Efficacy of Oral HA35 for Rapid Relief of Oral Pain and Pungent Sensation
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
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
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
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Shandong
-
Qingdao, Shandong, Kina, 266000
- HA35
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
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
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Støttende pleje
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / 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.
|
A standardized oral capsaicin challenge administered to induce transient oral pain and pungent sensation before the assigned oral intervention.
Andre navne:
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.
|
A standardized oral capsaicin challenge administered to induce transient oral pain and pungent sensation before the assigned oral intervention.
Andre navne:
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.
|
A standardized oral capsaicin challenge administered to induce transient oral pain and pungent sensation before the assigned oral intervention.
Andre navne:
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.
|
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.
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.
|
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.
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.
|
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.
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
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
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
- Farmaceutiske præparater
- Uorganiske kemikalier
- Krystalloidopløsninger
- Isotoniske løsninger
- Elementer
- Fremstillede materialer
- Teknologi, industri og landbrug
- Kulstof
- Nanostrukturer
- Nanopartikler
- Nanospheres
- Salinopløsning
- Løsninger
- allylisothiocyanat
- 2,3,4-tri-O-acetylarabinopyranosyl isothiocyanate
- Fullerenes
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- HA35202610
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