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This review examines the potential of swellable microneedles in drug delivery and diagnostics, highlighting innovations and challenges in their use for chronic disease treatment, but noting that issues like physiological responsiveness and long-term stability still require research.

This special journal issue reviews various uses of injectables in aesthetic medicine, including treatment innovations with neuromodulators and dermal fillers, but reports no new empirical findings.

This review highlights the various nonmedical uses of anabolic androgenic steroids and associated polypharmacy, suggesting that preventing their abuse should be a public health priority, but it reports no new findings.

This review detailed the types and mechanisms of injectable "skin boosters" and evaluated their effectiveness and safety for mitigating age-related skin changes, providing insight into their use in contemporary dermatological practice.

This study found that adverse effects from hormonal contraception were more common and severe with progestin-only injections compared to estradiol levonorgestrel combination pills.

This study reported that a subcutaneous injection formulation using PLGA microspheres to release finasteride stably achieved sustained monthly drug delivery without burst release in beagle dogs, with a dose of 16.8 mg identified as optimal for potential first-in-human trials.

This review discusses the potential of microneedles as a pain-free drug delivery method that improves medication distribution while addressing issues associated with traditional transdermal formulations.

This study found that injectable finasteride microspheres provided a sustained drug release with a minimal initial burst in albino rabbits compared to oral suspension.

This study estimated the starting dose range for a finasteride long-acting injectable formulation in humans, suggesting that 16.80 mg may be the optimal starting dose.

This collection from the 2021 Manfred Donike Workshop outlines advancements in doping detection, highlighting new test methods and challenges, with a focus on steroidal substances, peptide hormones, and gene doping analysis.

This study analyzed the professional backgrounds of 4,405 aesthetic practitioners in the UK, revealing that 32% are doctors, 24% are dentists, and 13% are nurses, with significant representation from plastic surgery and dermatology among specialists.

This review discusses the advantages, applications, and current trends of dissolving microneedles for drug delivery across various therapeutic areas and reports no new clinical results.

This review highlights the potential of microneedles as a pediatric-friendly method for delivering proteins, vaccines, and diagnostics transdermally, noting their ability to penetrate the skin's barrier and suggesting future applications in other parts of the body.

This source explores injectable minoxidil as a hair loss treatment, noting its enhanced bioavailability but also the potential for adverse effects and higher costs compared to other formulations, with a call for further research on its efficacy and access relative to alternatives.

This paper reviews the state of knowledge on injectable cryogels, highlighting their unique properties such as shape-memory and mechanical integrity, which allow for minimally invasive delivery via needles and potential applications in oncology and regenerative medicine.

This report discusses the FDA's rejection of Aveed, a long-acting testosterone injection, due to safety concerns despite divided advisory committee opinions, without presenting new clinical data.

A 2 mm needle is effective and precise for skin injections.

This study found that several synthesized compounds were potent inhibitors of human steroid 5alpha-reductase type 2 and reduced prostate weights in treated rats, with compound 15 showing promise for potency in humans.

This study presents a rapid method for detecting multiple xenobiotics in urine, effectively identifying 45 compounds banned in sports with detection limits below WADA's performance levels.

This article highlights the need for a comprehensive review of injectable minoxidil for hair loss, as existing treatments primarily focus on topical and oral forms of the medication.

In this study, transdermal application of anabolic steroids demonstrated rapid and extended detectability in urine, suggesting potential implications for doping control considerations.

The committee unanimously voted against recommending approval of the injectable cisplatin/epinephrine gel IntraDose for certain head and neck cancer patients, citing insufficient clinical benefit and concerns about toxicity in this study.

This review explores the potential, challenges, and recent advancements of dissolving microneedles in drug delivery, summarizing their varied applications and current limitations without providing new clinical results.

This study observed that dissolving microneedles made from PVP-K90 and HPMC E50, incorporating Oryza sativa L. extract complex, showed enhanced transfollicular skin penetration and maintained safety for keratinocytes, with the P25H5 formulation demonstrating faster dissolution and greater effectiveness.

This article introduces a needleless microjet injector using laser pulse energy for tattoo pigments in scalp micropigmentation, highlighting an almost painless procedure without anesthesia.

This study found that intralesional triamcinolone acetonide injections using a needleless injector led to rapid hair regrowth in patients with limited alopecia areata, while lasting growth was rare in alopecia totalis.

This article reports that cocaine injections can lead to skin lesions containing talc crystals at the sites of injection.

This narrative review discusses the role of injectable biomaterials in dental tissue regeneration, highlighting their suitability for treating small, hard-to-access oral defects compared to pre-formed scaffolds, and explores the potential use of nanofibers in dental applications.