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16 September 2026 editorial review · Item

Repeat BCG vaccination: review notes

These notes document the scope actually reviewed, including source-access limits. They are not independent clinical certification or a guarantee that every claim was verified.

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Preventing and curing evidence review — 16 September 2026

  • Disposition: reviewed; no confirmed content change. Current item lastReviewed: 2026-08-27.
  • Claim check: Adult and pediatric BCG studies remain in follow-up, with estimated primary completion in 2029 and 2031. The review literature remains conflicting, not new randomized confirmation. No approved T1D indication or efficacy upgrade was established.
  • Registry NCT02081326: ACTIVE_NOT_RECRUITING; updated 2026-04-13; enrollment 150 (ESTIMATED); primary completion 2029-07 (ESTIMATED); results not posted in retrieved record.
  • Registry NCT05180591: ACTIVE_NOT_RECRUITING; updated 2026-06-26; enrollment 150 (ESTIMATED); primary completion 2031-03 (ESTIMATED); results not posted in retrieved record.
  • Primary publication/regulatory sources checked or consulted: j.prp.2026.156592; j.prp.2026.156592.

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