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Finafloxacin for the Treatment of cUTI and/or Acute Pyelonephritis

Information source: MerLion Pharmaceuticals GmbH
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Urinary Tract Infections; Acute Pyelonephritis

Intervention: Finafloxacin 800 mg i.v. once daily (Drug); Finafloxacin placebo i.v. once daily (Drug); Finafloxacin 800 mg tablets (as four 200 mg tablets) once daily (Drug); Finafloxacin placebo tablets (as four tablets) once daily (Drug); Ciprofloxacin 400 mg i.v. two times daily (Drug); Ciprofloxacin placebo i.v. two times daily (Drug); Ciprofloxacin 500 mg oral (as two 250 mg capsules) two times daily (Drug); Ciprofloxacin placebo oral (as two capsules each) two times daily (Drug)

Phase: Phase 2

Status: Active, not recruiting

Sponsored by: MerLion Pharmaceuticals GmbH

Official(s) and/or principal investigator(s):
Florian Wagenlehner, Prof., Principal Investigator, Affiliation: Germany: University Hospital Giessen and Marburg, Department of Urology
Michal Nowicki, Prof., Principal Investigator, Affiliation: Poland: Medical University Lodz, Department of Nephrology

Summary

The primary objective of this study is to evaluate the microbiological and clinical outcome of treatment with finafloxacin for 5 days versus finafloxacin for 10 days versus ciprofloxacin for 10 days as a reference comparator.

Clinical Details

Official title: A Multi-Dose, Double-Blind, Double-Dummy, Active- Control, Randomized Clinical (Phase II) Study of Two Dosing Regimens of Finafloxacin for the Treatment of cUTI and/or Acute Pyelonephritis Requiring Hospitalisation.

Study design: Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Primary outcome: Clinical and microbiological response of patients with cUTI or pyelonephritis.

Secondary outcome:

The clinical and microbiological response at the On Therapy (OT) visit (Day 3).

The clinical and microbiological response at the End of Therapy (EoT) visit (Day 10).

The clinical and microbiological response at the End of Study (EoS) visit (Day 24).

The safety and tolerability of multiple doses of finafloxacin of both 5 days and 10 days of treatment with finafloxacin (i.v. and oral) in subjects with cUTI, compared to 10 days of ciprofloxacin (i.v. and oral).

The predictive capacity of PK/PD data of both 5 days and 10 days of treatment with finafloxacin (i.v. and oral) in subjects with cUTI, using 10 days of ciprofloxacin (i.v. and oral) as reference on clinical outcomes (EMA guidance).

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria: 1. Be male or female subjects ≥ 18 years of age. 2. If a female and 1. subject is of childbearing potential, must have documented use of using an effective contraceptive method (such as IUD, hormonal birth control, condom and spermicidal jelly, etc.) during the study, Contraception must have been used for at least 2 months before starting the study. A documented negative urine pregnancy test must be provided and the subject must be non-lactating. 2. subject is of non-childbearing potential, must be post-menopausal (i. e. has had amenorrhea for a minimum of 12 consecutive months) or surgically sterile due to bilateral tubal ligation, bilateral oophorectomy, or hysterectomy. 3. subject is truly abstinent. This is accepted as a method of contraception, but only when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence (e. g. calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception. 3. If a male, should agree to use reliable birth control methods (contraception or other barrier device) during study participation. 4. Must have complicated lower urinary tract infection or acute complicated or uncomplicated pyelonephritis (cPN or uPN; see section 5. 3) and must have at least two of the following acute signs and symptoms 1. Chills or rigors or warmth associated with fever (e. g. oral temperature greater than 38. 0 degrees Celsius ). 2. Flank pain (pyelonephritis) or pelvic pain (cUTI). 3. Nausea or vomiting. 4. Dysuria, urinary frequency, or urinary urgency. 5. Costo-vertebral angle tenderness (pyelonephritis) on physical examination. 5. Provide one pre-treatment adequate urine sample (the urine sample must return a positive culture in order for the subject to remain eligible for the study) For males: midstream clean catch, for females: in-out catheterisation or midstream clean catch. The urine sample must be provided within 24 hours before the start of administration of the first dose of study drug. A positive urine culture is defined as:

- ≥ 105 CFU/mL of one causative pathogen in the case of cUTI

- ≥ 104 CFU/mL of one causative pathogen in case of Pyelonephritis

A negative urine culture is defined as:

- < 105 CFU/mL of causative pathogen/s and/or non-target pathogens at any number

of CFUs in the case of cUTI

- < 104 CFU/mL of causative pathogen/s and/or non-target pathogens at any number

of CFUs in the case of Pyelonephritis Patients may be admitted to the study pending baseline urine culture results. Treatment should NOT be delayed pending urine culture results. NOTE: Because biofilms on indwelling catheters (e. g. Foley catheters) are more likely to be present after the catheter has been in place for a period of time, samples should be collected following the placement of a new catheter. If the placement of a new catheter is contraindicated or is not feasible, specimens should be collected using aseptic techniques with the urine obtained through a properly disinfected collection port. Urine samples should never be obtained from the collection bag. If the subject's pre-treatment culture shows the presence of a ciprofloxacin resistant pathogen the Investigator has to decide according to clinical signs and symptoms whether the subject can stay in the study. In the event of a negative urine culture, the subject must be withdrawn from the study and switched to standard care, because the inclusion criterion is not fulfilled. A urine culture is defined as contaminated if:

- at least one causative pathogen with ≥ 105 CFU/mL is present AND at least one

non-pathogen or additional causative pathogen/s at any number of CFU/mL are present in the case of cUTI

- at least one causative pathogen with ≥ 104 CFU/mL is present AND at least one

non-pathogen or additional causative pathogen/s with any number of CFU/mL in the case of pyelonephritis Subjects with contaminated urine cultures will be permitted to continue in the study, although this will impact on the subject's eligibility for analysis (see section 9. 3). 6. Have pyuria (i. e. a dipstick analysis positive for leukocyte esterase or at least 10 white blood cells per cubic millimetre [1 µl]). 7. Be considered ill enough to be hospitalized for at least 3 days and require initial parenteral therapy to manage cUTI and/or acute pyelonephritis by the standard of care. 8. Provide written informed consent to participate in the study. 9. Be willing and able to comply with all study procedures and activities. Exclusion Criteria: 1. Uncomplicated cystitis in females. 2. Failed previous antibiotic treatment within the last 4 weeks due to culture confirmed fluoroquinolone resistant pathogens. 3. Having ileal loops, urinary diversion with bowel segments or suspected or confirmed vesico-ureteral reflux, suspected or confirmed perinephric or intrarenal abscess (if an abscess is suspected an ultrasound should be performed to confirm and exclude). 4. History of renal transplant any permanent complicating factors of the urinary tract (including complete obstruction, suspected or confirmed prostatitis or epididymitis) which cannot be effectively treated during the therapy of the infection. 5. Indwelling urinary catheters expected to remain in place after therapy has been completed. 6. The urinary tract infection or any other concomitant bacterial infection that requires systemic antibiotic therapy (in addition to the study treatment) at the time of randomisation. Antibiotics with only gram-positive activity are permitted. 7. Any infection that, in the opinion of the Investigator, would be considered intractable and likely to require more than 10 days of study drug therapy. 8. Any recent use (e. g., within 48 hours before the first dose of study medication) of an antimicrobial therapy with a drug that has activity in the treatment of urinary tract infection. 9. Having been exposed to any fluoroquinolone in the 30 days before Day 1 (study enrolment), previous participation in a finafloxacin clinical trial or participation within the last 30 days in any other clinical study in general. 10. In the 12 months before study enrolment: known uncontrolled condition of hypertension or symptomatic hypotension, known uncontrolled cardiac arrhythmia, known ischaemic heart disease or history of myocardial infarction, coronary artery bypass surgery or percutaneous transluminal coronary angioplasty. 11. Significantly immunocompromised (defined as a WBC < 1000) and/or having a known infection with human immunodeficiency virus (HIV/AIDS), any haematological malignancy, bone marrow transplantation, or current immunosuppressive therapy (including but not limited to cancer chemotherapy, or medications for prevention of organ transplantation rejection). 12. Any concomitant psychiatric, neurological or behavioural disorder, including epilepsy or other lesions of the central nervous system sufficient in the opinion of the Investigator to prevent or compromise the subject's participation in the study. 13. Any known concomitant bacterial or fungal sexually transmitted disease with the exception of candidiasis. 14. Having, in the opinion of the Investigator, any clinically significant serious or unstable physical illness likely to impact on the subject's wellbeing or the conduct and analysis of the study, including, but not limited to, acute hepatic failure, respiratory failure, severe, persistent diarrhoea and septic shock. 15. Any surgical or medical condition which might interfere with the distribution, metabolism or excretion of the drug, including, but not limited to moderate

(including estimated creatinine clearance of 30 - 59 mL/min) or severe impairment of

renal function (including an estimated creatinine clearance of < 30 mL/min), requirement for peritoneal dialysis, haemodialysis or haemofiltration, or oliguria. 16. Any malignant disease or a history of malignant neoplasm requiring a treatment with immune suppressive properties in the 6 months before baseline. 17. Known history of drug abuse. 18. Clinically abnormal haematology, biochemistry and urinalysis results at baseline including, but not limited to:

- AST, ALT, or alkaline phosphatase level greater than 3 times the upper limit of

normal (ULN).

- Total bilirubin greater than 2 times ULN.

- WBC count less than 1000/μL, platelet count less than 50,000/μL.

- Haematocrit less than 25%.

- Creatinine clearance < 60mL/minute.

19. Any clinically significant ECG abnormality on the baseline ECG subjects at risk for torsade de pointes arrhythmia or a history of significant or inadequately treated cardiac disease. 20. Documented history of hypersensitivity or allergy to or known contraindication to the use of fluoroquinolones. 21. Any history of tendon lesions or ruptures either during quinolone treatment or for any other reason. 22. Concomitant tizanidine use. 23. Any administration of corticosteroids equivalent to or greater than 20 mg of prednisone per day for more than 14 days before randomisation. 24. The subject, planned to be enrolled is an employee or relative of any involved study Investigator or any involved institution including MerLion or Galenus. 25. Life expectancy of less than 3 months. 26. Women who are pregnant or nursing. 27. Any other condition that, in the opinion of the Investigator, would prevent the subject from effectively participating in the study, place the subject at risk or affect the assessment of efficacy and safety of the study medication.

Locations and Contacts

Universitätsklinikum Giessen, Klinik für Urologie, Kinderurologie und Andrologie, Giessen 35392, Germany
Additional Information

Starting date: December 2012
Last updated: April 8, 2015

Page last updated: August 23, 2015

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