INDEPENDENT ANTI-DOPING REFERENCE2026 · CHECKED 08 NOV 2027 PUBLISHED ↗
WADAFUK!?
Source-checked regulatory summary

Anti-activin receptor IIB antibodies.

S4
Regulatory coverage only

Checked 2026-11-10. Independent clinical review has not been completed. WADAFUK is independent of WADA and does not provide medical advice or an individual anti-doping determination.

Regulatory summary with limited context. A compound-specific science and safety review is still missing.

REGULATORY SUMMARY2026 LIST

Prohibited at all times

2026 S4.3: prohibited at all times. Non-Specified. [1]

S4.3 · 2026 rules apply from 1 January 2026. Any 2027 material below concerns future rules from 1 January 2027; it is not current clearance.

EVIDENCE / 01

Family entry

This entry represents a category of agents in the List, not one molecule, one product or a class-wide clinical approval. A named example does not exhaust the category. [1]

Limits of this evidence
  • No universal route, therapeutic indication, efficacy result or adverse-event rate can be assigned to this family.

What remains uncertain

  • Individual substances and products require their own identity, clinical-evidence and regulatory checks.
TRACEABILITY

Check the sources.

These are concise editorial paraphrases of selected sources, not a systematic review or a reproduction of source tables. Access depth is shown for each reference; an abstract-only check cannot resolve details found only in a full paper.

  1. WADA 2026 Prohibited List ↗Accessed 2026-11-10 · Relevant official full-text sections opened

    Printed pp. 3, 9–12: introduction, S3, S4 and S5 as applicable

Before acting on this information

Check the current official WADA List and the relevant anti-doping authority for your sport, product, route and circumstances. Do not stop or change necessary treatment based on this page. Ask a qualified clinician about health decisions. Missing evidence does not establish safety.

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