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Focal Mass Drug Administration

Phase 3

Plasmodium Vivax Malaria | Small molecule | Infectious Disease |GSK plc|Last Updated: Jun 9, 2026

Target and mechanism

ModalitySmall molecule

Also known as Focal Mass Drug Administration (fMDA)

Success Probability

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Market & Valuation

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Trial Design

RandomizedNO_TREATMENT_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment7,530

FDA Designations

No designations recorded

Clinical trial landscape

Focal Mass Drug Administration · 1 trial · 2 indications

Phase 3 1
NCT05690841FocaL Mass Drug Administration for Vivax Malaria EliminationPlasmodium Vivax Malaria
RECRUITING7,530 Analytics
PHASE3RECRUITING
FocaL Mass Drug Administration for Vivax Malaria Elimination
Plasmodium Vivax MalariaUnlock trial analytics

Study Endpoints

Primary Endpoints

Cumulative Incidence of Plasmodium vivax infections
From enrollment through study completion, over 36-month follow-up study period

Number of microscopy-confirmed, Plasmodium vivax malaria cases in residents reported from health facilities per population over the 36-month follow-up study period

Secondary Endpoints

Prevalence of Plasmodium vivax infection
At endline survey in trial year 4, 3 years after enrollment in study in trial year 1
Plasmodium vivax seroprevalence
At endline survey in trial year 4, 3 years after enrollment in study in trial year 1
Genetic diversity of Plasmodium vivax
From enrollment through study completion, over 4 trial years
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Control: Standard InterventionsNO_INTERVENTIONStandard interventions for the control cluster will include providing participants with long-lasting insecticide-treated bednets, management of known and possible mosquito breeding sites, passive case detection through detection and diagnosis of symptomatic cases of malaria in health facilities and through community health workers (conducted in villagers with fever), microscopy testing in households of recent index cases to detect asymptomatic malaria cases, and treatment of active cases of malaria (artesunate-mefloquine (AS-MQ) for Plasmodium falciparum and Chloroquine (CQ) (10 mg/kg on days 1 and 2, followed by 5 mg/kg on day 3) + PQ (0.5mg/kg x 7 days).
Focal Mass Drug Administration (fMDA)EXPERIMENTALStandard interventions in addition to focal mass drug administration. Focal mass drug administration will include using primaquine, chloroquine, and tafenoquine, for high-risk individuals residing in households that are within 200 meters of a Plasmodium vivax (Pv) index case households from the prior 2 years (including individuals in the index case household). Pv index cases include symptomatic cases detected at health facilities or in fever screenings, and asymptomatic cases identified during routine active case detection by health facilities. Households will then be notified regarding their potential to receive two rounds fMDA that cycle. Eligibility to receive medications as part of fMDA will be assessed prior to each administration and include glucose 6 phosphate dehydrogenase (G6PD) testing and counseling if not previously conducted or result is not available on the participant's identification card.

Interventions

NameTypeDescription
Focal Mass Drug Administration (fMDA)DRUGAdministration of focal mass drug administration for high-risk individuals residing in households that are within 200 meters of a Plasmodium vivax index case households from the prior 2 years (including individuals in the index case household). Intervention to be administered two times, two months apart each cycle, for 3 cycles spaced apart by regular intervals. Each year will include 2 rounds of fMDA. Round 1) Chloroquine (CQ)+ Tafenoquine (TQ) for \>= 16y (CQ: Day1 600 mg, Day 2 600 mg, Day 3 300 mg CQ, TQ 300 mg on Day 1); CQ+ Primaquine (PQ) for \<16y (CQ: age-based dosing, PQ age-based dosing); CQ+PQ for G6PD intermediate individuals \>=6mo and \<16y ((CQ: Day1 600 mg, Day 2 600 mg, Day 3 300 mg, PQ age-based dosing). Round 2) single dose CQ+TQ for \>= 16y (CQ: Day1 600 mg, TQ 300 mg on Day 1); single dose CQ+PQ for \<16y (CQ: age-based dosing, PQ age-based dosing); single dose CQ+PQ for G6PD intermediate individuals \>=6mo and \<16y ((CQ: Day1 600 mg, PQ age-based dosing).
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Eligibility Criteria

SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Cluster eligibility * Within 8 hours transport of Iquitos * Incidence \<250/1000 and \>2 cases year prior to trial * Population size (\<650) 2. Chloroquine (CQ) eligibility * Resides in neighboring household but within 200 m of Pv index case in the past 2 years ...

Countries:Peru
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Frequently asked questions about Focal Mass Drug Administration

What is Focal Mass Drug Administration used for?

Focal Mass Drug Administration (fMDA) is used for the elimination of Plasmodium vivax malaria. It is a Phase 3 investigational strategy being studied in Peru, where it is administered to healthy volunteers and individuals in areas affected by malaria to reduce transmission of the parasite.

What does Focal Mass Drug Administration target?

Focal Mass Drug Administration targets Plasmodium vivax, the parasite that causes vivax malaria. The approach involves mass drug administration in focal areas to clear the parasite from infected individuals and reduce its spread within the community, with the goal of eliminating the disease.

Who is developing Focal Mass Drug Administration?

Focal Mass Drug Administration is being developed by GSK plc, a biopharma company listed on the stock exchange under the ticker GSK. GSK is conducting a Phase 3 clinical trial of this drug administration strategy for vivax malaria elimination.

What phase is Focal Mass Drug Administration in?

Focal Mass Drug Administration is in Phase 3 clinical development. It is an investigational strategy and has not been approved by regulatory authorities. The ongoing Phase 3 trial is actively recruiting participants to evaluate its effectiveness in eliminating Plasmodium vivax malaria.

What clinical trials is Focal Mass Drug Administration in?

Focal Mass Drug Administration is being evaluated in one Phase 3 clinical trial with the identifier NCT05690841, titled 'FocaL Mass Drug Administration for Vivax Malaria Elimination.' This randomized, open-label trial is recruiting 7,530 participants in Peru and is not yet completed.

Is Focal Mass Drug Administration the same as fMDA?

Yes, Focal Mass Drug Administration is the same as fMDA, which is an abbreviation for the full name. The drug administration strategy is referred to by both names in clinical research and regulatory contexts.