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GSK3772701

Phase 2

Malaria, Falciparum | Small molecule | Infectious Disease |GSK plc|Trials Updated: Sep 30, 2026

GSK3772701 development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since Jun 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials2
Total Enrollment90

FDA Designations

No designations recorded

GSK3772701 clinical trials

GSK3772701 · 2 trials · 1 indication

Phase 2 1Phase 1 1
NCT07545681A Phase 2A Study of a Novel Antimalarial Pyrrolidinamide in Adult Patients With Uncomplicated P. Falciparum MalariaMalaria, Falciparum
NOT YET_RECRUITING70 Analytics
PHASE2NOT YET_RECRUITING
A Phase 2A Study of a Novel Antimalarial Pyrrolidinamide in Adult Patients With Uncomplicated P. Falciparum Malaria
Malaria, FalciparumUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants with serious adverse events (SAEs) overall, treatment related, and by severity
From the date of informed consent signing (up to 24 hours prior to Day 1) up to Day 40 (end of the follow-up period)

A SAE is defined as any untoward medical occurrence that, at any dose: results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, is a congenital anomaly/birth defect in the offspring of a study participant; abnormal pregnancy outcomes; or any other situation according to medical or scientific judgment. The intensity of SAEs is assessed as per the Division of Acquired Immunodeficiency Syndrome (DAIDS) criteria Version 2.1 where grades are defined based on numeric criteria as follows Grade 1: mild; Grade 2: moderate; Grade 3: severe; Grade 4: potentially life-threatening; Grade 5: death. A higher grade indicates greater severity. Any = occurrence of the event regardless of intensity grade and treatment relationship. Treatment related = occurrence of the event which, in the investigator's opinion, is related to the administered treatment regardless of the intensity grade.

Number of participants with non-serious AEs overall, treatment related, and by severity
From Day 1 up to Day 40

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. The intensity of non-serious AEs is assessed using the DAIDS criteria Version 2.1 where grades are defined based on numeric criteria as follows Grade 1: mild; Grade 2: moderate; Grade 3: severe; Grade 4: potentially life-threatening; Grade 5: death. A higher grade indicates greater severity. Any = occurrence of the event regardless of intensity grade and treatment relationship. Treatment related = occurrence of the event which, in the investigator's opinion, is related to the administered treatment regardless of the intensity grade.

Maximum observed concentration (Cmax) of MDZ
At 0 hours (h) (pre-dose) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 24 hours post-dose for each MDZ administration on days 1, 3, 6 and 10
Area under the concentration-time curve. from time 0 to the last measurable concentration [AUC(0-t)] of MDZ
At 0h (pre-dose) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 24 hours post-dose for each MDZ administration on days 1, 3, 6 and 10
Area under the plasma concentration-time curve from time 0 extrapolated to infinity [AUC(0-inf)] of MDZ
At 0h (pre-dose) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 24 hours post-dose for each MDZ administration on days 1, 3, 6 and 10

Secondary Endpoints

Area under the concentration (AUC) - time curve (AUC[0-t]) of GSK3772701
From Day 1 to Day 7
AUC(0-t) extrapolated to infinity (AUC[0-inf]) of GSK3772701
From Day 1 to Day 7
Maximum observed concentration (Cmax) of GSK3772701
From Day 1 to Day 7
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Cohort 1_Single DoseEXPERIMENTALParticipants receive a single GSK3772701 600 mg dose on Day 1.
Cohort 2_ Single DoseEXPERIMENTALParticipants receive a single GSK3772701 900 mg dose on Day 1.
Cohort 3_ Repeat DoseEXPERIMENTALParticipants receive a daily 150 mg dose of GSK3772701 on Day 1 and Day 2.
Cohort 4_ Repeat DoseEXPERIMENTALParticipants receive a daily 400 mg dose of GSK3772701 on Day 1 and Day 2.
Cohort 5_ Repeat DoseEXPERIMENTALParticipants receive a daily 50 mg dose of GSK3772701 on Day 1, Day 2 and Day 3.
Study participantsEXPERIMENTALHealthy participants receive Midazolam (MDZ) on days 1, 3, 6 and 10, and GSK3772701 on days 3, 4 and 5.

Interventions

NameTypeDescription
GSK3772701 600 mgDRUGA 600 mg dose of GSK3772701 administered orally, as 4 capsules of 150 mg.
GSK3772701 900 mgDRUGA 900 mg dose of GSK3772701 administered orally, as 6 capsules of 150 mg.
GSK3772701 150 mgDRUGA daily 150 mg dose of GSK3772701 administered orally on Day 1 and Day 2, as 1 capsule.
GSK3772701 400 mgDRUGA daily 400 mg dose of GSK3772701 administered orally on Day 1 and Day 2, as 2 capsules of 150 mg and 1 capsule of 100 mg.
GSK3772701 50 mgDRUGA daily 50 mg dose of GSK3772701 administered orally on Day 1, Day 2 and Day 3, as 1 capsule.
Midazolam (MDZ)DRUGParticipants receive MDZ orally.
GSK3772701DRUGParticipants receive GSK3772701 orally.
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Male and female patients aged 18 to 65 years. * Presence of malaria due to mono-infection with P. falciparum confirmed by: * Fever, as defined by axillary temperature \>=37.5°C or oral/tympanic temperature \>=38°C and, * Microscopically confirmed P. falciparum malaria par...

Countries:United States
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Recent Changes (Last 90 Days)

HIGHSep 30, 2026NCT07670377Status: RECRUITING → COMPLETED
HIGHSep 30, 2026NCT07670377Status: RECRUITING → COMPLETED

Frequently asked questions about GSK3772701

What is GSK3772701?

GSK3772701 is an investigational small molecule drug being developed for the treatment of Plasmodium falciparum malaria. It is a novel antimalarial pyrrolidinamide and is currently in Phase 2 clinical development. It is not yet approved for any indication.

What is GSK3772701 used for in malaria?

GSK3772701 is being studied for the treatment of uncomplicated Plasmodium falciparum malaria in adults. Clinical testing has focused on patients with this form of malaria, as well as healthy volunteers in drug-interaction assessments. It remains investigational and is not approved for use.

Who is developing GSK3772701?

GSK3772701 is being developed by GSK plc, which trades under the ticker GSK. The company is the sponsor of the clinical program evaluating the drug in Plasmodium falciparum malaria.

What phase is GSK3772701 in?

GSK3772701 is in Phase 2 clinical development. A Phase 2A study in adult patients with uncomplicated P. falciparum malaria is planned but not yet recruiting, and a Phase 1 drug-interaction study in healthy participants has been completed.

What clinical trials is GSK3772701 in?

GSK3772701 has been studied in two registered trials. NCT07670377 was a completed Phase 1 drug-interaction assessment in healthy participants aged 18 to 55 in the United States. NCT07545681 is a Phase 2A study in adults with uncomplicated P. falciparum malaria that is not yet recruiting.