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An interventional efficacy and safety Phase 3 double-blind 2-arm study to investigate IV followed by oral fosmanogepix compared with IV caspofungin followed by oral fluconazole in adult participants with candidemia and/or invasive candidiasis.

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-500455-23-00
Acronym
FMGX-CS-301
Enrollment
157
Registered
2022-10-26
Start date
2024-12-11
Completion date
Unknown
Last updated
2025-11-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Candidemia, Invasive candidiasis

Brief summary

Proportion of patients with an overall response of treatment success at end of study treatment (EOST). Time Frame: EOST (up to Day 42)

Detailed description

1. Proportion of patients alive at Day 30. Time Frame: Day 30, 2. Proportion of patients with overall response of treatment success at Day 7. Time Frame: Day 7, 3. Proportion of patients with an overall response of treatment success at Day 14. Time Frame: Day 14, 4. Proportion of patients with an overall response of treatment success at end of IV treatment (EOIV). Time Frame: up to Day 42, 5. Proportion of patients with an overall response of treatment success (sustained) at follow-up 6 weeks after EOST. Time Frame: approximately up to 12,5 weeks, 6. Proportion of patients with clinical response of success at Day 7, Day 14, EOIV, EOST, Follow-up 6- weeks after EOST. Time Frame: Day 14, EOIV (up to Day 42), EOST (up to Day 42), Follow-up 6-weeks after EOST, 7. Proportion of patients with mycological response of eradication or presumed eradication at Day 7, Day 14, EOIV, EOST, Follow-up 6-weeks after EOST. Time Frame: Day 14, EOIV (up to Day 42), EOST (up to Day 42), Follow-up 6-weeks after EOST, 8. Time to first negative blood culture in patients on fosmanogepix compared to caspofungin/fluconazole. Time Frame: Baseline up to follow-up 6-weeks after EOST (approximately up to 12,5 weeks), 9. Incidence of treatment-emergent adverse event (TEAEs), serious adverse events (SAEs), treatment-related adverse events (AEs), adverse events of special interest (AESI)and AEs leading to discontinuation. Time Frame: Screening up to follow-up 6-weeks after EOST (approximately up to 12,5 weeks), 10. Number of patients with clinically significant laboratory abnormalities. Time Frame: Baseline up to follow-up 6-weeks after EOST (approximately up to 12,5 weeks), 11. Number of patients with abnormal neurological examination findings. Time Frame: Baseline up to follow-up 6-weeks after EOST (approximately up to 12,5 weeks), 12. Assessment of 12-lead electrocardiogram (ECGs). Time Frame: Baseline up to follow-up 6-weeks after EOST (approximately up to 12,5 weeks), 13. Plasma concentrations versus time of fosmanogepix (prodrug) and manogepix (active moiety). Time Frame: Day 3: 0, 3, 6, 9 and 24 hours post-dose; Day 7, 14, 21, 28, 35; EOST: 72 and 192 hours post-dose

Interventions

DRUGFLUCONAZOLE
DRUGPlacebo for Fosmanogepix IV and Caspofungin IV
DRUGPlacebo for fosmanogepix 400 mg tablet
DRUGPlacebo for fluconazole capsule 200 mg
DRUGSODIUM CHLORIDE
DRUGCASPOFUNGIN

Sponsors

Basilea Pharmaceutica International AG Allschwil
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Proportion of patients with an overall response of treatment success at end of study treatment (EOST). Time Frame: EOST (up to Day 42)

Secondary

MeasureTime frame
1. Proportion of patients alive at Day 30. Time Frame: Day 30, 2. Proportion of patients with overall response of treatment success at Day 7. Time Frame: Day 7, 3. Proportion of patients with an overall response of treatment success at Day 14. Time Frame: Day 14, 4. Proportion of patients with an overall response of treatment success at end of IV treatment (EOIV). Time Frame: up to Day 42, 5. Proportion of patients with an overall response of treatment success (sustained) at follow-up 6 weeks after EOST. Time Frame: approximately up to 12,5 weeks, 6. Proportion of patients with clinical response of success at Day 7, Day 14, EOIV, EOST, Follow-up 6- weeks after EOST. Time Frame: Day 14, EOIV (up to Day 42), EOST (up to Day 42), Follow-up 6-weeks after EOST, 7. Proportion of patients with mycological response of eradication or presumed eradication at Day 7, Day 14, EOIV, EOST, Follow-up 6-weeks after EOST. Time Frame: Day 14, EOIV (up to Day 42), EOST (up to Day 42), Follow-up 6-weeks a

Countries

Austria, Belgium, Bulgaria, France, Germany, Greece, Italy, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026