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Efficacy of Oral HA35 for Rapid Relief of Oral Pain and Pungent Sensation

6. september 2026 opdateret af: Nakhia Impex LLC

A Prospective, Single-Arm, Open-Label Pilot Clinical Study of Oral 10% 35 kDa Hyaluronan for Rapid Relief of Capsaicin/AITC-Induced Oral Pain and Pungent Sensation

This prospective, open-label, controlled pilot study evaluates oral 10% 35 kDa hyaluronan (HA35) versus four control interventions (C60 grapeseed oil，normal saline) for relief of capsaicin/AITC-induced oral pain and pungent sensation. Healthy participants receive standardized pain induction followed by single oral intervention. Pain/pungency assessed at 30 sec/60 sec/120 sec. Safety monitored throughout. Minimal-risk, non-invasive oral study.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This prospective, single-center, open-label, controlled pilot clinical study evaluates the rapid analgesic and anti-pungent effects of oral 10% 35 kDa hyaluronan (HA35) compared with two control interventions in healthy adults with capsaicin/AITC-induced oral pain and pungent sensation.

Eligible participants undergo standardized pain induction:

Capsaicin (chili) challenge: Oral capsaicin exposure induces oral pain. AITC (wasabi/horseradish) challenge: Oral AITC exposure induces pain and pungency.

After induction, participants are assigned to 6 parallel groups:

HA35：20 mL 10% HA35 oral solution Control 1：20 mL 4 mg/L C60 grapeseed oil Control 2：20 mL normal saline All interventions administered orally, held 3-30 seconds then swallowed.

Outcome assessments:

Oral pain (0-10 NRS) Pungent/irritant sensation (0-10 NRS) Time points: Baseline, 30 sec, 60 sec, 120 sec Safety: Oral adverse events and tolerability monitored throughout. Minimal-risk, non-invasive oral intervention. All procedures follow Declaration of Helsinki; written informed consent obtained.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

30

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Kina
    • Shandong
      • Qingdao, Shandong, Kina, 266000
        • HA35

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ja

Beskrivelse

Inclusion Criteria:

  • Age 18-65 years, healthy adults
  • Able to tolerate capsaicin/AITC oral challenge
  • Able to complete NRS assessments
  • Signed informed consent

Exclusion Criteria:

  • Oral ulcers, lesions, or mucosal disease
  • Known hyaluronan allergy
  • Severe systemic disease
  • Pregnancy/lactation
  • Recent oral analgesic use (≤24h)

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Støttende pleje
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 辣椒素挑战+10%35kDa透明质酸（HA35）
Participants undergo standardized oral capsaicin challenge to induce oral pain and pungent sensation, followed by administration of 20 mL of 10% 35 kDa hyaluronan (HA35) oral solution. The solution is held in the mouth for 3-30 seconds and then swallowed.
Andet: Capsaicin Oral Challenge
A standardized oral capsaicin challenge administered to induce transient oral pain and pungent sensation before the assigned oral intervention.
Andre navne:
  • HA35 Oral Pain Relief Solution; Anti-Pungent Oral HA35 Solution
Andet: 10% 35 kDa Hyaluronan (HA35) Oral Solution
20 mL oral solution containing 10% 35 kDa hyaluronan (HA35). The solution is held in the mouth for 3-30 seconds and then swallowed following the assigned oral challenge.
Aktiv komparator: 辣椒素挑战+4毫克/升C60葡萄籽油
Participants undergo standardized oral capsaicin challenge to induce oral pain and pungent sensation, followed by administration of 20 mL of 4 mg/L C60 grapeseed oil oral solution. The solution is held in the mouth for 3-30 seconds and then swallowed.
Andet: Capsaicin Oral Challenge
A standardized oral capsaicin challenge administered to induce transient oral pain and pungent sensation before the assigned oral intervention.
Andre navne:
  • HA35 Oral Pain Relief Solution; Anti-Pungent Oral HA35 Solution
Andet: 4 mg/L C60 in Grapeseed Oil
20 mL preparation containing 4 mg/L C60 fullerene in grapeseed oil. The preparation is held in the mouth for 3-30 seconds and then swallowed following the assigned oral challenge.
Placebo komparator: 辣椒素挑战+0.9%正常生理盐水
Participants undergo standardized oral capsaicin challenge to induce oral pain and pungent sensation, followed by administration of 20 mL of 0.9% normal saline. The solution is held in the mouth for 3-30 seconds and then swallowed.
Andet: Capsaicin Oral Challenge
A standardized oral capsaicin challenge administered to induce transient oral pain and pungent sensation before the assigned oral intervention.
Andre navne:
  • HA35 Oral Pain Relief Solution; Anti-Pungent Oral HA35 Solution
Andet: 0.9% Normal Saline
20 mL of 0.9% sodium chloride solution. The solution is held in the mouth for 3-30 seconds and then swallowed following the assigned oral challenge.
Eksperimentel: AITC挑战+10%35kDa透明质酸（HA35）
Participants undergo standardized oral allyl isothiocyanate (AITC) challenge to induce oral pain and pungent sensation, followed by administration of 20 mL of 10% 35 kDa hyaluronan (HA35) oral solution. The solution is held in the mouth for 3-30 seconds and then swallowed.
Andet: 10% 35 kDa Hyaluronan (HA35) Oral Solution
20 mL oral solution containing 10% 35 kDa hyaluronan (HA35). The solution is held in the mouth for 3-30 seconds and then swallowed following the assigned oral challenge.
Andet: Allyl Isothiocyanate (AITC) Oral Challenge
A standardized oral allyl isothiocyanate (AITC) challenge administered to induce transient oral pain and pungent/irritant sensation before the assigned oral intervention.
Aktiv komparator: AITC挑战+4毫克/升C60葡萄籽油
Participants undergo standardized oral allyl isothiocyanate (AITC) challenge to induce oral pain and pungent sensation, followed by administration of 20 mL of 4 mg/L C60 grapeseed oil oral solution. The solution is held in the mouth for 3-30 seconds and then swallowed.
Andet: 4 mg/L C60 in Grapeseed Oil
20 mL preparation containing 4 mg/L C60 fullerene in grapeseed oil. The preparation is held in the mouth for 3-30 seconds and then swallowed following the assigned oral challenge.
Andet: Allyl Isothiocyanate (AITC) Oral Challenge
A standardized oral allyl isothiocyanate (AITC) challenge administered to induce transient oral pain and pungent/irritant sensation before the assigned oral intervention.
Placebo komparator: AITC挑战+0.9%正常盐水
Participants undergo standardized oral allyl isothiocyanate (AITC) challenge to induce oral pain and pungent sensation, followed by administration of 20 mL of 0.9% normal saline. The solution is held in the mouth for 3-30 seconds and then swallowed.
Andet: 0.9% Normal Saline
20 mL of 0.9% sodium chloride solution. The solution is held in the mouth for 3-30 seconds and then swallowed following the assigned oral challenge.
Andet: Allyl Isothiocyanate (AITC) Oral Challenge
A standardized oral allyl isothiocyanate (AITC) challenge administered to induce transient oral pain and pungent/irritant sensation before the assigned oral intervention.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in Oral and Upper-Airway Discomfort Intensity After Horseradish Stimulation (0-10 NRS)
Tidsramme: Baseline and 3 seconds and 30 seconds after treatment.
Change in overall oral and upper-airway discomfort induced by commercially available horseradish, assessed using an 11-point Numerical Rating Scale (NRS) ranging from 0 to 10, where 0 indicates no pain or irritation-related discomfort and 10 indicates the worst imaginable pain or irritation. The assessed sensation includes oral and lingual pain, nasal pungency, pharyngeal irritation, and cough-related discomfort.
Baseline and 3 seconds and 30 seconds after treatment.
Change in Oral Burning Pain Intensity After Chili Oil Stimulation (0-10 NRS)
Tidsramme: Baseline and 30 seconds, 60 seconds, and 120 seconds after treatment.
Change in oral burning pain induced by commercially available chili oil, assessed using an 11-point Numerical Rating Scale (NRS) ranging from 0 to 10, where 0 indicates no pain and 10 indicates the worst imaginable oral pain.
Baseline and 30 seconds, 60 seconds, and 120 seconds after treatment.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Nakhia Impex LLC

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

5. juni 2026

Primær færdiggørelse (Faktiske)

30. juni 2026

Studieafslutning (Faktiske)

10. juli 2026

Datoer for studieregistrering

Først indsendt

22. maj 2026

Først indsendt, der opfyldte QC-kriterier

1. juni 2026

Først opslået (Faktiske)

5. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

10. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

6. september 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • HA35202610

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Studerer et amerikansk FDA-reguleret enhedsprodukt

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