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I004

Phase 2

Pharmacokinetics | Small molecule | Other |Amphastar Pharmaceuticals, Inc.|Last Updated: Apr 30, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindACTIVE_CONTROLLEDBiomarker
Total Trials2
Total Enrollment129
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07560150Comparison of the Pharmacokinetics (PK) and Pharmacodynamics (PD) Biosimilarity of Proposed Biosimilar/Interchangeable Rapid-Acting Insulin Aspart (I004) and NovoLog® After Single-Dose Subcutaneous Administration to Healthy VolunteersPHASE2 RECRUITING 60Apr 6, 2026Jun 1, 2026Apr 30, 20261 United States
NCT05539872Comparison of the Pharmacokinetics (PK) and Pharmacodynamics (PD) Biosimilarity of Proposed Biosimilar Rapid-Acting Insulin Aspart (I004) and NovoLog After Single-Dose Subcutaneous Administration to Healthy VolunteersPHASE2 COMPLETED 69Aug 22, 2022Jan 30, 2023Mar 5, 20261 United States
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Study Endpoints
Primary Endpoints
Maximum Serum Insulin Aspart Concentration, CIAmax
Baseline (Time 0) to 12 hours post-dose

Pharmacokinetic (PK) blood samples will be collected from 60 minutes before dose through 12 hours post-dose. Serum will be isolated for analyzing the concentrations of Insulin Aspart

Area Under the Curve (AUC) of Insulin Aspart Serum Concentration From Time 0 to 12 Hours Post-dose, AUCIA(0-12h)
0 to 12 hours post-dose

Pharmacokinetic (PK) blood samples will be collected from 60 minutes before dose through 12 hours post-dose. Serum will be isolated for analyzing the concentrations of Insulin Aspart. AUCIA(0-12h) will be calculated from the concentration curves. Only AUC from 0 to 12 hours (AUCIA(0-12h)) is reported.

Maximum Glucose Infusion Rate, Gmax
From drug administration to 12 hours post-dose

Participants will undergo a euglycemic clamp, where blood glucose concentration will be held at a constant target level by adjusting exogenous glucose infusion rate (GIR) following drug administration. GIR will be recorded for the duration of the euglycemic clamp and used to evaluate the Pharmacodynamic (PD) response.

Area Under the Curve (AUC) for Glucose Infusion Rate From Time 0 to 12 Hours Post-dose, AUCG(0-12h)
From drug administration to 12 hours post-dose

Participants will undergo a euglycemic clamp, where blood glucose concentration will be held at a constant target level by adjusting exogenous glucose infusion rate (GIR) following drug administration. GIR will be recorded for the duration of the euglycemic clamp and used to evaluate the Pharmacodynamic (PD) response. AUCG(0-12h) will be calculated from the glucose infusion rate curves. Because GIR is recorded in mg/kg/min, the area under the GIR-time curve has units mg/kg.

Secondary Endpoints
Area Under the Curve (AUC) of Insulin Aspart Serum Concentration From Time 0 to Infinity, AUCIA(0-∞)
0 to infinity (extrapolated; concentrations measured through 12 hours post-dose)
Area Under the Curve (AUC) of Insulin Aspart Serum Concentration From Time 0 to 2 Hours Post-dose, AUCIA(0-2h)
0 to 2 hours post-dose
Time of Maximum Insulin Aspart Serum Concentration, tIAmax
Baseline (Time 0) to 12 hours post-dose
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Insulin Aspart, I004EXPERIMENTALParticipants who were dosed with I004
NovoLogACTIVE_COMPARATORParticipants who were dosed with NovoLog
Interventions
NameTypeDescription
I004DRUGDrug will be administered via subcutaneous injection into the abdominal wall of the peri-umbilical area with a dose of 0.2 units/kg based on the body weight measured at Day -1 of Treatment Period 1 under fasting condition.
NovoLogDRUGDrug will be administered via subcutaneous injection into the abdominal wall of the peri-umbilical area with a dose of 0.2 units/kg based on the body weight measured at Day -1 of Treatment Period 1 under fasting condition.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Upon review, agree to participate and sign informed consent. * Healthy male and female subjects ≥ 18 to ≤ 65 years of age. * Body mass index (BMI) ≥ 18.5 to ≤ 29.9 kg/m2 * Weight ≥ 50 kg. * Fasting plasma glucose of \< 100 mg/dL (5.5 mmol/L) measured with YSI at site; one repe...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07560150primaryCompletionDate: changed
LOWMay 24, 2026NCT07560150studyFirstPostDate: changed
LOWMay 21, 2026NCT07560150NEW_TRIAL: changed
LOWMay 21, 2026NCT07560150NEW_TRIAL: changed
MEDIUMApr 8, 2026NCT05539872TRIAL_REMOVED: changed
MEDIUMApr 8, 2026NCT05539872TRIAL_REMOVED: changed