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Comparison · sourced side by side

Survodutide vs Tirzepatide

The sources here do not include a direct trial of survodutide against tirzepatide. Each drug was tested in its own study, with different people and follow-up times. The gap between those results does not show how the drugs compare. Read each study’s doses, results and limits below.

Human trial FDA label

What matters first

Head-to-head evidence
No direct trial
Survodutide record
Human trial; 1 sourced dose row
Tirzepatide record
FDA label; 2 sourced dose rows

Is there a head-to-head trial?

The cited trials do not compare survodutide and tirzepatide head to head. One study may enroll people who weigh more at the start or follow them for longer. Those differences can affect the results. Subtracting one study’s weight-loss figure from another’s does not tell us how much of the gap comes from the drug.

Each result can still be read on its own. Both appear below with their own citations, but not on one shared chart.

SurvodutideHuman trial

46-week phase 2 dose-finding trial (20-week escalation + 26-week maintenance) · 387 participants · 46 weeks

  • 0.6 mg — -6.2% mean weight change
  • 2.4 mg — -12.5% mean weight change
  • 3.6 mg — -13.2% mean weight change
  • 4.8 mg — -14.9% mean weight change
  • placebo — -2.8%
The full survodutide record →
TirzepatideFDA label

Approved with a prescribing label; its dosing schedule and reaction profile are label-sourced and shown in the table below.

The full tirzepatide record →

Side by side

Compare approved uses, studied doses and reported effects. Missing information is labeled, and the sources for the clinical figures appear below.

Survodutide and Tirzepatide side by side: drug class, brand names, FDA approval, strongest source, dosing, half-life, boxed warning, reported reactions and typical vial sizes
PropertySurvodutideTirzepatide
Drug classGlucagon/GLP-1 dual receptor agonist (investigational)GIP/GLP-1 dual receptor agonist
Brand namesNone — no approved productZepbound, Mounjaro
FDA approvalNot approved — investigationalApproved
Strongest sourceHuman trialFDA label
Dosing0.6–4.8 mg once weekly (phase 2 arms: 0.6, 2.4, 3.6 or 4.8 mg, reached by up to 20 weeks of escalation)5–15 mg once weekly (5, 10, or 15 mg)
Half-lifeNot recorded≈ 5 days
Boxed warningNone on recordRisk of thyroid C-cell tumors
Reactions on record415
Typical vial sizes5 mg · 10 mg5 mg · 10 mg · 15 mg · 30 mg · 60 mg
4Comparison detailsMechanism, side effects, regulatory context, and source records

How they work differently

Survodutide is a glucagon/glp-1 dual receptor agonist. Tirzepatide is a gip/glp-1 dual receptor agonist. They switch on different signals in the body. That can change both benefits and side effects. Even with a shared target, one drug cannot simply take the place of the other.

More targets do not guarantee a better result. They change both the effect and the side-effect pattern. A clinician weighs those tradeoffs for each person.

Side effects compared

Side effects below come from each compound’s own page, grouped by whether both records list them. A side effect on one list only means the other record does not carry it — not that it never happens.

On both records
  • Nausea
  • Vomiting
Recorded for Survodutide only
  • Stomach and gut events overall (nausea, vomiting, constipation)
  • any side effect
Recorded for Tirzepatide only
  • Diarrhea
  • Constipation
  • Abdominal pain
  • Dyspepsia (indigestion)
  • Decreased appetite
  • reactions where injected
  • Fatigue
  • Acute pancreatitis
  • Gallbladder disease (cholelithiasis)
  • Hypoglycemia (with insulin or a sulfonylurea)
  • Acute kidney injury (from dehydration)
  • Diabetic retinopathy complications
  • Severe hypersensitivity reactions

Regulatory status compared

Survodutide

FDA has not approved survodutide, also called BI 456906.

Phase 3 SYNCHRONIZE trials study obesity. A separate phase 2 program studies MASH, a form of liver disease. No dosing label exists, and any product sold today is unapproved.

The doses here describe study groups, not advice.

Tirzepatide

FDA-approved as branded pens.

Compounded tirzepatide now faces tight limits. FDA declared the shortage over in late 2024. It has proposed dropping tirzepatide from the 503B bulks list.

That leaves one narrow lane: 503A compounding for a named patient with a documented clinical need.

The full regulatory tracker →

Keep reading

Open the individual drug guides for full dose schedules, study details and related tools.

What the sources say about survodutide, beyond Survodutide vs tirzepatide

4 sourced survodutide reactions, on its own page, separate from Survodutide vs tirzepatide.

Tirzepatide on its own page, outside Survodutide vs tirzepatide

An approved tirzepatide label exists — beyond Survodutide vs tirzepatide.

Work out a tirzepatide draw, one side of Survodutide vs tirzepatide

Tirzepatide vial sizes: 5 mg, 10 mg, 15 mg, 30 mg and 60 mg. These do not come from Survodutide vs tirzepatide.

The survodutide calculator behind Survodutide vs tirzepatide

The survodutide vial presets are 1 mL and 2 mL of water. They belong to this tool, not to the Survodutide vs tirzepatide page.

The survodutide schedule that Survodutide vs tirzepatide summarizes

The whole survodutide trial program, in full past Survodutide vs tirzepatide.

Tirzepatide dosing in full, beyond Survodutide vs tirzepatide

Tirzepatide has an approved label. This is separate from Survodutide vs tirzepatide.

Mixing math for any peptide, with Survodutide vs tirzepatide as one example

Concentration, units per draw and draws per vial, including Survodutide vs tirzepatide

More options to compare after Survodutide vs tirzepatide

Compare doses, side effects and study findings for Survodutide vs tirzepatide.

The dated regulatory page behind Survodutide vs tirzepatide

Every entry cites its source. It comes from the Federal Register or fda.gov, with Survodutide vs tirzepatide as context

How both pages in Survodutide vs tirzepatide were source-checked

How an FDA label differs from a human trial or a claim with no human data, with Survodutide vs tirzepatide as one example

Common questions

Which is more effective, survodutide or tirzepatide?

The cited studies do not answer that directly. Each drug was studied separately, so subtracting their results does not show how they would compare in the same trial.

Can these two be compared using their separate trial results?

Not reliably. The people, time span and goals can differ from trial to trial. A head-to-head trial tests both drugs in the same study.

Are the side-effect profiles the same?

Both records list 2 of the same side effects, mostly gut symptoms. Their full lists and study groups differ, so matching names do not mean matching rates.

Is either one approved by the FDA?

Tirzepatide is FDA-approved and has a prescribing label. Survodutide is still experimental, has no approved label, and anything sold today is unapproved.

Does a newer compound mean a better one?

No. A newer drug often has less evidence, a shorter safety record, and no approved label. The strength of the evidence above is more useful than age alone.

Can someone switch between them?

A prescriber needs to consider the reason for treatment, current dose and response before planning a change.

Questions readers ask

Is anything better than tirzepatide?

SURMOUNT-5 found greater average weight loss with tirzepatide than with semaglutide: 20.2% versus 13.7% after 72 weeks.

Survodutide was not part of that trial. Its separate phase 2 result cannot establish whether it works better or worse than tirzepatide.

When will survodutide be approved?

The trial sources on this page do not establish an FDA approval date for survodutide. A trial schedule is not an approval schedule.

Study results can support an application, but they do not guarantee approval or establish a prescribing dose.

How effective is survodutide for weight loss?

In the 46-week phase 2 trial, 387 people were assigned to survodutide or placebo. Average weight change ranged from −6.2% to −14.9% across the four drug groups, versus −2.8% with placebo.

The trial tested different doses against placebo. It did not compare survodutide with tirzepatide.

Is tirzepatide going to be discontinued?

The Mounjaro and Zepbound labels reviewed for this comparison still list tirzepatide. Those labels do not announce that the manufacturer is stopping these products.

A current label does not guarantee stock at a pharmacy. Availability and a manufacturer’s decision to stop a product are different questions.

2primary sources, each with the day we read it — open the documents used on this page