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Study of CA-008 (Vocacapsaicin) in Total Knee Arthroplasty

25. januar 2022 oppdatert av: Concentric Analgesics

A Phase 2, Randomized, Double-blind, Placebo-Controlled Efficacy, Pharmacokinetics and Safety Study of CA-008 (Vocacapsaicin) in Subjects Undergoing Total Knee Arthroplasty

This is a two-part, Phase 2, multi-center, randomized, double-blind, placebo-controlled, parallel design study of CA-008 (vocacapsaicin) vs. placebo injected/instilled during an elective TKA.

Studieoversikt

Status

Fullført

Detaljert beskrivelse

This is a Phase 2, multi-center, randomized, double-blind, placebo-controlled, parallel design study evaluating, in a pilot stage of the study, up to 3 ascending dose level cohorts each evaluating a single dose of CA-008 vs. placebo injected/instilled during an elective TKA. Up to 54 subjects will be randomized in the pilot stage. During the optional second stage of the study, subjects will be randomized to one of either 2 or 3 CA-008 dose levels (to be determined) or placebo. The Sponsor made the decision not to proceed with the second stage.

Studietype

Intervensjonell

Registrering (Faktiske)

55

Fase

  • Fase 2

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

    • Texas
      • Houston, Texas, Forente stater, 77402
        • HD Research

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år til 80 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Key Inclusion Criteria:

  1. Plan to undergo an elective primary unilateral total knee arthroplasty (TKA or knee replacement), without collateral procedure or additional surgeries.
  2. Be a reasonably healthy adult aged 18 - 80 years old, inclusive, with a BMI ≤ 36 kg/m2 and American Society of Anesthesiology (ASA) physical Class 1, 2 or 3 at the time of randomization.
  3. Males and females must abstain from intercourse, use acceptable birth control methods or be sterile or otherwise incapable of having children.
  4. Be willing and able to sign the informed consent form (ICF)
  5. Be willing and able to complete study procedures and pain scales and to communicate meaningfully in English. Be able and willing to return for outpatient follow up visits as required.

Key Exclusion Criteria:

  1. In the opinion of the Investigator,

    1. have a concurrent painful condition, other than pain in the knee to be replaced, that may require pain treatment during the study period.
    2. have active skin disease or other clinically significant abnormality at the anticipated site of surgery that could interfere with the planned surgery.
  2. Have a known allergy to chili peppers, capsaicin or the components of CA-008, ropivacaine, ketorolac, acetaminophen, fentanyl, hydromorphone, morphine or oxycodone.
  3. Have significant medical, neuropsychiatric or other condition.
  4. The following are considered disallowed medications:

    1. tolerant to opioids as defined
    2. capsaicin-containing products or foods.
    3. central nervous system active agent as an analgesic adjunct medication
    4. antiarrhythmics except beta-blockers, digoxin, warfarin, lithium, or aminoglycosides or other antibiotics for an infection
    5. parenteral or oral corticosteroids.
    6. antianginal, antihypertensive agent or diabetic regimen at a dose that has not been stable for at least 30 days or which is not expected to remain stable while participating in the study.
  5. Have positive results on the alcohol breath/saliva test indicative of alcohol abuse or urine drug screen indicative of illicit drug use at screening, and/or prior to surgery.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Aktiv komparator: CA-008 5 mg (0.05 mg/mL) Cohort 1
Cohort 1 (5 mg), was prepared at 0.05 mg/mL CA-008 (vocacapsaicin)
5 mg CA-008 (0.05 mg/mL), 10 mg CA-008 (0.1 mg/mL) and 15 mg CA-008 (0.15 mg/mL)
Andre navn:
  • vocacapsaicin
Placebo komparator: Placebo - Cohort 1

Placebo for Cohort 1

Placebo comparator identical in appearance to the investigational product, containing the same excipients as the active

Placebo
Aktiv komparator: CA-008 10 mg (0.1 mg/mL) Cohort 2
Cohort 2 (10 mg), was prepared at 0.1 mg/mL CA-008 (vocacapsaicin)
5 mg CA-008 (0.05 mg/mL), 10 mg CA-008 (0.1 mg/mL) and 15 mg CA-008 (0.15 mg/mL)
Andre navn:
  • vocacapsaicin
Aktiv komparator: CA-008 15 mg (0.15 mg/mL) Cohort 3
Cohort 3 (15 mg), was prepared at 0.15 mg/mL CA-008 (vocacapsaicin)
5 mg CA-008 (0.05 mg/mL), 10 mg CA-008 (0.1 mg/mL) and 15 mg CA-008 (0.15 mg/mL)
Andre navn:
  • vocacapsaicin
Placebo komparator: Placebo - Cohorts 2 and 3

Placebo - Cohorts 2 and 3

Placebo comparator identical in appearance to the investigational product, containing the same excipients as the active

Placebo

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Time-specific Mean Pain Intensity Scores (NRS) at Time 96 Hours for CA-008 vs. Placebo
Tidsramme: At 96 hours
Primary Efficacy Endpoint for the Pilot Stage. Time-specific mean pain intensity scores at Time 96 hours for CA-008 vs. placebo based on a 10-point numerical rating scale (NRS) from 0-10 where 0 is no pain and 10 is the worst pain imaginable).
At 96 hours
CA-008 Dose vs. Placebo Comparison: Area Under the Curve (AUC) 0 to 96 Hours
Tidsramme: From 0 hours to 96 hours

Primary Efficacy Endpoint for Stage 2. Area Under the Curve (AUC) of the NRS current pain intensity scores from Time 0 hours to 96 hours at rest (AUC0 to 96h) where 0 is no pain and 10 is the worst pain imaginable for CA-008 compared to placebo. •

During the inpatient stay, NRS at rest beginning with the PACU admission may be assessed once the subject is awake.

The maximum is an NRS score of 10 x all 96 hours = 960 NRS units*hrs; the minimum is 0 x 96h = 0 NRS units*hrs

From 0 hours to 96 hours

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Percentage of Subjects Who do Not Require Opioids
Tidsramme: Time 0 hours to Time 96 hours: Opioid Free 0 hours to 96 hours
Key Secondary Efficacy Endpoints for Stage 2. For each CA-008 dose vs. placebo comparison, percentage of subjects who do not require opioids.
Time 0 hours to Time 96 hours: Opioid Free 0 hours to 96 hours
Total Opioid Consumption (in Daily Oral Morphine Equivalents)
Tidsramme: OC from Time 0 hours to Time 96 hours: OC 0 hours to 96 hours
Key Secondary Efficacy Endpoints for Stage 2. Mean total postoperative opioid consumption (in daily oral morphine equivalents) for CA-008 compared to placebo
OC from Time 0 hours to Time 96 hours: OC 0 hours to 96 hours

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Etterforskere

  • Hovedetterforsker: Daneshvari Solanki, MD, First Surgical Hospital

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

29. oktober 2018

Primær fullføring (Faktiske)

30. april 2019

Studiet fullført (Faktiske)

31. mai 2019

Datoer for studieregistrering

Først innsendt

24. oktober 2018

Først innsendt som oppfylte QC-kriteriene

5. november 2018

Først lagt ut (Faktiske)

6. november 2018

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

15. februar 2022

Siste oppdatering sendt inn som oppfylte QC-kriteriene

25. januar 2022

Sist bekreftet

1. desember 2021

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • CA-PS-203

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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