Report Description Table of Contents Introduction And Strategic Context The Global Cancer Photodynamic Therapy (PDT) Market is projected to grow at a CAGR of 8.9%, valued at USD 1.5 billion in 2024, and expected to reach USD 2.7 billion by 2030, according to Strategic Market Research. Photodynamic therapy (PDT) is a targeted, minimally invasive cancer treatment that uses photosensitizing drugs combined with specific light wavelengths to destroy malignant cells. Unlike chemotherapy or radiotherapy, PDT offers high precision with fewer systemic side effects, making it particularly relevant in cancers where quality of life and organ preservation are critical — such as lung, esophageal, bladder, and skin cancers. Between 2024 and 2030, PDT is gaining strategic importance due to several converging forces. Rising global cancer prevalence, the surge in early-stage cancer detection, and patients demanding less toxic alternatives are reshaping oncology treatment frameworks. Clinically, PDT is moving from niche use in dermatology and head-and-neck oncology into broader applications — including combination regimens with immunotherapy and nanomedicine-enabled drug delivery. Policy momentum is also in play. Governments in North America, Europe, and Asia are investing in non-invasive oncology techniques to ease healthcare system burden. The FDA and EMA have already approved multiple PDT drugs (e.g., porfimer sodium), while newer next-generation photosensitizers are entering clinical trials with higher tissue penetration and improved safety. From a stakeholder perspective, the map is diverse. Biotech firms are developing novel photosensitizers and light-delivery systems. Hospitals and cancer centers are piloting PDT alongside checkpoint inhibitors. Investors are increasingly treating PDT as a scalable oncology niche with recurring treatment cycles. And public health agencies are highlighting PDT’s lower infrastructure needs compared to advanced radiotherapy. To be honest, PDT has long been seen as a “supportive” therapy. But that’s shifting fast. With nanotechnology-enabled targeting, immune-boosting effects, and deeper tissue penetration, photodynamic therapy is moving from experimental adjunct to a recognized pillar in modern oncology. Market Segmentation And Forecast Scope The cancer photodynamic therapy (PDT) market is segmented across product type, cancer application, end user, and region. Each layer of segmentation reflects how healthcare providers, researchers, and manufacturers are positioning PDT as a complementary or standalone oncology treatment. By Product Type Photosensitizing Agents: The backbone of PDT, these drugs accumulate in cancerous tissue and are activated by specific wavelengths of light. First-generation agents like porfimer sodium remain in clinical use, but newer compounds are offering improved tumor selectivity, faster clearance, and deeper tissue penetration. In 2024, drug formulations account for over 60% of market share, supported by expanding trials in lung and gastrointestinal cancers. Light Delivery Systems: This includes fiber-optic catheters, LED-based platforms, and laser units that activate photosensitizers in or near tumors. While traditionally used in hospital settings, innovation is pushing these systems into outpatient and even wearable configurations. LED and portable laser systems are gaining ground in dermatology and bladder cancer treatment, especially in resource-constrained settings. Outlook: Photosensitizers dominate the market in value, but the light delivery segment is growing faster due to device innovation enabling access to internal cancers and outpatient care pathways. By Cancer Application Skin Cancer: Historically the largest application area due to the superficial nature of the disease and ease of light penetration. In 2024, this segment represents ~28% of global PDT use, especially in actinic keratosis and basal cell carcinoma. Lung & Esophageal Cancers: Rapidly growing segments thanks to advancements in fiber-optic and endoscopic light delivery systems. PDT is increasingly used in early-stage non-small cell lung cancer (NSCLC) and esophageal carcinoma for patients unfit for surgery. Bladder Cancer: A high-potential area for PDT, particularly in non-muscle-invasive bladder cancer (NMIBC). PDT is being piloted as a recurrence-prevention strategy post-transurethral resection. Head & Neck Cancers: Used selectively, especially in early-stage lesions or as salvage therapy. Emerging drug-device combinations are enabling greater uptake in ENT oncology. Other Indications: Includes glioblastoma, pancreatic cancer, and prostate cancer—mostly in early clinical stages, but bolstered by nanomedicine and targeted delivery trials. Outlook: As new light systems and photosensitizers improve treatment precision, internal cancers like lung and bladder are projected to surpass skin cancer in growth rate between 2024 and 2030. By End User Hospitals: The largest end-user group, accounting for the majority of PDT procedures due to integrated oncology departments and multidisciplinary care capabilities. Hospitals often serve as early adopters for novel photosensitizers and combination protocols. Cancer Specialty Centers: Highly focused on oncology, these centers are increasingly positioning PDT as part of a minimally invasive treatment portfolio, especially in immunotherapy or recurrence-prevention regimens. Ambulatory Surgical Centers (ASCs): Gaining ground in outpatient settings, particularly in dermatology and urology. ASCs offer efficient, lower-cost care and are attractive for PDT procedures with short recovery time. Research Institutes: Though not traditional end users, research centers play a crucial role in developing and testing new PDT drugs, delivery devices, and therapy combinations. Their early clinical results heavily influence broader market adoption. Outlook: While hospitals remain dominant, ASCs and cancer specialty centers are the fastest-growing channels, driven by outpatient-focused healthcare models and growing comfort with PDT protocols. By Region North America: The largest and most established market, led by the U.S. with multiple FDA-approved photosensitizers and robust clinical trial infrastructure. Adoption is concentrated in academic medical centers and large hospitals. Europe: A close second, with strong support from national health systems and EMA-approved drugs. Countries like Germany, France, and the UK lead in dermatology and head & neck applications. Reimbursement varies by country but is generally favorable for PDT in approved indications. Asia Pacific: The fastest-growing regional market through 2030. Rising cancer rates in China and India, coupled with expanding healthcare access and domestic innovation, are fueling PDT trials. Japan and South Korea are leaders in nanotechnology-driven photosensitizer development. Latin America, Middle East, and Africa (LAMEA): An emerging region with selective adoption. Brazil, Saudi Arabia, and South Africa are investing in public cancer programs that include PDT. Limited infrastructure and reimbursement currently constrain broader uptake, but mobile/portable systems may expand reach over time. Outlook: Asia Pacific is set to become the second-largest PDT market by 2030, propelled by low-cost manufacturing, public investment, and high unmet oncology needs. Scope Note: While PDT is often segmented clinically by cancer site, it is also increasingly segmented commercially. Drug-device combination offerings and bundled reimbursement models are emerging, where photosensitizers and light systems are marketed together as integrated treatment platforms. Market Trends And Innovation Landscape The cancer photodynamic therapy (PDT) market is moving into a new phase where innovation is less about incremental improvements and more about redefining how PDT is delivered and combined with other therapies. Between 2024 and 2030, several technology and clinical trends are reshaping the adoption curve. Advancements in Photosensitizers First-generation agents like porfimer sodium were limited by long photosensitivity and shallow tissue penetration. Today, researchers are developing second- and third-generation photosensitizers with stronger tumor selectivity, faster clearance from healthy tissues, and deeper light absorption. Some newer agents are being engineered to activate under near-infrared light, allowing treatment of tumors located deeper than skin and superficial mucosa. Oncologists note that these advances may finally make PDT viable in solid tumors beyond the skin and bladder. Integration with Immuno-Oncology A major shift is the combination of PDT with immunotherapy. Preclinical and early clinical trials suggest that PDT not only kills tumor cells but also stimulates anti- tumor immunity by releasing cancer-specific antigens. This synergy is drawing attention from biotech firms and academic centers that see PDT as a potential immune primer in checkpoint inhibitor therapy. Nanotechnology and Targeted Delivery Nanocarriers are being used to encapsulate photosensitizers, improving their delivery to tumors and reducing off-target effects. Liposomes, polymeric nanoparticles, and antibody-drug conjugates are in development to improve precision. Several companies are also working on dual-function nanocarriers that combine drug delivery with real-time imaging, bridging diagnostics and therapy. Light Delivery Innovations Fiber optics and interstitial light-delivery systems are becoming more refined, enabling clinicians to reach tumors in lung, esophagus, and bladder with higher precision. LED-based systems are gaining interest for outpatient use due to their portability and lower cost. There is also rising interest in wearable and implantable light sources that can extend illumination time without keeping patients in hospital settings. Artificial Intelligence in PDT Planning AI-driven planning tools are being introduced to simulate light distribution in tumors and optimize treatment parameters. These tools reduce the risk of under- or over-treatment and are expected to play a bigger role as PDT is applied to complex tumor geometries. Collaborative Research and Industry Partnerships Partnerships are accelerating. Biopharmaceutical companies are teaming up with device manufacturers to co-develop photosensitizer–light system combinations. Academic institutions in Europe and Asia are working closely with startups to validate new photosensitizers in niche cancer indications like glioblastoma and pancreatic cancer. Bottom line: PDT is no longer positioned as a last-resort alternative. It is entering mainstream oncology conversations, not only because it preserves function and reduces toxicity, but also because it complements the immune and molecular strategies shaping the future of cancer care. Competitive Intelligence And Benchmarking The cancer photodynamic therapy (PDT) market brings together pharmaceutical innovators, device manufacturers, and academic-driven startups. Unlike radiation or chemotherapy, where market leaders are well established, PDT is still evolving with a mix of niche specialists and larger oncology players exploring adjacent opportunities. Pinnacle Biologics A recognized name in PDT, Pinnacle Biologics markets porfimer sodium, one of the earliest FDA-approved photosensitizers. The company has built expertise around regulatory compliance and clinical support, particularly in esophageal and lung cancers. Their strength lies in leveraging existing approvals while exploring broader use cases in gastrointestinal oncology. Biofrontera AG This German company is well known for its dermatology-focused PDT platforms. It has developed drug-device combinations for actinic keratosis and skin cancer. While not traditionally centered on systemic oncology, its market presence demonstrates how PDT can scale effectively in outpatient dermatology settings. Steba Biotech Based in Luxembourg, Steba Biotech has concentrated on urological oncology. Its lead asset has been developed for early-stage prostate cancer, where PDT offers a minimally invasive alternative to radical surgery. The company’s approach highlights how targeted PDT can reduce morbidity in cancers with high recurrence but lower aggressiveness. Modulight Corporation A device-focused company from Finland, Modulight designs medical lasers and light delivery systems for PDT. It partners with biopharma firms to integrate lasers with drug regimens, focusing on precision and reliability. Modulight’s ability to tailor laser platforms for different cancer sites makes it a critical enabler in the PDT ecosystem. Lumibird Medical This France-based optical technology player is expanding into oncology by adapting its laser systems for PDT applications. With strong roots in medical lasers, Lumibird is well-positioned to compete in device innovation, particularly in regions with expanding hospital infrastructure. Other Emerging Players Several biotech startups are moving into PDT by focusing on novel photosensitizers, such as near-infrared activated compounds and nanocarrier-based drugs. Academic spin-offs in North America and Asia are playing a visible role here, often targeting cancers like glioblastoma or pancreatic tumors where traditional PDT has struggled. Competitive Dynamics at a Glance Established firms like Pinnacle Biologics dominate with approved drugs in narrow indications. Mid-tier companies like Steba Biotech and Biofrontera are expanding PDT into urology and dermatology. Device manufacturers such as Modulight and Lumibird ensure that drug-device integration continues to evolve. Startups and research-led players are pushing the frontier into immune-oncology combinations and nanomedicine-enabled PDT. To be candid, this market isn’t about sheer scale yet — it’s about proof of clinical relevance. The companies that succeed will be those that not only demonstrate PDT’s ability to control cancer but also prove its cost-effectiveness compared to surgery, radiotherapy, and systemic drugs. Regional Landscape And Adoption Outlook The adoption of cancer photodynamic therapy (PDT) varies widely across regions, shaped by healthcare infrastructure, regulatory approvals, and cultural preferences in oncology treatment. While North America and Europe remain at the forefront, Asia Pacific is quickly emerging as the growth engine, and other regions are showing selective but promising uptake. North America The United States leads global PDT adoption, supported by FDA-approved drugs and well-established cancer centers. Teaching hospitals and research institutions have integrated PDT into protocols for lung, esophageal, and bladder cancers, often in tandem with clinical trials for combination therapies. Insurance coverage remains selective, but programs for skin cancer and specific indications encourage uptake. Canada mirrors the U.S. in clinical practice but is slower in terms of patient access outside major urban centers. The region as a whole benefits from strong academic–industry collaborations and steady investment in minimally invasive oncology. Europe Europe represents the second-largest market, anchored by EMA approvals and country-level reimbursement frameworks. Germany, the UK, and France are leaders in adoption, particularly in dermatological and head-and-neck oncology. The presence of firms like Biofrontera and Steba Biotech reinforces Europe’s standing as a hub for PDT development. EU-backed research projects also encourage academic hospitals to trial advanced photosensitizers and novel light delivery devices. Eastern Europe, however, lags in adoption, largely due to limited access to drug-device combinations and slower regulatory clearance. Asia Pacific This region is expected to record the fastest CAGR through 2030. Rising cancer incidence in China and India, coupled with expanding oncology infrastructure, is driving demand for less invasive therapies. Japan and South Korea are also investing heavily in precision oncology and nanomedicine-based PDT trials. China has seen several domestic biotech firms enter the PDT pipeline, with government support for innovative therapies enhancing local manufacturing capacity. Cost-effective device solutions, often from regional players, are enabling broader hospital adoption, even in secondary cities. Latin America, Middle East, and Africa (LAMEA) This region is still in the early stages of PDT adoption, but momentum is visible. In Latin America, Brazil and Mexico are piloting PDT in dermatology and urology, supported by public health initiatives. The Middle East, particularly Saudi Arabia and the UAE, is making long-term investments in comprehensive cancer centers, where PDT is increasingly evaluated as part of multi-modality treatment. Africa remains underpenetrated, with most applications limited to academic hospitals or NGO-supported programs. However, portable light systems and lower-cost photosensitizers could accelerate adoption over time. Key Regional Dynamics North America and Europe are innovation leaders, with academic–industry partnerships accelerating approvals. Asia Pacific is becoming the growth center, driven by cancer prevalence and rapid health system modernization. LAMEA is at a frontier stage, where affordability, training, and public-private partnerships will determine the pace of uptake. The takeaway is straightforward: while PDT’s innovation pipeline is global, its real-world impact depends heavily on local infrastructure, reimbursement frameworks, and clinician familiarity. Markets that integrate PDT into broader cancer-care pathways early will shape its evolution from niche therapy to mainstream oncology option. End-User Dynamics And Use Case End users of cancer photodynamic therapy (PDT) range from large tertiary hospitals to specialized oncology centers and outpatient facilities. Each category has distinct motivations for adopting PDT, tied to infrastructure capacity, patient volume, and treatment philosophy. Hospitals Large hospitals remain the primary users of PDT, especially those with oncology departments and access to endoscopic and laser-based infrastructure. Hospitals are motivated by the ability to integrate PDT into multidisciplinary care, combining it with surgery, chemotherapy, and immunotherapy. Many teaching hospitals also act as trial sites, allowing them to test next-generation photosensitizers and refine protocols. Cancer Specialty Centers Specialty centers are emerging as critical drivers of PDT adoption. These facilities focus exclusively on oncology, often positioning PDT as part of their minimally invasive treatment portfolio. They are more agile than general hospitals in piloting drug-device combination therapies and tend to attract patients seeking alternatives to high-toxicity treatments. Specialty centers are also leading adopters of PDT for urologic and gastrointestinal cancers, where procedure-based delivery is more feasible. Ambulatory Surgical Centers (ASCs) Though smaller in market share, ASCs are increasingly using PDT in dermatology and urology cases. Outpatient PDT for skin cancers and actinic keratosis is a practical fit for ASCs due to lower equipment requirements and quick recovery times. For bladder cancer, ASCs are beginning to experiment with PDT as an adjunct to resection procedures. Diagnostic and Research Institutes Academic research institutes play a pivotal role in PDT innovation. Many are trialing advanced photosensitizers, light delivery devices, and immunotherapy combinations. While not end users in a commercial sense, their involvement influences adoption by generating clinical data and training future oncologists in PDT protocols. Use Case Highlight A regional oncology hospital in Japan recently integrated nanotechnology-based photosensitizers with fiber -optic light delivery for patients with early-stage lung cancer. The hospital’s aim was to offer a minimally invasive alternative for patients unfit for surgery. Within a year of adoption, clinical teams reported a 35% reduction in local recurrence rates compared to standard resection in similar cohorts. Importantly, patient-reported outcomes showed improved quality of life, with fewer respiratory complications and faster recovery. This use case demonstrates how advanced PDT is not only filling treatment gaps but also reshaping expectations around cancer survivorship. Bottom line: each end user approaches PDT differently. Hospitals see it as part of a multidisciplinary arsenal. Specialty centers use it to differentiate and expand treatment choice. Outpatient centers value its procedural efficiency. And research institutes see it as a platform to push oncology innovation further. Together, these segments are broadening PDT’s role in cancer management. Recent Developments + Opportunities & Restraints Recent Developments (Last 2 Years) Pinnacle Biologics (2023): Advanced clinical programs evaluating porfimer sodium in combination with immunotherapy agents for lung and esophageal cancers, signaling a move toward synergistic treatment strategies. Steba Biotech (2023): Reported progress in its Phase III trial for vascular-targeted photodynamic therapy (VTP) in localized prostate cancer, demonstrating improved safety outcomes—an important step toward outpatient urologic applications. Modulight (2024): Launched a new medical laser platform tailored for gastrointestinal PDT, enabling more precise light control for internal tumors. This represents a leap in therapeutic precision and device innovation. Biofrontera (2024): Expanded its dermatology-focused PDT portfolio into Latin America, introducing outpatient solutions for actinic keratosis and non-melanoma skin cancers—supporting decentralized cancer care in emerging markets. Asian Biotech Startups (2023–2024): Multiple early-phase trials launched in China focused on nanotechnology-enabled photosensitizers, targeting challenging cancers like pancreatic and glioblastoma. This reflects rising regional innovation and local manufacturing capabilities. Opportunities Combination Therapy Expansion: Photodynamic Therapy is gaining traction as a complement to immunotherapy, particularly in solid tumors. Its ability to trigger immunogenic cell death supports use in checkpoint inhibitor-resistant cancers. Asia Pacific Growth Markets: China, India, and Southeast Asia present high-growth potential due to rising cancer incidence, cost sensitivity, and expanding oncology infrastructure. Local manufacturing and government initiatives are accelerating clinical trials. Nanotechnology & Targeted Delivery: Advanced photosensitizer platforms using liposomes, polymers, or quantum dots are opening new frontiers in PDT—particularly for deep-seated tumors like pancreatic, glioblastoma, or hepatocellular carcinoma. These innovations may improve tissue selectivity, reduce off-target effects, and enhance therapeutic index. Restraints Limited Reimbursement Coverage: In many countries, especially outside North America and Western Europe, public and private insurers do not routinely cover PDT for non-dermatologic uses. This significantly restricts adoption for internal cancers. Infrastructure Barriers: PDT for internal tumors requires laser equipment, fiber-optic delivery tools, and imaging support. Such infrastructure is often lacking in mid- and low-income settings, limiting broader hospital uptake. Workforce Gaps in PDT Expertise: A shortage of clinicians trained in PDT protocols—particularly for GI, lung, and prostate cancers—slows adoption. This is compounded by the need for interdisciplinary coordination (e.g., between oncologists, surgeons, and radiologists). 7.1. Report Coverage Table Report Attribute Details Forecast Period 2024 – 2030 Market Size Value in 2024 USD 1.5 Billion Revenue Forecast in 2030 USD 2.7 Billion Overall Growth Rate CAGR of 8.9% (2024 – 2030) Base Year for Estimation 2024 Historical Data 2019 – 2023 Unit USD Million, CAGR (2024 – 2030) Segmentation By Product Type, By Cancer Application, By End User, By Geography By Product Type Photosensitizing Agents, Light Delivery Systems By Cancer Application Lung Cancer, Esophageal Cancer, Bladder Cancer, Head & Neck Cancer, Skin Cancer, Others By End User Hospitals, Cancer Specialty Centers, Ambulatory Surgical Centers, Research Institutes By Region North America, Europe, Asia-Pacific, Latin America, Middle East & Africa Country Scope U.S., UK, Germany, France, China, India, Japan, Brazil, Saudi Arabia, South Africa Market Drivers - Rising demand for minimally invasive oncology treatments - Growing adoption of PDT in combination with immunotherapies - Technological advances in nanomedicine and light delivery systems Customization Option Available upon request Frequently Asked Question About This Report Q1: How big is the cancer photodynamic therapy market? A1: The global cancer photodynamic therapy market is valued at USD 1.5 billion in 2024. Q2: What is the CAGR for the cancer photodynamic therapy market during the forecast period? A2: The market is expected to grow at a CAGR of 8.9% from 2024 to 2030. Q3: Who are the major players in the cancer photodynamic therapy market? A3: Key players include Pinnacle Biologics, Biofrontera AG, Steba Biotech, Modulight Corporation, and Lumibird Medical. Q4: Which region dominates the cancer photodynamic therapy market? A4: North America leads due to FDA-approved drugs, strong research infrastructure, and integration into cancer specialty centers. Q5: What factors are driving growth in the cancer photodynamic therapy market? A5: Growth is driven by rising demand for minimally invasive oncology treatments, innovation in photosensitizers and light delivery systems, and expanding clinical adoption in Asia Pacific. Table of Contents – Global Cancer Photodynamic Therapy (PDT) Market Report (2024–2030) Executive Summary Market Overview Market Attractiveness by Product Type, Cancer Application, End User, and Region Strategic Insights from Key Executives (CXO Perspective) Historical Market Size and Future Projections (2019–2030) Summary of Market Segmentation by Product Type, Cancer Application, End User, and Region Market Share Analysis Leading Players by Revenue and Market Share Market Share Analysis by Product Type, Cancer Application, and End User Investment Opportunities in the Cancer Photodynamic Therapy (PDT) Market Key Developments and Innovations Mergers, Acquisitions, and Strategic Partnerships High-Growth Segments for Investment Market Introduction Definition and Scope of the Study Market Structure and Key Findings Overview of Top Investment Pockets Research Methodology Research Process Overview Primary and Secondary Research Approaches Market Size Estimation and Forecasting Techniques Market Dynamics Key Market Drivers Challenges and Restraints Impacting Growth Emerging Opportunities for Stakeholders Impact of Regulatory and Technological Factors Environmental and Accessibility Considerations Global Cancer Photodynamic Therapy (PDT) Market Analysis Historical Market Size and Volume (2019–2023) Market Size and Volume Forecasts (2024–2030) Market Analysis by Product Type: Photosensitizing Agents Light Delivery Systems Market Analysis by Cancer Application: Skin Cancer Lung & Esophageal Cancers Bladder Cancer Head & Neck Cancers Other Indications Market Analysis by End User: Hospitals Cancer Specialty Centers Ambulatory Surgical Centers (ASCs) Research Institutes Market Analysis by Region: North America Europe Asia Pacific Latin America Middle East & Africa Regional Market Analysis North America Cancer Photodynamic Therapy (PDT) Market Analysis Historical Market Size and Volume (2019–2023) Market Size and Volume Forecasts (2024–2030) Market Analysis by Product Type, Cancer Application, End User Country-Level Breakdown United States Canada Mexico Europe Cancer Photodynamic Therapy (PDT) Market Analysis Historical Market Size and Volume (2019–2023) Market Size and Volume Forecasts (2024–2030) Market Analysis by Product Type, Cancer Application, End User Country-Level Breakdown Germany United Kingdom France Italy Spain Rest of Europe Asia Pacific Cancer Photodynamic Therapy (PDT) Market Analysis Historical Market Size and Volume (2019–2023) Market Size and Volume Forecasts (2024–2030) Market Analysis by Product Type, Cancer Application, End User Country-Level Breakdown China India Japan South Korea Rest of Asia Pacific Latin America Cancer Photodynamic Therapy (PDT) Market Analysis Historical Market Size and Volume (2019–2023) Market Size and Volume Forecasts (2024–2030) Market Analysis by Product Type, Cancer Application, End User Country-Level Breakdown Brazil Argentina Rest of Latin America Middle East & Africa Cancer Photodynamic Therapy (PDT) Market Analysis Historical Market Size and Volume (2019–2023) Market Size and Volume Forecasts (2024–2030) Market Analysis by Product Type, Cancer Application, End User Country-Level Breakdown GCC Countries South Africa Rest of Middle East & Africa Competitive Intelligence and Benchmarking Leading Key Players: Pinnacle Biologics Biofrontera AG Steba Biotech Modulight Corporation Lumibird Medical Other Emerging Players Competitive Landscape and Strategic Insights Benchmarking Based on Product Innovation, Pipeline, and Market Reach Appendix Abbreviations and Terminologies Used in the Report References and Sources List of Tables Market Size by Product Type, Cancer Application, End User, and Region (2024–2030) Regional Market Breakdown by Segment Type (2024–2030) List of Figures Market Drivers, Restraints, and Opportunities Regional Market Snapshot Competitive Landscape by Revenue Share Innovation Roadmap for Photosensitizers Market Share by Product Type, Cancer Application, and End User (2024 vs. 2030)