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NPM-139

Phase 1

Obesity & Overweight | Small molecule | Metabolic |Vivani Medical, Inc.|Trials Updated: Jun 30, 2026

NPM-139 target and mechanism

Molecular targetGLP1R
Target classAgonist
ModalitySmall molecule

Also known as Semaglutide Implant (NPM-139), Semaglutide

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLED
Total Trials1
Total Enrollment20

FDA Designations

No designations recorded

NPM-139 clinical trials

NPM-139 · 1 trial · 1 indication

Phase 1 1
NCT07430059Safety, Tolerability and Pharmacokinetics of a Subcutaneous Semaglutide ImplantObesity & Overweight
NOT YET_RECRUITING20 Analytics
PHASE1NOT YET_RECRUITING
Safety, Tolerability and Pharmacokinetics of a Subcutaneous Semaglutide Implant
Obesity & OverweightUnlock trial analytics

Study Endpoints

Primary Endpoints

Area under the plasma concentration-time curve (AUC)
4 weeks

total semaglutide concentration

Maximum plasma concentration (Cmax)
4 weeks

Maximal semaglutide concentration

Time to maximum semaglutide concentration (Tmax)
4 weeks

Time to reach maximal semaglutide concentration

Adverse Events
4 weeks

Incidence of treatment-emergent adverse events

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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Semaglutide Implant (NPM-139)EXPERIMENTALEach participants in this arm will receive one Semaglutide Implant (NPM-139) which will be inserted subcutaneously in the upper outer arm and subsequently removed after 4 weeks of treatment.
Semaglutide (Wegovy) weekly injectionACTIVE_COMPARATOREach participant in this arm will receive Semaglutide (Wegovy) 0.25 mg subcutaneous injection weekly for 4 weeks of treatment.

Interventions

NameTypeDescription
Semaglutide Implant (NPM-139)COMBINATION_PRODUCTSemaglutide Implant (NPM-139) is a drug/device combination product consisting of a subdermal titanium implant \~23 mm long and 2 mm in diameter, containing a sterile liquid formulation of semaglutide that is released from the implant at a substantially constant rate over at least 15 weeks.
Semaglutide (Wegovy) weekly injectionDRUGSemaglutide (Wegovy) is a clear, colorless solution provided as Wegovy FlexTouch four-dose pens: 0.25 mg/0.5 mL. It is injected SC in the abdomen, thigh or upper arm once/week.
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Eligibility Criteria

Age Range18 Years to 60 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * BMI between 27 and 40 kg/m2 (inclusive) * HbA1c \</= 6.0% and FPG \</+ 6.7 mmil/L * eGFR \>/= 60 mL/m2 * No significant health issues in the opinion of the Investigator that would preclude study participation, as determined by medical history and physical examination Exclusio...

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Frequently asked questions about NPM-139

What is NPM-139?

NPM-139 is an investigational subcutaneous implant formulation of semaglutide being developed by Vivani Medical, Inc. for the treatment of obesity and overweight. It is designed to deliver semaglutide, a GLP-1 receptor agonist, from a small implant placed under the skin. It is currently in Phase 1 clinical development.

What is NPM-139 used for?

NPM-139 is being developed for obesity and overweight in adults. The Phase 1 program is evaluating the implant in this metabolic indication. Because it remains investigational, NPM-139 has not been approved for any use, and its safety and efficacy in obesity have not been established.

What does NPM-139 target?

NPM-139 targets GLP1R, the glucagon-like peptide-1 receptor, and acts as a receptor agonist. Semaglutide, the active agent released by the implant, activates GLP1R. Vivani Medical is developing the implant formulation to provide sustained delivery of semaglutide from a subcutaneous depot rather than through regular injections.

Who makes NPM-139?

NPM-139 is being developed by Vivani Medical, Inc., which trades on the Nasdaq under the ticker VANI. The company is advancing the subcutaneous semaglutide implant as part of its metabolic pipeline, with the obesity and overweight program currently in Phase 1 testing.

What phase is NPM-139 in?

NPM-139 is in Phase 1 clinical development. It is investigational and has not been approved by the FDA or any other regulatory agency. The single registered trial is a Phase 1 study of a subcutaneous semaglutide implant, and it has not yet begun recruiting participants.

What clinical trials is NPM-139 in?

NPM-139 is being studied in one Phase 1 trial, NCT07430059, titled Safety, Tolerability and Pharmacokinetics of a Subcutaneous Semaglutide Implant. The study is not yet recruiting, plans to enroll 20 adults aged 18 years and older, and uses an active-controlled, randomized design without blinding in obesity and overweight.

Is NPM-139 the same as semaglutide?

NPM-139 is an implant formulation of semaglutide, so it is also referred to as Semaglutide Implant (NPM-139) and by semaglutide-related names such as Semaglutide 1.0 mg/mL. The active agent is semaglutide; NPM-139 refers specifically to Vivani Medical's subcutaneous implant version rather than to other semaglutide products.