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| ID | Type | Description | Link |
|---|---|---|---|
| 75A50123C00052 | Other Grant/Funding Number | HHS/BARDA |
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| Name | Class |
|---|---|
| Department of Health and Human Services | FED |
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This research is being done to compare the red blood circulation survival in healthy adult volunteers between the 51 chromium (51Cr) red blood cell (RBC) labeling method and the Biotin (BioRBC) red blood cell (RBC) labeling method to determine if biotinylated red blood cells (BioRBC) is an acceptable non radioactive alternative to 51 chromium (51Cr) radiolabeling for regulatory pharmacokinetic studies of red blood cell products.
This is a Phase 1, randomized, controlled, autologous transfusion study in healthy adult volunteers designed to compare biotinylated red blood cells (BioRBC) with 51 chromium (51Cr)-labeled red blood cells for the assessment of red blood cell (RBC) recovery and survival after 42 days of storage, with and without irradiation at Day 0.
Both 51Cr and biotin labeling have been used to measure autologous RBC recovery and survival, but biotin has not yet been accepted by the U.S. Food and Drug Administration (FDA) as a method to determine 24 hour post transfusion recovery and long term survival after storage.
Study procedures include screening, blood samples, testing, labeling and transfusion.
It is expected that about 20 people will take part in this research study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Unirradiated Red Blood Cells | Experimental | Day 42: Samples from each unit are labeled with biotin at one density and 51Cr. Assignments of biotin density and 51-Cr are randomized. Participants are infused with four types of manipulated RBCs (Stored Test (Irradiated), Stored Control (Non-Irradiated), Stored Control or Test RBCs labeled with 51Cr, Fresh RBCs with 99mTc) and one type of unmanipulated RBCs (Non-Irradiated or Irradiated, non-labeled RBCs). |
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| Gamma Irradiated Red Blood Cells | Experimental | Day 42: Samples from each unit are labeled with biotin at one density and 51Cr. Assignments of biotin density and 51-Cr are randomized. Participants are infused with four types of manipulated RBCs (Stored Test (Irradiated), Stored Control (Non-Irradiated), Stored Control or Test RBCs labeled with 51Cr, Fresh RBCs with 99mTc) and one type of unmanipulated RBCs (Non-Irradiated or Irradiated, non-labeled RBCs). |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Biotinylated Red Blood Cells (BioRBC) | Biological | Intravenous infusion |
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| Measure | Description | Time Frame |
|---|---|---|
| 24-hour Post-transfusion Recovery (PTR24) of Irradiated or Non-irradiated biotinylated Red Blood Cells Compared With 51Cr-Labeled Red Blood Cells | Percentage of infused autologous red blood cells (RBC) remaining in circulation 24 hours after transfusion | Day 1 after completion of autologous RBC infusion (Day 43 of the study) |
| Lifespan of of Irradiated or Non-irradiated biotinylated Red Blood Cells Compared With 51Cr-Labeled Red Blood Cells | Survival of autologous irradiated RBC expressed as days of RBC present in blood until they disappear from circulation | From immediately post infusion through Day 112 post-infusion (day 154 of the study, at approximately 16 weeks post transfusion). |
| Measure | Description | Time Frame |
|---|---|---|
| T50 of Irradiated or Non-irradiated biotinylated Red Blood Cells Compared With 51Cr-Labeled Red Blood Cells | Lifespan of autologous irradiated RBC, expressed as Median lifespan (T50; time in days for 50% of labeled red cells remain in circulation) | From immediately post infusion through Day 112 post-infusion (day 154 of the study, at approximately 16 weeks post transfusion). |
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Inclusion Criteria:
Signed and dated informed consent form.
Exclusion Criteria:
Known RBC disorder that could affect RBC survival.
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jose A Cancelas-Perez, MD, PhD | Contact | 617-632-3446 | jose_cancelas-perez@dfci.harvard.edu |
| Name | Affiliation | Role |
|---|---|---|
| Jose A Cancelas-Perez, MD, PhD | Dana-Farber Cancer Institute | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hoxworth Blood Center, University of Cincinnati | Recruiting | Cincinnati | Ohio | 45267 | United States |
The Dana-Farber / Harvard Cancer Center encourages and supports the responsible and ethical sharing of data from clinical trials. De-identified participant data from the final research dataset used in the published manuscript may only be shared under the terms of a Data Use Agreement. Requests may be directed to: [contact information for Sponsor Investigator or designee]. The protocol and statistical analysis plan will be made available on Clinicaltrials.gov only as required by federal regulation or as a condition of awards and agreements supporting the research.
Data can be shared no earlier than 1 year following the date of publication
Contact the Belfer Office for Dana-Farber Innovations (BODFI) at innovation@dfci.harvard.edu
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| Irradiated Biotinylated Red Blood Cells (Irradiated BioRBC) | Biological | Intravenous infusion |
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| 51 Chromium Labeled Red Blood Cells (51Cr RBC) | Biological | Intravenous infusion |
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| Technetium 99m Labeled Red Blood Cells (99mTc RBC) | Biological | Intravenous infusion |
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| Area under the curve (AUC) of Irradiated or Non-irradiated biotinylated Red Blood Cells Compared With 51Cr-Labeled Red Blood Cells | Area under the curve of autologous irradiated RBC, expressed as an integrated area of the parameter time (days) x percentage of remaining cells in circulation | From immediately post infusion through Day 112 post-infusion (day 154 of the study, at approximately 16 weeks post transfusion). |
| Incidence of Adverse Events and Serious Adverse Events Following Infusion of Biotinylated and Irradiated Biotinylated Red Blood Cells | Number and proportion of subjects experiencing adverse events (AEs) and serious adverse events (SAEs) with specific attention to:
| From Day 42 (infusion day) through Day 154 (approximately 16 weeks post transfusion) |
| Incidence of Antibodies Against Biotinylated Red Blood Cells After Infusion of BioRBC | Proportion of subjects who develop detectable antibodies specific to biotinylated RBC (anti BioRBC) following infusion of BioRBC | From screening (up to 28 days before donation) through Day 112 post infusion (day 154 after red blood cell collection); extended follow up annually if anti BioRBC is detected until it disappears from circulation. |
| American Red Cross | Not yet recruiting | Norfolk | Virginia | 23510 | United States |
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| ID | Term |
|---|---|
| D013667 | Technetium |
| ID | Term |
|---|---|
| D004603 | Elements, Radioactive |
| D004602 | Elements |
| D007287 | Inorganic Chemicals |
| D019216 | Metals, Heavy |
| D028561 | Transition Elements |
| D011868 | Radioisotopes |
| D007554 | Isotopes |
| D008670 | Metals |
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