ID 8770 | Last Update 18.04.2026
The International Agency for Research on Cancer just released a new list of classification. It is strongly recommended to consult the complete Monographs on these agents, the publication date and the list of studies considered.
For definitions of these groups, please see the Preamble.
The Preamble to the IARC Monographs describes the objective and scope of the programme, the scientific principles and procedures used in developing a Monograph, the types of evidence considered and the scientific criteria that guide the evaluations. The Preamble should be consulted when reading a Monograph or list of evaluations.
It is strongly recommended to consult the complete Monographs on these agents, the publication date, and the list of studies considered. Significant new information might support a different classification.
For agents that have not been classified, no determination of non-carcinogenicity or overall safety should be inferred.
Table Last Update 18.04.2026
| Group | Name | n. agents May |
n. agents July |
n. agents July II |
n. agents Sept. |
n. agents Jan. |
n. agents June |
n. agents April |
n. agents April |
| Group 1 | Carcinogenic to humans | 121 | 126 | 126 | 127 | 128 | 129 | 133 | 135 |
| Group 2A | Probably carcinogenic to humans | 90 | 94 | 95 | 95 | 95 | 96 | 96 | 98 |
| Group 2B | Possibly carcinogenic to humans | 323 | 322 | 323 | 323 | 323 | 321 | 322 | 326 |
| Group 3 | Not classifiable as to its carcinogenicity to humans | 498 | 500 | 500 | 500 | 500 | 499 | 501 | 499 |
- List of Classifications by cancer site Vol. 1-141 April 2026 (PDF file)
- List of Classifications by cancer site Vol. 1-141 April 2026 (XLS file)
- List of Classifications by cancer site Vol. 1-138 April 2025 (PDF file)
- List of Classifications by cancer site Vol. 1-138 April 2025 (XLS file)
- List of Classifications by cancer site Vol. 1-136 June 2024 (PDF file)
- List of Classifications by cancer site Vol. 1-136 June 2024 (XLS file)
- List of Classifications by cancer site Vol. 1-135 January 2024 (PDF file)
- List of Classifications by cancer site Vol. 1-135 January 2024 (XLS file)
- List of Classifications by cancer site Vol. 1-134 September 2023 (PDF file)
- List of Classifications by cancer site Vol. 1-134 September 2023 (XLS file)
- List of Classifications by cancer site Vol. 1-134 July 2023 (PDF file)
- List of Classifications by cancer site Vol. 1-134 July 2023 (XLS file)
- List of Classifications by cancer site Vol. 1-133 July 2023 (PDF file)
- List of Classifications by cancer site Vol. 1-133 July 2023 (XLS file)
- List of Classifications by cancer site Vol. 1-133 May 2023 (PDF file)
- List of Classifications by cancer site Vol. 1-133 May 2023 (XLS file)
- List of Classifications by cancer site Vol. 1-132 July 2022 (PDF file)
- List of Classifications by cancer site Vol. 1-132 July 2022 (XLS file)
- List of Classifications by cancer site Vol. 1-131 April 2022 (PDF file)
- List of Classifications by cancer site Vol. 1-131 April 2022 (XLS file)
- List of Classifications by cancer site Vol. 1-130 March 2022 (PDF file)
- List of Classifications by cancer site Vol. 1-130 March 2022 (XLS file)
- List of Classifications by cancer site Vol. 1-130 November 2021 (PDF file)
- List of Classifications by cancer site Vol. 1-130 November 2021 (XLS file)
- List of Classifications by cancer site Vol. 1-129 November 2021 (PDF file)
- List of Classifications by cancer site Vol. 1-129 November 2021 (XLS file)
- List of Classifications by cancer site Vol. 1-128 November 2020 (PDF file)
- List of Classifications by cancer site Vol. 1-128 November 2020 (XLS file)
- List of Classifications by cancer site Vol. 1-124 July 2019 (PDF file)
- List of Classifications by cancer site Vol. 1-124 July 2019 (XLS file)
- Preventable Exposures Associated With Human Cancers (Cogliano et al., 2011)
IARC 2019/2026
| Rev. | Data | Oggetto | Autore |
| 2026 | 18.04.2026 | Volumes 1-141 | IARC |
| 2025 | 05.04.2025 | Volumes 1-138 | IARC |
| 2024 | 11.07.2024 | Volumes 1-136 | IARC |
| 2024 | 18.01.2024 | Volumes 1-135 | IARC |
| 2023 | 06.07.2023 | Volumes 1-134 | IARC |
| 2023 | 14.07.2023 | Volumes 1-134 | IARC |
| 2023 | 13.07.2023 | Volumes 1-133 | IARC |
| 2023 | 03.05.2023 | Volumes 1-133 | IARC |
| 2022 | 03.07.2022 | Volumes 1-132 | IARC |
| 2022 | 08.04.2022 | Volumes 1-131 | IARC |
| 2022 | 07.03.2022 | Volumes 1-130 | IARC |
| 2021 | 25.11.2021 | Volumes 1-130 | IARC |
| 2021 | 03.11.2021 | Volumes 1-129 | IARC |
| 2020 | 27.11.2020 | Volumes 1-128 | IARC |
| 2019 | 15.11.2019 | Volumes 1-124 | IARC |
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ID 17068 | Update 10.04.2026
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