What Is Realization Rate, and How Do You Calculate It?
Your Realization Rate is the share of the value you already earned that actually arrives. Earned value is a clinical decision made in your favor. Realized value is a patient on your therapy long enough to get the benefit your trial demonstrated. Divide the second by the first and you have the number.
That is the only measure in this field a finance director will accept without an argument, because it is a ratio of money to money rather than a score about feelings.
Most companies cannot produce it. The inputs exist in four different systems owned by four different functions, and nobody has ever been asked to put them in the same sentence.
Why does this measure survive a finance conversation?
Because it does not ask anyone to believe that sentiment causes revenue.
Think about how your CX numbers die. Somebody presents a satisfaction score, somebody senior asks what it is worth, and the answer involves a correlation from another industry. The conversation ends there, politely, and the program is quietly defunded over the following two years.
Realization Rate skips that fight. Your science and your promotion earned a decision. Either that decision became therapy or it did not. The gap is money you already paid for and did not collect.
Even the loyalty literature concedes the link it cannot carry. Bain found that goodwill is "a necessary but insufficient condition for generating revenue growth." Realization Rate starts on the sufficient side of that sentence.
How do you calculate it?
Four inputs. You have three of them already.
One. Earned decisions. The count of clinical decisions made in your favor in the period. Prescriptions written, orders placed, referrals made to your therapy. Your sales and prescription data holds this.
Two. Realized therapy. The count of those decisions that became a patient on therapy at your clinically meaningful duration. Pick the duration from your own label and trial, not from a reporting convention.
Three. Value per realized patient. Your existing net revenue per patient at that duration. Finance has this and will hand it over in an afternoon.
Four. The seam map. Where between one and two the losses happen. This is the input nobody has, and building it is most of the work.
The arithmetic is deliberately simple. Realized therapy divided by earned decisions gives you the rate. Multiply the shortfall by value per patient and you have the money, which is your Customer Value at Risk.
Run it by brand rather than by company. A portfolio average hides the only thing worth knowing, which is which brand is leaking and where.
What is a good Realization Rate?
Nobody knows, because almost nobody publishes one. That is an opportunity rather than a problem for you.
Here is what the published evidence suggests about the scale of the loss in the US. A 2026 JAMA study summarized by Johns Hopkins found insurer rejections reached 40.7% of initial brand name attempts in 2024. Of those rejected scripts, 48.4% were never followed by a fill of that drug or anything in its class within 90 days.
Cost finishes what paperwork starts. IQVIA Institute data reported by Managed Healthcare Executive found that of prescriptions with a final cost above $250, 61% are not picked up.
Be careful with any single benchmark, because the real variance is enormous. An earlier review in the American Journal of Pharmacy Benefits reported that findings on primary nonadherence "range from as little as 2% of new prescriptions going unfilled to as many as 30%".
So do not chase an industry number. Measure your own, then beat it. Your first calculation is your baseline and every quarter after that is the comparison that matters.
Where does the value actually leak?
Along three sequential paths, and your answer will be different for every brand you run.
The Path to Prescribe runs from an undiagnosed patient to a clinical decision. Losses here are identification and diagnosis problems rather than experience problems, and they sit outside the Realization Rate because no value has been earned yet.
The Path to Fulfill runs from the decision to the medicine in a hand. This is where most US leakage lives. In the American Medical Association's latest survey, 93% of physicians said prior authorization delays care and 82% said it at least sometimes leads patients to abandon treatment.
The Path to Adhere runs from first fill to clinically meaningful duration. Losses here are quieter, slower and larger than most brand teams believe, because nobody is watching month four.
Name the seam, put an owner on it, measure the time it takes to clear. The money sitting in those seams is what I call value leakage, and Realization Rate is simply the leakage expressed as a rate rather than an anecdote.
What do you do with the number once you have it?
Put it on the commercial scorecard beside share and growth, and make one person accountable for moving it.
Three things change the moment it exists.
Your investment debate gets a denominator. Spending on promotion grows earned decisions. Spending on the seams grows the share you realize. For the first time you can compare the two with the same arithmetic instead of arguing about philosophy.
Your forecast gets honest. A brand running at a low realization rate is carrying a known, sizeable, recoverable loss, and treating that as Customer Value at Risk puts it in a plan rather than in a complaint.
Your experience work gets funded, because it stops being a quality initiative and starts being a revenue recovery program with a number attached. The supporting measures are in how to measure customer experience in pharma, and the ownership question is in who should own customer experience in a pharma company.
What are the three ways companies get this wrong?
All three are avoidable and all three are common.
They measure it at company level. An average across a portfolio tells you nothing you can act on, because the brand with the access problem and the brand with the persistence problem need completely different work.
They pick the duration that flatters them. If your trial demonstrated benefit at twelve months, realization at thirty days is a vanity number. Let the science set the denominator.
They give it to the insights team. A measure owned by a function that cannot change the operation becomes a report. Give it to whoever can convene market access, patient services and the field in the same room.
Worth remembering why the opportunity is open. Deloitte's 2025 research found that only 28% of HCPs believe pharma's engagement strategies meet their needs, against 82% of life sciences executives who say they are satisfied. Your competitors are mostly working from the 82% number, which means they are not looking for this loss at all.
Where does this sit in the wider argument?
It is the measurement end of it, and the standard above it is a different question.
Realization Rate tells you how much of your earned value arrives. Consumer-Grade tells you the quality bar your customers are already applying while it does or does not arrive. Customer Excellence is the discipline that moves the rate, and the future of the pharma commercial model is why the whole thing matters more every year.
Start with one brand and one quarter. You will find the number is worse than you expected and more recoverable than you feared.
Key takeaways
- Realization Rate is realized therapy divided by earned clinical decisions, expressed per brand rather than per company.
- It survives a finance conversation because it compares money to money rather than asking anyone to believe sentiment causes revenue.
- Three of the four inputs already exist in your systems. The missing one is a map of where between decision and therapy you lose people.
- There is no credible industry benchmark, so your first calculation is your baseline and the quarterly comparison is the measure that counts.
- Let your own trial duration set the denominator, or you are measuring a number designed to flatter you.
Questions to ask your leadership team
- For your lead brand, what share of clinical decisions made in your favor becomes therapy at clinically meaningful duration?
- Who in the company could produce that number this month, and what would they have to ask four other functions for?
- What duration are you using, and did the science or the reporting calendar choose it?
- If you multiplied the shortfall by net revenue per patient, would the result change what you fund next year?
- Who owns the number, and can that person convene market access, patient services and the field?
About the author
Wayne Simmons is the founder of The Customer Excellence AGENCY and the author of The Customer Excellence Enterprise (Wiley, 2024). He is founding faculty of the MS in Customer Experience Management at Michigan State University's Broad College of Business. He led global customer excellence in Pfizer's first Chief Marketing Organization and in Bayer's Customer Powerhouse. Related reading: What is value leakage in pharma?, The future of the pharma commercial model and What is Customer Excellence?







