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4.2 KiB
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66 lines
4.2 KiB
Markdown
---
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type: source
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title: "GLP-1 Trends 2025: Real-World Data, Patient Outcomes and Future Therapies"
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author: "HealthVerity"
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url: https://blog.healthverity.com/glp-1-trends-2025-real-world-data-patient-outcomes-future-therapies
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date: 2025
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domain: health
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secondary_domains: []
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format: analysis
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status: unprocessed
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priority: medium
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tags: [glp-1, adherence, persistence, real-world-data, weight-loss, outcomes, demographics]
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---
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## Content
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Real-world GLP-1 outcomes data from HealthVerity's pharmacy claims and clinical data:
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**Persistence (staying on drug):**
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- **63%** of patients initiating Wegovy/Zepbound in early 2024 remained on therapy at one year (up from 40% in 2023)
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- **Only 14% persisted after three years**
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- 22% of semaglutide users and 16% of tirzepatide users stopped within the first year
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**Weight loss outcomes (real-world vs. trial):**
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- Semaglutide: **7.7% weight loss** after one year (real-world)
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- Tirzepatide: **12.4% weight loss** after one year (real-world)
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- These represent "roughly half the weight loss seen in randomized trials"
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- SURMOUNT-5 trial: tirzepatide 20% vs. semaglutide 14%
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**Demographics:**
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- Women use GLP-1s at higher rates than men, particularly ages 50-64
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- Ages 30-49: women more than twice as likely as men to use
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**Safety signals:**
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- ~50% report nausea; one-third report diarrhea (GI effects are primary discontinuation reason)
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- Emerging concerns: psychiatric effects, respiratory risks in asthma patients, nutrient deficiencies
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**Pipeline:**
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- Oral GLP-1 formulations in development
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- Amylin mimetics and dual agonists (mazdutide)
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- Muscle-preserving combination therapies
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## Agent Notes
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**Why this matters:** The 14% three-year persistence figure is the most damning data point in the entire GLP-1 landscape. Even with a year-one improvement (40% → 63%), the three-year data shows a cliff. Combined with the known metabolic rebound within 28 weeks of stopping (Session 22), this means the population receiving durable metabolic benefit is approximately 14% of those who start — or roughly 1.7% of eligible obese/overweight adults (14% of 23% who start).
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**What surprised me:** The year-one improvement (40% → 63% from 2023 to 2024 cohort) suggests adherence programs and better prescribing practices are working. But the three-year cliff persists. This is consistent with the behavioral program data from Sessions 22-23 (near-term improvement with structural exit).
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**What I expected but didn't find:** Any data on adherence by income or insurance type within this real-world dataset. The gender breakdown is useful but the income/race gap remains documented by other sources (Wasden 2026).
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**KB connections:**
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- The 63% year-one / 14% year-three pattern directly supports the "continuous treatment required, continuous treatment being removed" pattern from Sessions 17, 20, 22 (journal)
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- Real-world outcomes at roughly half trial efficacy strengthens the "structural barriers reduce population-level impact" claim
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- Connects to behavioral program data: Omada's 63% post-discontinuation weight maintenance (Session 23) looks even more significant given the standard 14% persistence context
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**Extraction hints:**
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- ENRICH existing adherence claims with real-world cohort data: 63% year-one (2024 cohort), 14% year-three
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- The real-world/trial gap (7.7% vs. 14% weight loss for semaglutide) could support a claim about effectiveness under real-world access conditions
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- Note the denominator problem: persistence data is among those who START, not among all eligible
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**Context:** HealthVerity is a health data company with access to large pharmacy claims datasets. This is commercial analysis, not peer-reviewed research, but tracks with published studies.
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## Curator Notes (structured handoff for extractor)
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PRIMARY CONNECTION: GLP-1 adherence trajectory claims (Sessions 22, 23) — specifically the year-one improvement vs. year-three cliff
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WHY ARCHIVED: The 2024 cohort year-one improvement (40%→63%) is new and should update the existing year-one adherence figure. The three-year 14% figure remains the structural constraint.
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EXTRACTION HINT: This source primarily enriches existing adherence claims rather than generating new ones. The key update is the 2024 cohort year-one figure (63%), which represents improvement but doesn't change the trajectory.
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