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Review ArticleReview
Open Access

Slow-release L-cysteine Lozenges in Smoking Cessation: Meta-analysis of Two Randomized Controlled Trials

Kari Syrjänen and Osmo Suovaniemi
In Vivo January 2026, 40 (1) 39-49; DOI: https://doi.org/10.21873/invivo.14171
Kari Syrjänen
1Department of Clinical Research, Biohit Oyj, Helsinki, Finland;
2SMW Consultants Ltd, Kaarina, Finland
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  • For correspondence: kasyrja{at}saunalahti.fi
Osmo Suovaniemi
1Department of Clinical Research, Biohit Oyj, Helsinki, Finland;
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Article Information

vol. 40 no. 1 39-49
DOI 
https://doi.org/10.21873/invivo.14171
PMID 
41482382

Published By 
International Institute of Anticancer Research
Print ISSN 
0258-851X
Online ISSN 
1791-7549
History 
  • Received October 27, 2025
  • Revision received November 13, 2025
  • Accepted November 17, 2025
  • Published online January 2, 2026.

Copyright & License 
Copyright © 2026 The Author(s). Published by the International Institute of Anticancer Research. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY-NC-ND) 4.0 international license (https://creativecommons.org/licenses/by-nc-nd/4.0).

Author Information

  1. Kari Syrjänen1,2⇑ and
  2. Osmo Suovaniemi1
  1. 1Department of Clinical Research, Biohit Oyj, Helsinki, Finland;
  2. 2SMW Consultants Ltd, Kaarina, Finland
  1. Prof. Kari Syrjänen, SMW Consultants Ltd., Kylliäisentie 9, FIN-21620 Kuusisto, Finland. Tel: +358 405566810, e-mail: kasyrja{at}saunalahti.fi
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In Vivo: 40 (1)
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Slow-release L-cysteine Lozenges in Smoking Cessation: Meta-analysis of Two Randomized Controlled Trials
Kari Syrjänen, Osmo Suovaniemi
In Vivo Jan 2026, 40 (1) 39-49; DOI: 10.21873/invivo.14171

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Slow-release L-cysteine Lozenges in Smoking Cessation: Meta-analysis of Two Randomized Controlled Trials
Kari Syrjänen, Osmo Suovaniemi
In Vivo Jan 2026, 40 (1) 39-49; DOI: 10.21873/invivo.14171
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Keywords

  • Smoking intervention
  • slow-release L-cysteine
  • lozenge
  • randomized controlled trial
  • meta-analysis
  • review
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