Abstract
Sildenafil congress abstract
Structured results within a strict word limit, with every number traceable to the data.
Read the abstract →Olivas-Rasmussen
Medical WritingChanging healthcare is hard. Communicating it shouldn't be.
I'm Crystal Olivas-Rasmussen, PhD, a biochemist and medical writer. I help pharma and biotech teams, and the healthcare creatives who work with them, turn complex science into clear, accurate, review-ready communication.
For med comms & pharma teams
Congress and publication materials
One study, told three ways: a congress abstract, a slide deck, and a plain language summary built from the same clinical data. Plus a poster and a conference talk from my own research.
Slide deck
Sildenafil slide deck
Clinical data organized into a clear story for an HCP audience.
View the slides →Plain language summary
Sildenafil plain language summary
The same study rewritten for patients and the public, at an everyday reading level.
Read the summary →Scientific posterSRBR 2026
Nocturnin-mediated mitochondrial fragmentation
Original research designed for a busy poster hall: one clear message per panel.
View the poster →Conference talkGRS 2025
Elucidating the enzymatic mechanism of Nocturnin and development of pharmacological inhibitors
An invited oral presentation of mechanism and drug discovery data at a Gordon Research Seminar.
Slides available on request
For ad agencies & copywriters
MLR review and promotional accuracy
Persuasive copy still has to survive medical, legal, and regulatory review. These samples show how I connect each claim to its source and catch problems before reviewers do.
MLR claim reviewNew
Claim substantiation review of an Ozempic® HCP page
Six claims checked against the prescribing information and trial papers, with fair-balance and trademark flags.
Read the review →Promotional copyNew
Annotated HCP web copy for a PKU medicine
Promotional claims pinned to their exact sources, plus the overreach a reviewer would catch.
See the annotated copy →For biotech founders
Grants and investor materials
Early-stage teams need non-dilutive funding and clear scientific stories for investors. I write both, working directly from your data.
NIH SBIR Specific AimsNew
Oral chaperones to restore PAH activity in phenylketonuria
A one-page Specific Aims with a clear gap, testable hypothesis, and go/no-go milestones.
Read the Specific Aims →Investor one-pagerNew
Resetting the body clock for people who work at night
A non-confidential summary that makes circadian biology clear to investors without a science background.
Read the one-pager →Peer-reviewed & public writing
Published research and science writing
Peer-reviewed research spanning circadian biology and the phenylketonuria enzyme, plus science written for a general audience. Earlier papers are published under Crystal A. Khan.
First-author articleOpen access
Evolutionary divergence of Nocturnin led to redox regulation in mammalian orthologs
Read the article ↗First-author article
Characterization of the enzymatic activity of the rhythmic human NADP(H) phosphatase, Nocturnin
Read the article ↗First-author article
The phenylketonuria-associated substitution R68S converts phenylalanine hydroxylase to a constitutively active enzyme but reduces its stability
Read the article ↗Co-author article
Thermal profiling reveals phenylalanine hydroxylase as an off-target of panobinostat
Read the article ↗Science article for the public
Fall forward, spring back: the outdated and dangerous tradition of Daylight Saving Time
Read the article →
About
I hold a PhD in Biochemistry and Biophysics and spent 15 years in academic research at UT Southwestern Medical Center before founding Olivas-Rasmussen Medical Writing LLC. My work has appeared in Nature Chemical Biology and Archives of Biochemistry and Biophysics.
I check every claim against its source, verify every number, and deliver on time.
Rare diseaseInborn errors of metabolismCircadian biologyEnzyme biochemistryRedox biology
What I write
- Congress abstracts, posters, and slide decks
- Manuscripts and publication support
- Plain language summaries
- Scientific QC and reference checking for MLR review
- Scientific partnership for healthcare copywriters
- Grant writing, including NIH SBIR/STTR
- Advisory board materials and meeting reports