DEXDOR 100 micrograms/ml concentrate for infusion solution

Dr. Sviatoslav Chekhun is a medical oncologist with international clinical and research experience, specializing in modern medical oncology and a personalized approach to cancer treatment.

Currently (since 2025), he works as a Medical Oncologist at Institut Català d’Oncologia (Girona, Spain). Previously, he completed his residency in Medical Oncology and was involved in clinical research at Hospital Universitari Germans Trias i Pujol.

Dr. Chekhun has a strong academic and scientific background. He served as a lecturer in Internal Medicine at O.O. Bohomolets National Medical University and conducted research in experimental oncology at the R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology.

Earlier in his career, he worked as a medical oncologist at the Kyiv City Clinical Oncological Center and contributed to regulatory evaluation of medicinal products at the State Expert Center of the Ministry of Health of Ukraine.

When to consult Dr. Chekhun:

•  for diagnosis or clarification of a cancer diagnosis
•  to obtain a second opinion on an existing treatment plan 
•  when you need a personalized treatment strategy 
•  for interpretation of test results, CT, MRI, PET-CT, and biopsies 
•  when choosing between treatment options (chemotherapy, targeted therapy, immunotherapy) 
•  in case of doubts about treatment strategy or disease progression 

Consultation format

Dr. Chekhun provides online consultations, where you can receive:

•  expert second opinion 
•  detailed case review 
•  recommendations based on current international treatment guidelines 
•  personalized treatment and follow-up plan 

Important:
Prescription and monitoring of medications must be carried out by your treating physician in an in-person (offline) setting. An online consultation does not replace a face-to-face visit but helps you make more informed decisions about your treatment.

Dr. Sviatoslav Chekhun combines clinical practice, research, and international experience, enabling him to provide patients with modern, evidence-based approaches in oncology.

Dr Anastasiia Hladkykh is a physician-psychotherapist and psychologist with over 14 years of experience working with individuals struggling with various types of addictions and their families. She provides online consultations for adults, combining medical knowledge with deep psychological support and practical tools.

Key areas of expertise:

• Addiction treatment: alcohol and drug dependence, gambling addiction, compulsive behaviours, codependent relationships.
• Support for families of addicted individuals, behavioural correction within the family system, guidance for maintaining remission.
• Mental health: depression, bipolar disorder, obsessive-compulsive disorder (OCD), anxiety disorders, phobias, PTSD, generalised anxiety, emotional trauma, and the psychological impact of loss or emigration.
• Psychoeducation: explaining complex mental health concepts in simple language, helping patients and their families understand diagnoses and treatment steps.

• Client-centred, straightforward, and empathetic – focused on practical outcomes and emotional stabilisation.
• Prescribes medications when needed, but always aims to minimise unnecessary pharmaceutical use.
• Certified in multiple evidence-based methods: CBT, NLP (Master Practitioner), Ericksonian hypnosis, symbol drama, art therapy, and systemic therapy.
• Each consultation results in a clear, structured plan – patients leave knowing exactly what to do next.

• Member of the German association Gesundheitpraktikerin and the NGO “Mit dem Sonne in jedem Herzen.”
• More than 18 publications in international peer-reviewed journals, translated into several languages.
• Volunteer work with Ukrainian refugees and military personnel at the University Clinic of Regensburg.

Dr Maria Martelli is a medical doctor specialising in anaesthesiology and pain medicine. She provides online consultations for adults, focusing on the assessment and management of acute, chronic, and complex pain conditions, as well as supportive care in serious illness. She graduated from the Medical University of Silesia in Katowice and completed her specialisation in Anaesthesiology and Intensive Care. Alongside hospital work, she has extensive experience in home and inpatient hospice care, supporting patients with severe pain and advanced disease. Since 2021, she has been a certified specialist and continues to work in anaesthesiology, intensive care, and pain treatment. Patients consult her for: 

• Chronic pain lasting more than 3 months (musculoskeletal, neuropathic, mixed pain).
• Acute pain requiring medical assessment and treatment planning.
• Post-operative pain and recovery support.
• Cancer-related pain and symptom relief.
• Palliative care support and quality-of-life improvement.
• Adjustment and optimisation of pain medication.
• Second opinions for complex or treatment-resistant pain.

Dr Martelli takes a structured, evidence-based approach, carefully analysing symptoms, previous treatments, and overall health status. Her consultations focus on realistic pain control goals, safety of therapy, and improving daily functioning. She is especially attentive to patients living with long-term pain or serious illness, providing clear explanations, compassionate guidance, and medically sound recommendations adapted to each individual situation.

Dr. Mar Tabeshadze is a licensed endocrinologist and general practitioner in Spain. She provides online consultations for adults, offering medical support for a wide range of endocrine conditions and related health concerns.

• Diagnostic consultations for suspected endocrine disorders
• Management of thyroid conditions, including in pregnant women
• Early detection and treatment of type 1 and type 2 diabetes, with personalised therapy plans
• Obesity treatment: identifying underlying causes of weight gain, combining medication and non-pharmacological strategies, and long-term support
• Diagnosis and treatment of endocrine-related skin, hair, and nail issues
• Ongoing care for patients with osteoporosis, pituitary, and adrenal gland disorders

Dr Daria Portnova is a psychiatrist and psychotherapist with over 30 years of clinical experience. She works with adults and adolescents aged 14 and over, providing online psychiatric and psychotherapeutic consultations. In her practice, Dr Portnova supports patients facing the onset of mental health conditions, chronic psychiatric disorders, psychotic symptoms, trauma-related states, and complex emotional crises. Her work is structured and safety-focused, with an emphasis on stabilisation, accurate diagnosis, and long-term improvement in quality of life. Patients consult Dr Daria Portnova for the following concerns: 

• existential crises and complex life situations;
• loss, grief, and emotional exhaustion;
• relationship difficulties, separation, and divorce;
• psychological and psychiatric trauma, including complex PTSD (cPTSD);
• anxiety disorders: generalised anxiety disorder and panic disorder;
• social anxiety and social phobia;
• obsessive-compulsive disorder (OCD);
• sleep disorders;
• depressive disorders;
• bipolar affective disorder;
• schizoaffective disorder;
• schizophrenia;
• personality disorders.

Dr Portnova combines psychiatric assessment with a psychotherapeutic approach. She works with evidence-based methods, including cognitive behavioural therapy (CBT) and third-wave approaches such as ACT, FACT, and CFT. Consultations are focused on clear clinical understanding, practical recommendations, and ongoing support over time.

Dr. Bulat Garipov is a radiologist with more than 15 years of experience, specializing in magnetic resonance imaging (MRI). Throughout his professional career, he has worked in leading diagnostic imaging centers, both in on-site practice and teleradiology, which has allowed him to develop a broad and versatile approach to radiology.

Over the years, he has gained solid experience in interpreting MRI studies in various areas, including:

•  Neuroimaging
•  Musculoskeletal system (MSK)
•  Angiography
•  Abdomen and pelvis
•  Soft tissues

Additionally, Dr. Garipov is open to new collaboration opportunities in radiology and teleradiology projects. He offers his expertise in MRI, providing both first and second readings of studies, as well as advanced image interpretation, ensuring accurate and high-quality diagnostics.

You could consult Dr. Bulat Garipov in cases where accurate interpretation of MRI studies or a second expert opinion is required. His expertise is especially valuable in cases of suspected neurological conditions, back and joint pain, vascular disorders, as well as in the diagnosis of abdominal and pelvic diseases. The doctor also provides support in complex or unclear clinical situations, including the review of previously performed studies, which helps improve diagnostic accuracy and determine the optimal treatment strategy. A teleradiology format is available, allowing you to receive a professional opinion remotely.

Dr. Germán Picciochi is a medical specialist in psychiatry and neuropsychiatry, with professional practice starting in 2010. He also has training in legal medicine and forensic psychiatry, which allows him to approach each case from a comprehensive clinical and forensic perspective.

He holds postgraduate training in psychoneuroimmunoendocrinology, cognitive-behavioral therapies, and cognitive neuroscience. His approach is based on a comprehensive patient assessment, combining up-to-date clinical knowledge with evidence-based therapeutic tools.

Dr. Picciochi works in the diagnosis and treatment of various mental disorders, offering a professional, structured, and individualized approach tailored to each patient’s needs.

In which cases can Dr. Picciochi help you?

You may consult this specialist if you experience:

• Anxiety, stress, or panic attacks
•  Depression and mood disorders
•  Sleep disorders (insomnia, frequent awakenings)
•  Behavioral disorders and emotional difficulties
•  Memory or concentration problems
•  Complex situations requiring a holistic mind-body approach

Dr. Roman Raevskii is a licensed general practitioner in Spain, offering online medical consultations with a strong focus on prevention, early diagnosis, and personalized care. He combines evidence-based clinical expertise with a patient-centered approach to deliver comprehensive support.

Dr. Raevskii provides medical care in the following areas:

• Diagnosis and management of common conditions: hypertension, diabetes, respiratory and digestive disorders.
• Oncological consultations: early cancer detection, risk evaluation, and treatment navigation.
• Supportive care for oncology patients – pain control, symptom relief, and side effect management.
• Preventive medicine and health screenings.
• Development of tailored treatment plans based on clinical guidelines.

With a patient-centred approach, Dr. Raevskii helps individuals manage both chronic illnesses and complex oncological cases. His consultations are guided by current medical standards and adapted to each patient’s needs.

Dr Sergey Ilyasov is an experienced neurologist and qualified psychiatrist who provides online consultations for adults and adolescents. Combining deep neurological expertise with a modern psychiatric approach, he ensures comprehensive diagnostics and effective treatment for a wide range of conditions affecting both physical and mental health.

Dr. Ilyasov helps patients in the following cases:

• Chronic headaches (migraine, tension-type headache), back pain, neuropathic pain, dizziness, numbness in limbs, coordination disorders.
• Anxiety disorders (panic attacks, generalized anxiety disorder), depression (including atypical and treatment-resistant forms), sleep disturbances (insomnia, hypersomnia, nightmares), stress, burnout.
• Chronic pain syndromes and psychosomatic symptoms (e.g., irritable bowel syndrome related to stress, vegetative-vascular dystonia).
• Behavioral disorders and concentration difficulties in adolescents (including ADHD, autism spectrum disorders), nervous tics.
• Memory impairments, phobias, obsessive-compulsive disorder (OCD), emotional swings, and support for post-traumatic stress disorder (PTSD).

Thanks to his dual specialization in neurology and psychiatry, Dr Sergey Ilyasov offers integrated and evidence-based care for complex conditions requiring a multidisciplinary approach. His consultations focus on accurate diagnosis, development of an individualized treatment plan (including pharmacotherapy and psychotherapeutic methods), and long-term support adapted to each patient's unique needs.

Book an online consultation with Dr. Sergey Ilyasov to receive qualified assistance and improve your well-being today.

Taisiia Proida is a general practitioner with a specialization in mental health and a cognitive behavioral therapist (CBT), a member of the European Psychiatric Association. She offers online consultations for adults aged 18 and over, combining evidence-based medicine with an individualised approach to mental health care. She specialises in consultations and ongoing support for a wide range of mental health concerns, including: 

• Mood disorders: depression, bipolar disorder, postpartum depression.
• Anxiety disorders: generalised anxiety, OCD, panic attacks, phobias.
• Post-traumatic stress disorder (PTSD) and complex PTSD.
• Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD). Assessment is provided only after an initial psychiatric evaluation and during a follow-up appointment.
• Personality disorders and emotional instability.
• Cyclothymia and mood fluctuations.
• Schizophrenia spectrum and related conditions.

Dr. Proida combines clinical expertise with an empathetic approach, offering structured support based on evidence-based practices. Her work integrates CBT techniques with medical management, with a focus on anxiety and depressive disorders. She works with clients from different countries and cultural backgrounds, adapting her communication style and recommendations to individual needs. With experience in international clinical trials (Pfizer, Merck), she values clarity, trust, and collaborative partnership in patient care.