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Subcutaneous Olanzapine for Hyperactive or Mixed Delirium

Information source: M.D. Anderson Cancer Center
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Advanced Cancer

Intervention: Olanzapine (Drug)

Phase: N/A

Status: Completed

Sponsored by: M.D. Anderson Cancer Center

Official(s) and/or principal investigator(s):
Ahmed Elsayem, MD, Principal Investigator, Affiliation: M.D. Anderson Cancer Center

Summary

The objective of this study is to determine the tolerability and safety of olanzapine administered as a subcutaneous injection to hospitalized patients with hyperactive or mixed delirium.

Clinical Details

Official title: Study of Subcutaneous Olanzapine for Hyperactive or Mixed Delirium

Study design: Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome:

Participant Toxicity

Participant Hypotension

Secondary outcome: Participant Richmond Agitation Sedation Scale (RASS)

Detailed description: Olanzapine is a drug designed to control agitation/delirium. Olanzapine has been given by mouth and as an injection into the muscle, which is painful and can increase a person's feelings of agitation. In this study, olanzapine will be given under the skin through a catheter. Researchers hope that this will be less painful and agitating than when injected into the muscle. If you are found to be eligible to take part in this study, you will have a catheter (plastic tube) placed under your skin. This catheter will be used to give you the study medication. Study drug will be given through the catheter every 8 hours for 9 doses. Each shot should take about 1 to 2 minutes. You will receive the drug at M. D.Anderson Cancer Center. Researchers will use the Richmond Agitation Scale to measure your agitation or sedation before each injection of olanzapine through the catheter. It should take 5 to 10 minutes to answer the questions. You will be evaluated for catheter site reaction at the time of injection, at 30 minutes and 1 hour after the injection, and before all further injections of study drug. Your blood pressure will be evaluated before and 1 hour after the first two injections and then once a day while on study. If your agitation is not controlled, you will receive haloperidol. On the second day of treatment, researchers will record the amount of haloperidol that you had to use in the previous 24 hours. If the amount of haloperidol that you used is greater than a certain amount, your dose of olanzapine will be increased. Even if your dose of olanzapine is increased, you may still be able to use haloperidol if needed. On the third day of treatment, researchers will record the amount of haloperidol that you had to use in the previous 24 hours. If the amount of haloperidol that you used is greater than a certain amount, your dose of olanzapine will again be increased. As before, if your dose of olanzapine is increased, you may still be able to use haloperidol if needed. If you respond to olanzapine after 3 days of treatment, you will be given the option to continue the drug off-study. If you develop severe side effects before you have completed the 9 doses, treatment will be stopped. If treatment on this study is stopped, then you will consult with your doctor about receiving a different medication off study to help control your symptoms. There is no long-term follow-up for this study. This is an investigational study. Olanzapine has been FDA approved given into the muscle or by mouth for the treatment of agitation related to schizophrenia and bipolar mania (a disorder involving mood swings from deep depression to feelings of elation). A total of 25 patients will take part in this study. All will be enrolled at M. D. Anderson.

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria: 1. Hospitalized patients on the Acute Palliative Care Unit (G12NW) at the University of Texas MD Anderson Cancer Center 2. Age > 18 years of age (Olanzapine IM has not been evaluated in pediatric patients.) 3. Patients must have an acceptable surrogate capable of giving consent on the subject's behalf. 4. Richmond Agitation-Sedation Score (RASS) of >/= 1 5. Mini Mental Status Exam score of less than 24 6. Hyperactive or mixed delirium not responsive to at least 10 mg of haloperidol within the last 24 hours Exclusion Criteria: 1. Known hypersensitivity to any ingredient of olanzapine IM 2. The following reactions to haloperidol: A) Acute dystonia B) Hypersensitivity or previous intolerance to haloperidol C) Extra pyramidal side effects 3. History of narrow-angle glaucoma. 4. Systolic blood pressure < 90 mm Hg 5. If they received an injectable depot neuroleptic within less than one dosing interval of study initiation 6. Within 7 days of starting study drug, documentation of: a. Fasting blood glucose (or finger stick glucose check) > 250 mg/dl b. Absolute neutrophil count of < 500 or platelets < 50,000 7. The use of any benzodiazepines or neuroleptic medications, besides haloperidol, while the patient is enrolled on study, is prohibited.

Locations and Contacts

U.T.M.D. Anderson Cancer Center, Houston, Texas 77030, United States
Additional Information

UT MD Anderson Cancer Center official website

Starting date: June 2005
Last updated: September 26, 2011

Page last updated: August 23, 2015

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