Phase 3
N=930
Zoliflodacin in Uncomplicated Gonorrhoea
Gonorrhea
Bottom Line
View on ClinicalTrials.gov: NCT03959527 ↗Enrolled (actual)
930
Serious AEs
0.0%
Results posted
Jul 2024
Primary outcome: Primary: Microbiological Cure Rate for Zoliflodacin Compared to a Combination of a Single Dose of Ceftriaxone and Azithromycin. — 90.9; 96.2 percentage of participants
Study Design & Population
- Study type
- Interventional
- Phase
- Phase 3
- Interventions
- zoliflodacin (Drug); ceftriaxone (Drug); azithromycin (Drug)
- Age
- Pediatric, Adult, Older Adult · 12+ yrs
- Sex
- All
- Sponsor
- Global Antibiotics Research and Development Partnership
- Primary completion
- Aug 2023
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Microbiological Cure Rate for Zoliflodacin Compared to a Combination of a Single Dose of Ceftriaxone and Azithromycin. |
90.9; 96.2 | — |
| SECONDARY Safety of a Single Dose of Zoliflodacin Will be Assessed Compared to a Combination a Single Dose of Ceftriaxone and Azithromycin. |
287; 144; 117; 76; 0; 0 | — |
| SECONDARY Microbiological Cure Rate of Pharyngeal Gonorrhoea of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin. |
42; 22 | — |
| SECONDARY Microbiological Cure Rate of Rectal Gonorrhoea of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin. |
69; 31 | — |
| SECONDARY The Clinical Cure Rate in Male Participants After Administration of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin. |
375; 194 | — |
| SECONDARY Microbiological Cure Rate Among Females, After Administration of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin |
48; 16 | — |
| SECONDARY Microbiological Cure Rate Among Males, After Administration of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin |
412; 213 | — |
| SECONDARY Eradication of Urogenital NG NAAT at TOC After Administration of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin. |
405; 190 | — |
| SECONDARY Eradication of Pharyngeal NG NAAT at TOC After Administration of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin. |
28; 12 | — |
| SECONDARY Eradication of Rectal NG NAAT at TOC After Administration of a Single Dose of Zoliflodacin Compared to a Single Dose of Ceftriaxone and Azithromycin. |
60; 27 | — |
| SECONDARY Arithmetic Mean Plasma Concentration of Zoliflodacin |
3270 | — |
| SECONDARY Arithmetic Mean Plasma Concentration of Zoliflodacin |
3270 | — |
| SECONDARY Arithmetic Mean Plasma Concentration of Zoliflodacin |
3270 | — |
| SECONDARY Arithmetic Mean Plasma Concentration of Zoliflodacin |
3270 | — |
| SECONDARY Arithmetic Mean Plasma Concentration of Zoliflodacin |
3270 | — |
| SECONDARY Evaluation of the Plasma PK Profile (Tlast) After a Single, Oral, 3 g Dose of Zoliflodacin |
24.6 | — |
| SECONDARY Evaluation of the Plasma PK Profile(Tmax) After a Single, Oral, 3 g Dose of Zoliflodacin |
4.83 | — |
| SECONDARY Evaluation of the Plasma PK Profile (Cmax) After a Single, Oral, 3 g Dose of Zoliflodacin |
31800 | — |
| SECONDARY Evaluation of the Plasma PK Profile After a Single, Oral, 3 g Dose of Zoliflodacin |
330000 | — |
| SECONDARY Antimicrobial Susceptibility (Azithromycin) Profile of NG Isolates Obtained at Baseline (Day 1) |
1; 1 | — |
| SECONDARY Antimicrobial Susceptibility (Azithromycin) Profile of NG Isolates Obtained at Test of Cure Visit. |
0.25 | — |
| SECONDARY Antimicrobial Susceptibility (Cefixime) Profile of NG Isolates Obtained at Baseline |
0.06; 0.06 | — |
| SECONDARY Antimicrobial Susceptibility (Cefixime) Profile of NG Isolates Obtained at Test of Cure Visit. |
0.015 | — |
| SECONDARY Antimicrobial Susceptibility (Ceftriaxone) Profile of NG Isolates Obtained at Baseline |
0.015; 0.015 | — |
| SECONDARY Antimicrobial Susceptibility (Ceftriaxone) Profile of NG Isolates Obtained at Test of Cure Visit. |
0.015 | — |
| SECONDARY Antimicrobial Susceptibility (Ciprofloxacin) Profile of NG Isolates Obtained at Baseline |
2; 2 | — |
| SECONDARY Antimicrobial Susceptibility (Ciprofloxacin) Profile of NG Isolates Obtained at Test of Cure Visit |
2 | — |
| SECONDARY Antimicrobial Susceptibility (Gentamicin) Profile of NG Isolates Obtained at Baseline |
8; 8 | — |
| SECONDARY Antimicrobial Susceptibility (Gentamicin) Profile of NG Isolates Obtained at Test of Cure Visit. |
8 | — |
| SECONDARY Antimicrobial Susceptibility (Spectinomycin) Profile of NG Isolates Obtained at Baseline |
32; 32 | — |
| SECONDARY Antimicrobial Susceptibility (Spectinomycin) Profile of NG Isolates Obtained at Test of Cure Visit |
32 | — |
| SECONDARY Antimicrobial Susceptibility (Tetracycline) Profile of NG Isolates Obtained at Baseline |
4; 4 | — |
| SECONDARY Antimicrobial Susceptibility (Tetracycline) Profile of NG Isolates Obtained at Test of Cure Visit |
4 | — |
| SECONDARY Antimicrobial Susceptibility (Zoliflodacin) Profile of NG Isolates Obtained at Baseline |
0.12; 0.12 | — |
| SECONDARY Antimicrobial Susceptibility (Zoliflodacin) Profile of NG Isolates Obtained at Test of Cure Visit |
0.12 | — |
Summary
This trial is a multi-center, open label, randomized controlled, non-inferiority phase III trial evaluating the safety and efficacy of a 3 g oral dose of zoliflodacin compared to a combination of a single intra-muscular 500 mg dose of ceftriaxone and a single 1 g oral dose of azithromycin for the treatment of uncomplicated gonorrhoea.
Eligibility Criteria
Inclusion Criteria
- Age ≥ 12 years old (if enrolment of minors is in agreement with local regulations and Ethics guidance)
- Weight ≥ 35 kg
- Signs and symptoms consistent with urethral or cervical gonorrhoea OR Urethral or cervical uncomplicated gonorrhoea as determined by either a positive culture or NAAT or Gram stain or methylene blue test/gentian violet stain in the past 14 days prior to screening OR Unprotected sexual contact with an individual reported to be infected with NG in the past 14 days prior to screening (confirmation by a positive NAAT, Gram stain or methylene blue test/ gentian violet stain or culture)
- For females of child-bearing potential, a negative urine pregnancy test at screening
- For females of child bearing potential, use of highly effective contraception for at least 28 days prior to screening and during at least 28 days after treatment. Females on oral contraceptives must also use a barrier contraception method during participation in the study.
- For males with a female partner of child-bearing age, willingness to delay conception for 28 days after treatment
- Willingness to comply with trial protocol
- Willingness to undergo HIV testing
- Willingness to abstain from sexual intercourse or use condoms for vaginal, anal and oral sex until end of trial visit
- Willingness and ability to give written informed consent or be consented by a legal representative or provide assent and parental consent (for minors, as appropriate).
Exclusion Criteria
- Confirmed or suspected complicated or disseminated gonorrhoea
- Pregnant or breastfeeding women
- Known concomitant infection which would require immediate additional systemic antibiotics with activity against NG (e.g. CT infection)
- Use of any systemic or intravaginal antibiotics with activity against NG within 30 days prior to screening
- Use of systemic corticoid drugs or other immunosuppressive therapy within 30 days prior to screening
- Use of moderate or strong CYP3A4 inducers (e.g. efavirenz, rifampicin, carbamazepine, phenobarbital) within 30 days or five half-lives of the drug, whichever is greater, prior to screening
- Cytotoxic or radiation therapy within 30 days prior to screening
- Known chronic renal, hepatic, hematologic impairment or other condition interfering with the absorption, distribution or elimination of the drug based on medical history and physical examination
- History of urogenital sex-reassignment surgery
- Immunosuppression as evidenced by medical history, clinical examination or a recent (≤ 1 month) CD4 count <200 cells/μL
- Know clinically relevant cardiac pro-arrhythmic conditions such as cardiac arrhythmia, congenital or documented QT prolongation
- Known history of severe allergy to cephalosporin, penicillin, monobactams, carbapenems or macrolide antibiotics
- Known or suspected allergies or hypersensitivities to lidocaine, methylparaben, lactose or any of the components of the study drugs (refer to the zoliflodacin IB and SmPC for the comparators treatments)
- Receipt or planned receipt of an investigational product in a clinical trial within 30 days or five half-lives of the drug, whichever is greater, prior to screening until end of participation to this clinical trial
- History of alcohol or drug abuse within 12 months prior to screening which would compromise trial participation in the judgment of the investigator
- Severe medical or psychiatric condition which, in the opinion of the investigator, may increase the risk associated with trial participation or may interfere with the interpretation of trial results or affect the individual's ability to provide informed consent
- Individuals whom, in the judgement of the investigator, are unlikely or unable to comply with this trial protocol
- Previous randomisation in this clinical trial.
- Use of moderate or strong CYP3A4 inhibitors within 30 days or five half-lives of the drug, whichever is greater, prior to screeni
Data sourced from ClinicalTrials.gov (NCT03959527). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.