- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03066154
Oral Docetaxel (ModraDoc/r) in Combination With Hormonal Treatment and Radiation Therapy in High-risk Prostate Cancer (DOP)
Weekly ModraDoc/r in Combination With Hormonal Treatment and High-dose Intensity-modulated Radiation Therapy in Patients With High-risk Early Stage Prostate Cancer
The optimal treatment for HRPC patients has not yet been established. Recent trials suggest a benefit from early treatment with docetaxel in the castration-sensitive setting, with an improvement in failure free survival in high risk and metastatic patients and increase in overall survival in the metastatic hormone-sensitive group. In these recent randomized controlled trials, patients were treated with hormonal therapy and radiotherapy and adjuvant docetaxel, assuming that early systemic treatment for high risk or metastatic disease could delay progression in patients with aggressive primary tumor characteristics.
With the fact that docetaxel is a known radiosensitizer, combined modality treatment with docetaxel during the radiotherapy could also lead to better local control and reduction of local recurrence. Several phase I and II studies have been done in HRPC patients, to evaluate the combination of high dose radiotherapy and concurrent weekly infusions with docetaxel.
Oral administration of docetaxel has many advantages above intravenously administered drugs for patients. Besides the higher patient convenience, possibly longer treatment duration can be achieved due to better safety. Frequently occurring toxicities of intravenously administered docetaxel, such as neutropenia, hypersensitivity reactions and peripheral polyneuropathy have rarely been observed with the oral docetaxel formulation ModraDoc006/r.
The primary aim of the N15DOP study is to determine the maximum tolerable dose (MTD) of ModraDoc006/r when given in a weekly bidaily schedule in combined modality with high dose intensity radiotherapy and hormonal therapy in castration-sensitive prostate cancer patients with high risk disease, including positive lymph nodes.
Study Overview
Status
Conditions
Detailed Description
Phase IA part This is an open-label, dose-escalating, non-randomized, single centre phase I study of ModraDoc006/r combined with ADT and radiotherapy in patients with high risk prostate cancer, as defined by node positive prostate cancer with all of the following primary tumor characteristics: stage ≥cT2c, Gleason score ≥ 4+3, any PSA level.
Phase IB part After determination of the MTD of ModraDoc006/r in the combined treatment with radiotherapy and hormonal therapy and good tolerability of the treatment without unexpected adverse events during the radiotherapy until 6 weeks after the end of radiotherapy, the study will be further conducted to the phase IB part. This part will explore the feasibility and tolerability of long term treatment with ModraDoc006/r.
Study Type
Enrollment (Anticipated)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: B van Triest, MD, PhD
- Phone Number: 0205129111
- Email: b.v.triest@nki.nl
Study Contact Backup
- Name: M Vermunt, MD
- Phone Number: 0205122127
- Email: m.vermunt@nki.nl
Study Locations
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-
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Amsterdam, Netherlands
- Recruiting
- Netherlands Cancer Institute
-
Contact:
- B van Triest, MD, PhD
- Phone Number: 0205129111
- Email: b.v.triest@nki.nl
-
Contact:
- M Vermunt, MD
- Phone Number: 0205122127
- Email: m.vermunt@nki.nl
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Histologically proven prostate cancer.
All eligible patients have hormone naïve non-metastatic node positive high risk prostate cancer. Node positive cancer will be defined as radiological demonstration of more than four pelvic lymph node(s) consisting of bean shaped lymph node(s) with a short axis of minimal 10 mm and/or round lymph node(s) with a minimal size of 8 mm on PSMA, MRI or CT scan.
PSMA-scans or PET-Choline scans may be used, but are not obligated. Since the use of the PSMA scan is significantly increased in current clinical practice and the chance of false positive results is considered very low in patients with more than 4 positive lymph nodes, histological confirmation of positive lymph nodes is not required for inclusion if more than 4 pathological nodes are seen with the PSMA, MRI or CT scan
- High risk prostate cancer will be defined as node positive with all of the following primary tumour characteristics: Tumour stage ≥cT2c and Gleason score ≥4+3, any PSA
- Age ≥ 18 years
- No signs of metastatic disease on standard diagnostic scans.
- Normal serum testosterone levels prior to treatment
Adequate haematological, renal and hepatic functions
- Haemoglobin ≥ 6.0 mmol/l
- ANC of ≥ 1.5 x 109 /L
- Platelet count of ≥ 100 x 109 /L
- Hepatic function as defined by serum bilirubin ≤ 1.5 x ULN, ALAT and ASAT ≤ 2.5 x ULN
- Renal function as defined by serum creatinine ≤ 1.5 x ULN or creatinine clearance ≥ 50 ml/min (by Cockcroft-Gault formula).
- WHO performance status of 0-2
- Able and willing to undergo blood sampling for PK and PD analysis;
- Life expectancy ≥ 3 months allowing adequate follow up of toxicity evaluation and antitumor activity;
- Able and willing to swallow oral medication
- Able and willing to give written informed consent;
Exclusion Criteria:
- Any treatment with investigational drugs, chemotherapy or immunotherapy within 30 days prior to receiving the first dose of investigational treatment; Patients may be on ADT as long as this is has not been longer than 4 weeks prior the start of the radiotherapy.
- Patients who have had prior pelvic radiation therapy
- Patients who have had prior treatment with taxanes
- TURP within 3 months before start of the study
- Patients who have had a prostatectomy.
- Any contra-indication for MRI
- Major difficulties for marker implantation
- Unreliable contraceptive methods. Men enrolled in this trial must agree to use a reliable contraceptive method throughout the study (adequate contraceptive methods are: condom, sterilization)
- Unresolved (> grade 1) toxicities of previous chemotherapy, excluding alopecia.
- Uncontrolled infectious disease or known Human Immunodeficiency Virus HIV-1 or HIV-2 type patients;
- Patients with a known history of hepatitis B or C;
- Bowel obstructions or motility disorders that may influence the resorption of drugs as judged by the treating physician
- Concomitant use of MDR and CYP3A modulating drugs such as Ca+- entry blockers (verapamil, dihydropyridines), cyclosporine, quinidine, tamoxifen, megestrol and grapefruit juice, concomitant use of HIV medications, other protease inhibitors, (non) nucleoside analoga, or St. John's wort.
- Pre-existing neuropathy greater than NCI-CTCAE v4.03 grade 1.
- Patients with known alcoholism, drug addiction and/or psychiatric of physiological condition which in the opinion of the investigator would impair study compliance; Evidence of any other disease, neurological or metabolic dysfunction, physical examination finding or laboratory finding giving reasonable suspicion of a disease or condition that contraindicates the use of an investigational drug or puts the patient at high risk for treatment-related complications.
- Legal incapacity
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: N15DOP
Chemoradiation with ModraDoc/r and radiotherapy of the prostate in dose escalation design, followed by maintenance treatment.
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Weekly once- or twice daily ModraDoc/r
Other Names:
ADT according to the standard of care
Other Names:
77 Gy in 35 fractions of 2.2 Gy, 5 fractions a week
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximal tolerated dose (MTD) of ModraDoc/r in the combination treatment
Time Frame: 12 months
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MTD of ModraDoc006/r (as ModraDoc006 10 mg tablets in combination with one tablet of 100 mg ritonavir) that can safely be administered in a bi-daily weekly schedule in combination with high-dose intensity modulated radiation therapy and androgen-deprivation therapy
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12 months
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Number of participants with treatment-related adverse events as assessed by CTCAE v.4.03 with treatment with ModraDoc006/r in combination with ADT and high dose radiotherapy
Time Frame: 12 months
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12 months
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Number of patients that will have recurrence of prostate cancer after completion of the study treatment
Time Frame: 10 years
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10 years
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To determine the Peak Plasma Concentration (Cmax) of docetaxel in this regime.
Time Frame: 12 months
|
12 months
|
To determine the "Area under the plasma concentration versus time curve (AUC) of docetaxel in this regime.
Time Frame: 12 months
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12 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: B van Triest, MD, PhD, The Netherlands Cancer Institute
Publications and helpful links
Study record dates
Study Major Dates
Study Start
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
Keywords
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Prostatic Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Enzyme Inhibitors
- Anti-HIV Agents
- Anti-Retroviral Agents
- Antineoplastic Agents
- Tubulin Modulators
- Antimitotic Agents
- Mitosis Modulators
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Protease Inhibitors
- Cytochrome P-450 CYP3A Inhibitors
- Cytochrome P-450 Enzyme Inhibitors
- HIV Protease Inhibitors
- Viral Protease Inhibitors
- Docetaxel
- Ritonavir
- Androgens
Other Study ID Numbers
- N15DOP
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
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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