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- Klinische proef NCT01411813
Alprazolam and Eating Behavior in Anorexia Nervosa
Studie Overzicht
Toestand
Conditie
Gedetailleerde beschrijving
30 patients with Anorexia Nervosa (hospitalized at NYSPI 4-Center for acute weight restoration treatment) will be recruited to participate in this experiment. All subjects will be screened on admission and provide informed consent prior to participation. At the time of study procedures, participants will be medically stable and weigh ≥ 80% IBW. This minimum weight has been identified for patient safety given the test meal procedures. Subjects will participate in a total of two meal sessions on the BSU. Medical clearance will be determined by 4-Center clinical staff prior to the meal sessions. Study participation will not prolong nor interfere with the patient's treatment.
The first test meal will occur after the patient has reached 80% IBW. The second test meal will occur within a week of the first. The procedures are identical for the two test sessions, and were based on those described by Sysko and colleagues (9). On the morning of the test meal, participants will be provided a standardized breakfast of ~300 kcal. They will not consume any additional food or liquid, other than water, prior to the test meal session approximately 4 hours later. Study medication will be administered at 10:00 am.
Test meals will be conducted on the Biological Studies Unit (BSU) at NYSPI. Participants will be escorted to and from the BSU by research staff. Participants will complete questionnaires prior to receiving medication, prior to each test meal, and after the test meal is complete (see Table). Participants will be presented with an 83 fluid ounce covered opaque container with a straw on a table. Inside the container will be approximately 1500 grams (approximately 1560 kcal) of strawberry yogurt shake. Patients will be informed that the meal consists of a strawberry yogurt shake, but will not be informed as to the amount provided in the container. Instructions before each test meal will inform patients that they should eat as much of the shake as they would like, and that the meal would serve as their lunch for the day. The participant will be alone in the room. For compliance and safety, patients will be observed through a closed circuit video monitor during the meal. The patient will be instructed to signal completion of the meal by ringing a bell. During the course of the meal, patients will be asked to rate anxiety periodically. After the test meal is complete, a staff member will debrief the participant and address any questions or concerns.
Medication Administration: Participants will receive active medication (alprazolam 0.75 mg) on one test day and placebo on the other, in random order. Dose was selected based on the findings of Evans et al (8), who demonstrated statistically significant increases in caloric intake with doses of alprazolam 0.5 mg and 0.75 mg. Medication will be administered 2 hours prior to the test meal, as this is the timing of estimated peak plasma concentration (8).
Studietype
Inschrijving (Werkelijk)
Contacten en locaties
Studie Locaties
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New York
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New York, New York, Verenigde Staten, 10032
- New York State Psychiatric Institute
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Bemonsteringsmethode
Studie Bevolking
Beschrijving
Inclusion Criteria:
- DSM-IV-TR™ diagnosis of anorexia nervosa (restricting or binge-purge subtype), with or without amenorrhea at the time of inpatient admission.
- Older than 18
- No acute medical condition
- Participation in inpatient treatment
- Subjects must have signed informed consent document indicating that they understand the purpose of and procedures required for the study and are willing to participate in the study.
Exclusion Criteria:
- Psychotic or bipolar I disorder
- Substance abuse or dependence in the last 6 months
- Current Axis I disorder requiring psychotropic medication (subjects taking a stable dose of psychiatric medications will be allowed.)
- Active suicidal intent.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Cohorten en interventies
Groep / Cohort |
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Alprazolam
Patients receiving Alprazolam.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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change in caloric Intake
Tijdsspanne: Change in caloric intake between test meals
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Assessment of caloric intake after taking alprazolam or placebo.
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Change in caloric intake between test meals
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Medewerkers en onderzoekers
Medewerkers
Onderzoekers
- Hoofdonderzoeker: Joanna Steinglass, MD, New York State Psychiatric Institute
Publicaties en nuttige links
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- #6267
- 5R01MH082736 (Subsidie/contract van de Amerikaanse NIH)
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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