Clinical and regulatory evidence comparison

MariTide
vs CagriSema.

Compare MariTide and CagriSema by monthly versus weekly research, GIP antagonism versus amylin, Phase 2 and Phase 3 results, and FDA status.

Also searched as monthly MariTide vs weekly CagriSema · AMG 133 vs CagriSema

Direct answer

What is the difference?

MariTide and CagriSema are different investigational obesity programs with no head-to-head trial. MariTide is Amgen's peptide-antibody conjugate that activates GLP-1 receptors and antagonizes GIP receptors, with monthly dosing at the center of its efficacy program. CagriSema is Novo Nordisk's once-weekly combination of cagrilintide and semaglutide, engaging amylin and GLP-1 pathways. CagriSema has completed pivotal Phase 3 trials and is under FDA review. MariTide has Phase 2 efficacy evidence and an active Phase 3 program. Neither is FDA approved.

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

MariTide

Investigational - not FDA approved

Route
Subcutaneous injection
Registry
27 matched NCT records
Sponsor
Amgen
Open the full MariTide record
Program BCurrent evidence status

CagriSema

Submitted to FDA - not yet approved

Route
Once-weekly subcutaneous injection
Registry
30 matched NCT records
Sponsor
Novo Nordisk
Open the full CagriSema record
Evidence relationship map

MariTide vs CagriSema: how direct is the evidence?

Separate trial programs

No participant in the cited sources was randomized between MariTide and CagriSema. 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

MariTide

GLP-1 receptor agonist + GIP receptor antagonist

Route
Subcutaneous injection
Stage
Phase 3 program active
Status
Investigational - not FDA approved
Open MariTide evidence
Program B

CagriSema

Amylin analogue + GLP-1 receptor agonist

Route
Once-weekly subcutaneous injection
Stage
Phase 3 / US regulatory review
Status
Submitted to FDA - not yet approved
Open CagriSema 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 AAmgen

MariTide

GLP-1 receptor agonist + GIP receptor antagonist

Route
Subcutaneous injection
Stage
Phase 3 program active
Status
Investigational - not FDA approved
Featured trial anchors
NCT05669599 · NCT06858878 · NCT07037433
Open the full MariTide evidence profile
Program BNovo Nordisk

CagriSema

Amylin analogue + GLP-1 receptor agonist

Route
Once-weekly subcutaneous injection
Stage
Phase 3 / US regulatory review
Status
Submitted to FDA - not yet approved
Featured trial anchors
NCT05567796 · NCT05669755 · NCT07011667
Open the full CagriSema evidence profile
Side-by-side record

Compare the field, then read the limit.

These programs represent two different convenience and mechanism bets. MariTide is testing whether a long-acting monthly approach can reduce treatment frequency, while CagriSema combines two established peptide strategies in one weekly regimen. Comparing them is useful for route, mechanism, evidence maturity, regulatory status, and study design. It is not a basis for naming a stronger or safer medicine from unrelated trials.

MariTide and CagriSema clinical program comparison
FieldMariTideCagriSemaHow to interpret it
MechanismGLP-1 receptor agonism plus GIP receptor antagonismCagrilintide amylin activity plus semaglutide GLP-1 activityThe receptor strategies are different, and a mechanism description cannot determine comparative clinical benefit or safety.
Lead scheduleMonthly injection, with lower-frequency maintenance also studiedOnce-weekly fixed-dose injectionMariTide's quarterly evidence concerns selected participants continuing maintenance, not a proven quarterly starting regimen.
Evidence anchorUp to 19.9% at week 52 in Phase 2 under an efficacy estimand22.7% at week 68 in Phase 3 under the trial-product estimandDifferent trial phases, durations, estimands, and treatment strategies prevent a valid percentage ranking.
Current milestoneMARITIME Phase 3 program activeFDA New Drug Application under reviewCagriSema is further along in US regulatory review, while neither program has an approved label or commercial schedule.
Durability questionContinued lower-frequency maintenance is being studiedLong-term weight-maintenance Phase 3 study is activeContinued treatment is not evidence that weight remains off after stopping either investigational drug.
Evidence boundary

Why the headline numbers do not name a winner.

MariTide reported up to 19.9% mean loss at week 52 under an efficacy estimand in its Phase 2 obesity cohort, while the treatment-policy range was 12.3% to 16.2%. CagriSema reported 22.7% at week 68 under the REDEFINE 1 trial-product estimand and 20.4% under the treatment-policy estimand. The studies differed in phase, duration, randomization, escalation, population, comparator response, and missing-data handling. Placing the values side by side does not create a direct efficacy comparison.

Three reading rules

Keep the comparison honest.

  1. 01

    Keep MariTide's monthly efficacy evidence separate from exploratory quarterly maintenance in selected participants who continued treatment.

  2. 02

    Attach every result to trial phase, duration, estimand, population, escalation plan, and placebo response before placing values side by side.

  3. 03

    Keep CagriSema's submitted application separate from approval and reject any commercial offer that borrows either development name as proof of identity.

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 referencesResults from the Phase 2 obesity study of monthly MariTide52-week efficacy estimates, mechanism, route, tolerability, and Phase 3 programAmgen · June 23, 2025Amgen fourth-quarter and full-year 2025 resultsSecond-year lower monthly and quarterly maintenance updateAmgen · February 2026Phase 2 dose-ranging study - NCT05669599Study design, endpoints, route, and second-year re-randomizationClinicalTrials.gov · Record checked July 17, 2026MARITIME-2 Phase 3 study - NCT06858878Phase 3 status, sponsor, population, and study stageClinicalTrials.gov · Record checked July 17, 2026Novo Nordisk files for FDA approval of CagriSemaNDA submission, submitted regimen, Phase 3 result, and adverse-event summaryNovo Nordisk · December 18, 2025CagriSema REDEFINE 4 and FDA review updateInvestigational status, REDEFINE 4 results, and the sponsor's anticipated late-2026 FDA decision windowNovo Nordisk · February 23, 2026CagriSema REIMAGINE 1-3 Phase 3 resultsType 2 diabetes Phase 3 populations, efficacy estimands, weight results, adverse-event context, and projected Q4 2026 FDA decision windowNovo Nordisk · June 7, 2026Innovation and therapeutic focus - Annual Report 2025Mechanism, REDEFINE 1 and 2 results, and filing statusNovo Nordisk · February 2026REDEFINE 1 Phase 3 study - NCT05567796Sponsor, design, phase, publications, and current record statusClinicalTrials.gov · Record checked July 17, 2026REDEFINE 1 direct randomized resultsCagriSema, semaglutide, cagrilintide, and placebo results under the trial-product and treatment-policy estimandsNovo Nordisk · December 20, 2024REDEFINE 1 peer-reviewed publicationPeer-reviewed randomized trial design, population, interventions, results, and safety recordNational Library of Medicine, PubMed · June 22, 2025Long-term weight maintenance study - NCT07011667Ongoing Phase 3 long-term maintenance programClinicalTrials.gov · Record checked July 17, 2026