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This study found that 18 mg melatonin implants did not significantly prevent recurrence of canine flank alopecia compared to placebo in dogs, though the treatment was well-tolerated, with no evidence of improved efficacy.

This study observed that subcutaneously implanted mixtures of human hair follicle cells in nude mice resulted in the formation of hair follicle-like structures, suggesting potential for hair regeneration.

This study observed significant inter- and intra-individual variability in serum testosterone levels among women treated with subcutaneous testosterone implants, suggesting that therapy should be guided by clinical response rather than single serum measurements.

In this study, a single deslorelin acetate implant led to substantial and sustained hair regrowth in two sexually intact male keeshonden with hair cycle arrest.

This review discusses the controversial cardiovascular safety and efficacy of subcutaneous testosterone therapy in postmenopausal women, noting that its long-term use appears safe, but CV risk assessments remain disputed.

This study found that keratin scaffolds derived from human hair promoted excellent cell viability and showed minimal inflammatory response and vascular integration when tested in in vitro and in vivo settings.

This narrative review concludes that long-term randomized controlled trials are needed to establish clear guidelines for testosterone therapy in women, given the lack of FDA-approved formulations and the variable quality of current treatments.

This study found that biodegradable hydrogels loaded with various growth factors significantly enhanced hair follicle growth and blood vessel formation in mice, demonstrating a positive effect on their hair growth cycle.

This case report details a 77-year-old man with Parkinson's disease and androgenic alopecia who underwent deep brain stimulation surgery, involving frontal scalp incisions and subcutaneous wire tunneling.

In this study using rat models, researchers found that subcutaneously implanted non-de-epithelialized flaps maintained persistent epidermal components, leading to potential complications, whereas de-epithelialized flaps showed gradual regression of remaining skin elements, lowering complication risks over time.

This study found that murine epidermal stem cells implanted subcutaneously in a biodegradable carrier could survive and differentiate into structures resembling native dermis without significant rejection in recipient mice.

This study found that hair with lower levels of keratin associated proteins reduced the foreign body response in mouse subcutaneous implant tests compared to hair with higher keratin levels.

This review discusses the complications of subcutaneous contraception and emphasizes the importance of adequately counseling patients on potential side effects to aid informed decision-making; however, it reports no new clinical results.

This review examines emerging and past therapies for recurrent implantation failure, focusing on three innovative strategies: PBMC, G-CSF, and PRP, but reports no new clinical results.

Melatonin improved sheep reproduction, being more beneficial and cost-effective in males.

This study suggests that supplementing with a cell-free fat extract might enhance embryo development and improve clinical outcomes in older women experiencing in vitro fertilization failure.

This study observed that deslorelin acetate implants reduced sexual activity and improved coat quality in a German Spitz dog with alopecia X, suggesting its potential as a less invasive and reversible treatment for managing reproductive function and this dermatopathy.

This study found that combining intra-arterial chemotherapy with Traditional Chinese Medicine may improve response rates in malignant bone and soft tissue tumor treatment while also managing specific side effects.

In this study, co-administering adipose-derived stem cells with platelet-rich plasma reduced radiation therapy-induced skin and hair follicle damage in mice, suggesting potential for clinical application.

This study found that hair follicle stem cells show good biocompatibility with a heterogeneous bladder acellular matrix in vitro and in vivo, supporting potential use in bladder repair.

This study found that the controlled release of specific growth factors from biodegradable hydrogels significantly enhanced hair follicle growth and hair shaft length in mice compared to growth factors in solution.

This study found that an injectable ceria-based nanocomposite hydrogel improved wound healing and epithelium regeneration, including hair follicle and adipocyte tissue formation, in full-thickness skin wound models.

This study found that fiber implantation for pattern baldness frequently led to complications, including infection and scarring, and poses carcinogenesis risks, leading authorities to discourage its use.

This study concluded that an endogenous circannual rhythm of prolactin secretion in mouflon influences their seasonal hair growth and moulting cycle, which varies under different photoperiodic and melatonin treatments.

This literature review of hormonal implants in Brazil highlights their expanding usage beyond contraceptive and hormone replacement purposes, noting aesthetic desires like muscle mass gain. However, significant side effects such as cardiovascular events and psychological complications are frequently reported, potentially outweighing the benefits.

This study found that melatonin implants advanced the timing of the spring moult and increased hair follicle activity in adult cashmere goats, but had no significant effects on juvenile goats.

This review concluded that for women, the benefits of testosterone implants are outweighed by risks, with possible higher rates of irreversible adverse effects than previously reported.

This case report from The Journal of Dermatology describes an instance of infective endocarditis linked to implanted artificial hair pyoderma, with no new generalizable results reported.

This study found that polycaprolactone (PCL) in facial fillers led to more cell proliferation and vascular activity than hyaluronic acid (HA) in Wistar rats, suggesting enhanced tissue regeneration effects with PCL.

This study found that using retroauricular full-thickness skin grafts in vestibuloplasty contributed to successful cosmetic and functional outcomes in dental implant rehabilitation for patients with mandibular gunshot injuries.