Towards ethical drug pricing: the European Orphan Genomic Therapies Fund.

An increasing number of novel genomic therapies are expected to become available for patients with rare or ultra-rare diseases. However, the primary obstacle to equal patient access to these orphan genomic therapies are currently very high prices charged by manufacturers in the context of limited healthcare budgets. Taking into account ethical pricing theories, the paper proposes the implementation of a pricing infrastructure covering all European member states, which has the potential to promote distributive justice while maintaining the attractiveness of genomic therapy development.

Analysis and comparative evaluation of expedited programs for gene therapy products: insights from the United States, the European Union, Japan, and South Korea.

Gene therapy products (GTPs) used for incurable diseases can be expedited for early commercialization to fulfill unmet needs. This study analyzed the expedited programs available for GTPs in the US, EU, Japan, and South Korea using their regulatory authorities' websites, related regulations, and documents. In total, there were five expedited programs available for GTPs in the US, four in the EU, and three in both Japan and South Korea, of which four are tailored for GTPs. These programs, sharing similar objectives, can be categorized as those expediting drug development, review, and approval. However, variations are observed in eligibility criteria, specific benefits, and post-marketing study conditions across regulatory authorities. Additionally, the criteria for orphan drug designation for a rare disease differs in prevalence thresholds, incentive offered, and marketing exclusivity period. Overall, 19 GTPs were approved-13 in the US, 14 in the EU, eight in Japan, and three in South Korea-with majority obtaining regulatory approval through at least one expedited program. Therefore, future studies can analyze whether acquiring multiple expedited programs accelerates the drug development and commercialization of GTPs compared with when only one expedited program is processed. Additionally, inter-authority scientific discussion is encouraged for harmonization of expedited program requirements.

Advancing rare disease treatment: EMA's decade-long insights into engineered adoptive cell therapy for rare cancers and orphan designation.

Adoptive cell therapy (ACT), particularly chimeric antigen receptor (CAR)-T cell therapy, has emerged as a promising approach for targeting and treating rare oncological conditions. The orphan medicinal product designation by the European Union (EU) plays a crucial role in promoting development of medicines for rare conditions according to the EU Orphan Regulation.This regulatory landscape analysis examines the evolution, regulatory challenges, and clinical outcomes of genetically engineered ACT, with a focus on CAR-T cell therapies, based on the European Medicines Agency's Committee for Orphan Medicinal Products review of applications evaluated for orphan designation and maintenance of the status over a 10-year period. In total, 30 of 36 applications were granted an orphan status, and 14 subsequently applied for maintenance of the status at time of marketing authorisation or extension of indication. Most of the products were autologous cell therapies using a lentiviral vector and were developed for the treatment of rare haematological B-cell malignancies. The findings revealed that 80% (29/36) of the submissions for orphan designation were supported by preliminary clinical data showing a potential efficacy of the candidate products and an added clinical benefit over currently authorised medicines for the proposed orphan condition. Notably, in 89% (32/36) of the cases significant benefit of the new products was accepted based on a clinically relevant advantage over existing therapies. Twelve of fourteen submissions reviewed for maintenance of the status at time of marketing authorisation or extension of indication demonstrated significant benefit of the products over existing satisfactory methods of treatment within the approved therapeutic indications, but one of the applications was withdrawn during the regulatory evaluation.This article summarises the key findings related to the use of engineered ACT, primarily CAR-T cell therapies, in targeting and treating rare cancers in the EU. It emphasises the importance of use of clinical data in supporting medical plausibility and significant benefit at the stage of orphan designation and highlights the high success rate for these products in obtaining initial orphan designations and subsequent maintaining the status at the time of marketing authorisation or extension of indication.

The Orphan Drug for Acanthamoeba Keratitis (ODAK) Trial: PHMB 0.08% (Polihexanide) and Placebo versus PHMB 0.02% and Propamidine 0.1.

PURPOSE: To compare topical PHMB (polihexanide) 0.02% (0.2 mg/ml)+ propamidine 0.1% (1 mg/ml) with PHMB 0.08% (0.8 mg/ml)+ placebo (PHMB 0.08%) for Acanthamoeba keratitis (AK) treatment. DESIGN: Prospective, randomized, double-masked, active-controlled, multicenter phase 3 study (ClinicalTrials.gov identifier, NCT03274895). PARTICIPANTS: One hundred thirty-five patients treated at 6 European centers. METHODS: Principal inclusion criteria were 12 years of age or older and in vivo confocal microscopy with clinical findings consistent with AK. Also included were participants with concurrent bacterial keratitis who were using topical steroids and antiviral and antifungal drugs before randomization. Principal exclusion criteria were concurrent herpes or fungal keratitis and use of antiamebic therapy (AAT). Patients were randomized 1:1 using a computer-generated block size of 4. This was a superiority trial having a predefined noninferiority margin. The sample size of 130 participants gave approximately 80% power to detect 20-percentage point superiority for PHMB 0.08% for the primary outcome of the medical cure rate (MCR; without surgery or change of AAT) within 12 months, cure defined by clinical criteria 90 days after discontinuing anti-inflammatory agents and AAT. A prespecified multivariable analysis adjusted for baseline imbalances in risk factors affecting outcomes. MAIN OUTCOME MEASURES: The main outcome measure was MCR within 12 months, with secondary outcomes including best-corrected visual acuity and treatment failure rates. Safety outcomes included adverse event rates. RESULTS: One hundred thirty-five participants were randomized, providing 127 in the full-analysis subset (61 receiving PHMB 0.02%+ propamidine and 66 receiving PHMB 0.08%) and 134 in the safety analysis subset. The adjusted MCR within 12 months was 86.6% (unadjusted, 88.5%) for PHMB 0.02%+ propamidine and 86.7% (unadjusted, 84.9%) for PHMB 0.08%; the noninferiority requirement for PHMB 0.08% was met (adjusted difference, 0.1 percentage points; lower one-sided 95% confidence limit, -8.3 percentage points). Secondary outcomes were similar for both treatments and were not analyzed statistically: median best-corrected visual acuity of 20/20 and an overall treatment failure rate of 17 of 127 patients (13.4%), of whom 8 of 127 patients (6.3%) required therapeutic keratoplasty. No serious drug-related adverse events occurred. CONCLUSIONS: PHMB 0.08% monotherapy may be as effective (or at worse only 8 percentage points less effective) as dual therapy with PHMB 0.02%+ propamidine (a widely used therapy) with medical cure rates of more than 86%, when used with the trial treatment delivery protocol in populations with AK with similar disease severity. FINANCIAL DISCLOSURE(S): Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.

Uptake of orphan drugs in the WHO essential medicines lists.

Objective: We evaluated the uptake of medicines licensed as orphan drugs by the United States Food and Drug Administration (FDA) or European Medicines Agency (EMA) into the WHO Model list of essential medicines and the WHO Model list of essential medicines for children from 1977 to 2021. Methods: We collated and analysed data on drug characteristics, reasons for adding or rejecting medicines, and time between regulatory approval and inclusion in the lists. We compared trends in listing orphan drugs before and after revisions to the inclusion criteria of the essential medicines lists in 2001, as well as differences in trends for listing orphan and non-orphan drugs, respectively. Findings: The proportion of orphan drugs in the essential medicines lists increased from 1.9% (4/208) in 1977 to 14.6% (70/478) in 2021. While orphan drugs for communicable diseases have remained stable over time, we observed a considerable shift towards more orphan drugs for noncommunicable diseases, particularly for cancer. The median period for inclusion in the essential medicines lists after either FDA or EMA first approval was 13.5 years (range: 1-28 years). Limited clinical evidence base and uncertainty about the magnitude of net benefit were the most frequent reasons to reject proposals to add new orphan drugs to the essential medicines lists. Conclusion: Despite lack of a global definition of rare diseases, the essential medicines lists have broadened their scope to include medicines for rare conditions. However, the high costs of many listed orphan drugs pose accessibility and reimbursement challenges in resource-constrained settings.

The Orphan Drug Act at 40: Legislative Triumph and the Challenges of Success.

Policy Points The Orphan Drug Act (ODA) was the result of patient advocacy and by many measures has been strikingly successful. However, approximately 95% of the more than 7,000 known rare diseases still have no US Food and Drug Administration-approved treatment. The ODA's success led to sustained criticism of high drug prices, often for products that have orphan drug indications. Critics misconstrue the ODA's intent and propose reducing its incentives instead of pursuing policies focused on addressing broader prescription drug price challenges that exist in both the orphan and nonorphan drug market. Patients and their families will continue to defend the purpose and integrity of the ODA and to drive investments into rare disease research and clinical development.

Repurposing the orphan drug nitisinone to control the transmission of African trypanosomiasis.

Tsetse transmit African trypanosomiasis, which is a disease fatal to both humans and animals. A vaccine to protect against this disease does not exist so transmission control relies on eliminating tsetse populations. Although neurotoxic insecticides are the gold standard for insect control, they negatively impact the environment and reduce populations of insect pollinator species. Here we present a promising, environment-friendly alternative to current insecticides that targets the insect tyrosine metabolism pathway. A bloodmeal contains high levels of tyrosine, which is toxic to haematophagous insects if it is not degraded and eliminated. RNA interference (RNAi) of either the first two enzymes in the tyrosine degradation pathway (tyrosine aminotransferase (TAT) and 4-hydroxyphenylpyruvate dioxygenase (HPPD)) was lethal to tsetse. Furthermore, nitisinone (NTBC), an FDA-approved tyrosine catabolism inhibitor, killed tsetse regardless if the drug was orally or topically applied. However, oral administration of NTBC to bumblebees did not affect their survival. Using a novel mathematical model, we show that NTBC could reduce the transmission of African trypanosomiasis in sub-Saharan Africa, thus accelerating current disease elimination programmes.

Partial Orphan Cancer Drugs: US Food and Drug Administration Approval, Clinical Benefit, Trials, Epidemiology, Price, Beneficiaries, and Spending.

OBJECTIVES: The Orphan Drug Act (ODA) incentivizes drug development for rare diseases with limited sales potential. Partial orphans-drugs used to treat rare and common diseases-frequently turn into multi-billion dollar blockbusters. This study analyzes partial orphan cancer drugs' development, approval, and economics. METHODS: 170 drugs with US Food and Drug Administration approval for 455 cancer indications were identified (2000-2021). 110 full, 22 partial, and 38 non-orphan drugs were compared regarding their approval, benefits, trials, epidemiology, price, beneficiaries, and spending with data from regulatory documents, Global Burden of Disease study, and Medicare and Medicaid. RESULTS: Full orphans, relative to partial and non-orphans, were more frequently monotherapies for hematologic cancers supported by smaller single-arm trials treating diseases with a lower incidence and higher severity. The time from first to second indication approval was 1 year shorter for partial than full orphans. Full orphans offered a greater overall survival (median: 4.0 vs 2.8 vs 2.8 months, P < .001) and progression-free survival benefit (median: 5.1 vs 2.5 vs 3.6 months, P < .001). Monthly prices were higher for full and partial than non-orphan drugs (median: $17 177 vs $13 284 vs $12 457, P < .001). Beneficiaries (8790 vs 4390 vs 1730) and spending ($570 vs $305 vs $156 million) per drug were greater for partial than non-and full orphans. CONCLUSIONS: Although partial orphans' benefits, trials, and economics are more similar to non-than full orphans, they receive all of the ODA's benefits and are swiftly extended to new indications; resulting in greater spending. A maximum ODA revenue/patient threshold could limit expenditure on partial orphans.

Utilization and affordability of health insurance coverage for rare disease drugs in a first-tier city in Northeast China from 2018 to 2021: a study based on the health insurance claims database.

OBJECTIVE: The accessibility issue of orphan drugs in China is prominent. Based on real-world data from a tier-one city in Northeast China, this study aims to analyze the current usage and affordability of orphan drugs for rare diseases. METHODS: The data was sourced from the health insurance claims data of a certain city from 2018 to 2021, including a total of 16 orphan drugs. The utilization of orphan drugs is assessed using four indicators: frequency of medical insurance claims, medication cost, defined daily doses (DDDs), and defined daily drug cost (DDDc). Affordability is measured using the concept of catastrophic health expenditure (CHE). RESULTS: Between January 2018 and December 2021, there were a total of 2,851 medical insurance claims in the city, with a total medication costs of $3.08 million. Overall, during the study, there was a year-on-year increase in the utilization frequency of individual rare disease drugs in the city, with DDDs rising from 140.22 in 2018 to 3983.63 in 2021. Additionally, the annual medication costs of individual drugs showed a consistent upward trend, increasing from $10,953.53 in 2018 to $120,491.36 in 2021. However, the DDDc of individual drugs decreased from $398.12 in 2018 to $96.65 in 2021.The number of sales and the amount of sales for orphan drugs in community pharmacies have significantly increased. Prior to medical insurance coverage, out of the 16 orphan drugs, 9 drugs had annual treatment costs exceeding CHE for urban residents, and 15 drugs had annual treatment costs exceeding CHE for rural residents. After medical insurance coverage, there were no drugs with out-of-pocket costs exceeding CHE for urban residents, while 8 drugs had out-of-pocket costs exceeding CHE for rural residents. Furthermore, both before and after medical insurance coverage, the four treatment drugs for idiopathic pulmonary arterial hypertension were more affordable compared to the four treatment drugs for multiple sclerosis. CONCLUSION: The usage frequency of orphan drugs in a certain city increased gradually, but the disease burden remained heavy. More policy support should be provided to the priority rare disease populations, and the rare disease medical security and diagnosis and treatment systems should be improved.

The European landscape for gene therapies in orphan diseases: 6-year experience with the EMA Committee for Orphan Medicinal Products.

In 2000, the European Union (EU) introduced the orphan pharmaceutical legislation to incentivize the development of medicinal products for rare diseases. The Committee for Orphan Medicinal Products (COMP), the European Medicines Agency committee responsible for evaluation of applications for orphan designation (OD), received an increasing flow of applications in the field of gene therapies over the last years. Here, the COMP has conducted a descriptive analysis of applications regarding gene therapies in non-oncological rare diseases, with respect to (a) targeted conditions and their rarity, (b) characteristics of the gene therapy products proposed for OD, with a focus on the type of vector used, and (c) regulatory aspects pertaining to the type of sponsor and development, by examining the use of available frameworks offered in the EU such as protocol assistance and PRIME. It was noted that gene therapies are being developed by sponsors from different backgrounds. Most conditions being targeted are monogenic, the most common being lysosomal disorders, and with a very low prevalence. Generally, adeno-associated viral vectors were being used to deliver the transgene. Finally, sponsors are not frequently using the incentives that may support the development and the reasons for this are unclear.

Do Reimbursement Recommendations by the Canadian Agency for Drugs and Technology in Health Translate Into Coverage Decisions for Orphan Drugs in the Canadian Province of Ontario?

OBJECTIVES: Unlike other high-income countries, Canada has no national policy for drugs treating rare diseases (orphan drugs). Nevertheless, in 2022, the Canadian government committed to creating a national strategy to make access to these drugs more consistent. Our aim was to study whether recommendations made by the Canadian Agency for Drugs and Technology in Health (CADTH) translated into coverage decisions for orphan drugs in Ontario, the largest Canadian province. This study is the first to look at this question for orphan drugs, which are at the center of policy attention. METHODS: We included 155 orphan drug-indication pairs approved and marketed in Canada between October 2002 and April 2022. Cohen's kappa was used to test the agreement across health technology assessment (HTA) recommendations and coverage decisions in Ontario. Logistic regression was used to test which factors, relevant to decision-makers, might be associated with funding in Ontario. RESULTS: We found only fair agreement between CADTH's recommendations and coverage decisions in Ontario. Although a positive and statistically significant association between favorable HTA recommendations and coverage was found, more than half of the drugs with a negative HTA recommendation were available in Ontario, predominately through specialized funds. Successful pan-Canadian pricing negotiations were a strong predictor of coverage in Ontario. CONCLUSIONS: Despite efforts to harmonize access to drugs across Canada, considerable room for improvement remains. Introducing a national strategy for orphan drugs could help increase transparency, consistency, promote collaborations, and make access to orphan drugs a national priority.

Analysis of orphan designation status for FDA approved drugs, and case studies in oncology, neuroscience and metabolic diseases.

Many new drugs have been approved over the past decade for rare or orphan diseases. The passage of the Orphan Drug Act (ODA) in 1983 has provided key economic and regulatory incentives to provide medicines for patients who are suffering from rare diseases that may not be commercially attractive for research and development. We have analyzed 497 novel drugs approved from 2010 - June 13, 2022, of which 220 were given orphan designation status. We discuss trends over this time period, potential risks for long development times, and provide example case studies of successful development and launch of novel drugs for rare diseases.

Clinical trial considerations for pediatric cancer drug development.

Oncology has been one of the most active therapeutic areas in medicinal products development. Despite this fact, few drugs have been approved for use in pediatric cancer patients when compared to the number approved for adults with cancer. This disparity could be attributed to the fact that many oncology drugs have had orphan drug designation and were exempt from Pediatric Research Equity Act (PREA) requirements. On August 18, 2017, the RACE for Children Act, i.e. Research to Accelerate Cures and Equity Act, was signed into law as Title V of the 2017 FDA Reauthorization Act (FDARA) to amend the PREA. Pediatric investigation is now required if the drug or biological product is intended for the treatment of an adult cancer and directed at a molecular target that FDA determines to be "substantially relevant to the growth or progression of a pediatric cancer." This paper discusses the specific considerations in clinical trial designs and statistical methodologies to be implemented in oncology pediatric clinical programs.

Patient-based evidence: its role in decision making on end-of-life, orphan, and ultra-orphan medicines.

OBJECTIVES: The Scottish Medicines Consortium (SMC) conducts early health technology assessment (HTA) of new medicines on behalf of NHSScotland. Assessment of end-of-life (EoL), orphan, and ultra-orphan medicines includes a process to gather evidence from patients and carers during Patient and Clinician Engagement (PACE) meetings. The output of PACE meetings is a consensus statement describing the medicine's added value from the perspective of patients/carers and clinicians. The PACE statement is used by SMC committee members in decision making. This study compared how PACE participants and SMC committee members rate the importance of information in PACE statements for these medicines. METHODS: A survey was undertaken of patient group (PG) representatives and clinicians who participated in PACE meetings, and SMC committee members. RESULTS: PACE participants who responded (26 PG representatives and 14 clinicians) rated health benefits and ability to take part in normal life as important/very important. Convenience of administration and treatment choice received the lowest rating. Hope for the future received the most diverse response. PACE participants generally rated the importance of quality of life themes higher than committee members (n = 20) but the rank order was similar. Differences between the proportion of PACE participants and committee members who rated themes as important/very important were greatest for treatment choice and hope for the future. CONCLUSIONS: In general, PACE themes and subthemes that were rated highly by PACE participants were also considered important by SMC committee members, indicating that information captured during PACE meetings is relevant when making decisions on EoL, orphan, and ultra-orphan medicines.

Novel approach to decision making for orphan drugs.

BACKGROUND: Out of 185 orphan medicinal products (OMPs) registered in 2015-2021, a mere 110 (59 percent) were available to Czech patients, and only 54 (29 percent) were officially reimbursed. Moreover, this proportion has steadily decreased over time. After years of public debate induced by this unsatisfactory OMP patient access, the national viewpoint shifted toward creating a special pathway for the reimbursement of OMP. Thus, a rigorous pricing and reimbursement procedure with strict timelines and elaborated methodology has been recently adopted in Czechia. METHODOLOGY: The innovative legislation follows the recommendations for value assessment and funding processes for rare diseases and incorporates additional elements of value, such as the societal perspective. First, the application with clinical evidence, cost-effectiveness, and budget impact analyses is submitted to the governmental health technology assessment (HTA) agency by the Marketing Authorization Holder or a Health Insurance Fund. Moreover, professional associations and patients' organizations are rightful participants in the proceeding, providing evidence and comments. Then, the HTA agency performs the assessment/appraisal of the evidence. It subsequently publishes the assessment report summarizing available information. The report is then forwarded to the Ministry of Health and its advisory body consisting of patients, clinical experts, health insurance funds, and the State. They critically evaluate the documents and issue a binding opinion following prespecified decision-making criteria. Based on this binding opinion, the decision is issued by the HTA agency. Thus, the role of the advisory body in this process is crucial. CONCLUSION: We believe that this novel approach may offer satisfactory patient access to orphan drugs. Moreover, it serves as a real-world example of "value-based" decision making.

Top Selling (2026) Small Molecule Orphan Drugs: A Journey into Their Chemistry.

This review describes, from a chemical point of view, the top "blockbuster" small molecule orphan drugs according to their forecasted sales in 2026. Orphan drugs are intended for the treatment, prevention, or diagnosis of a rare disease or condition. These molecules are mostly addressed to the treatment of rare forms of cancer. The respiratory and central nervous systems represent other common therapeutic subcategories. This work will show how the orphan drugs market has significantly grown and will account for a consistent part of prescriptions by 2026.

Clinical research focused in European adult women with minority diseases: Do we try hard enough?

We analyzed the European countries participation in clinical trials addressing to new drug development focused on rare diseases in women comparing to more prevalent diseases as breast cancer. Participation was not associated with type of healthcare system neither socio-economic features, but it was associated with population size. Protocol ratios focused on breast cancer vs. orphan drugs and rare diseases was 15:1 and 9:1, respectively, mainly focused on ovarian cancer. Protocol number was insufficient to evaluate the success of Regulation (EC) 141/2000, it is necessary to increase the scientific quality and the number of really new molecules.

Challenges in development and management of orphan drugs-a case study of Prussian blue insoluble.

Prussian blue insoluble (PB) is an antidote for decorporation of radioactive and non-radioactive isotopes of thallium and cesium. Its dosage in the form of capsules, Radiogardase-Cs, is a United States Food and Drug Administration approved formulation since 2003. In India and many other countries, this drug is not available and in case of requirement it is imported from US or Europe. The author has worked extensively to make PB capsules available in India. The drug was recently approved by the Indian drug regulatory agency, Central Drugs Standard Control Organisation and is now available commercially in India. However this drug needs special attention as it is an orphan drug with limited requirement. The post-approval phase of this drug poses a different set of challenges and the author has highlighted some key issues with probable approaches for post-approval product management.

[Current Status and Issues in Drug Development for Rare Cancers].

Since 1993, the"R & D Promotion System for Orphan Drugs and Orphan Medical Devices"has been in operation to support the development of orphan drugs in Japan. Various supportive measures are in place for indications that target less than 50,000 patients, have high medical needs and high probability of successful development(which means regulatory approval). However, recently a trend was observed that the designation for orphan drugs occurred most often in late phase of development, because clinical data for late stage clinical studies were required to show the high probability of successful regulatory approval. The Ministry of Health, Labour and Welfare are trying to make efforts to expand the orphan drug designation, and have made the decision to include the related expenses will be included in the FY 2023 budget request. It is expected that the expansion of orphan drug designation will lead to promote drug development in rare disease area. On the other hand, fundamental reform is considered necessary for this system. Among the approved anti-cancer drugs that obtained orphan designation in the U. S. and EU as of 2020, there are 24 drugs that have not been approved in Japan. Of these, there are at least 16 drugs approved in either China, Taiwan, and South Korea. From viewpoint of development pathway of an orphan drug, participation in a multi-regional clinical trial(MRCT)is useful, but there are cases that Japan cannot join MRCT in time due to the requirement of Japanese safety data prior to the participation. In that case, it is impossible to conduct a separate clinical trial to obtain Japan regulatory approval due to very limited patients(eg several to several tens of Ultra-Orphan). A review system that allows earlier patient access is desired.

[PMDA's Initiatives to Encourage the New Drug Development for Rare Cancers].

Rare cancers, estimated to account for 15% of all cancers, have many unmet medical needs, but at the same time, developing treatments for these cancers is fraught with difficulties. PMDA's efforts to promote and support the development of treatments for rare cancers include the development consultation to meet the needs of emerging biopharma(EBP), promotion of development through multi-regional clinical trials, and development support for investigator-initiated clinical trials. In addition, the development environment for rare cancers and rare subtypes has been improved through the revision of clinical evaluation guidelines, consultation programs and guidance publication for the utilization of RWDs, and the accumulation of tissue-agnostic cancer drug approvals. Regarding the Orphan Drug Designation System, about one-third of the 267 drugs designated during the 15-year period from 2004-2018 were anti-cancer drugs. Looking at the approvals of anti-cancer drugs during the past 10 years(2013-2022), 26%(53/203)of drugs for solid tumors and 60%(62/104)of drugs for hematologic tumors received orphan drug designation. Regulatory measures that support the development for rare cancers include not only the Orphan Drug Designation but also the Conditional Accelerated Approval, which facilitates the development of drugs for diseases where timely conduct of a confirmatory clinical trial is difficult, and the Sakigake Designation that allows the accelerated approval of innovative new drugs. PMDA will continue its efforts to promote drug development in response to changes of the circumstances surrounding drug development as well as developer's need and will make further efforts to disseminate information of those measures both domestically and internationally.