival (TFS)
Time Frame: 104 weeks
|
time from ponatinib cessation to the occurrence of loss of MMR, restart of TKI treatment, progression of AP/BC, or death from any cause, the earliest of these events.
|
104 weeks
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluate the proportion of patients who achieve a MR 5 at ponatinib therapy cessation.
Time Frame: 104 weeks
|
The number of patients who achieve a MR 5 at ponatinib therapy cessation divided by the number of patients who entered ponatinib TFR phase.
|
104 weeks
|
Collaborators and Investigators
Investigators
- Principal Investigator: Joaquín Martínez López, MD, Hospital Universitario 12 de Octubre
- Principal Investigator: Valentín García Gutierrez, MD, Hospital Universitario Ramon Y Cajal
- Principal Investigator: Juan Carlos Hernández Boluda, MD, Hospital Clinico de Valencia
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
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
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Neoplasms by Histologic Type
- Neoplasms
- Disease Attributes
- Bone Marrow Diseases
- Hematologic Diseases
- Myeloproliferative Disorders
- Leukemia
- Chronic Disease
- Leukemia, Myeloid
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Analgesics
- Sensory System Agents
- Anti-Inflammatory Agents, Non-Steroidal
- Analgesics, Non-Narcotic
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Fibrinolytic Agents
- Fibrin Modulating Agents
- Platelet Aggregation Inhibitors
- Cyclooxygenase Inhibitors
- Antipyretics
- Antineoplastic Agents
- Protein Kinase Inhibitors
- Aspirin
- Ponatinib
Other Study ID Numbers
- ResToP
- 2018-003281-14 (EudraCT Number)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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