Related Experiment Video

Updated: Jan 25, 2026

An In Vitro Approach to Photodynamic Therapy
04:53

An In Vitro Approach to Photodynamic Therapy

Published on: August 17, 2018

9.3K

Photodynamic therapy and neoplastic disease

D Kessel1

  • 1Department of Pharmacology, Wayne State University, Detroit, MI 48201.

Oncology Research
|January 1, 1992
PubMed

Insights

Photodynamic therapy uses light-sensitizing drugs to target and destroy cancer cells, offering a new treatment for early-stage tumors. Research is ongoing to improve drug delivery and minimize side effects like skin sensitivity.

Area of Science:

  • Oncology
  • Photochemistry

Background:

  • Photodynamic therapy (PDT) is an emerging treatment for neoplastic lesions.
  • It involves selective photosensitization for tumor eradication and palliation.

Purpose of the Study:

  • To review the current understanding of PDT, including photodamage mechanisms and clinical applications.
  • To discuss the development of new photosensitizers with improved efficacy and reduced side effects.
  • To explore the unresolved mechanisms of photosensitizer localization in tumors.

Main Methods:

  • Review of existing literature on PDT mechanisms, clinical data, and sensitizer development.
  • Analysis of the properties of Photofrin, a common photosensitizing agent.

Main Results:

  • PDT is a viable modality for early tumor eradication and palliation of advanced disease.
  • New photosensitizers are being developed to enhance photodynamic effects and reduce skin photosensitization.
  • The precise mechanism of selective photosensitizer localization in neoplastic tissue requires further investigation.

Conclusions:

  • PDT is a promising therapeutic approach with evolving applications.
  • Further research into photosensitizer mechanisms and development is crucial for optimizing PDT.
  • Understanding photosensitizer localization is key to improving treatment selectivity and efficacy.

More Related Videos

Anticancer Efficacy of Photodynamic Therapy with Lung Cancer-Targeted Nanoparticles08:03

Anticancer Efficacy of Photodynamic Therapy with Lung Cancer-Targeted Nanoparticles

Published on: December 1, 2016

9.5K
Photodynamic Therapy with Blended Conducting Polymer/Fullerene Nanoparticle Photosensitizers09:45

Photodynamic Therapy with Blended Conducting Polymer/Fullerene Nanoparticle Photosensitizers

Published on: October 28, 2015

8.9K

Related Concept Videos

Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
27.4K
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
663
Group Therapy01:26

Group Therapy

Group therapy is a sociocultural approach to psychological treatment, where individuals with shared psychological challenges come together under the guidance of a mental health professional. This therapeutic modality offers unique opportunities for individuals to connect, share, and grow within the context of a supportive group. By fostering mutual understanding and collaboration, group therapy can address a range of psychological concerns effectively, often complementing or surpassing the...
403
Psychodynamic Therapy01:29

Psychodynamic Therapy

Psychodynamic therapies emphasize the exploration of unconscious processes and early childhood experiences as fundamental contributors to psychological difficulties. These therapies, deeply rooted in Freud's psychoanalytic theory, aim to uncover and resolve unconscious conflicts, granting individuals insights that promote emotional and behavioral healing. Contemporary psychodynamic approaches have evolved, integrating a broader range of influences and methodologies while still valuing the...
544
Humanistic Therapy01:24

Humanistic Therapy

Humanistic therapies emphasize personal growth, self-understanding, and the fulfillment of human potential. Rooted in the belief that individuals inherently strive toward self-actualization, these approaches encourage clients to explore their feelings and experiences in a supportive, nonjudgmental environment. Humanistic therapies differ from psychodynamic approaches by focusing on conscious experiences, present circumstances, and the potential for self-improvement rather than past conflicts...
342
Modeling in Therapy01:26

Modeling in Therapy

Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
409