Unbound Cloxacillin Concentrations During Continuous Infusion

2023-510423-30-00 Therapeutic use (Phase IV) Ongoing, recruiting

Start 12 Dec 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 25
Countries 1
Sites 1

Staphylococcus aureus infection

The purpose of the study is to verify that continuous infusion of cloxacillin via an elastomeric pump provides an adequate concentration of free cloxacillin, and that patients are not at risk of neither toxic nor inadequate levels.

Key facts

Sponsor
Region Vaestmanland
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Bacterial Infections and Mycoses [C01]
Trial duration
12 Dec 2025 → ongoing
Decision date (initial)
2025-07-25
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No
Funding sources
Region Västmanland

External identifiers

EU CT number
2023-510423-30-00
ClinicalTrials.gov
NCT06848387

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Pharmacokinetic

The purpose of the study is to verify that continuous infusion of cloxacillin via an elastomeric pump provides an adequate concentration of free cloxacillin, and that patients are not at risk of neither toxic nor inadequate levels.

Conditions and MedDRA coding

Staphylococcus aureus infection

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 3

  1. Age ≥18 years
  2. Treating physician determines that the patient is suitable for transition from intermittent infusion to continuous infusion of cloxacillin (6-12g/24h) via elastomeric pump
  3. Ability to provide written informed consent

Exclusion criteria 2

  1. Mental incapacity, unwillingness, or language difficulties that result in difficulty understanding the implications of participating in the trial
  2. Known pregnancy

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Concentration of total and free (unbound) cloxacillin at four time points; at the start of continuous infusion, 4h (±1h) after the start of continuous infusion, 24h (±1h) after the start of continuous infusion, and 48h (±1h) after the start of continuous infusion.

Investigational products

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

Test 1

Cloxacillin Stragen 2 g pulver till injektions-/infusionsvätska, lösning

PRD9285368 · Product

Active substance
Cloxacillin Sodium
Pharmaceutical form
SOLUTION FOR INJECTION/INFUSION
Route of administration
INTRAVENOUS INFUSION
Max daily dose
12 g gram(s)
Max total dose
504 g gram(s)
Max treatment duration
6 Week(s)
Authorisation status
Authorised
ATC code
J01CF02 — CLOXACILLIN
Marketing authorisation
59080
MA holder
STRAGEN NORDIC A/S
MA country
Sweden
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Region Vaestmanland

2 Total trials 1 Recruiting
Academic / Non-commercial
Sponsor organisation
Region Vaestmanland
Address
Regionhuset
City
Vasteras
Postcode
721 89
Country
Sweden

Scientific contact point

Organisation
Region Vaestmanland
Contact name
CIFU Forskning

Public contact point

Organisation
Region Vaestmanland
Contact name
Kontaktcenter

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Sweden Ongoing, recruiting 25 1
Rest of world 0

Investigational sites

Sweden

1 site · Ongoing, recruiting
Region Vaestmanland
Hälso- och sjukvårdsförvaltningen, Regionhuset, 721 89, Vasteras

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
Sweden 2025-12-12 2026-01-14

Results and documents

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

Documents 5 files

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

TypeTitleVersion
Protocol (for publication) D1_Protocol 2023 510423 30 1
Recruitment arrangements (for publication) K1_Recruitment arrangements 1
Subject information and informed consent form (for publication) L1_SIS and ICF 1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Cloxacillin 1
Synopsis of the protocol (for publication) D1_Protocol synopsis Sv 2023 510423 30 1

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-06-03 Sweden Acceptable
2025-07-25
2025-07-25