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Vemircopan

Phase 2

Undisclosed | Small molecule | Other |AstraZeneca PLC|Trials Updated: Jul 16, 2026

Vemircopan development status

Highest phase Phase 2 (NCT04170023)
Phase scored for AZNPhase 1
Registered trials 12 across 1 sponsor since Nov 2019

Vemircopan target and mechanism

ModalitySmall molecule

Also known as ALXN2050

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials9
Total Enrollment318

FDA Designations

No designations recorded

Vemircopan clinical trials

Vemircopan · 9 trials · 3 indications

Phase 1 9
NCT06071442Potential Drug Interaction Study Between Vemircopan and Rosuvastatin, Metformin, Levonorgestrel/Ethinyl Estradiol-containing Oral Contraceptives, and CarbamazepineHealthy Participants
COMPLETED60 Analytics
NCT05202145Drug-Drug Interaction (DDI) Study of ALXN2050 in Healthy Adult ParticipantsHealthy
COMPLETED61 Analytics
NCT04952545Study of ALXN2050 in Healthy Adult Participants of Japanese DescentHealthy
COMPLETED20 Analytics
NCT04623710Study of ALXN2050 in Participants With Renal ImpairmentRenal Impairment
COMPLETED40 Analytics
NCT04933682Drug Interaction Study of ALXN2050 With Fluconazole and Rifampin in Healthy Adult ParticipantsHealthy
COMPLETED16 Analytics
NCT04609670Study of Radiolabeled ALXN2050 in Healthy Adult MalesHealthy
COMPLETED9 Analytics
NCT04660890A Study of the Cardiac Effects of ALXN2050 in Healthy AdultsHealthy
COMPLETED39 Analytics
NCT05047484A Study of Multiple Doses of ALXN2050 in Healthy AdultsHealthy
COMPLETED45 Analytics
NCT05047458A Study of Single-dose ALXN2050 in Healthy AdultsHealthy
COMPLETED28 Analytics
PHASE1COMPLETED
Potential Drug Interaction Study Between Vemircopan and Rosuvastatin, Metformin, Levonorgestrel/Ethinyl Estradiol-containing Oral Contraceptives, and Carbamazepine
Healthy ParticipantsUnlock trial analytics
PHASE1COMPLETED
Drug-Drug Interaction (DDI) Study of ALXN2050 in Healthy Adult Participants
HealthyUnlock trial analytics
PHASE1COMPLETED
Study of ALXN2050 in Healthy Adult Participants of Japanese Descent
HealthyUnlock trial analytics
PHASE1COMPLETED
Study of ALXN2050 in Participants With Renal Impairment
Renal ImpairmentUnlock trial analytics
PHASE1COMPLETED
Drug Interaction Study of ALXN2050 With Fluconazole and Rifampin in Healthy Adult Participants
HealthyUnlock trial analytics
PHASE1COMPLETED
Study of Radiolabeled ALXN2050 in Healthy Adult Males
HealthyUnlock trial analytics
PHASE1COMPLETED
A Study of the Cardiac Effects of ALXN2050 in Healthy Adults
HealthyUnlock trial analytics
PHASE1COMPLETED
A Study of Multiple Doses of ALXN2050 in Healthy Adults
HealthyUnlock trial analytics
PHASE1COMPLETED
A Study of Single-dose ALXN2050 in Healthy Adults
HealthyUnlock trial analytics

Study Endpoints

Primary Endpoints

Part 1: Maximum observed plasma (peak) concentration (Cmax) of Metformin
Up to 48 hours post-dose

Cmax for single-dose metformin without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of metformin.

Part 1: AUC from time zero to the last quantifiable concentration (AUCt) of Metformin
Up to 48 hours post-dose

AUCt for single-dose metformin without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of metformin.

Part 1: AUC from time zero extrapolated to infinity (AUC∞) of Metformin
Up to 48 hours post-dose

Cmax for single-dose metformin without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of metformin.

Part 1: Cmax of Rosuvastatin
Up to 96 hours post-dose

Cmax for single-dose rosuvastatin without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of rosuvastatin.

Part 1: AUCt of Rosuvastatin
Up to 96 hours post-dose

AUCt for single-dose rosuvastatin without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of rosuvastatin.

Part 1: AUC∞ of Rosuvastatin
Up to 96 hours post-dose

Cmax for single-dose rosuvastatin without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of rosuvastatin.

Part 2: Cmax of LNG
Up to 120 hours post-dose

Cmax for single-dose LNG without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of LNG.

Part 2: AUCt of LNG
Up to 120 hours post-dose

AUCt for single-dose LNG without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of LNG.

Part 2: AUC∞ of LNG
Up to 120 hours post-dose

Cmax for single-dose LNG without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of LNG.

Part 2: Cmax of EE
Up to 120 hours post-dose

Cmax for single-dose EE without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of EE.

Part 2: AUCt of EE
Up to 120 hours post-dose

AUCt for single-dose EE without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of EE.

Part 2: AUC∞ of EE
Up to 120 hours post-dose

Cmax for single-dose EE without and with co-administration with vemircopan will be assessed to determine the effect of multiple doses of vemircopan on the single-dose PK of EE.

Part 3: Cmax of Vemircopan
Up to 72 hours post-dose

Cmax for single-dose vemircopan without and with co-administration with carbamazepine will be assessed to determine the effect of multiple doses of carbamazepine on the single-dose PK of vemircopan.

Part 3: AUCt of Vemircopan
Up to 72 hours post-dose

AUCt for single-dose vemircopan without and with co-administration with carbamazepine will be assessed to determine the effect of multiple doses of carbamazepine on the single-dose PK of vemircopan.

Part 3: AUC∞ of Vemircopan
Up to 72 hours post-dose

Cmax for single-dose vemircopan without and with co-administration with carbamazepine will be assessed to determine the effect of multiple doses of carbamazepine on the single-dose PK of vemircopan.

Part 1 Cyclosporine: Area Under The Concentration-Time Curve From Time Zero To The 12-hour Time Point (AUC0-12) Following Multiple Dose Cyclosporine Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 72 hours postdose
Part 1: ALXN2050 AUC0-12 Following Multiple Dose ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Cyclosporine
Up to 72 hours postdose
Part 1: Cyclosporine Maximum Observed Concentration (Cmax) Following Multiple Dose Cyclosporine When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 72 hours postdose
Part 1: ALXN2050 Cmax Following Multiple Dose ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Cyclosporine
Up to 72 hours postdose
Part 1: Cyclosporine Time To Maximum Plasma Concentration (Tmax) Following Multiple Dose Cyclosporine When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 72 hours postdose
Part 1: ALXN2050 Tmax Following Multiple Dose ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Cyclosporine
Up to 72 hours postdose
Part 2: Tacrolimus Area Under The Concentration-Time Curve From Time Zero To The Last Observed Concentration (AUC0-t) Following Single Dose Tacrolimus When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 144 hours postdose
Part 2: Tacrolimus Area Under the Concentration-Time Curve From Time Zero To Infinity (AUC0-inf) Following Single Dose Tacrolimus When Dosed Alone Versus When Dosed In The Presence of Steady-state ALXN2050
Up to 144 hours postdose
Part 2: Tacrolimus Cmax Following Single Dose Tacrolimus When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 144 hours postdose
Part 2: Tacrolimus Tmax Following Single Dose Tacrolimus When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 144 hours postdose
Part 3: Mycophenolic Acid (MPA) And Mycophenolic Acid Glucuronide (MPAG) (Active Metabolites Of MMF) AUC0-t Following Single Dose MMF When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 72 hours postdose
Part 3: MPA and MPAG AUC0-inf Following Single Dose MMF When Dosed Alone Versus When Dosed In The Presence Of Steady-State ALXN2050
Up to 72 hours postdose
Part 3: MPA And MPAG Cmax Following Single Dose MMF When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 72 hours postdose
Part 3: MPA And MPAG Tmax Following Single Dose MMF When Dosed Alone Versus When Dosed In The Presence Of Steady-state ALXN2050
Up to 72 hours postdose
Number Of Participants With Treatment-emergent Adverse Events
Day 1 (after first dose) through follow-up (7 +/- 2 days after final dose)

see Time Frame - defined

Area Under The Concentration-time Curve From Time Zero To Infinity (AUCinf) For Single-dose ALXN2050
Up to 72 hours postdose

see Time Frame - defined

Maximum Plasma Concentration (Cmax) For Single-dose ALXN2050
Up to 72 hours postdose

see Time Frame - defined

Time To Maximum Plasma Concentration (Tmax) For Single-dose ALXN2050
Up to 72 hours postdose

see Time Frame - defined

Area Under The Concentration-time Curve From Time Zero To The 12-hour Time Point (AUC0-12) For Multiple-dose ALXN2050
Up to 72 hours postdose

see Time Frame - defined

Cmax For Multiple-dose ALXN2050
Up to 72 hours postdose

see Time Frame - defined

Tmax For Multiple-dose ALXN2050
Up to 72 hours postdose

see Time Frame - defined

Area Under The Concentration-time Curve From Time 0 To The 12-hour Time Point (AUC0-12) Of Plasma ALXN2050 After Steady-state
Up to 72 hours postdose
Area Under The Concentration-time Curve Calculated To The Last Observable Concentration At Time t (AUCt) Of Plasma ALXN2050 After Steady-state
Up to 72 hours postdose
Maximum (Peak) Steady-state Plasma Concentration (Cmax,ss) Of Plasma ALXN2050
Up to 72 hours postdose
Time To Reach Maximum (Peak) Plasma Concentration Following ALXN2050 Administration At Steady-state (Tmax,ss)
Up to 72 hours postdose
Part 1: Area Under The Concentration-time Curve From Time 0 To Infinity (AUC0-inf) For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Fluconazole
Up to 72 hours postdose
Part 1: Maximum Observed Concentration (Cmax) For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Fluconazole
Up to 72 hours postdose
Part 1: Time To Maximum Plasma Concentration (Tmax) For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Fluconazole
Up to 72 hours postdose
Part 1: Area Under The Concentration-time Curve From Time 0 To The 12-hour Point (AUC0-12) For Multiple Doses Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Fluconazole
Up to 72 hours postdose
Part 1: Cmax For Multiple Doses Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Fluconazole
Up to 72 hours postdose
Part 1: Tmax For Multiple Doses Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Fluconazole
Up to 72 hours postdose
Part 2: AUC0-inf For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed With A Single Dose Of Rifampin
Up to 72 hours postdose
Part 2: Cmax For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed With A Single Dose Of Rifampin
Up to 72 hours postdose
Part 2: Tmax For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed With A Single Dose Of Rifampin
Up to 72 hours postdose
Part 2: AUC0-inf For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Rifampin
Up to 72 hours postdose
Part 2: Cmax For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Rifampin
Up to 72 hours postdose
Part 2: Tmax For A Single Dose Of ALXN2050 When Dosed Alone Versus When Dosed In The Presence Of Steady-state Rifampin
Up to 72 hours postdose
Mass Balance Recovery In Urine And Feces After a Single Oral Dose Of [14C]-ALXN2050
Up to 168 hours postdose or maximum of 504 hours for extended collection period postdose

Mass balance will be assessed by evaluating total radioactivity recovery and the percent of the radioactive dose excreted in the urine and feces. Mass balance will be calculated as a sum of the percent of the total radioactivity recovered in urine and feces plus any radioactivity dose lost due to emesis (if any occurred) relative to the administered radioactivity dose.

Plasma Pharmacokinetics (PK) Of Total Radioactivity After A Single Oral Dose Of [14C]-ALXN2050: Area Under The Concentration-time Curve From Time 0 Extrapolated To Infinity (AUC0-inf)
Up to 168 hours postdose or maximum of 504 hours for extended collection period postdose
Plasma PK Of Total Radioactivity After A Single Oral Dose Of [14C]-ALXN2050: Area Under The Concentration Versus Time Curve, From Time 0 To The Time Of The Last Measurable Concentration (AUC0-last)
Up to 168 hours postdose or maximum of 504 hours for extended collection period postdose
Plasma PK Of Total Radioactivity After A Single Oral Dose Of [14C]-ALXN2050: Maximum Observed Plasma Concentration (Cmax)
Up to 168 hours postdose or maximum of 504 hours for extended collection period postdose
Plasma PK Of Total Radioactivity After A Single Oral Dose Of [14C]-ALXN2050: Time To Maximum Observed Plasma Concentration (Tmax)
Up to 168 hours postdose or maximum of 504 hours for extended collection period postdose
Plasma PK Of ALXN2050 After A Single Oral Dose Of [14C]-ALXN2050: AUC0-inf
Up to 168 hours postdose
Plasma PK Of ALXN2050 After A Single Oral Dose Of [14C]-ALXN2050: AUC0-last
Up to 168 hours postdose
Plasma PK Of ALXN2050 After A Single Oral Dose Of [14C]-ALXN2050: Cmax
Up to 168 hours postdose
Plasma PK Of ALXN2050 After A Single Oral Dose Of [14C]-ALXN2050: Tmax
Up to 168 hours postdose
Percentage Of Total Radioactivity Detected For Each ALXN2050 Metabolite in Plasma, Urine, And Feces
Up to 168 hours postdose or maximum of 504 hours for extended collection period postdose

ALXN2050 metabolic profiling in plasma, urine, and feces will be performed in samples containing sufficient amounts of radioactivity. The percent of dose represented by each of the metabolites will be calculated using the radioactivity concentration equivalent data combined with the metabolic profiling data. The percentage of each identified metabolite to total radioactivity in plasma will be estimated based on plasma metabolic profiling data.

Placebo-corrected Change From Baseline QTc Intervals (ddQTc) For ALXN2050
Pre-dose through 24 hours post-dose

Twelve-lead electrocardiograms (ECGs) will be extracted from continuous (Holter) recordings.

Number Of Participants Experiencing Serious Adverse Events
Day 1 through Day 42
Number Of Participants Experiencing Grade 3 Or 4 Adverse Events (AEs)
Day 1 through Day 42
Number Of Participants Experiencing AEs Leading To Discontinuation From The Study
Day 1 through Day 42
Number Of Participants Experiencing Grade 3 Or 4 Laboratory Abnormalities
Day 1 through Day 42
Number Of Participants Experiencing Treatment-emergent Vital Signs, Physical Examination Results, And Electrocardiogram (ECG) Abnormalities
Day 1 through Day 42

Secondary Endpoints

Part 1: Number of participants with Treatment Emergent Adverse Events
From Screening (Day -28 to Day -2) up to follow-up Visit or early discontinuation visit (approximately 57 days)
Part 2: Number of participants with Treatment Emergent Adverse Events
From Screening (Day -28 to Day -2) up to follow-up Visit or early discontinuation visit (approximately 54 days)
Part 3: Number of participants with Treatment Emergent Adverse Events
From Screening (Day -28 to Day -2) up to follow-up Visit or early discontinuation visit (approximately 63 days)
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part 1: Vemircopan, Metformin and RosuvastatinEXPERIMENTALParticipants will receive Vemircopan, Metformin and Rosuvastatin in a fixed sequence over 2 periods. Period 1 (8 days): Participants will receive a single dose of metformin on day 1 and a single dose of rosuvastatin on day 4. Period 2 (12 days): Participants will receive vemircopan twice daily from day 1 to day 11. On day 5, participants will receive metformin co-administered with vemircopan. On day 8, participants will receive rosuvastatin co-administered with vemircopan. There will be a washout period of at least 4 days between the dose of rosuvastatin in Period 1 and the first dose of vemircopan in Period 2.
Part 2: Vemircopan and LNG/EE-Containing OCsEXPERIMENTALParticipants will receive Vemircopan and LNG/EE-Containing OCs in a fixed sequence over 2 periods. Period 1 (7 days): Participants will receive a single dose of OC, consisting of LNG and EE on day 1. Period 2 (10 days): Participants will receive multiple doses of vemircopan from day 1 to day 9. On day 5, participants will receive a single dose of OC co-administered with vemircopan. There will be a washout period of at least 7 days between the dose of OC in Period 1 and the first dose of vemircopan in Period 2.
Part 3: Vemircopan and CarbamazepineEXPERIMENTALParticipants will receive Vemircopan and Carbemazepine in a fixed sequence over 2 periods. Period 1 (4 days): Participants will receive a single oral dose of vemircopan on day 1. Period 2 (22 days): Participants will receive carbemazepine twice daily from day 1 to day 21. On day 19, participants will receive a single oral dose of vemircopan co-administered with carbamazepine. There will be a washout period of at least 4 days between the dose of vemircopan in Period 1 and the first dose of carbamazepine in Period 2.
Part 1 - CyclosporineEXPERIMENTALParticipants will receive ALXN2050 and cyclosporine in a fixed sequence over 3 periods. Period 1: Participants will receive multiple doses of ALXN2050. Period 2: Participants will receive multiple doses of cyclosporine. Period 3: Participants will receive multiple doses of ALXN2050 co-administered with multiple doses of cyclosporine. There will be a washout period between the last dose of ALXN2050 in Period 1 and the first dose of cyclosporine in Period 2 and between the last dose of cyclosporine in Period 2 and the first dosing in Period 3.
Part 2 - TacrolimusEXPERIMENTALParticipants will receive tacrolimus and ALXN2050 in a fixed sequence over 2 periods. Period 1: Participants will receive a single dose of tacrolimus. Period 2: Participants will receive multiple doses of ALXN2050 alone and co-administered with a single dose of tacrolimus. There will be a washout period between the dose of tacrolimus in Period 1 and the first dose of ALXN2050 in Period 2.
Part 3 - MMFEXPERIMENTALParticipants will receive MMF and ALXN2050 in a fixed sequence over 2 periods. Period 1: Participants will receive a single dose of MMF. Period 2: Participants will receive multiple doses of ALXN2050 alone and co-administered with a single dose of MMF. There will be a washout period between the dose of MMF in Period 1 and the first dose of ALXN2050 in Period 2.
Cohort 1: ALXN2050 (Dose 1)EXPERIMENTALParticipants will receive ALXN2050 (Dose 1) as follows under fasting conditions: 120-milligrams (mg) single dose, 3-day washout, then 120-mg twice daily (BID) dosing.
Cohort 1: Placebo (Dose 1)EXPERIMENTALParticipants will receive placebo (Dose 1) as follows under fasting conditions: 120-mg placebo single dose, 3-day washout, then 120-mg placebo BID dosing.
Cohort 2: ALXN2050 (Dose 2)EXPERIMENTALParticipants will receive ALXN2050 (Dose 2) as follows under fasting conditions: 180-mg single dose, 3-day washout, then 180-mg BID dosing.
Cohort 2: Placebo (Dose 2)EXPERIMENTALParticipants will receive placebo (Dose 2) as follows under fasting conditions: 180-mg placebo single dose, 3-day washout, then 180-mg placebo BID dosing.
Cohort 1: Severe Impaired Renal FunctionEXPERIMENTALParticipants will receive ALXN2050.
Cohort 2: Moderate Impaired Renal FunctionEXPERIMENTALParticipants will receive ALXN2050.
Cohort 3: Mild Impaired Renal FunctionEXPERIMENTALParticipants will receive ALXN2050.
Cohort 4: Healthy ControlEXPERIMENTALParticipants will receive ALXN2050.
Part 1: ALXN2050 plus FluconazoleEXPERIMENTALPeriod 1: Participants will receive a single dose of ALXN2050 alone and in the presence of multiple doses of fluconazole. Period 2: Participants will receive multiple doses of ALXN2050 alone and in the presence of multiple doses of fluconazole. Scheduled pharmacokinetics (PK) blood samples for both ALXN2050 and fluconazole will be collected, with a washout period of at least 14 days between the last dose of fluconazole in Period 1 and the first dose of ALXN2050 in Period 2.
Part 2: ALXN2050 plus RifampinEXPERIMENTALParticipants will receive a single dose of ALXN2050 alone and in the presence of both single and multiple doses of rifampin. Scheduled PK blood samples for both ALXN2050 and rifampin will be collected.
[14C]-ALXN2050EXPERIMENTALParticipants will receive \[14C\]-ALXN2050.
Treatment Arm (ABC)EXPERIMENTALTreatment Sequence ABC - Participants will receive all 3 doses of ALXN2050 in a multiple-ascending fashion over 3 periods: Treatment A (Period 1): ALXN2050 Dose 120 milligrams (mg) and moxifloxacin-matching placebo. Treatment B (Period 2): ALXN2050 Dose 240 mg and moxifloxacin-matching placebo. Treatment C (Period 3): ALXN2050 Dose 360 mg and moxifloxacin-matching placebo.
Control Arm (DEF)PLACEBO_COMPARATORTreatment Sequence DEF - Participants will receive ALXN2050-matching placebo over 3 periods: Treatment D (Period 1): 120 mg ALXN2050-matching placebo and moxifloxacin-matching placebo. Treatment E (Period 2): 240 mg ALXN2050-matching placebo and moxifloxacin. Treatment F (Period 3): 360 mg ALXN2050-matching placebo and moxifloxacin-matching placebo.
Control Arm (GHI)PLACEBO_COMPARATORTreatment Sequence GHI - Participants will receive ALXN2050-matching placebo over 3 periods: Treatment G (Period 1): 120 mg ALXN2050-matching placebo and moxifloxacin. Treatment H (Period 2): 240 mg ALXN2050-matching placebo and moxifloxacin-matching placebo. Treatment I (Period 3): 360 mg ALXN2050-matching placebo and moxifloxacin.
Cohort 1: 40 mg ALXN2050/PlaceboEXPERIMENTALParticipants randomized to receive ALXN2050 or placebo twice daily (BID) on Day 1 through Day 14 in a fasted state.
Cohort 2: 80 mg ALXN2050/PlaceboEXPERIMENTALParticipants randomized to receive ALXN2050 or placebo BID on Day 1 through Day 14 in a fasted state.
Cohort 3: 120 mg ALXN2050/PlaceboEXPERIMENTALParticipants randomized to receive ALXN2050 or placebo BID on Day 1 through Day 14 in a fasted state.
Cohort 4: 200 mg ALXN2050/PlaceboEXPERIMENTALParticipants randomized to receive ALXN2050 or placebo BID on Day 1 through Day 14 in a fasted state.
Cohort 5: 120 mg ALXN2050/PlaceboEXPERIMENTALParticipants randomized to receive a single dose of ALXN2050 or placebo on Day 1 in a fed state.
Cohort 6: 240 mg ALXN2050/PlaceboEXPERIMENTALParticipants randomized to receive a single dose of ALXN2050 or placebo on Day 1 in a fasted state.

Interventions

NameTypeDescription
VemircopanDRUGParticipants will receive oral tablets of Vemircopan.
RosuvastatinDRUGParticipants will receive oral coated tablets of Rosuvastatin.
MetforminDRUGParticipants will receive oral film-coated tablets of Metformin.
Levonorgestrel / Ethinyl EstradiolDRUGParticipants will receive oral tablets of Levonorgestrel/ Ethinyl Estradiol.
CarbamazepineDRUGParticipants will receive oral chewable tablets of Carbamazepine.
ALXN2050DRUGOral tablet.
CyclosporineDRUGOral capsule.
TacrolimusDRUGOral capsule.
MMFDRUGOral tablet.
PlaceboDRUGOral tablet.
FluconazoleDRUGOral tablet.
RifampinDRUGOral capsule.
[14C]-ALXN2050DRUGA single dose of 200 milligrams (\~85 microcuries) \[14C\]-ALXN2050 will be administered orally.
ALXN2050-matching PlaceboDRUGALXN2050-matching placebo will be administered orally twice daily as placebo powder-in-capsule.
MoxifloxacinDRUGMoxifloxacin will be administered as a single oral dose.
Moxifloxacin-matching PlaceboDRUGMoxifloxacin-matching placebo will be administered as a single oral dose.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Participants who are medically healthy with no clinically significant or relevant abnormalities as determined by medical history, physical or neurological examination, vital signs, 12-lead ECG, screening clinical laboratory profiles (hematology, biochemistry, coagulation, and ...

Countries:United StatesNew Zealand
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Recent Changes (Last 90 Days)

MEDIUMAug 16, 2026NCT04933682TRIAL_REMOVED: changed
MEDIUMAug 16, 2026NCT04933682TRIAL_REMOVED: changed
MEDIUMAug 16, 2026NCT04933682TRIAL_REMOVED: changed
MEDIUMAug 16, 2026NCT04933682TRIAL_REMOVED: changed

Frequently asked questions about Vemircopan

What is Vemircopan?

Vemircopan is a small molecule drug developed by AstraZeneca PLC. It has been studied in a Phase 1 clinical trial involving healthy participants in the United States. The trial has been completed. No approved indication has been established for vemircopan.

Who is developing Vemircopan?

Vemircopan is being developed by AstraZeneca PLC, which trades under the ticker AZN. AstraZeneca sponsored the Phase 1 drug interaction study of vemircopan conducted in the United States.

What phase is Vemircopan in?

Vemircopan is in Phase 1 clinical development. One Phase 1 trial has been completed, and no later-stage trials have been recorded. It is an investigational drug and has not been approved by the FDA for any indication.

What clinical trials has Vemircopan been studied in?

Vemircopan has been studied in one Phase 1 trial, NCT06071442, titled a potential drug interaction study between vemircopan and rosuvastatin, metformin, levonorgestrel/ethinyl estradiol-containing oral contraceptives, and carbamazepine. The trial enrolled 60 healthy participants in the United States and has been completed.

What was the design of the Vemircopan Phase 1 trial?

The Vemircopan Phase 1 trial NCT06071442 was a controlled study in healthy volunteers, enrolling 60 participants aged 18 years and older of all sexes. It was not randomized and not double blinded. The study evaluated potential drug interactions between vemircopan and rosuvastatin, metformin, oral contraceptives, and carbamazepine.