PapersFlow Research Brief
Photodynamic Therapy Research Studies
Research Guide
What is Photodynamic Therapy Research Studies?
Photodynamic Therapy Research Studies are investigations into the application of photodynamic therapy (PDT), a treatment involving photosensitizing agents activated by light to produce cytotoxic reactive oxygen species for cancer treatment and antimicrobial effects.
Photodynamic Therapy Research Studies encompass 47,198 papers on PDT mechanisms, clinical applications in oncology and microbiology, and topics including photosensitizers, singlet oxygen, nanoparticles, tumor imaging, cell death pathways, and reactive oxygen species. Dolmans et al. (2003) in "Photodynamic therapy for cancer" reviewed PDT's selective destruction of malignant cells via light-activated photosensitizers, earning 6575 citations. Agostinis et al. (2011) in "Photodynamic therapy of cancer: An update" described PDT as a minimally invasive procedure with selective cytotoxic activity toward malignant cells, cited 5032 times.
Topic Hierarchy
Research Sub-Topics
Photosensitizers in Photodynamic Therapy
This sub-topic reviews porphyrin, chlorin, and phthalocyanine derivatives for PDT, focusing on photophysical properties, synthesis, and tumor selectivity. Researchers optimize quantum yields and bioavailability.
Singlet Oxygen in Photodynamic Mechanisms
This sub-topic elucidates Type II photochemistry, ROS generation, and subcellular targeting using time-resolved spectroscopy and dosimetry. Researchers model oxygen quenching and photobleaching kinetics.
Nanoparticle-Enhanced Photodynamic Therapy
This sub-topic explores liposomes, gold nanoparticles, and upconversion particles for photosensitizer delivery and image-guided PDT. Researchers address tumor penetration and multifunctionality.
Antimicrobial Photodynamic Therapy
This sub-topic covers aPDT against bacteria, fungi, and viruses using cationic photosensitizers for biofilm disruption and wound infections. Researchers evaluate resistance prevention and clinical translation.
Clinical Applications of Photodynamic Therapy in Oncology
This sub-topic reports randomized trials and meta-analyses of PDT for skin, lung, esophageal, and bladder cancers using Photofrin and Foscan. Researchers assess survival outcomes and recurrence rates.
Why It Matters
Photodynamic Therapy Research Studies support clinical applications in cancer treatment, such as selective cytotoxicity against malignant cells using photosensitizing agents activated by specific wavelengths, as detailed in "Photodynamic therapy of cancer: An update" by Agostinis et al. (2011). Dougherty et al. (1998) in "Photodynamic Therapy" outlined tumor-localizing agents leading to photochemical processes that induce cell death, applied in oncology with 4599 citations. Lucky et al. (2015) in "Nanoparticles in Photodynamic Therapy" demonstrated nanoparticles enhancing PDT delivery, improving efficacy in solid tumors with 2823 citations. Castaño et al. (2006) in "Photodynamic therapy and anti-tumour immunity" showed PDT stimulating anti-tumor immunity, offering benefits for localized infections and immunotherapy combinations.
Reading Guide
Where to Start
"Photodynamic therapy for cancer" by Dolmans et al. (2003) as it provides a foundational review of PDT principles and cancer applications, serving as an accessible entry with 6575 citations.
Key Papers Explained
Dolmans et al. (2003) in "Photodynamic therapy for cancer" establishes core PDT mechanisms for oncology, which Agostinis et al. (2011) in "Photodynamic therapy of cancer: An update" builds upon with clinical updates and selective cytotoxicity details. Dougherty et al. (1998) in "Photodynamic Therapy" details photosensitizer activation and photobiologic processes, foundational to Gomer (1988) in "Photodynamic Therapy" and extended by Lucky et al. (2015) in "Nanoparticles in Photodynamic Therapy" for delivery innovations. Castaño et al. (2006) in "Photodynamic therapy and anti-tumour immunity" connects PDT to immune responses, advancing earlier works.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current frontiers emphasize nanoparticle-enhanced delivery and photothermal combinations for deeper tissue penetration, as in Li et al. (2020) "Clinical development and potential of photothermal and photodynamic therapies for cancer". Near-infrared imaging improvements from Hong et al. (2017) "Near-infrared fluorophores for biomedical imaging" support real-time tumor monitoring in PDT.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Photodynamic therapy for cancer | 2003 | Nature reviews. Cancer | 6.6K | ✕ |
| 2 | Photodynamic therapy of cancer: An update | 2011 | CA A Cancer Journal fo... | 5.0K | ✓ |
| 3 | Photodynamic Therapy | 1998 | JNCI Journal of the Na... | 4.6K | ✓ |
| 4 | Photodynamic Therapy | 1988 | — | 4.2K | ✕ |
| 5 | Clinical development and potential of photothermal and photody... | 2020 | Nature Reviews Clinica... | 3.2K | ✕ |
| 6 | Photosensitized singlet oxygen and its applications | 2002 | Coordination Chemistry... | 2.8K | ✕ |
| 7 | Nanoparticles in Photodynamic Therapy | 2015 | Chemical Reviews | 2.8K | ✕ |
| 8 | Near-infrared fluorophores for biomedical imaging | 2017 | Nature Biomedical Engi... | 2.8K | ✕ |
| 9 | Photodynamic therapy and anti-tumour immunity | 2006 | Nature reviews. Cancer | 2.6K | ✓ |
| 10 | HOW DOES PHOTODYNAMIC THERAPY WORK? | 1992 | Photochemistry and Pho... | 2.3K | ✕ |
Frequently Asked Questions
What is photodynamic therapy?
Photodynamic therapy involves administration of a tumor-localizing photosensitizing agent followed by activation by light of a specific wavelength, resulting in photochemical and photobiologic processes that lead to cell death. Dougherty et al. (1998) in "Photodynamic Therapy" describe this sequence for cancer treatment. The process generates reactive oxygen species like singlet oxygen for selective cytotoxicity.
How does photodynamic therapy work?
Photodynamic therapy works by administering a photosensitizer, which localizes in target cells, then irradiating at a matching wavelength to produce singlet oxygen and reactive oxygen species causing cell death. Henderson and Dougherty (1992) in "HOW DOES PHOTODYNAMIC THERAPY WORK?" explain the mechanism, cited 2349 times. DeRosa (2002) in "Photosensitized singlet oxygen and its applications" details singlet oxygen's role, with 2841 citations.
What are clinical applications of photodynamic therapy?
Clinical applications of photodynamic therapy include cancer treatment and antimicrobial effects against localized infections. Agostinis et al. (2011) in "Photodynamic therapy of cancer: An update" highlight its use as a minimally invasive therapy for malignant cells. Dolmans et al. (2003) in "Photodynamic therapy for cancer" cover oncology applications.
What role do nanoparticles play in photodynamic therapy?
Nanoparticles in photodynamic therapy improve photosensitizer delivery, enhance tumor targeting, and overcome limitations like poor solubility. Lucky et al. (2015) in "Nanoparticles in Photodynamic Therapy" review these advancements for cancer treatment, cited 2823 times. They enable better penetration in solid tumors.
How does photodynamic therapy induce anti-tumor immunity?
Photodynamic therapy induces anti-tumor immunity by releasing tumor antigens and stimulating immune responses alongside direct cytotoxicity. Castaño et al. (2006) in "Photodynamic therapy and anti-tumour immunity" demonstrate this effect, cited 2617 times. It combines PDT with immunotherapy for enhanced outcomes.
What are key photosensitizers in photodynamic therapy research?
Key photosensitizers in photodynamic therapy research are agents that absorb light to generate singlet oxygen, such as those requiring metabolic synthesis as prodrugs. Dougherty et al. (1998) in "Photodynamic Therapy" discuss tumor-localizing examples. Gomer (1988) in "Photodynamic Therapy" covers foundational agents, cited 4190 times.
Open Research Questions
- ? How can photosensitizer delivery be optimized for deeper tumor penetration beyond current light limitations?
- ? What are the precise cell death pathways triggered by singlet oxygen in different cancer types?
- ? How do nanoparticles interact with reactive oxygen species to maximize PDT efficacy while minimizing off-target effects?
- ? Which combinations of PDT with immunotherapy best enhance anti-tumor immunity in clinical settings?
- ? What improvements in near-infrared fluorophores enable better tumor imaging during PDT?
Recent Trends
Photodynamic Therapy Research Studies show a large corpus of 47,198 works, though 5-year growth data is unavailable; high citation classics like Dolmans et al. at 6575 citations indicate sustained interest in core mechanisms, with recent reviews like Li et al. (2020) gaining 3177 citations on photothermal-PDT hybrids.
2003No preprints or news from the last 12 months reported.
Research Photodynamic Therapy Research Studies with AI
PapersFlow provides specialized AI tools for Medicine researchers. Here are the most relevant for this topic:
Systematic Review
AI-powered evidence synthesis with documented search strategies
AI Literature Review
Automate paper discovery and synthesis across 474M+ papers
Find Disagreement
Discover conflicting findings and counter-evidence
Paper Summarizer
Get structured summaries of any paper in seconds
See how researchers in Health & Medicine use PapersFlow
Field-specific workflows, example queries, and use cases.
Start Researching Photodynamic Therapy Research Studies with AI
Search 474M+ papers, run AI-powered literature reviews, and write with integrated citations — all in one workspace.
See how PapersFlow works for Medicine researchers