Re: Im going to be taking the week off next week to…
u/drwillpowers
r/DrWillPowers2026-04-19T00:13:31Z
Dr Will Powers’ own statements and theorizing
Summary (paraphrased)
Replying to a post-letrozole case with PFS-identical symptoms (a Klinefelter patient), Powers frames PFS and PSSD as the same mechanism in different flavors — inborn metabolic error plus drug, with recovery blocked by an epigenetic glitch — and notes post-aromatase-inhibitor syndrome as a recognized parallel. From trawling genomes for epigenetic-regulation problems, he names recurring candidates: KDM6A (on the X chromosome — notable because males carry a single copy, so heterozygous disruption is possible), HDAC10, and ARID1A/B, while admitting uncertainty about their functional effects on histone demethylation.
Key points (paraphrased)
- PFS, PSSD and post-aromatase-inhibitor syndrome framed as one mechanism in different flavors.
- Recovery blocked by an epigenetic glitch, not just the metabolic error itself.
- Candidate stuck-genes from genome trawling: KDM6A (X-linked), HDAC10, ARID1A/B.
- KDM6A singled out: single copy in males makes heterozygous disruption consequential; functional effects admittedly uncertain.
- Cross-drug framing: a letrozole case presenting identically to PFS.
Why it’s in the corpus
New candidate genes for the epigenetic-persistence layer, with KDM6A as the most distinctive lead. It extends the model beyond finasteride/SSRIs to aromatase inhibitors, supporting the post-drug umbrella framing.
Context — the post Powers was replying toVerbatim third-party text, shown for context only — not Powers’ statement. Usernames removed.ShowHide
Powers' comment replies to [username removed], who described Klinefelter syndrome (47,XXY) with bilateral orchiectomy on testosterone replacement, developing the full PFS-identical symptom cluster — loss of sexual desire, mind-body dissociation, emotional blunting — persisting five years after six months of letrozole, and offered the case as potentially valuable for the research.
(Parent context recovered from the r.genit.al mirror on 2026-10-09; Powers' comment text itself is from John's user-provided export.)
Some fields on this page come from the release’s Markdown edition, which carries text the JSON edition omits.
Related records
- Video
Dr. Will Powers Interview [PFS / PAS / PSSD Summit 2026]
Dr. Will Powers · SIDEfxHUB - PFS & PSSD Patient Organisation · 21:27 (1287s)
PFS, PAS, PSSD mechanism theory; Powers' unifying model; vulnerability screening
ARARID1ACHD8HDAC10YT-iWFDBRTgT3g2026-04-29PFSPSSDPRSDCore corpus - Powers gene claim
ARID1A; CHD8; HDAC10 — recurring "glitches" (unspecified)
Confidence: interview
In whole-genome sequencing of ~100 PFS patients, glitches in epigenetic monitoring genes — ARID1A, CHD8, HDAC10 — appear "more than they should" statistically. Epigenetic flags (e.g., for AR upregulation) may fail to be removed after drug discontinuation.
ARARID1ACHD8HDAC10PGL-ARID1A-CHD8-HDAC102026-04-29PFSCore corpus - Powers · Reddit commentCurated Powers pick
Re: Questions regarding current PFS theory
u/drwillpowers · r/DrWillPowers
Answering questions about variable onset and post-cessation crashes, Powers gives three linked explanations. First, milder or slower onsets reflect fewer defects — it takes longer to reach threshold. Second, people who crash on quitting had upregulated…
ARID1ACHD4CHD5CHD6CHD7+3PRH-15012026-04-18T08:57:02ZPFSPowers Reddit history