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Liposomal Amphotericin B

Phase 3

Talaromycosis | Small molecule | Infectious Disease |Gilead Sciences, Inc.|Last Updated: Aug 27, 2026

Target and mechanism

ModalitySmall molecule

Also known as Liposomal Amphotericin B (LAmB)

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment428

FDA Designations

No designations recorded

Clinical trial landscape

Liposomal Amphotericin B · 2 trials · 2 indications

Phase 3 2
NCT06525389Liposomal Amphotericin B and Flucytosine Antifungal Strategy for Talaromycosis (LAmB-FAST)Talaromycosis
NOT YET_RECRUITING428 Analytics
NCT01259713Prevention of Invasive Fungal Infections (IFIs) in Subjects Receiving Chemotherapy for Acute Lymphoblastic LeukemiaInvasive Fungal Disease
COMPLETED355 Analytics
PHASE3NOT YET_RECRUITING
Liposomal Amphotericin B and Flucytosine Antifungal Strategy for Talaromycosis (LAmB-FAST)
TalaromycosisUnlock trial analytics
PHASE3COMPLETED
Prevention of Invasive Fungal Infections (IFIs) in Subjects Receiving Chemotherapy for Acute Lymphoblastic Leukemia
Invasive Fungal DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Time from enrollment to a composite of poor outcomes
up to 24 weeks

Poor outcomes are defined as of death, talaromycosis complications (defined as relapse, immune inflammatory reconstitution inflammatory syndrome \[IRIS\], wasting syndrome \[\>10% weight loss from enrollment\], re-hospitalization, and grade 3 or higher adverse events

Percentage of Participants With Proven or Probable IFIs During Remission-induction Chemotherapy for Acute Lymphoblastic Leukemia (ALL)
During remission-induction chemotherapy (average 7 weeks)

Diagnoses of proven or probable invasive fungal infections (IFI) were assessed according to European Organization for Research and Treatment of Cancer/Mycoses Study Group (EORTC/MSG) criteria by the independent data review board (IDRB) who were blinded to treatment assignment. The duration of remission-induction chemotherapy was defined as the period from the initiation of remission-induction chemotherapy administration to the start of consolidation or salvage therapy.

Secondary Endpoints

All cause mortality
up to 24 weeks
Fungal clearance rate as measured by early fungicidal activity (EFA) in log10 CFUs/mL/day
14 days
Composite ordinal desirability of outcome ranking (DOOR) scale
over 24 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelFACTORIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Deoxycholate Amphotericin B (DAmB) plus Flucytosine (5FC) placeboACTIVE_COMPARATORDAmB (0.7mg/kg/d IV x 14 days) + 5FC placebo (25 mg/kg oral 3x daily x 14 days)
Deoxycholate Amphotericin B (DAmB) plus Flucytosine (5FC)EXPERIMENTALDAmB (0.7 mg/kg/d IV x 14 days) + 5FC (25 mg/kg oral 3x daily x 14 days)
Liposomal Amphotericin B (LAmB) plus Flucytosine (5FC) placeboEXPERIMENTALLAmB (10 mg/kg IV x 1 dose) + 5FC placebo (25 mg/kg oral 3x daily x 14 days)
Liposomal Amphotericin B (LAmB) plus Flucytosine (5FC)EXPERIMENTALLAmB (10 mg/kg IV x 1 dose) + 5FC (25 mg/kg oral 3x daily x 14 days)
Liposomal amphotericin BEXPERIMENTALLiposomal amphotericin B 5 mg/kg twice weekly administered by IV route over 2 hours twice weekly (each dose separated alternately by 2 and 3 days each week) during induction chemotherapy
PlaceboPLACEBO_COMPARATORPlacebo to match liposomal amphotericin B twice weekly administered by IV route over 2 hours twice weekly (each dose separated alternately by 2 and 3 days each week) during induction chemotherapy

Interventions

NameTypeDescription
Liposomal Amphotericin B (LAmB)DRUGAntifungal dosed at 10 mg/kg/day IV x one single dose.
Flucytosine (5FC)DRUGAntifungal dosed at 25mg/kg oral 3x daily.
Flucytosine (5FC) placebo pillDRUGSimilar in appearance to flucytosine. Also dosed at 25mg/kg oral 3x daily.
Deoxycholate Amphotericin B (DAmB)DRUGAntifungal dosed at 0.7 mg/kg/day IV x 2 weeks.
Liposomal amphotericin BDRUGAmbisome 5 mg/kg twice weekly administered by IV route over 2 hours twice weekly (each dose separated alternately by 2 and 3 days each week during induction chemotherapy
PlaceboDRUGPlacebo to match liposomal amphotericin B administered by IV route over 2 hours twice weekly (each dose separated alternately by 2 and 3 days each week) during induction chemotherapy
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * HIV infected adults (age greater or equal to 18), on ART or no ART * Definitive talaromycosis confirmed by microscopy, histology, or culture Exclusion Criteria: * Known severe allergy to AmB or 5FC * Absolute neutrophil count \<500 cells * Concurrent cryptococcal or TB menin...

Countries:United StatesVietnamUnited Kingdom
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Recent Changes (Last 90 Days)

LOWAug 27, 2026NCT06525389primaryCompletionDate: changed
LOWAug 27, 2026NCT06525389primaryCompletionDate: changed

Frequently asked questions about Liposomal Amphotericin B

What is Liposomal Amphotericin B used for?

Liposomal Amphotericin B is an investigational small molecule being studied for the treatment of invasive fungal disease and talaromycosis. It is currently in Phase 3 clinical development for these infectious disease indications.

Who makes Liposomal Amphotericin B?

Liposomal Amphotericin B is being developed by Gilead Sciences, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol GILD.

What phase is Liposomal Amphotericin B in?

Liposomal Amphotericin B is in Phase 3 clinical development. It is an investigational drug and has not been approved by regulatory authorities for the indications under study.

What clinical trials is Liposomal Amphotericin B in?

Liposomal Amphotericin B is being evaluated in two Phase 3 trials. NCT01259713, a completed study in the United Kingdom, assessed prevention of invasive fungal infections in 355 patients receiving chemotherapy for acute lymphoblastic leukemia. NCT06525389, not yet recruiting, will study the drug with flucytosine for talaromycosis in 428 patients in the United States and Vietnam.

Is Liposomal Amphotericin B the same as LAmB?

Yes, Liposomal Amphotericin B is also known as LAmB. Both names refer to the same investigational drug being developed by Gilead Sciences for invasive fungal disease and talaromycosis.