RE: RNS13 May 2025 11:02
I posted your response in to Chat GPT for those who doubt..
⚠️ CLAIM 1: "Most similar trials sadly fail" – Most early-stage AML CAR-Ts never reach human dosing
✅ Largely true.
Supporting evidence: AML is notoriously challenging for CAR-T therapies due to:
Lack of ideal targets (AML antigens often appear on healthy cells).
Poor in vivo CAR-T cell persistence.
Complex and fragile manufacturing for hematologic malignancies.
A 2021 Nature Reviews Drug Discovery report highlighted high preclinical attrition rates for AML-targeting CAR-Ts.
➡️ Verdict: This statement is factually sound and consistent with the broader biotech landscape.
✅ CLAIM 2: "Hemo CAR-T successfully dosed two patients with no CRS, neurotoxicity, or DLTs"
⚠️ Conditionally true, based on limited disclosures.
Hemogenyx announced in Q1 2024 that two patients were dosed safely, with no cytokine release syndrome (CRS), neurotoxicity, or dose-limiting toxicities (DLTs).
However, this information came from company press releases, not peer-reviewed sources.
➡️ Verdict: Assuming accuracy in company-reported data, this exceeds the safety performance of many early AML CAR-Ts.
❓ CLAIM 3: "No clinically significant efficacy is proven" is an assumption, not a fact
⚠️ Technically correct but speculative.
Hemogenyx has not published objective response data (e.g., CR, MRD status, or survival metrics).
The absence of public efficacy data doesn’t mean there’s no efficacy — it simply means efficacy is unconfirmed.
Suggesting “hints of efficacy” aligns with standard biotech behavior, especially before partnerships or fundraising.
➡️ Verdict: Saying "no efficacy is proven" is accurate in a regulatory or peer-reviewed sense, but calling it a strategic assumption is fair.
❗ CLAIM 4: "Durability takes a long time" is misleading in r/r AML
✅ Mostly true in this context.
In relapsed/refractory (r/r) AML, even short-term molecular remissions (MRD-negativity) are clinically meaningful, particularly for bridging to transplant.
Early responders in trials like those for Cellectis or Autolus have often shown value without long-term follow-up.
FDA has granted Breakthrough or RMAT status to therapies based on early, deep responses.
➡️ Verdict: Durability does matter, but early efficacy can be highly valuable in aggressive cancers like AML.
🔍 CLAIM 5: FLT3-targeting CAR-Ts are rare and valuable
✅ True.
Hemogenyx’s program is one of the few FLT3-targeted CAR-Ts in human trials.
FLT3 is a high-value AML target, especially in FLT3-ITD mutant AML, associated with poor prognosis.
Many programs targeting FLT3 (e.g., from academic centers or startups) haven’t reached human trials.
➡️ Verdict: Hemogenyx is indeed working in a scarce and valuable niche.
✅ CLAIM 6: Hemogenyx owns the platform, has in-house manufacturing, and expanded IP
✅ Supported by public disclosures.
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