Clinical trial • Phase II | Phase IV • Infectious Disease

Phenoxymethylpenicillin potassium for Need of Oral bone augmentation

Phase II | Phase IV trial of Phenoxymethylpenicillin potassium for Need of Oral bone augmentation.

Overview

Trial Therapeutic Area
Infectious Disease
Trial Disease
Need of Oral bone augmentation
Trial Stage
Phase II | Phase IV
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
17-10-2024
First CTIS Authorization Date
05-11-2024

Trial design

Short prophylaxis: single dose Amoxicillin 2 g one hour prior to surgery; Prolonged prophylaxis: Amoxicillin 2 g one hour prior to surgery + phenoxymethylpenicillin 1.6 g three times daily for seven days after surgery.-controlled Phase II | Phase IV trial across 2 sites in Sweden.

Comparator
Short prophylaxis: single dose Amoxicillin 2 g one hour prior to surgery; Prolonged prophylaxis: Amoxicillin 2 g one hour prior to surgery + phenoxymethylpenicillin 1.6 g three times daily for seven days after surgery.
Target Sample Size
80

Eligibility

Recruits 80 No vulnerable population selected; trial enrols adults (≥18 years) only and requires signed informed consent..

Pregnancy Exclusion
Contraindication for dental surgical treatment (i.e. immunocompromised, uncontrolled DM (B-GHb-A1C 8–9 %, 64–75 mmol/ml), osteoporosis, i.v. bisphosphonate treatment due to malignancy, pregnant and lactating women).
Vulnerable Population
No vulnerable population selected; trial enrols adults (≥18 years) only and requires signed informed consent.

Inclusion criteria

  • {"criterion_text":"- Male or female ≥18-80 year"}
  • {"criterion_text":"- Partially or completely edentulous subjects with healthy or treated periodontal conditions."}
  • {"criterion_text":"- Patients who have been referred by a general dentist or specialist in prosthodontics to a specialist clinic in oral and maxillofacial surgery, for treatment with dental implants."}
  • {"criterion_text":"- Inadequate amount of bone to allow insertion of dental implant according to the operating surgeon."}
  • {"criterion_text":"- Signed informed consent."}

Exclusion criteria

  • {"criterion_text":"- Known allergy to amoxicillin, phenoxymethylpenicillin or other betalactam antibiotic."}
  • {"criterion_text":"- Current participation in other medical study."}
  • {"criterion_text":"- Contraindication for dental surgical treatment (i.e. immunocompromised, uncontrolled DM (B-GHb-A1C 8–9 %, 64–75 mmol/ml), osteoporosis, i.v. bisphosphonate treatment due to malignancy, pregnant and lactating women)."}
  • {"criterion_text":"- Incapability to perform basal oral hygiene measures due to physical or mental disorders."}
  • {"criterion_text":"- Received systemic antimicrobial therapy in the past three months."}
  • {"criterion_text":"- Currently on allopurinol, probenicid, methotrexate, or warfarin."}
  • {"criterion_text":"- Untreated periodontal condition."}
  • {"criterion_text":"- Active smoking."}
  • {"criterion_text":"- Any medical condition or on any concomitant medication that, in the opinion of the investigator, might interfere with the evaluation of the study objectives or jeopardize subjects’ safety."}
  • {"criterion_text":"- Patients with xerostomia or having slow bowel motion (less than one stool daily) will be excluded from the group of subjects providing salivary and fecal samples."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Occurrence of postoperative infection, which will be determined by evaluating the following parameters","definition_or_measurement_approach":"Determined by evaluating the following parameters: pus in surgical field (absolute indication of infection; defined as discoloured exudate from surgical wound), occurrence of fistula in surgical field (absolute indication of infection; defined as communication between oral cavity and implanted material through confirmed by using gingival pocket probe), swelling in surgical field (relative indication of infection and requires occurrence of one or more of the absolute indications; defined as objective pathologic increase in tissue volume over surgical field compared to contralateral side or normal condition), and pain (relative indication of infection and requires occurrence of one or more of the absolute indications; subjective report of local pain in surgical field)."}
  • {"endpoint_text":"- Pus in surgical field (absolute indication of infection). Defined as discoloured exudate from surgical wound.","definition_or_measurement_approach":"Defined as discoloured exudate from surgical wound; considered an absolute indication of infection."}
  • {"endpoint_text":"- Occurrence of fistula in surgical field (absolute indication of infection). Defined as communication between oral cavity and implanted material through confirmed by using gingival pocket probe.","definition_or_measurement_approach":"Defined as communication between oral cavity and implanted material confirmed by using a gingival pocket probe; considered an absolute indication of infection."}
  • {"endpoint_text":"- Swelling in surgical field (relative indication of infection and requires occurrence of one or more of the absolute indications). Defined as objective pathologic increase in tissue volume over surgical field compared to contralateral side or normal condition.","definition_or_measurement_approach":"Defined as objective pathologic increase in tissue volume over surgical field compared to contralateral side or normal condition; considered a relative indication and requires one or more absolute indications to diagnose infection."}
  • {"endpoint_text":"- Pain (relative indication of infection and requires occurrence of one or more of the absolute indications). Subjective report of local pain in surgical field.","definition_or_measurement_approach":"Subjective report of local pain in the surgical field; considered a relative indication and requires one or more absolute indications to diagnose infection."}

Secondary endpoints

  • {"endpoint_text":"- Survival of augmented material","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Survival of dental implant (if applicable)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Dehiscence of bone augmented area.","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Quantitative and qualitative change in levels of the oral and faecal microflora.","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Changes in occurrence of antibiotic resistance in the oral and faecal microflora.","definition_or_measurement_approach":""}

Recruitment

Planned Sample Size
80
Recruitment Window Months
105
Consent Approach
Signed informed consent required from each participant; trial enrols adults only (≥18 years). Specific assent/parental consent not applicable.

Geography

Total Number Of Sites
2
Total Number Of Participants
80

Sweden

Earliest CTIS Part Ii Submission Date
30-10-2024
Latest Decision Or Authorization Date
18-08-2025
Processing Time Days
292
Number Of Sites
2
Number Of Participants
80

Sites

Site Name
Region Stockholm Folktandvarden
Department Name
Dental Medicina
Principal Investigator Name
Carina KRÜGER WEINER
Principal Investigator Email
Carina.kruger.weiner@ki.se
Contact Person Name
Carina KRÜGER WEINER
Contact Person Email
Carina.kruger.weiner@ki.se
Site Name
Jönköping Regional Hospital
Department Name
Department of Oral and Maxillofacial Surgery
Principal Investigator Name
Fredrik Holmqvist
Principal Investigator Email
fredrik.holmqvist@rjl.se
Contact Person Name
Fredrik Holmqvist
Contact Person Email
fredrik.holmqvist@rjl.se

Sponsor

Primary sponsor

Full Name
Karolinska Institutet
Organisation Type
Educational Institution
Country Of Registered Address
Sweden

Investigational products

Investigational Product Name
Kåvepenin 800 mg filmdragerade tabletter
Active Substance
Phenoxymethylpenicillin potassium
Modality
Small molecule
Routes Of Administration
Oral
Route
Oral
Authorisation Status
Authorised (marketing authorisation number 8868)
Starting Dose
Phenoxymethylpenicillin 1.6 g three times daily for seven days (as per protocol prolonged prophylaxis)
Frequency
Three times daily for seven days
Maximum Dose
4800 mg/day
Investigational Product Name
Amimox 500 mg filmdragerade tabletter
Active Substance
Amoxicillin
Modality
Small molecule
Routes Of Administration
Oral
Route
Oral
Authorisation Status
Authorised (marketing authorisation number 11647)
Starting Dose
Amoxicillin 2 g single dose one hour prior to surgery (as per protocol)
Frequency
Single dose (preoperative, one hour prior to surgery)
Maximum Dose
2 g/day
Combination Treatment
Yes

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