- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT01534676
Effects of Transfusion of Older Stored Red Cells
Harmful Effects of Transfusion of Older Stored Red Cells: Iron and Inflammation
The purpose of this study is to determine the effects of transfusion of fresh and stored blood on patients.
The investigators hope to test:
- whether a similar effect (older stored blood is associated with worse outcomes) is seen in chronically transfused patients with hemoglobinopathies. This patient population will also allow the investigators to test whether iron- chelation therapy is beneficial in this setting.
- whether washing or cryopreserving the red blood cells has any effect on this outcome.
These findings may explain the immunomodulatory effects of older stored blood in patients and will help us develop safer transfusion products for patients.
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Detaljert beskrivelse
Studietype
Registrering (Faktiske)
Fase
- Ikke aktuelt
Kontakter og plasseringer
Studiesteder
-
-
New York
-
New York, New York, Forente stater, 10032
- Columbia University Medical Center
-
-
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria (Recipient):
- specific, well-characterized hemoglobinopathy
- chronic simple transfusion therapy (transfusion episodes < 6 weeks apart in frequency)
- chronic iron chelation therapy
- not pregnant by self-report and not planning pregnancy
- age > 1 year old
Exclusion Criteria (Recipient):
- clinically unstable
- treatment for mental illness
- imprisonment
- institutionalization
Inclusion Criteria (Donor):
- 21-65 years of age
- male weight > 130 lbs, female weight > 150 lbs
- male height > 5'1", female height > 5'5"
- hemoglobin > 15.0 g/dL
- reasonably certain of intention to stay in New York City metropolitan area for study duration
- previously tolerated red blood cell donation
Exclusion Criteria (Donor):
- ineligible for donation based on New York Blood Center blood donor screening questionnaire
- systolic blood pressure < 90 or > 180 mm Hg, diastolic blood pressure < 50 or > 100 mm Hg
- heart rate < 50 or > 100
- temperature > 99.5 F prior to donation
- positive by standard infectious disease testing performed on blood donors
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomisert
- Intervensjonsmodell: Enkeltgruppeoppdrag
- Masking: Ingen (Open Label)
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
---|---|
Aktiv komparator: Transfusion of Fresh blood
The recipient will receive one or two units of fresh blood <14 days old, as per their chronic transfusion schedule - on or off chelation therapy.
|
A routine medical procedure to transfuse packed red blood cells.
Andre navn:
Processing of RBC for transfusion include the following:
Andre navn:
(non-experimental) A medical procedure that involves the administration of chelating agents to remove heavy metals from the body.
|
Eksperimentell: Transfusion of Stored blood
The recipient will receive one or two units of old blood >28 days old, as per their chronic transfusion schedule - on or off chelation therapy.
|
A routine medical procedure to transfuse packed red blood cells.
Andre navn:
Processing of RBC for transfusion include the following:
Andre navn:
(non-experimental) A medical procedure that involves the administration of chelating agents to remove heavy metals from the body.
|
Aktiv komparator: Transfusion of Cryopreserved Blood
The recipient will receive one or two units of cryopreserved (fresh/old) blood, as per their chronic transfusion schedule - off chelation therapy.
|
A routine medical procedure to transfuse packed red blood cells.
Andre navn:
Processing of RBC for transfusion include the following:
Andre navn:
|
Aktiv komparator: Transfusion of Washed Blood
The recipient will receive one or two units of washed (fresh/old) stored blood >28 days old, as per their chronic transfusion schedule - off chelation therapy.
|
A routine medical procedure to transfuse packed red blood cells.
Andre navn:
Processing of RBC for transfusion include the following:
Andre navn:
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Non-transferrin-bound Iron Level
Tidsramme: 2 hours after transfusion
|
2 hours after transfusion
|
Samarbeidspartnere og etterforskere
Sponsor
Samarbeidspartnere
Etterforskere
- Hovedetterforsker: Steven Spitalnik, MD, Columbia University
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- AAAI1111
- R01HL098014 (U.S. NIH-stipend/kontrakt)
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .
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