Analgesic Efficacy of Orally Administered VTS-K for Pain Management

  • STATUS
    Recruiting
  • days left to enroll
    55
  • participants needed
    25
  • sponsor
    Antonios Likourezos
Updated on 5 May 2021

Summary

A combination of ketamine and aspirin for the treatment of acute MSK pain in the ED would confer multimodal analgesia, with the contributions of aspirin and ketamine to an opioid sparing effect. Research on this multimodal approach is sparse, but the minimal empirical evidence supports a clinical benefit to patients in a post orthopedic surgery setting, both in short term and long term.

Vitalis Pharmaceuticals (New York, NY) has developed a proprietary formulation of aspirin, VTS-Aspirin, that may deliver faster and stronger pain reduction than traditional aspirin. Preliminary research indicates that combinations of VTS-Aspirin with analgesics may confer greater benefit in pain management than some current standards of care (26).

An oral combination drug of VTS-Aspirin and ketamine (VTS-K) would facilitate the shift from IV opioids to a non-IV therapy for patients presenting to the ED with acute MSK pain. This formulation has a potential to provide effective analgesia in the ED with reduced side effects. VTS-K's proprietary oral formulation of established, safe, and well-understood APIs, makes it uniquely appropriate for use in the ED. VTS-K is administered orally, which is suitable for resource-poor environments in which the healthcare setting may be inadequate as well as suitable to improve the throughput of ED Patients by reducing their length of stay. This is especially pertinent given the alternative of IV opioids for pain management of acute MSK pain, which requires both clinical monitoring and equipment, whereas VTS-K promotes weaning off opioids, alleviating the resource consumption.

Description

STUDY OBJECTIVES

To evaluate analgesic efficacy of orally administered VTS-K (liquid oral ketamine taken simultaneously with VTS-Aspirin and oral ketamine (in a liquid form)) for pain management of adult ED patients presenting to the ED with acute musculoskeletal pain

HYPOTHESIS

In our pilot study we hypothesize that the VTS-K combination will result in analgesia with a change in pain score at least of 1.3 points on NRS. The primary outcome of this trial is the reduction in participant's pain scores at 60 minutes post medication administration.

STUDY DESIGN

Subjects: Patients 18 years of age and older presenting to the ED with acute musculoskeletal painful conditions (traumatic and non-traumatic) with a an initial pain score of 5 or more on a standard 11- point (0 to 10) numeric rating scale and requiring oral analgesia as determined by the treating attending physician. Patients' screening and enrollment will be performed by study investigators and research assistants. All patients will be enrolled at various times of the day when study investigators will be available for patient enrollment and an ED pharmacist will be available for medication preparation

Eligibility Criteria: Patients 18 years of age and older presenting to the ED with acute musculoskeletal painful conditions (traumatic and non-traumatic) with an initial pain score of 5 on a standard 11- point (0 to 10) numeric rating scale. Patients will have to be awake, alert, and oriented to person, place, and time, and will be able to demonstrate understanding of the informed consent process and content. Patients also will have to demonstrate ability to verbalize the nature of any adverse effects they might experience as well as to express their pain severity by using the NRS.

Exclusion Criteria: Patients with altered mental status, allergy to aspirin and ketamine, pregnant patients, unstable vital signs (systolic blood pressure <90 or>180 mm Hg, pulse rate <50 or >150 beats/min, and respiration rate <10 or >30 breaths/min), inability to provide consent, consumption of Aspirin or NSAID's within 6 hours of arrival to the ED, active PUD, history of GI Hemorrhage, history of renal and hepatic insufficiency, past medical history of alcohol or drug abuse, or schizophrenia.

Design: This is a prospective observational pilot trail evaluating analgesic efficacy and safety of VTS-K in adult patients presenting to the ED of Maimonides Medical Center with acute musculoskeletal painful conditions. Upon meeting the eligibility criteria, patients will be offered to participate in the study.

Data Collection Procedures: Each patient will be approached by a study investigator for acquisition of written informed consent and Health Insurance Portability and Accountability Act authorization after being evaluated by the treating emergency physician and determined to meet study eligibility criteria. When English will not be the participant's primary language, a language- appropriate consent form will be used and non-investigator, hospital-employed, trained interpreters or licensed telephone interpreter will assist in acquisition of informed consent. Baseline pain score will be determined with an 11-point numeric rating scale (0 to 10), described to the patient as "no pain" being 0 and "the worst pain imaginable" being 10. A study investigator will record the patient's body weight and baseline vital signs.

The on-duty ED pharmacist will prepare an oral dose of ketamine by using a formulary for parenteral use. The oral dosing regimen of ketamine is 0.5 mg/kg that will be placed in the syringe or a medication cup. The research associate will deliver both medications (VTS-Aspirin and Oral Ketamine) to the patient. Study investigators will record pain scores and adverse effects at 15, 30, 60, and 90 minutes. If patients reported a pain numeric rating scale score of 5 or greater and requested additional pain relief, an oral immediate release morphine tablet of 7.5 mg will be given

All data will be recorded on data collection sheets, including patients' sex, demographics, medical history, and vital signs, and entered into SPSS (version 24.0; IBM Corp) by the research manager. Confirmation of written consent acquisition for all participants, and statistical analyses will be conducted by the statistician, who will work independently of any data collection.

Patients will be closely monitored for adverse effects during the entire study period (up to 90 minutes) by study investigators. Common adverse effects that are associated with oral ketamine are felling of unreality, dizziness, nausea, vomiting, and sedation. Common adverse effects are associated with VTS-Aspirin are nausea, dyspepsia, epigastric discomfort.

Details
Condition Acute Pain, Pain, Acute, Pain Acute
Treatment VTS-K
Clinical Study IdentifierNCT04702555
SponsorAntonios Likourezos
Last Modified on5 May 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age between 18 yrs and 110 yrs?
Gender: Male or Female
Do you have any of these conditions: Pain, Acute or Pain Acute or Acute Pain?
Do you have any of these conditions: Pain Acute or Acute Pain or Pain, Acute?
Do you have any of these conditions: Pain Acute or Acute Pain or Pain, Acute?
years+
presenting to Maimonides Medical Center ED
acute musculoskeletal painful conditions (traumatic and non-traumatic) with an initial pain score of 5 on a standard 11- point (0 to 10) numeric rating scale
be awake, alert, and oriented to person, place, and time
demonstrate understanding of the informed consent process and content
have to demonstrate ability to verbalize the nature of any adverse effects they might experience as well as to express their pain severity by using the NRS

Exclusion Criteria

Patients with altered mental status
allergy to aspirin and ketamine
pregnant patients
unstable vital signs (systolic blood pressure <90 or>180 mm Hg
pulse rate <50 or >150 beats/min
respiration rate <10 or >30 breaths/min)
inability to provide consent
consumption of Aspirin or NSAID's within 6 hours of arrival to the ED
active PUD
history of GI Hemorrhage
history of renal and hepatic insufficiency
past medical history of alcohol or drug abuse
schizophrenia
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