Comparison between Ropivacain and Lidocain for post-tonsillectomy pain

2025-520820-44-00 Therapeutic use (Phase IV) Ongoing, recruiting

Start 26 Jun 2025 · Status Ongoing, recruiting · 1 EU/EEA countries · 1 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Ongoing, recruiting
Participants planned 60
Countries 1
Sites 1

Chronic Tonsillitis

Prove the superiority of ropivacain against lidocain regarding postoperative pain after tonsillectomy.

Key facts

Sponsor
Tauernkliniken GmbH A.ö. Tauernklinikum - Standort Zell am See
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Otorhinolaryngologic Diseases [C09]
Trial duration
26 Jun 2025 → ongoing
Decision date (initial)
2025-06-22
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Efficacy, Therapy

Prove the superiority of ropivacain against lidocain regarding postoperative pain after tonsillectomy.

Conditions and MedDRA coding

Chronic Tonsillitis

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 3

  1. Age: 18 years or older
  2. Chronic Tonsillitis
  3. Indication for tonsillectomy set by an otorhinolaryngologist

Exclusion criteria 10

  1. Intake of pain medication within 24h prior to the operation
  2. patients with peritonsillary absesses
  3. patients with known allergies on any used medication within the protocols
  4. patients who are unwilling or uncooperative
  5. patients who have a postoperative bleeding that has to be treated with a secondary operation
  6. patients with severe renal or hepatal dysfunction
  7. Patients under 18 years of age
  8. Patients who take medication, which is not allowed/interferes with the study outcome, or is contraindicated to take together with any study medication, and can not be paused for the trail duration
  9. current pregnancy
  10. chronic illnesses that make it impossible to take part in the trail because of contraindications to take the study medication

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. The primary endpoint of the study is the average postoperative pain score, measured using the Visual Analog Scale (VAS, 0–10), within the first 72 hours after tonsillectomy. Assessments will be conducted four times daily, for a total of 12 measurements.

Secondary endpoints 4

  1. Average postoperative pain score measured using the Visual Analog Scale (VAS, 0–10) after discharge, assessed four times daily for a total of 11 days (Day 4–14)
  2. Average amount of analgesics taken during the inpatient stay (Day 1–4), differentiated by two types of analgesic medications
  3. Average amount of analgesics taken during the inpatient stay (Day 1–4), differentiated by two types of analgesic medications
  4. Time to first rescue medication in hours and minutes from the end of surgery to administration

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 3

L-Adrenalin "Fresenius" spritzfertig 2,0 mg - Ampullen

PRD767210 · Product

Active substance
Epinephrine
Substance synonyms
Adrenaline, ADRENALINUM
Pharmaceutical form
SOLUTION FOR INJECTION/INFUSION
Route of administration
SUBMUCOSAL USE
Max daily dose
0.05 mg milligram(s)
Max total dose
0.05 mg milligram(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
C01CA24 — EPINEPHRINE
Marketing authorisation
1-21272
MA holder
FRESENIUS KABI AUSTRIA GMBH
MA country
Austria
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Ropivacainhydrochlorid Sintetica 5 mg/ml Injektionslösung

PRD1962128 · Product

Active substance
Ropivacaine Hydrochloride
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBMUCOSAL USE
Max daily dose
50 mg milligram(s)
Max total dose
50 mg milligram(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
N01BB09 — ROPIVACAINE
Marketing authorisation
82055.00.00
MA holder
SINTETICA GMBH
MA country
Germany
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Xylanaest 0,5 % mit Epinephrin 1:200.000 - Durchstechflaschen

PRD404083 · Product

Active substance
Epinephrine
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBMUCOSAL USE
Max daily dose
10 ml millilitre(s)
Max total dose
10 ml millilitre(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
N01BB52 — LIDOCAINE, COMBINATIONS
Marketing authorisation
17.909
MA holder
GEBRO PHARMA GMBH
MA country
Austria
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Auxiliary 6

Piritramide

SUB09920MIG · Substance

Active substance
Piritramide
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
INTRAVENOUS
Max daily dose
45 mg milligram(s)
Max total dose
225 mg milligram(s)
Max treatment duration
5 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Diclofenac Sodium

SUB01674MIG · Substance

Active substance
Diclofenac Sodium
Pharmaceutical form
FILM COATED TABLETS
Route of administration
ORAL
Max daily dose
150 mg milligram(s)
Max total dose
2100 mg milligram(s)
Max treatment duration
14 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Metamizole Sodium

SUB08810MIG · Substance

Active substance
Metamizole Sodium
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
INTRAVENOUS
Max daily dose
4 g gram(s)
Max total dose
20 g gram(s)
Max treatment duration
5 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Benzydamine Hydrochloride

SUB00737MIG · Substance

Active substance
Benzydamine Hydrochloride
Pharmaceutical form
OROMUCOSAL SOLUTION
Route of administration
ORAL
Max daily dose
40 ml millilitre(s)
Max total dose
560 mm millimeter(s)
Max treatment duration
14 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Metamizole Sodium Monohydrate

SUB03191MIG · Substance

Active substance
Metamizole Sodium Monohydrate
Pharmaceutical form
DROPS, SOLUTION
Route of administration
ORAL
Max daily dose
120 Gtt drop(s)
Max total dose
1320 Gtt drop(s)
Max treatment duration
11 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Pantoprazole

SUB09608MIG · Substance

Active substance
Pantoprazole
Pharmaceutical form
COATED TABLET
Route of administration
ORAL
Max daily dose
20 mg milligram(s)
Max total dose
280 mg milligram(s)
Max treatment duration
14 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Tauernkliniken GmbH A.ö. Tauernklinikum - Standort Zell am See

Sponsor organisation
Tauernkliniken GmbH A.ö. Tauernklinikum - Standort Zell am See
Address
Paracelsusstraße 8, A-5700 Zell am See
City
Zell am See
Postcode
5700
Country
Austria

Scientific contact point

Organisation
Tauernkliniken GmbH A.ö. Tauernklinikum - Standort Zell am See
Contact name
Ildiko Takacs

Public contact point

Organisation
Tauernkliniken GmbH A.ö. Tauernklinikum - Standort Zell am See
Contact name
Ildiko Takacs

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Austria Ongoing, recruiting 60 1
Rest of world 0

Investigational sites

Austria

1 site · Ongoing, recruiting
Tauernkliniken GmbH
Hals-, Nasen- und Ohren-Heilkunde, Paracelsusstrasse 8, 5700, Zell Am See

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Austria 2025-06-26 2025-06-26

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 8 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) Case Report Form 1.1
Protocol (for publication) D1_Protocol 2025-520820-44-00 2.4
Protocol (for publication) D4_Patient facing documents Schmerzerfassung nach Entlassung 1.1
Protocol (for publication) D4_Patient facing documents Schmerzerfassung stationar 1.1
Recruitment arrangements (for publication) K1_Recruitment arrangements 1.1
Recruitment arrangements (for publication) K2_Recruitment material Ausschreibung TE Studie 1.2
Subject information and informed consent form (for publication) L1_SIS and ICF 1.2
Synopsis of the protocol (for publication) D1_Protocol synopsis 2025-520820-44-00 1.4

Application history

3 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-03-28 Austria Acceptable
2025-06-17
2025-06-22
2 NON SUBSTANTIAL MODIFICATION NSM-1 2026-02-28 Austria Acceptable
2025-06-17
2026-02-28
3 NON SUBSTANTIAL MODIFICATION NSM-2 2026-05-25 Austria Acceptable
2025-06-17
2026-05-25