A61K 41/0057
Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen
Official title: {Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen species upon exposure to light or radiation, e.g. UV or visible light; photocleavage of nucleic acids with an agent}
A61K41/0057 (Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen) appears on 1,417 US grants and 1,982 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,417
- Published applications
- 1,982
- Assignees
- 868
- Inventors
- 3,435
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 21 | 0 |
| 1993 | 21 | 0 |
| 1994 | 16 | 0 |
| 1995 | 23 | 0 |
| 1996 | 35 | 0 |
| 1997 | 31 | 0 |
| 1998 | 46 | 0 |
| 1999 | 46 | 0 |
| 2000 | 38 | 0 |
| 2001 | 27 | 14 |
| 2002 | 30 | 70 |
| 2003 | 36 | 88 |
| 2004 | 27 | 78 |
| 2005 | 25 | 55 |
| 2006 | 33 | 57 |
| 2007 | 24 | 44 |
| 2008 | 22 | 54 |
| 2009 | 22 | 62 |
| 2010 | 31 | 56 |
| 2011 | 17 | 61 |
| 2012 | 34 | 69 |
| 2013 | 38 | 66 |
| 2014 | 52 | 92 |
| 2015 | 51 | 96 |
| 2016 | 74 | 103 |
| 2017 | 68 | 100 |
| 2018 | 48 | 87 |
| 2019 | 72 | 119 |
| 2020 | 64 | 100 |
| 2021 | 68 | 94 |
| 2022 | 54 | 125 |
| 2023 | 51 | 82 |
| 2024 | 60 | 81 |
| 2025 | 46 | 71 |
| 2026 | 39 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 41/0071Pdt with porphyrins having exactly 20 ring atoms, i.e. based on the560
- A61K 41/00615-aminolevulinic acid-based pdt: 5-ala-pdt involving porphyrins or precursors of protoporphyrins generated in144
- A61K 41/0066Psoralene-activated uv-a photochemotherapy117
- A61K 41/0076Pdt with expanded porphyrins, i.e. having more than 20 ring atoms111
- A61K 41/008Two-photon or multi-photon pdt69
Recent patents
- Methods of using ultrasound waves for sonodynamic therapy22 Sep 2026US 12,741,161 B2Alpheus Medical, Inc.
- Dosimetry system for photodynamic anitmicrobial therapy device of infectious keratitis8 Sep 2026US 12,727,761 B2University of Miami
- Methods for treating cancer using x-ray-induced near infrared photoimmunotherapy8 Sep 2026US 12,728,164 B2The United States of America, as represented by the Secretary, Department of Health and Human Services
- Enteroendocrine cell-targeting polymer substance conjugated with photosensitizer, and medical use thereof for ameliorating metabolic disease11 Aug 2026US 12,702,712 B2The Catholic University of Korea Industry-Academic Cooperation Foundation
- Energy augmentation structures for use with energy emitters and collectors11 Aug 2026US 12,702,861 B2Immunolight, LLC
- Aqueous formulations comprising fullerene, structured water, dissolved hydrogen gas, minerals and additives8 Oct 2026US 2026/0306402 A1Best Planet Science LLC
- Nanoparticles for photoimmune therapy comprising photosensitizer and adjuvant, and usage thereof8 Oct 2026US 2026/0306632 A1Korea Institute of Science and Technology
- A combination therapy for cancer treatment8 Oct 2026US 2026/0306633 A1Purdue Research Foundation
- Benzoporphyrin analogs, conjugates, and methods of use thereof1 Oct 2026US 2026/0295049 A1
- Photoactivatable nanoparticles and uses thereof as agents for immunotherapy combinations1 Oct 2026US 2026/0295050 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- Method of expanded porphyrin-oligonucleotide conjugate synthesis325US 5,565,552 ABoard of Regents, Univ. of Texas Sys. · 1996
- Texaphyrin-oligonucleotide conjugates308US 5,587,371 ABoard of Trustees, Univ. of TX Sys. · 1996
- Antibody-therapeutic agent conjugates288US 4,867,973 ACytogen Corporation · 1989
- Targeting of sebaceous follicles as a treatment of sebaceous gland disorders285US 6,183,773 B2The General Hospital Corporation · 2001
- Low intensity light therapy for the manipulation of fibroblast, and fibroblast-derived mammalian cells and collagen267US 6,676,655 B2Light BioScience, LLC · 2004