A61K 41/0061
5-aminolevulinic acid-based pdt: 5-ala-pdt involving porphyrins or precursors of protoporphyrins generated in
Official title: {5-aminolevulinic acid-based PDT: 5-ALA-PDT involving porphyrins or precursors of protoporphyrins generated in vivo from 5-ALA}
A61K41/0061 (5-aminolevulinic acid-based pdt: 5-ala-pdt involving porphyrins or precursors of protoporphyrins generated in) appears on 144 US grants and 268 published applications in this corpus.
Search patents in A61K- Granted patents
- 144
- Published applications
- 268
- Assignees
- 116
- Inventors
- 393
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 5 |
| 2003 | 2 | 11 |
| 2004 | 1 | 19 |
| 2005 | 3 | 6 |
| 2006 | 4 | 9 |
| 2007 | 6 | 8 |
| 2008 | 3 | 9 |
| 2009 | 2 | 5 |
| 2010 | 5 | 9 |
| 2011 | 1 | 9 |
| 2012 | 2 | 6 |
| 2013 | 6 | 8 |
| 2014 | 3 | 14 |
| 2015 | 5 | 17 |
| 2016 | 15 | 16 |
| 2017 | 7 | 7 |
| 2018 | 5 | 8 |
| 2019 | 8 | 11 |
| 2020 | 11 | 15 |
| 2021 | 7 | 11 |
| 2022 | 10 | 15 |
| 2023 | 10 | 15 |
| 2024 | 9 | 14 |
| 2025 | 4 | 10 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of using ultrasound waves for sonodynamic therapy22 Sep 2026US 12,741,161 B2Alpheus Medical, Inc.
- Methods for reducing pain during photodynamic therapy of actinic keratosis30 Jun 2026US 12,667,735 B2Sun Pharmaceutical Industries Limited
- Platinum-based drug-/photosensitizer-loaded protein nanoparticle, and preparation method therefor and application thereof7 Apr 2026US 12,594,335 B2Soochow University
- Methods for treating bladder tumors with viral nanoparticle conjugates and immune checkpoint inhibitors31 Mar 2026US 12,589,165 B2Aura Biosciences, Inc.
- Photodynamic therapy comprising two light exposures at different wavelengths10 Feb 2026US 12,544,443 B2Biofrontera Bioscience GmbH
- Nanoemulsion without propylene glycol2 Jul 2026US 2026/0183237 A1Biofrontera, Inc.
- Nanoemulsion without propylene glycol25 Jun 2026US 2026/0174691 A1Biofrontera, Inc.
- Photodynamic therapy illuminator devices and methods11 Jun 2026US 2026/0158144 A1Sun Pharmaceutical Industries Limited
- Pressurized nanoemulsion4 Jun 2026US 2026/0151486 A1Biofrontera Bioscience GmbH
- Photodynamic therapy comprising two light exposures at different wavelengths4 Jun 2026US 2026/0151487 A1Biofrontera Bioscience GmbH
Most cited
By later US patents
- Methods and pharmaceutical compositions for the closure of retinal breaks91US 6,149,931 ACalifornia Institute of Technology · 2000
- Photodynamic treatment of targeted cells84US 7,018,395 B2Light Sciences Corporation · 2006
- Photochemotherapeutic method using 5-aminolevulinic acid and other precursors of endogenous porphyrins83US 5,955,490 AQueen's University at Kingston · 1999
- Topical aminolevulinic acid-photodynamic therapy for the treatment of acne vulgaris83US 6,897,238 B2The General Hospital Corporation · 2005
- Targeted transcutaneous cancer therapy80US 6,602,274 B1Light Sciences Corporation · 2003