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Mantle cell lymphoma (MCL) is characterized by cell cycle dysregulation. PD 0332991 is a cyclin-dependent kinase 4 and 6 inhibitor capable of inhibiting cell cycling of MCL. A phase I study has demonstrated the safety and anti-lymphoma activity of PD 0332991. Bortezomib is a first generation proteasome inhibitor approved for treatment of patients with recurrent MCL. Preclinical data suggests that PD 0332991 and bortezomib may act synergistically in MCL.
PD 0332991 will be administered continuously for 12 days followed by a 9 day period without treatment. Bortezomib will be administered by intravenous bolus on days 8, 11, 15, and 18 of each cycle. One cycle is defined as three weeks. A maximum of ten cycles will be administered.
Full description
Escalating doses of PD 0332991 in combination with bortezomib will be studied sequentially, with at least 3 patients in each dose level until the MTD is determined. PD 0332991 will be given orally, starting on Day 1 of each cycle, once a day for 12 days followed by 9 days without treatment. Bortezomib will be given by intravenous (IV) bolus or subcutaneously (taking 3 to 5 seconds to administer) on days 8, 11, 15 and 18. For dose levels 3a and 4b, bortezomib will be administered only on days 15 and 18. One cycle is defined as 3 weeks (21 days). Subjects will remain on treatment until they meet criteria for withdrawal from treatment described in section 5.4 (e.g., DLT, disease progression, unacceptable toxicity, or withdrawal of consent).
The pharmacist will maintain records of drug receipt (if applicable), drug preparation, and dispensing, including the applicable lot numbers, patients' height, body weight, and body surface area, and total drug administered in milliliters and milligrams. Any discrepancy between the calculated dose and dose administered and the reason for the discrepancy must be recorded in the source documents.
Treatment will be administered only to eligible patients under the supervision of the investigator or identified sub-investigator (s). Treatment will be administered on an outpatient basis. Reported adverse events and potential risks are described in Section 7. Appropriate dose modifications are described in Section 6. No investigational or commercial agents or therapies other than those described below may be administered with the intent to treat the patient's malignancy.
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Inclusion criteria
Patients must have histologically or cytologically confirmed mantle cell lymphoma as defined by the World Health Organization. All patients must have either a demonstrated t(11;14) by karyotype, fluorescent in-situ hybridization (FISH) or positive immunohistochemistry for cyclin D1.
Subjects must have measurable disease, defined as at least one tumor mass of > 1.5 cm in diameter.
Subjects must have received at least one prior chemotherapy-containing regimen and at least one prior rituximab-containing regimen.
Age > = 18 years.
Accessible disease, defined as at least one of the following:
ECOG performance status < = 2
Patients must have normal organ and marrow function as defined below within 14 days before enrollment:
The effects of bortezomib and PD 0332991 on the developing human fetus at the recommended therapeutic dose are unknown. For this reason, female subjects must either be post-menopausal or surgically sterilized or willing to use an acceptable method of birth control (i.e., a hormonal contraceptive, intra-uterine device, diaphragm with spermicide, condom with spermicide, or abstinence) prior to study entry and for the duration of the study. Male subjects must agree to use adequate contraception prior to study entry and for the duration of study participation. Should a female subject become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately.
Voluntary written informed consent before performance of any study-related procedure not part of normal medical care, with the understanding that consent may be withdrawn by the subject at any time without prejudice to future medical care.
Subjects must be willing and able to comply with the scheduled visits, treatment plans, laboratory tests, and other procedures
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20 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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