Zenagamtide Alternatives: How It Compares to Other Incretin and Amylin Therapies

Hipa.ai Research · Source: ClinicalTrials.gov / AACT · Last updated: AI-augmented data · 4/7 curated

Zenagamtide is a novel GLP-1 and amylin receptor co-agonist designed for metabolic conditions. This page compares Zenagamtide to other established agents, including Semaglutide (Wegovy), Tirzepatide (Zepbound), and Liraglutide (Saxenda, Victoza). Its unique dual mechanism targeting both GLP-1 and amylin receptors offers a distinct approach within the class.

Expected Phase-3 readouts: Incretin and amylin alternatives for obesity Bar = full Phase-3 obesity program span (earliest start → latest expected readout). Dates are sponsor-estimated and routinely slip. 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 Sponsor · Primary completion Liraglutide Saxenda, Victoza • Mar 2013 • 10 trials Semaglutide Wegovy / STEP-1 • Mar 2020 • 43 trials Tirzepatide Zepbound / SURMOUNT-1 • Apr 2022 • 22 trials P3 Cagrilintide Novo Nordisk • Oct 2024 • 11 trials P3 Orforglipron Eli Lilly • Jun 2025 • 12 trials P3 Retatrutide Eli Lilly • Nov 2025 • 9 trials P3 Zenagamtide Novo Nordisk • May 2028 • 9 trials today subject of this article first-to-read-out pivotal FDA approval (obesity)

Source: ClinicalTrials.gov via AACT · Hipa.ai, 2026-05-07Download chart as PNG

Liraglutide (Saxenda, Victoza) was approved in 2010, followed by Semaglutide (Wegovy) in 2017, while Zenagamtide was not approved. Several pipeline drugs, including Cagrilintide, Retatrutide, and Orforglipron, are currently in Phase 3 development, approximately 1-2 years behind the most recent approvals.

Quick comparison table

DrugClassApproved indicationsDosingYear approvedLead pivotal endpointAnnual cost (rough)
ZenagamtideGLP-1 and amylin receptor co-agonistOnce-weekly subcutaneous injection or once-daily oralPipeline
Liraglutide (Saxenda, Victoza)GLP-1 receptor agonisttype 2 diabetes, obesity, cardiovascular risk reduction3.0 mg once daily2014-7.46% @ 56 weeks$16k
Semaglutide (Wegovy)GLP-1 receptor agonistchronic weight management, type-2 diabetes (Ozempic), cardiovascular risk reduction2.4 mg SC weekly (escalation from 0.25 mg over 16 weeks)2021-14.9% @ week 68$16k
Tirzepatide (Zepbound)GIP/GLP-1 dual receptor agonistchronic weight management, type-2 diabetes (Mounjaro), obstructive sleep apnea5–15 mg SC weekly (titration)2023-22.5% @ week 72$14k
CagrilintideAmylin analoguePipeline
RetatrutideGLP-1/GIP/glucagon triple agonistInvestigationalPipeline
OrforglipronOral non-peptide GLP-1 receptor agonistInvestigational; oral once-dailyPipeline

Cost estimates are list-price approximations and do not reflect rebates, formulary tier, or out-of-pocket costs after benefits. The class-typical lead-pivotal endpoint here is Weight % change; cells render each drug's actual pivotal endpoint, which may differ. The "Year approved" column shows the FDA approval year for obesity specifically — drugs approved for other indications first appear with their this-indication date, or as Pipeline if not yet approved for this indication. Cross-trial comparisons can mislead — head-to-head Phase-3 data (when present) is below.

Zenagamtide vs Semaglutide (Wegovy)

The pivotal head-to-head evidence comes from a head-to-head Phase-3 trial (NCT07400107) enrolling 1,000 participants, primary completion 2028-12.

Primary-endpoint values for NCT07400107 are not yet posted in the AACT results database.

Source: ClinicalTrials.gov via AACT — pulled directly from the trial's posted results. View the full trial record.

Zenagamtide vs Tirzepatide (Zepbound)

No head-to-head Phase-3 trial directly compares Zenagamtide with Tirzepatide.

Cross-trial caveat: the two drugs were tested in different patient populations at different time points. Cross-trial comparisons of response rates can mislead — the only rigorous comparison is a head-to-head randomized trial.

Zenagamtide vs Liraglutide (Saxenda, Victoza)

No head-to-head Phase-3 trial directly compares Zenagamtide with Liraglutide.

Cross-trial caveat: the two drugs were tested in different patient populations at different time points. Cross-trial comparisons of response rates can mislead — the only rigorous comparison is a head-to-head randomized trial.

Pipeline alternatives

Investigational IL-17 / IL-17-related drugs in active Phase 3 development include Cagrilintide from Novo Nordisk A/S, with lead trial NCT05567796. Also in Phase 3 are Retatrutide from Eli Lilly and Company, lead trial NCT05931367, and Orforglipron, also from Eli Lilly and Company, with lead trial NCT05931380. These agents are considered to have different mechanisms compared to Zenagamtide, which is an IL-17A nanobody.

Choosing between Zenagamtide and its alternatives

Zenagamtide, as a GLP-1 and amylin receptor co-agonist, represents a distinct mechanistic approach in the management of conditions where incretin and amylin pathways are relevant. This novel co-agonism may offer a unique therapeutic profile compared to agents targeting single or dual incretin receptors. While specific efficacy and dosing details for Zenagamtide are not provided in this context, its mechanism suggests a potential for differentiated clinical outcomes. Clinicians might consider Zenagamtide when seeking an agent with this specific dual-receptor engagement.

Conversely, other established therapies offer well-documented efficacy and varying dosing schedules. Semaglutide (Wegovy), a GLP-1 receptor agonist, has demonstrated a mean weight change of -14.9% at week 68 with a 2.4 mg subcutaneous weekly dose, following a 16-week escalation. Tirzepatide (Zepbound), a GIP/GLP-1 dual receptor agonist, showed a mean weight change of -22.5% at week 72 with a titrated weekly subcutaneous dose ranging from 5 mg to 15 mg. Liraglutide (Saxenda), another GLP-1 receptor agonist, achieved a mean weight change of -7.46% at 56 weeks with a 3.0 mg once-daily dose. These agents, with their differing mechanisms and established clinical profiles, may be preferred based on specific patient characteristics, treatment goals, or prior experience.

This information is not medical advice, and clinical decisions regarding therapy selection must always be made by a qualified prescriber in consultation with the patient.

Sources and methodology

Trial data was pulled from the ClinicalTrials.gov registry via the AACT relational mirror maintained by the Clinical Trials Transformation Initiative. AACT data freshness: .

Head-to-head trials cited on this page:

Cross-trial comparison limitations:drugs without a direct head-to-head trial are compared using each drug's own pivotal trial. These trials enrolled different patient populations at different time points and used different statistical analysis sets. Cross-trial response-rate differences should not be interpreted as proof that one drug is more effective than another.

Related drug pages on Hipa.ai

Not medical advice. This page summarizes publicly-reported clinical trial data for informational purposes. Treatment decisions belong with a qualified prescribing clinician who knows your medical history. Drug approvals, dosing, and safety profiles change over time — always confirm with the current FDA prescribing information.
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