- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT02024997
Improving Pancreas Radiotherapy Plans Using Respiration-driven Anatomic Deformation: A Pilot Study
The overall aim of this study is to investigate a novel "dual instance" planning method to make use of the respiratory motion to improve pancreatic radiation therapy (RT) treatment planning.
Specific Aim 1: Acquire patient abdominal MRI and CT at both deep inspiration (INSP) and expiration (EXP) positions and characterize the changes in geometric relationships between the INSP and EXP instances for tumor and normal tissues including stomach, duodenum and bowel. We hypothesize that INSP and EXP MRI and CT characterization will allow identification of patients who may benefit from the dual instance planning method.
Specific Aim 2: Develop, investigate and evaluate plans based on free breathing, single instance breath hold, and the novel dual instance anatomical information. We hypothesize that use of the dual instance method will lead to improved plans, demonstrated by the ability to increase dose to the target, while maintaining the clinically-accepted normal tissue dose constraints.
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Studietype
Registrering (Faktiske)
Fase
- Tidlig fase 1
Kontakter og plasseringer
Studiesteder
-
-
California
-
Los Angeles, California, Forente stater, 90048
- Cedars-Sinai Medical Center
-
-
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- Any patient with a biopsy proven diagnosis of malignancy involving the pancreas to be treated with radiation therapy
- Age >18 years
- Ability to understand and the willingness to sign a written informed consent document
- Creatinine or creatinine clearance of <1.5 times the upper limit of normal or >45 mL/min/1.73m2 for patients with creatinine levels above normal. Modification of Diet in Renal Disease (MDRD) formula was used to calculate the creatinine level
Exclusion Criteria:
- Patients who are currently receiving any investigational agents
- Unable to undergo MRIs
- Patients with late stage kidney disease or who have had a liver transplant
- Individuals who are allergic to animal dander or have asthma that may be enflamed by proximity to animals will be excluded as the scans will take place in a facility where animal research is also performed.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Grunnvitenskap
- Tildeling: N/A
- Intervensjonsmodell: Enkeltgruppeoppdrag
- Masking: Ingen (Open Label)
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
---|---|
Eksperimentell: Abdominal MRI
Subjects will undergo magnetic resonance imaging (MRI) with contrast.
Magnetic resonance (MR)_freebreathing scan will be acquired.
MR_inspiration scan will be acquired.
MR_expiration scan will be acquired.
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Compare magnetic resonance (MR) in different breath-hold phases to quantify respiration induced anatomic changes
Tidsramme: Baseline only (at least 3 days after CT simulation and up to 1 week after the initiation of radiation treatment)
|
Baseline only (at least 3 days after CT simulation and up to 1 week after the initiation of radiation treatment)
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
---|---|
Modeling the feasibility of the dose escalation using respiration induced anatomic changes
Tidsramme: Baseline only (at least 3 days after CT simulation and up to 1 week after the initiation of radiation treatment)
|
Baseline only (at least 3 days after CT simulation and up to 1 week after the initiation of radiation treatment)
|
Samarbeidspartnere og etterforskere
Sponsor
Etterforskere
- Hovedetterforsker: Wensha Yang, Ph.D., Cedars-Sinai Medical Center
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (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
Andre studie-ID-numre
- IIT2012-07-YANG-MRIRESP
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