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About Shuttle Pharmaceuticals Holdings Inc
Shuttle Pharmaceuticals Holdings Inc is a clinical-stage biopharmaceutical company focused on the development of innovative radiation sensitizers and selective HDAC inhibitors. Founded by faculty members of a renowned medical center, the company is deeply rooted in cutting-edge research and clinical innovation, strategically positioned to address unmet needs in the treatment of cancer.
Utilizing its proprietary technology, Shuttle Pharmaceuticals is dedicated to enhancing the efficacy of radiation therapy (RT) by integrating its novel therapeutic candidates with standard treatment modalities. This includes not only the adjunctive use with surgery, chemotherapy, and immunotherapy but also optimizing outcomes in patients undergoing radiation treatment. Through its pioneering work, the company is developing products that aim to sensitize tumors to radiation while protecting surrounding healthy tissues from adverse effects.
Therapeutic Focus and Pipeline
The company’s robust pipeline is centered on two major therapeutic programs:
- Radiation Sensitization: Shuttle Pharmaceuticals is advancing its lead candidate, Ropidoxuridine (IPdR), designed to enhance the cytotoxic effects of radiation on brain tumors, specifically targeting glioblastoma—a challenging malignancy where current treatment options are limited.
- Selective HDAC Inhibitors: The company’s portfolio includes novel HDAC inhibitors, such as SP-1-303, which exploits the potential of inhibiting class I HDACs and modulating ATM activity. This dual-target approach not only sensitizes cancer cells to radiation but also activates immune responses, providing a multifaceted strategy against cancers like estrogen receptor-positive breast cancer.
Clinical Development and Research Excellence
Shuttle Pharmaceuticals is recognized for its methodical approach to clinical research, with its Phase 2 clinical trial for Ropidoxuridine already underway at several nationally recognized cancer centers. The trial is designed to evaluate optimal dosing regimens in patients with aggressive glioblastoma, showcasing the company’s commitment to rigorous clinical standards and robust data-driven decision making. Its research extends beyond immediate clinical application, delving into diagnostics and theranostic approaches that could further refine treatment paradigms in oncology.
Innovative Technology and Industry Impact
At the core of Shuttle Pharmaceuticals' operations is a blend of advanced molecular pharmacology and clinical insight. The company leverages its proprietary HDAC platform to identify and develop drug candidates that selectively modulate gene expression involved in cancer progression and the immune response. This strategic use of technology not only advances cancer therapy but also contributes to broader biomedical research in areas such as autoimmune and inflammatory diseases.
Competitive Position and Market Context
Operating in the competitive and dynamic oncology sector, Shuttle Pharmaceuticals distinguishes itself through its singular focus on radiation sensitization—a critical component in improving the outcomes of radiation therapy. Despite challenges such as rigorous regulatory requirements and the high costs associated with clinical trials, its deep scientific expertise and academic backing provide a strong foundation for overcoming these hurdles. The company is a significant entity in its niche, strategically differentiating its offerings by combining novel drug candidates with advanced delivery protocols aimed at enhancing the precision and safety of cancer treatments.
Commitment to Scientific Rigor and Patient Outcomes
Every aspect of Shuttle Pharmaceuticals’ operations echoes a commitment to improving patient outcomes without compromising safety. By maintaining stringent research protocols and engaging with collaborative research institutions, the company not only educates the scientific community but also ensures that every advancement is thoroughly validated and transparently reported. This approach builds trust among clinical peers, investors, and regulatory bodies, reinforcing its reputation as a credible and reliable innovator in the field of oncology.
In summary, Shuttle Pharmaceuticals Holdings Inc epitomizes a blend of scientific innovation and applied clinical research. Its focus on maximizing the effectiveness of traditional radiation therapy through novel sensitizers and targeted inhibitors positions it as a resourceful player within the oncology sector—driving forward research that may one day transform the treatment landscape for some of the most challenging cancers.
Shuttle Pharmaceuticals Holdings has filed a Form D notice for an exempt securities offering under Rule 506(b). The company has successfully raised $4,250,000 through the offering, which was completed on June 20, 2025, with no remaining amount to be sold.
Key details of the offering:
- Securities offered include equity, options/warrants, and securities to be acquired upon exercise
- WestPark Capital served as broker-dealer with sales commissions of $170,000
- Total of 1 investor participated in the offering
- Offering not intended to last more than one year
The company's leadership includes Christopher Cooper (CEO), Peter Dritschilo (President/COO), Mira Jung (Chief Scientific Officer), Tyvin Rich (Chief Medical Officer), and Timothy Lorber (CFO). The pharmaceutical company is headquartered in Gaithersburg, Maryland, and was incorporated in Delaware over five years ago.
Shuttle Pharmaceuticals Holdings (NASDAQ:SHPH) has entered into a private placement agreement with an accredited investor on June 20, 2025. The company will sell 21,924 shares of common stock at $3.60 per share and 1,158,953 pre-funded warrants at $3.599 per warrant with a $0.001 exercise price.
The agreement includes a registration rights requirement to file within 10 days and achieve effectiveness within 90-120 days. The company and insiders agreed to a 60-day lock-up period. WestPark Capital served as placement agent, receiving a 4% fee of gross proceeds plus expense reimbursement.
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