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GLP-1 Decoder

Tirzepatide Eligibility: BMI, Diagnosis

Tirzepatide is FDA approved for type 2 diabetes and heart risk; you qualify when your diagnosis matches one of those uses. Health plans then add their own rules before they pay. In SURMOUNT-1, people on Zepbound lost 20.9% of body weight on average, vs 3.1% on placebo.

Brands
Mounjaro and Zepbound
Best result (SURMOUNT-1)
20.9% weight loss

Zepbound in short

How long it stays in your body
100%50%25%0%05.5 d11 d16.5 d22 d27.5 d50%25%12.5%time after the dose

The half-life is 5 to 6 days: after 5.5 d half is gone, and after five half-lives (27.5 d) about 3% is left.

Weight lost in the main trial
SURMOUNT-1: 5 mg weekly15%SURMOUNT-1: 10 mg weekly19.5%SURMOUNT-1: 15 mg weekly20.9%Placebo3.1%

In SURMOUNT-1 at 72 weeks, people lost 20.9% of body weight, compared with 3.1% on placebo.

Price as time goes on
202420252026$1,086.37$0List priceSelf-pay

Monthly prices in US dollars: the list price and self-pay offers, each taken from the maker's price page.

Sources: FDA label (DailyMed), Eli Lilly 1 2, cnbc.com.

Who qualifies?

Tirzepatide: who qualifies
Who sets the ruleWho qualifies
MounjaroIt lowers blood sugar for adults and children who have type 2 diabetes and are 10 or older, together with diet and exercise.
MounjaroThis medicine lowers the risk of heart attack, stroke, and heart-related death for high-risk adults who have type 2 diabetes.
ZepboundIt helps adults with obesity, and adults who are overweight with a weight-related condition, lose weight and keep it off over the long term alongside diet and activity.
ZepboundModerate or severe obstructive sleep apnea is treated with it in adults with obesity.
Medicare GLP-1 BridgeBMI 35 or higher, no condition needed
Medicare GLP-1 BridgeBMI 30 or higher, plus heart failure, uncontrolled blood pressure or CKD 3a+
Medicare GLP-1 BridgePAD, prediabetes, or a heart attack or stroke in the past, plus a BMI of 27 or higher
Typical commercial plan (Aetna policy)BMI 30 or higher
Typical commercial plan (Aetna policy)BMI 27 or higher with a weight-related condition
Typical commercial plan (Aetna policy)first, a diet and activity program that lasts 6 months

Sources: 1 2 taken from the FDA label (DailyMed); 1 2 from medicare.gov; aetna.com.

Results from weight loss trials

Tirzepatide trials relevant to eligibility
TrialMedicineWho took partLengthPeopleMain resultComparison
SURMOUNT-1 ZepboundAdults with obesity or overweight, without diabetes72 weeks2,53920.9% weight loss3.1% on placebo
SURMOUNT-5 ZepboundAdults with obesity, without type 2 diabetes72 weeks75120.2% weight lossNot listed

Sources for the trials: SURMOUNT-1 (FDA label (DailyMed)) and SURMOUNT-5 (PubMed).

How is weight loss different?

Label points on tirzepatide eligibility
What changesWhat the label saysLabels
Risk of Thyroid C-Cell TumorsIn rodents it caused thyroid C-cell tumors, but whether it causes them in people is not known. Anyone whose own medical history or family history includes medullary thyroid cancer (MTC), and anyone with MEN 2, should not take this medicine.All of them

The FDA labels are the source of this information: FDA (DailyMed).

These warnings come from the label: The FDA label (DailyMed).

Coverage for weight loss

If a GLP-1 is taken only for weight loss, Medicare Part D will not pay for it.

The Medicare GLP-1 Bridge rules put Zepbound at $50 a month for people who qualify.

When Medicaid covers weight-loss GLP-1s, prior authorization is usually required.

Sources: humana.com, CMS, KFF.

Alternatives for weight loss

GLP-1 medicines and eligibility
MedicineFor eligibilityHow it is takenTrial result
MounjaroType 2 diabetes and heart riskweekly injectionNot listed
ZepboundWeight loss and sleep apneaweekly injection20.9% weight loss
OzempicHeart risk; type 2 diabetes; plus kidney disease for people with type 2 diabetesweekly injectionNot listed
WegovyWeight loss, heart risk and MASH liver diseaseweekly injection or daily tablet14.9% weight loss
RybelsusType 2 diabetes and heart riskdaily tabletNot listed
FoundayoWeight lossdaily tablet11.1% weight loss
TrulicityType 2 diabetes and heart riskweekly injectionNot listed
SaxendaWeight lossdaily injection7.4% weight loss
VictozaType 2 diabetes and heart riskdaily injectionNot listed
ByettaType 2 diabetestwice-daily injectionNot listed

Source of the warning: FDA label (DailyMed).

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