Who Owns Rozerem?
Rozerem (ramelteon) is owned by Takeda Pharmaceutical Company (TSE: 4502; NYSE: TAK), a publicly traded Japanese multinational pharmaceutical company headquartered in Tokyo, Japan. The FDA approved Rozerem on July 22, 2005, for the treatment of insomnia characterized by difficulty with sleep onset. Rozerem is a selective agonist of melatonin MT1 and MT2 receptors in the suprachiasmatic nucleus, the brain's circadian pacemaker. Unlike benzodiazepines and non-benzodiazepine hypnotics (Z-drugs), Rozerem has no affinity for GABA receptors, no abuse potential, and is not a DEA-scheduled controlled substance, making it the first prescription sleep aid without scheduling requirements.
Parent Company
Takeda Pharmaceutical Company
Founded
2005
Status
Publicly Traded
Headquarters
Tokyo, Japan
Who Owns Rozerem?
- Parent Company: Takeda Pharmaceutical Company
- Ownership Type: Wholly owned
- Company Type: Publicly Traded
- Stock Ticker: Tokyo Stock Exchange: 4502
| Brand | Parent Company | Ownership Type |
|---|---|---|
| Rozerem | Takeda Pharmaceutical Company | Wholly owned |
History of Rozerem
- Founded: 2005
- Founders: Takeda Pharmaceutical Company (developer)
Rozerem's development originated from Takeda's research into the role of melatonin and the circadian system in sleep regulation. Insomnia is one of the most common sleep disorders, affecting approximately 10 to 30 percent of adults, and is characterized by difficulty falling asleep, staying asleep, or waking too early, resulting in daytime impairment. Before Rozerem's approval, the primary prescription treatments for insomnia were benzodiazepines (such as triazolam and temazepam) and non-benzodiazepine hypnotics (Z-drugs, such as zolpidem/Ambien, eszopiclone/Lunesta, and zaleplon/Sonata), all of which work by enhancing GABA-A receptor activity in the brain.
While effective for sleep induction and maintenance, GABA-A receptor modulators have significant limitations including the potential for tolerance, dependence, and abuse, cognitive and psychomotor impairment, rebound insomnia upon discontinuation, and the risk of complex sleep behaviors such as sleepwalking and sleep-driving. All benzodiazepines and Z-drugs are classified as DEA Schedule IV controlled substances due to their abuse potential.
Takeda's researchers recognized that melatonin, the hormone produced by the pineal gland in response to darkness, plays a key role in regulating the sleep-wake cycle through its actions on MT1 and MT2 receptors in the suprachiasmatic nucleus (SCN), the brain's master circadian pacemaker. MT1 receptor activation promotes sleep onset by inhibiting the SCN's wake-promoting neuronal firing, while MT2 receptor activation helps shift the phase of the circadian clock. Takeda developed ramelteon as a selective, high-affinity agonist of MT1 and MT2 receptors, with approximately 3 to 16 times higher affinity for these receptors than endogenous melatonin.
Unlike benzodiazepines and Z-drugs, ramelteon has no affinity for GABA-A receptors, opioid receptors, dopamine receptors, or other receptors associated with abuse potential. Clinical studies demonstrated that ramelteon does not produce tolerance, dependence, or rebound insomnia, and does not impair cognitive or psychomotor function at therapeutic doses. These properties made ramelteon the first prescription sleep aid without DEA scheduling requirements.
Takeda conducted clinical trials demonstrating ramelteon's efficacy in reducing sleep onset latency (the time to fall asleep) in patients with chronic insomnia. The pivotal trials showed that ramelteon 8 mg significantly reduced subjective and objective sleep onset latency compared to placebo, with a favorable safety and tolerability profile. The FDA approved Rozerem on July 22, 2005, for the treatment of insomnia characterized by difficulty with sleep onset in adults.
Rozerem is available as an 8 mg film-coated tablet taken within 30 minutes of bedtime. The drug is rapidly absorbed after oral administration, with peak plasma concentrations reached within approximately 0.75 hours. Ramelteon undergoes extensive first-pass metabolism in the liver, primarily by CYP1A2, producing an active metabolite (M-II) that also has MT1 and MT2 receptor agonist activity. The concurrent use of fluvoxamine, a potent CYP1A2 inhibitor, is contraindicated because it dramatically increases ramelteon exposure. Rozerem is also contraindicated in patients with severe hepatic impairment.
Following its US approval, Rozerem was also approved in Japan (as Rozerem) and in other markets. In Japan, Takeda also developed a ramelteon orally disintegrating tablet formulation for patients who have difficulty swallowing conventional tablets. Rozerem's unique mechanism and non-scheduled status differentiated it from existing sleep aids and supported its adoption in patients for whom controlled substances were undesirable or contraindicated.
The insomnia treatment landscape has continued to evolve since Rozerem's approval, with the introduction of suvorexant (Belsomra, Merck, FDA approved 2014) and lemborexant (Dayvigo, Eisai, FDA approved 2019), both orexin receptor antagonists that work by blocking the wake-promoting orexin system. These newer agents are also non-benzodiazepine sleep aids with different mechanisms from both Z-drugs and Rozerem, providing additional options for patients with insomnia.
About Takeda Pharmaceutical Company
What does Takeda make?
Takeda makes prescription pharmaceuticals across four therapeutic areas: gastroenterology (Entyvio, Dexilant), oncology (Ninlaro, Adcetris), neuroscience (Vyvanse, Trintellix, Rozerem), and rare diseases. The company also produces plasma-derived therapies including immunoglobulins and albumin.
Is Takeda publicly traded?
Yes, Takeda Pharmaceutical Company Limited is listed on the Tokyo Stock Exchange under ticker 4502 and on the NYSE as an ADR under ticker TAK. The company has a broad institutional and retail shareholder base with no single controlling shareholder.
Who founded Takeda?
Takeda was founded in 1781 in Osaka, Japan by Chobei Takeda, who established a business selling traditional Japanese and Chinese medicines. The company has been in continuous operation for more than 240 years, making it one of the world's oldest pharmaceutical companies.
Where is Takeda headquartered?
Takeda is headquartered in Tokyo, Japan. The company's global operations span more than 80 countries, with its largest market being the United States. Takeda also has major operations in Europe, Japan, and emerging markets.
How many employees does Takeda have?
Takeda employs approximately 50,000 people worldwide. The company's workforce is distributed across research and development, manufacturing, and commercial operations in more than 80 countries.
Who owns Takeda?
Takeda Pharmaceutical Company Limited is publicly traded on the Tokyo Stock Exchange and NYSE with a broad institutional and retail shareholder base. No single shareholder holds a controlling stake. Christophe Weber serves as President and CEO.
- Founded: 1781
- Headquarters: Tokyo, Japan
- Company Type: Publicly Traded
- Stock: Tokyo Stock Exchange: 4502
- Revenue: approximately JPY 4.0 trillion (FY2025)
- Employees: Approximately 50,000
Where Is Rozerem Made / Based?
- Headquarters: Tokyo, Japan
- Manufacturing / Operations: Japan, United States
Rozerem Sustainability & Ethics
Rozerem operates under Takeda's comprehensive sustainability framework, which encompasses pharmaceutical sustainability, environmental compliance, patient access programs, and sleep health education. As a prescription medication for insomnia treatment, Rozerem's sustainability considerations focus on responsible manufacturing, patient safety, ethical clinical development, and environmental stewardship in pharmaceutical production.
Pharmaceutical Sustainability: Takeda implements sustainable manufacturing practices for Rozerem and other pharmaceutical products, focusing on energy-efficient production processes, water conservation, and waste reduction at its manufacturing facilities in Japan and the United States. The company works to minimize the environmental footprint of pharmaceutical synthesis and tablet formulation while maintaining product quality and safety standards essential for prescription medications.
Environmental Compliance: Rozerem's manufacturing facilities comply with stringent environmental regulations for pharmaceutical production, including proper handling of chemical substances, waste management protocols, and emissions controls. Takeda maintains environmental management systems certified to ISO 14001 standards across its manufacturing sites, ensuring consistent environmental performance and regulatory compliance for this and other pharmaceutical products.
Patient Access Programs: Takeda operates comprehensive patient access programs for Rozerem to ensure that patients with insomnia can access this essential sleep medication regardless of their ability to pay. These programs include financial assistance, copay support, and patient education services. The Rozerem Access Solutions program helps eligible patients navigate insurance coverage and financial assistance options for insomnia treatment.
Sleep Health Education: Rozerem participates in sleep health education initiatives to improve public understanding of sleep disorders, insomnia treatment options, and the importance of healthy sleep hygiene. Takeda supports sleep medicine specialists, patient advocacy organizations, and healthcare provider education programs about circadian rhythm-based sleep treatments and the unique benefits of melatonin receptor agonist therapy.
Clinical Trial Ethics: Rozerem's development followed rigorous ethical standards for clinical research, including informed consent processes, independent data monitoring committees, and transparent reporting of clinical trial results. The clinical development program maintained high standards for participant safety and data integrity throughout the clinical development process for insomnia treatment.
Supply Chain Responsibility: Takeda maintains responsible supply chain practices for Rozerem, including quality assurance agreements with suppliers, ethical sourcing of raw materials, and temperature-controlled logistics to ensure product integrity. The company's supply chain management includes environmental considerations and social responsibility standards for all suppliers and partners.
Awards & Recognition
Rozerem has received significant recognition within the pharmaceutical and medical communities for its innovative mechanism of action and its pioneering status as the first non-scheduled prescription sleep aid.
FDA Innovation Recognition: Rozerem's FDA approval on July 22, 2005, as the first prescription sleep aid without DEA scheduling requirements received widespread recognition within the pharmaceutical industry. This approval was acknowledged as a significant achievement in developing sleep medications with improved safety profiles and reduced abuse potential compared to traditional hypnotics.
Mechanism of Action Innovation: Rozerem's development as a selective MT1 and MT2 melatonin receptor agonist has been recognized by sleep medicine and neuroscience organizations as an innovative approach to insomnia treatment. The drug's targeting of the circadian system's sleep-wake regulation rather than broad brain suppression has been acknowledged as advancing the scientific understanding of sleep physiology and pharmacology.
Sleep Medicine Leadership Achievement: Rozerem's introduction has been recognized as a leadership achievement in sleep medicine, providing physicians and patients with a new therapeutic option that addresses concerns about dependence and abuse potential associated with traditional sleep aids. The drug's unique mechanism has been acknowledged as expanding the therapeutic armamentarium for insomnia treatment.
Patient Safety Recognition: Rozerem's favorable safety profile, including the absence of next-day cognitive impairment and abuse potential, has been recognized by patient safety organizations and sleep medicine specialists. This safety profile has been acknowledged as addressing important patient safety concerns in insomnia treatment.
Regulatory Milestone Achievement: Rozerem's non-scheduled status represents a significant regulatory achievement that has been recognized by healthcare policy organizations and regulatory agencies. This status has been acknowledged as simplifying prescription processes and reducing administrative burdens for healthcare providers treating insomnia.
Clinical Research Excellence: The clinical development program for Rozerem, including the pivotal clinical trials that demonstrated efficacy and safety, has been recognized for methodological rigor and scientific contribution to sleep medicine research.
Rozerem Recalls & Controversies
Rozerem has maintained a generally favorable safety profile since its 2005 approval, though it has faced some challenges related to efficacy limitations, market competition, and regulatory considerations typical of prescription medications.
Efficacy Limitation Controversies: Rozerem's efficacy is primarily limited to reducing sleep onset latency (time to fall asleep) and does not significantly improve sleep maintenance insomnia (difficulty staying asleep). This limitation has been the subject of discussion among sleep medicine specialists and has led to questions about the drug's utility for patients with sleep maintenance insomnia, which is a common component of chronic insomnia disorders.
Competition from Generic Z-Drugs: The availability of inexpensive generic zolpidem, eszopiclone, and other Z-drugs has created significant price competition for branded Rozerem. This competition has been a challenge for Takeda's commercial performance and has led to questions about the value proposition of a more expensive brand with limited efficacy compared to cheaper alternatives.
Drug Interaction Concerns: Rozerem's contraindication with fluvoxamine (a potent CYP1A2 inhibitor) and requirement for caution in patients with hepatic impairment have created prescribing challenges. These drug interaction concerns limit the drug's use in some patient populations and require careful medication management and monitoring.
New Sleep Aid Competition: The introduction of orexin receptor antagonists (suvorexant/Belsomra, lemborexant/Dayvigo) has added new non-benzodiazepine, non-Z-drug options for insomnia treatment. These newer sleep aids compete with Rozerem's positioning as a non-scheduled alternative to traditional hypnotics, creating competitive pressure in the insomnia treatment market.
Price and Access Issues: As an ultra-luxury priced prescription medication, Rozerem has faced criticism regarding its high cost and access barriers for some patients. The medication's pricing has been subject to scrutiny from healthcare payers and patient advocacy groups, though Takeda's patient access programs aim to address some of these concerns.
Off-Label Use Concerns: Like many prescription medications, Rozerem has faced questions about off-label use and prescribing practices that may fall outside FDA-approved indications. These concerns include questions about appropriate patient selection and the balance between benefits and risks for off-label applications.
Perception Issues: Some healthcare providers and patients have questioned Rozerem's clinical utility given its modest effect size on sleep onset latency compared to more potent sleep aids. These perception issues have affected prescribing patterns and market adoption in some clinical settings.
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Rozerem Ownership: Pros & Cons
Advantages
- +Rozerem's mechanism as a selective MT1 and MT2 melatonin receptor agonist, which targets the circadian system's sleep-wake regulation rather than broadly suppressing brain activity through GABA-A receptor modulation, provides a physiologically targeted approach to sleep onset that avoids the cognitive and psychomotor impairment associated with benzodiazepines and Z-drugs
- +Rozerem's absence of abuse potential, dependence liability, and rebound insomnia, confirmed in clinical studies and reflected in its non-scheduled status as the first prescription sleep aid without DEA scheduling requirements, makes it a preferred option for patients with a history of substance use disorders or for whom controlled substances are contraindicated
- +The drug's favorable safety profile, including the absence of next-day cognitive or psychomotor impairment at therapeutic doses, supports its use in patients who require alertness for driving or operating machinery the morning after taking the medication
- +Rozerem's non-scheduled status eliminates the administrative burden of controlled substance prescribing requirements (such as prescription limits and refill restrictions), simplifying prescribing and dispensing for both physicians and pharmacists
- +Takeda's established relationships with sleep medicine specialists and primary care physicians treating insomnia support continued market access and physician awareness of Rozerem for appropriate patients
Considerations
- -Rozerem's efficacy is primarily limited to reducing sleep onset latency (the time to fall asleep) and does not significantly improve sleep maintenance (staying asleep through the night), limiting its utility in patients with sleep maintenance insomnia, which is a common component of chronic insomnia
- -The drug's modest effect size on sleep onset latency, while statistically significant, may be smaller than the effects of Z-drugs and benzodiazepines in some patients, potentially limiting its perceived clinical utility compared to more potent sleep aids
- -Rozerem's contraindication with fluvoxamine (a potent CYP1A2 inhibitor) and its requirement for caution in patients with hepatic impairment limit its use in some patient populations
- -Competition from inexpensive generic Z-drugs (generic zolpidem, generic eszopiclone), which are widely prescribed and priced at very low cost, creates significant price competition for branded Rozerem
- -The introduction of orexin receptor antagonists (suvorexant/Belsomra, lemborexant/Dayvigo) has added new non-benzodiazepine, non-Z-drug options for insomnia treatment that compete with Rozerem's positioning as a non-scheduled alternative to traditional sleep aids
Frequently Asked Questions About Rozerem
Sources & Further Reading
- Takeda Corporate Website
- Rozerem Prescribing Information
- FDA Rozerem Approval Package
- American Academy of Sleep Medicine Guidelines
- National Sleep Foundation
- Clinical Pharmacology of Ramelteon — Medical literature publications
- Sleep Research Society
Where to Buy
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No direct competitors found in the same category. This could be because Rozeremoperates in a unique market segment or we're still building our competitor database.
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