Precision Dosing of Alemtuzumab
Precision Dosing of Alemtuzumab for Allogeneic Hematopoietic Cell Transplantation in Non-Malignant Diseases
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
The hypothesis is that the model-informed dosing regimen will prospectively allow the precision dosing of alemtuzumab to target Day 0 levels to fall between 0.15-0.6ug/mL in greater than 80% of patients. The investigators have chosen a conservative pilot study approach, and the aim is to achieve Day 0 alemtuzumab levels between 0.15-0.6ug/mL in greater than 60% of 20 patients enrolled in this pilot study based on a Simon two-stage design as detailed below.
A Simon two-stage design (Simon, 1989) is being used. The null hypothesis that 30% of patients will achieve a Day 0 alemtuzumab level between 0.15-0.6ug/mL will be tested against a one-sided alternative that the alemtuzumab dose modification will result in 60% of patients achieving a Day 0 alemtuzumab level between 0.15-0.6ug/mL. In the first stage, 7 patients will be accrued. If there are 2 or fewer patients that achieve Day 0 alemtuzumab levels within the range of 0.15-0.6ug/mL, the study will be stopped. Otherwise, 13 additional patients will be accrued for a total of 20. The null hypothesis will be rejected if 11 or more patients achieve a Day 0 level of 0.15-0.6ug/mL within the total 20 patients. This design yields a type I error rate of 0.04 and power of 0.82 when the true response rate is 0.60. The investigators will enroll up to 30 patients in order allow for subject withdrawal, but will stop enrollment once 20 patients reach Day 0.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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-
Ohio
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Cincinnati, Ohio, Forenede Stater, 45229
- Cincinnati Children's Hospital Medical Center
-
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Patients who are undergoing RIC HCT with alemtuzumab, fludarabine, and melphalan at CCHMC for treatment of a non-malignant disease.
- Age ≥ 6 weeks to ≤ 30 years (at time of enrollment).
- For the first 7 patients, patients must have a 10/10 HLA matched related or unrelated stem cell donor, or be receiving a CD34+ selected stem cell product. After the first 7 patients, any donor match may be allowed after data review by the PI and medical monitor.
Exclusion Criteria:
- Patients with a history of anaphylaxis to alemtuzumab.
- Patients who have previously received alemtuzumab and have not cleared alemtuzumab prior to the start of the preparative regimen.
- Life expectancy less than 2 weeks.
- Patients receiving dialysis.
- Failure to sign informed consent and/or assent, or inability to undergo informed consent process.
- It is not medically advisable to obtain the specimens necessary for this study.
- Not able to tolerate subcutaneous dosing (patients with severe skin conditions such as epidermolysis bullosa).
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Andet
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Andet: Alemtuzumab
Patients less than 15kg will be given 0.6mg/kg alemtuzumab divided over days -14, -13, and -12 (0.2mg/kg/dose). Patients greater than 15kg will be given a 3mg "test" dose on day -14 in order to limit the first dose to no more than 3 mg per the manufacturer's recommendation. This will be followed by 0.23mg/kg/dose on days -13 and -12 (to equal a total dose of approximately 0.5-0.6mg/kg). Alemtuzumab will be drawn into a sterile syringe and given to patients subcutaneously. |
Alemtuzumab (Campath®) is a recombinant DNA-derived humanized monoclonal antibody directed against CD52.
Alemtuzumab is produced in mammalian cell (Chinese hamster ovary) suspension culture in a medium containing neomycin.
Neomycin is not detectable in the final product.
Alemtuzumab is a sterile, clear, colorless, isotonic pH 6.8-7.4 solution for injection.
Alemtuzumab is supplied in single-use clear glass ampules containing 30 mg of Alemtuzumab in 3 mL of solution.
Single use vial of alemtuzumab contains 30 mg alemtuzumab, 8 mg sodium chloride, 1.44 mg dibasic sodium phosphate, 0.2 mg potassium chloride, 0.2 mg monobasic potassium phosphate, 0.1 mg polysorbate 80, and 0.0187 mg disodium edetate dihydrate.
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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Percentage of patients who have alemtuzumab levels in the optimal therapeutic range on Day 0.
Tidsramme: 100 Days
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100 Days
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Rebecca Marsh, MD, Children's Hospital Medical Center, Cincinnati
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 2017-2206
Plan for individuelle deltagerdata (IPD)
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Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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