Clinical and regulatory evidence comparison

VK2735
vs Enicepatide.

Compare VK2735 and enicepatide by GLP-1/GIP mechanism, oral and injectable routes, Phase 2 evidence, Phase 3 programs, tolerability, and approval status.

Direct answer

What is the difference?

VK2735 and enicepatide are different investigational GLP-1/GIP dual agonists with no head-to-head trial. VK2735 is a Viking Therapeutics program being studied as both a weekly injection and daily tablet. Enicepatide, formerly CT-388, is Roche's signal-biased once-weekly injectable program. VK2735 has two 13-week Phase 2 formulation records and fully enrolled injectable Phase 3 trials. Enicepatide has a 48-week Phase 2 result and recruiting Phase 3 trials. Neither is FDA approved, and matching receptor labels do not make their doses, percentages, tolerability, or future products interchangeable.

Decision cockpit

See the useful differences first.

Start with identity, current US status, trial coverage, and the evidence relationship. Then carry the exact pair into a country-aware workspace without losing either record.

Program ACurrent evidence status

VK2735

Investigational - not FDA approved

Route
Once-weekly subcutaneous injection and once-daily oral tablet
Registry
5 matched NCT records
Sponsor
Viking Therapeutics
Open the full VK2735 record
Program BCurrent evidence status

Enicepatide

Investigational - not FDA approved

Route
Once-weekly subcutaneous injection
Registry
8 matched NCT records
Sponsor
Roche / Carmot Therapeutics
Open the full Enicepatide record
Evidence relationship map

VK2735 vs Enicepatide: how direct is the evidence?

Separate trial programs

No participant in the cited sources was randomized between VK2735 and Enicepatide. Identity, mechanism, route, trial design, and regulatory status can be compared. Subtracting percentages from separate studies would create a treatment effect the evidence did not test.

Program A

VK2735

GIP and GLP-1 receptor dual agonist

Route
Once-weekly subcutaneous injection and once-daily oral tablet
Stage
Subcutaneous Phase 3 active; oral Phase 3 planned
Status
Investigational - not FDA approved
Open VK2735 evidence
Program B

Enicepatide

Signal-biased GLP-1 + GIP receptor dual agonist

Route
Once-weekly subcutaneous injection
Stage
Phase 3 ENITH program recruiting
Status
Investigational - not FDA approved
Open Enicepatide evidence
Current registry snapshotIdentity-linked trial coverage

The current exact-intervention dataset contains 268 unique NCT records across 13 tracked investigational programs. Counts describe registry coverage, not comparative evidence strength.

QuestionEvidence statusHow to use it
Identity and mechanismSupported

Compare the named molecules, active components, sponsors, and receptor strategies.

Route, schedule, and stageSupported

Compare the studied route, frequency, development phase, and exact program record.

Regulatory statusCountry-specific

Compare exact approvals, applications, and investigational status in the jurisdiction being checked.

Trial-result differenceNot directly comparable

Treat percentages as separate source records. Do not subtract them, divide them into weekly rates, or use the larger value to name a winner.

Comparative safetyNo comparative conclusion

Use only adverse-event evidence reported for the cited protocol. Separate studies cannot establish which program is safer.

Better for an individualNot established

No group result, receptor count, route, approval milestone, or chart position predicts the best choice for one person.

Country status checks

Check both programs in the same market.

Approval, trial activity, product registration, pharmacy rules, and seller authority are country specific. Open both records before treating a status from one market as valid in another.

Program AViking Therapeutics

VK2735

GIP and GLP-1 receptor dual agonist

Route
Once-weekly subcutaneous injection and once-daily oral tablet
Stage
Subcutaneous Phase 3 active; oral Phase 3 planned
Status
Investigational - not FDA approved
Featured trial anchors
NCT06068946 · NCT06828055 · NCT07104500 · NCT07104383
Open the full VK2735 evidence profile
Program BRoche / Carmot Therapeutics

Enicepatide

Signal-biased GLP-1 + GIP receptor dual agonist

Route
Once-weekly subcutaneous injection
Stage
Phase 3 ENITH program recruiting
Status
Investigational - not FDA approved
Featured trial anchors
NCT06525935 · NCT07351045 · NCT07351058 · NCT04838405
Open the full Enicepatide evidence profile
Side-by-side record

Compare the field, then read the limit.

This is the closest mechanism-level comparison in the current pipeline set because both activate GLP-1 and GIP receptors. That similarity makes it tempting to rank their largest reported percentages or treat one as an oral version of the other. A useful comparison must instead separate molecular design, formulation, trial duration, result definition, placebo adjustment, adverse-event discontinuation, Phase 3 timing, and the absence of randomized comparative evidence.

VK2735 and Enicepatide clinical program comparison
FieldVK2735EnicepatideHow to interpret it
Core mechanismGLP-1 and GIP receptor dual agonistSignal-biased GLP-1 and GIP receptor dual agonistThe headline receptors overlap, while molecular signaling and pharmacology differ and do not establish a clinical winner on their own.
Formulations studiedWeekly subcutaneous injection and daily oral tabletWeekly subcutaneous injectionAn oral formulation expands VK2735's research program, but it does not make VK2735 a substitute for enicepatide or an approved pill.
Phase 2 evidenceUp to 14.7% injectable and 12.2% oral mean change at 13 weeks22.5% placebo-adjusted efficacy estimate and 18.3% treatment-regimen estimate at 48 weeksDuration, placebo adjustment, estimand, formulation, and dose strategy prevent a direct percentage ranking.
Phase 3 programVANQUISH-1 and VANQUISH-2 fully enrolledENITH-1 and ENITH-2 recruitingThe programs are at different operational milestones, but neither has an FDA-approved indication or published Phase 3 outcome.
Identity boundaryViking VK2735 clinical programRoche enicepatide, formerly CT-388, clinical programA shared receptor class cannot authenticate an online product or transfer sponsor evidence, formulation, or regulatory status between names.
Evidence boundary

Why the headline numbers do not name a winner.

VK2735's injectable Phase 2 study reported up to 14.7% mean change at 13 weeks, and its separate oral study reported up to 12.2%. Roche reported 22.5% placebo-adjusted weight loss for enicepatide at 48 weeks under an efficacy estimand and 18.3% under a treatment-regimen estimand. These figures answer different statistical questions over different durations. No valid subtraction, weekly-rate calculation, noninferiority conclusion, or winner claim can be drawn without a common randomized protocol.

Three reading rules

Keep the comparison honest.

  1. 01

    Compare the 13-week and 48-week records as separate studies, not as linear rates or proof that one program reaches a stronger endpoint faster.

  2. 02

    Keep raw mean change, placebo-adjusted change, treatment-regimen estimates, and efficacy estimates labelled exactly as the source reports them.

  3. 03

    Do not treat receptor overlap, Phase 3 activity, or an online listing as evidence of equivalence, approval, commercial availability, or sponsor-authenticated material.

Important boundaryNo comparison creates worldwide approval or verified supply.

A country-specific approval, clinical trial, or matching name does not authenticate an online product or establish access elsewhere. This page contains no treatment recommendation, buying route, personal-use protocol, or affiliate link.

Open the safety and status guide →
Primary referencesVK2735 first-quarter 2026 development updateCurrent VANQUISH enrollment, injectable Phase 3 design, oral development plan, results context, and investigational statusViking Therapeutics · April 29, 2026VENTURE-Oral results presented at ECO 2026Oral dose groups, 13-week mean changes, placebo-adjusted results, responder thresholds, adverse-event summary, and Phase 3 planViking Therapeutics · May 12, 2026Weekly subcutaneous VK2735 Phase 2 publicationPeer-reviewed VENTURE design, population, dose groups, 13-week weight results, adverse-event context, and trial identifierPubMed / Obesity · January 8, 2026VENTURE injectable Phase 2 study - NCT06068946Completed status, actual enrollment, weekly route, randomized design, population, study dates, endpoints, and publication linkClinicalTrials.gov · Record checked July 18, 2026VENTURE-Oral Phase 2 study - NCT06828055Completed oral study, actual enrollment, daily route, randomized design, dose-finding purpose, endpoints, and study datesClinicalTrials.gov · Record checked July 18, 2026VANQUISH-1 Phase 3 study - NCT07104500Phase 3 design, obesity population without type 2 diabetes, weekly doses, enrollment, endpoints, and current record statusClinicalTrials.gov · Record checked July 18, 2026VANQUISH-2 Phase 3 study - NCT07104383Phase 3 design, type 2 diabetes population, weekly doses, enrollment, endpoints, and current record statusClinicalTrials.gov · Record checked July 18, 2026VK2735 development profileSponsor identity, dual receptor mechanism, oral and subcutaneous formulations, and development purposeViking Therapeutics · Record checked July 18, 2026CT388-103 Phase 2 results48-week efficacy estimands, dose context, adverse-event discontinuation, mechanism, and development planRoche · January 27, 2026CT388-103 Phase 2 study - NCT06525935Completed randomized design, actual enrollment, population, route, intervention aliases, and endpointsClinicalTrials.gov · Record checked July 18, 2026ENITH-1 Phase 3 study - NCT07351045Recruiting status, Phase 3 design, estimated enrollment, actual start, aliases, and completion timingClinicalTrials.gov · Record checked July 18, 2026ENITH-2 Phase 3 study - NCT07351058Type 2 diabetes population, recruiting status, Phase 3 design, estimated enrollment, and timingClinicalTrials.gov · Record checked July 18, 2026CT-388 mechanism and Phase 1 clinical evidencePeptide identity, signal-biased dual receptor design, Phase 1 methods, pharmacokinetics, and once-weekly rationalePubMed / Molecular Metabolism · January 2026Enicepatide and petrelintide development updateCurrent enicepatide naming, Phase 2 program, Phase 3 development, and combination-study contextRoche · June 1, 2026