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Home  /  Peptide Therapy  /  Research

Research & evidence

An honest accounting of what the literature supports, what it doesn’t yet, and how that difference changes the way we prescribe and monitor.

What the evidence actually supports

Peptide therapy occupies an unusual position. A few compounds are FDA-approved with substantial human trial data behind them. Many more have promising preclinical work — cell culture and animal models — but limited controlled human evidence. A responsible practice has to be honest about which is which.

Below is how CPM categorises the evidence base for the compounds in our library. This framing shapes how we counsel patients, how conservatively we dose, and how closely we monitor.

Tier 1

FDA-approved

Approved for at least one indication with human trial data supporting safety and efficacy. Tesamorelin and Sermorelin fall here. Use outside the approved indication is still off-label.

Tier 2

Human data, unapproved

Published human studies exist, often small or in specific populations, but the compound lacks approval for the use discussed. PT-141, Thymosin Alpha-1, and MK-677 sit in this tier.

Tier 3

Preclinical / emerging

Mechanistically plausible with animal or in-vitro support, but thin human evidence. BPC-157, TB-500, MOTS-c, SLU-PP-332, and Epithalon belong here. Counselling and monitoring are correspondingly more conservative.

How we handle Tier 3

Emerging evidence is not a reason to refuse a therapy outright, but it does change the conversation. For Tier 3 compounds we set explicit expectations, start at conservative doses, define a review point in advance, and stop if the objective markers don’t move. A protocol that isn’t working gets discontinued rather than escalated.

What we won’t claim

You will not find outcome guarantees, before-and-after promises, or disease-treatment claims anywhere in this section. Several compounds here are studied for conditions they are not approved to treat, and the honest summary of much of this literature is that larger controlled trials are still needed.

If you want to read the primary literature yourself, ask at your consultation. Your physician can point you to the specific trials and reviews behind any compound you’re considering — including the studies that argue against it.

Ongoing review

The evidence base here moves quickly. CPM reviews the literature underpinning our protocol library periodically and adjusts tiering, dosing guidance, and patient counselling as new data lands — in both directions.

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