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High dose versus low dose sub-dissociative ketamine for acute pain relief in older adults: A randomized controlled trial

High dose versus low dose sub-dissociative ketamine (SDK) for acute pain relief in older adults: A randomized controlled trial - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/01/102279
Enrollment
110
Registered
2026-01-28
Start date
Unknown
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: 3- Administration Health Condition 2: 4- Measurement and Monitoring

Interventions

Intervention1: Low dose SDK: Participants receiving low dose sub dissociative ketamine (0.15 mg per kg IV) as a single bolus infusion over 15 minutes. Control Intervention1: High dose SDK: Participant

Sponsors

Jawaharlal institute of postgraduate medical education and research
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients presenting to emergency medicine department with acute severe pain ( more than or equal to 7 on an 11 point numeric rating scale)

Exclusion criteria

Exclusion criteria: Known allergy or hypersensitivity to ketamine, Altered mental status at presentation, Severe psychiatric illness (e.g., active psychosis or schizophrenia) Significant cardiovascular disease, including uncontrolled hypertension (more than 180 by 110 mm Hg), history suggestive of myocardial infarction or aortic dissection, heart failure, End-stage liver disease/ Renal failure (creatinine clearance less than 30 mL/min) History of glaucoma / open globe injuries

Design outcomes

Primary

MeasureTime frame
To compare the pain reduction between low dose (0.15 mg per kg) vs high dose (0.3 mg per kg) SDK at 15 minutes in older adults presenting to ED with acute pain ( greater than or equal to 7 on the NRS)Timepoint: At 15 minutes

Secondary

MeasureTime frame
To compare pain reduction between 0.15 mg per kg vs 0.3 mg per kg SDK at 60 minutesTimepoint: At 60 minutes;To evaluate the incidence and severity of adverse effects in both groups.Timepoint: During the stay at hospital;To compare pain reduction between 0.15 mg per kg vs 0.3 mg per kg SDK at 30 minutesTimepoint: At 30 minutes

Countries

India

Contacts

Public ContactDr Amaravathi U

Jawaharlal institute of postgraduate medical education and research

amaravathiuthayakumar@gmail.com9677290389

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 7, 2026