Described herein is a treatment comprising the following step: (a) injecting a therapeutically effective amount of a pharmaceutical composition into the celiac artery of an individual, wherein the pharmaceutical composition reverses recent onset Type 1 Diabetes (T1D). Also described is a method for identifying an individual who will be responsive to this treatment. In addition there is described a device containing the pharmaceutical composition for injecting the pharmaceutical composition into the celiac artery.

Methods and compositions for treatment of pain, mood, or for the treatment of opiate withdrawal symptoms with the modulation of systemic beta-endorphin levels by the topical administration of cAMP elevating agents and/or dermal exposure to ultraviolet (UV) irradiation.

A composition and method for treatment and protecting against influenza that includes bioactive Substance P and/or its analogs. The composition agents can be administered via inhalation therapy, intravenously, intramuscularly, sublingually, or by other methods.

Methods are provided for promoting, reducing, or desensitizing various immune responses by delivery of sub-immunogenic doses of an allergen, alone or with other agents, or by delivery of antigens and adjuvants to a cutaneous microenvironment of a subject. Microneedle arrays can be used in connection with this delivery.