New hope for agitated cancer patients: drug combo tested to ease delirium
NCT ID NCT05431595
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests four treatments—haloperidol, chlorpromazine, valproic acid, and a placebo—given through an IV to help calm agitated delirium in hospitalized cancer patients. The goal is to find which option works best to reduce distress and improve comfort. About 42 adults with advanced cancer and delirium will take part.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Haloperidol, chlorpromazine, valproic acid, or placebo given intravenously
- What this could lead to
- If successful, this could provide better options to calm agitation and relieve suffering in cancer patients with delirium.
- What could go wrong
- This is a small, early-phase trial with only 42 participants, so results may not apply broadly. The drugs can have side effects like drowsiness or movement problems.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 42 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2022
- Expected to finish
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Feb 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. \[Patients\] Diagnosis of advanced cancer (defined as locally advanced, metastatic recurrent, or incurable disease) 2. \[Patients\] Seen by palliative care inpatient consultation team 3. \[Patients\] Delirium as per DSM-5 criteria 4. \[Patients\] Hyperactive or mixed delirium with either a rescue medication order or any non-pharmacologic measures (e.g. sitter, restraints) for agitation, restlessness, or delirium 5. \[Patients\] Age 18 years or older 6. \[Patients\] Permission from clinician from primary team to enroll 7. \[Family Caregivers\] Patient's spouse, adult child, sibling, parent, other relative, or significant other (defined by the patient as a partner) 8. \[Family Caregivers\] Age 18 years or older Exclusion Criteria: 1. \[Patients\] On scheduled haloperidol \>4 mg/d, chlorpromazine \>100 mg/d, or valproate \>750 mg/d 2. \[Patients\] History of myasthenia gravis, acute narrow-angle glaucoma, or hepatic encephalopathy as documented in chart 3. \[Patients\] Hepatic dysfunction (unresolved AST or ALT \>2.5x ULN, bilirubin \>1.5x ULN or INR \>1.5 within past month) 4. \[Patients\] History of neuroleptic malignant syndrome as documented in chart 5. \[Patients\] Active seizure disorder within past month as documented in chart 6. \[Patients\] History of Parkinson's disease or dementia as documented in chart 7. \[Patients\] History of prolonged QTc interval (\>500 ms) if documented by most recent ECG within the past month 8. \[Patients\] Hypersensitivity to haloperidol, chlorpromazine, or valproate as documented in chart 9. \[Patients\] Pancreatitis within past month as documented in chart 10. \[Patients\] Currently on lamotrigine, phenobarbital, or carbamazepine 11. \[Patients\] Physical signs of impending death such as respiration with mandibular movement and death rattle 12. \[Patients\] Pregnancy as documented in chart 13. \[Patients\] Active COVID-19 infection as documented in chart
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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MD Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Could a quieter, dimmer ICU protect Patients' brains?
- Can a daily supplement shield the brain after delirium?
- Can tracking symptoms improve care for children with advanced cancer?