Autism · Stem cells & exosomes · Istanbul

Stem Cell and Exosome Therapy for Autism: Why Families Choose Our Combined Protocol in Istanbul

Every parent of a child with autism wants to give their child the best possible chance to communicate, connect and grow. Many families now add stem cell and exosome therapy to their child’s care. In Istanbul we combine four routes in a single hospital day: fresh Wharton’s jelly stem cells given intrathecally and by IV, and Wharton’s jelly exosomes given by IV and as a nasal spray. This guide explains why we do it, what published studies report, and what the treatment and price include.

A smiling boy builds with colourful blocks next to his parents while a nurse plays with him in a bright Istanbul clinic room overlooking the water
What we use
Fresh Wharton’s jelly stem cells + exosomes
Four routes
Intrathecal + IV stem cells; IV + nasal exosomes
Cell dose
1–2 million cells per kg of body weight
Ages
From 2; best results under 13; older patients too
In Istanbul
1 day in hospital, at least 3 nights’ stay
Price
EUR 8,000–15,000, hotel and transfers included

Given alongside your child’s speech, behavioural and occupational therapy, never instead of it.

01

Autism in brief: what families are facing

Autism spectrum disorder (ASD) is a difference in how the brain develops. It shapes how a child communicates, relates to other people and experiences the world, and it often comes with repetitive behaviours, strong routines and sensitivity to sound, light or touch. No two autistic children are alike, which is why it is called a spectrum.

The three levels of autism

Doctors describe autism by how much support a child needs in daily life (the DSM-5 levels):

  • Level 1Needs supportSpeaks, but social communication takes effort; changes of routine are hard
  • Level 2Needs substantial supportLimited speech or social contact; repetitive behaviours are easy to notice
  • Level 3Needs very substantial supportLittle or no speech; daily life depends on close care

How common is autism today?

In the United States, 1 in 31 eight-year-olds was identified with autism in 2022 data from the CDC.1 The World Health Organization estimates that about 1 in 127 people worldwide had autism in 2021.2

What we know about the causes

Genes play the largest part, together with influences before birth. Researchers have also found signs of an active immune response in the autistic brain: in brain tissue, the immune cells of the brain (microglia) and its support cells (astrocytes) were activated, and inflammatory signals were raised in the spinal fluid.3 This finding is one of the main reasons cell therapies that calm inflammation are studied in autism.

Therapy comes first, and stays

Speech therapy, behavioural therapy such as ABA, and occupational therapy are the foundation of autism care. Stem cell and exosome therapy is added to them, so your child continues these therapies before and after treatment.

02

Why parents choose stem cell therapy for autism

Parents who come to us have usually done everything they can: therapy several times a week, special diets, school support. They see their child making progress and want to give that progress more support. Families tell us they choose stem cell and exosome therapy for four reasons:

  1. It works on a different level

    Therapy trains skills. Stem cells and exosomes work on the biology behind them, by calming inflammation and supporting the developing brain.

  2. Published studies report progress

    Children in clinical studies improved on autism rating scales, social responsiveness and daily-living skills after cell therapy.4567

  3. The brain is still developing

    Young brains change fast. Many parents want to act during these years, and studies report the largest improvements in younger children.131416

  4. It is available now

    In Istanbul, families can receive treatment in one hospital day, without waiting for a place in a research study.

What parents hope for differs from child to child: more words and longer sentences, better eye contact, more interest in other children, calmer behaviour, longer attention, better sleep. We talk through your goals for your child before anything is planned.

03

How do stem cells and exosomes help children with autism?

Mesenchymal stem cells (MSCs) do not work by turning into new brain cells. They work by sending signals: proteins and genetic messages that calm inflammation, balance the immune system and support the cells around them. Many of these signals travel in exosomes, tiny packages the stem cells release. Three effects are studied most.

  1. Calming inflammation

    In mouse models of autism, MSC exosomes lowered inflammatory signals (IL-1, TNF-α, IL-6) and raised the calming signal IL-10.20

  2. Balancing the immune system

    Wharton’s jelly stem cells suppress overactive immune cells in the laboratory.28 In children with signs of immune imbalance, IV cord blood cells improved social responsiveness compared with placebo.6

  3. Supporting brain activity

    In studies of intrathecal cell therapy, PET brain scans after treatment showed improved brain metabolism.1314

In mice with autism-like traits, exosomes from stem cells given as a nasal spray improved social behaviour and communication and reduced repetitive behaviours.181931 Read more about how our exosome therapy works.

04

Why we use fresh Wharton’s jelly stem cells

Wharton’s jelly is the soft, gel-like tissue inside the umbilical cord. It is one of the richest sources of young mesenchymal stem cells, and it is collected from cords donated after healthy births, so nothing is taken from your child.

Cutaway of an umbilical cord: two arteries spiral around one vein inside translucent Wharton’s jelly, the tissue our stem cells come from
Wharton’s jelly surrounds the vessels of the umbilical cord.
  • Donated cordvsBone-marrow harvest from your child
  • Newborn cellsvsAdult cells
  • Fresh, never frozenvsFrozen and thawed
  • No matching neededvsDonor matching
  • Nothing harvested from your child. Many autism studies used the child’s own bone marrow, which means a bone-marrow collection under general anaesthesia before treatment.511 Wharton’s jelly cells come from a screened donor.
  • Young, vigorous cells. In side-by-side laboratory tests, Wharton’s jelly cells grew faster and showed signs of ageing later than adult cells from fat tissue.29
  • No matching needed. Wharton’s jelly cells lack the immune markers that trigger rejection.28
  • Fresh, never frozen. In a study from the Karolinska Institute, stem cells used straight after thawing had weaker immune-calming properties than freshly harvested cells; in patients treated for a different immune condition, the response rate was 100% with fresh cells against 50% with frozen-and-thawed cells.27 Our cells are prepared fresh for your child’s treatment date.

Our laboratory: our stem cells and exosomes are prepared in a laboratory approved by the Turkish Ministry of Health and certified to GMP (Good Manufacturing Practice) standards. Cell count and viability are checked before every treatment.

How much? 1–2 million cells per kilogram

The dose follows your child’s body weight: usually 1 to 2 million stem cells per kilogram. Published studies used the same range. In the Istanbul case report, the child received Wharton’s jelly stem cells at 1 million per kilogram by each route;8 the Chinese trial that combined IV and intrathecal delivery used 1 million umbilical cord stem cells per kilogram;4 and the Duke University study gave 2 million cord tissue stem cells per kilogram.9

Stem cell dose by body weight (1–2 million cells per kg)
Child’s weight15 kg20 kg30 kg40 kg
Stem cells15–30 million20–40 million30–60 million40–80 million

05

Why we combine intrathecal and IV stem cells with IV and intranasal exosomes

The brain is protected by the blood–brain barrier, which keeps most substances in the blood out of it. That is good for health, but it also means that cells given only into a vein mainly act on the body and the immune system. To reach both the body and the brain, we give stem cells and exosomes by four routes, all on the same day.

Illustration of a seated child showing the four routes: a golden exosome mist entering the nose towards the brain, a glowing spinal fluid channel along the spine, and an IV line in the arm feeding the bloodstream
Nose to brain, spinal fluid and bloodstream: how the four routes reach the body and the brain (illustration).
  1. Stem cells

    1. Intrathecal infusion

    Into the spinal fluid around the brain and spinal cord

    Fresh stem cells are infused through a very fine needle in the lower back, into the cerebrospinal fluid, while your child is under light sedation. The fluid carries the cells towards the brain, so they bypass the blood–brain barrier. Intrathecal delivery is used in many published autism studies with positive results, including a 2025 randomised trial.511121314 Autism Stem Care has a step-by-step guide to intrathecal administration.

  2. Stem cells

    2. IV infusion

    Through the bloodstream to the immune system

    Stem cells given into a vein circulate through the body, where they meet the immune system. In a double-blind trial, children with autism and signs of immune imbalance improved in social responsiveness after four IV infusions of cord blood cells, compared with placebo.6

  3. Exosomes

    3. IV exosomes

    Signals that travel with the cells

    Exosomes carry the same anti-inflammatory signals as the stem cells, without living cells. Given through the same drip, they add these signals throughout the body. In autism models, MSC exosomes reduced inflammation and improved social behaviour.20

  4. Exosomes

    4. Intranasal exosomes

    The nose-to-brain pathway

    At the top of the nose, the nerves of smell lead directly to the brain. In animal studies, cells and exosomes sprayed into the nose reached the brain along this pathway,21 and in mice with autism-like traits, labelled exosomes gathered in the affected brain regions for up to four days.22

The four routes at a glance
RouteWhat is givenWhere it actsWhat your child experiences
IntrathecalFresh Wharton’s jelly stem cellsBrain and spinal cord, through the spinal fluidA short procedure under light sedation
Intravenous (IV)Fresh Wharton’s jelly stem cellsImmune system and whole bodyA drip, like a routine infusion
IV exosomesWharton’s jelly exosomesWhole bodyGiven through the same drip
IntranasalWharton’s jelly exosomesBrain, through the noseA few painless sprays into the nose

Why all four on one day?

One hospital day means one visit, one sedation and less travel for your child. Published work supports combining routes. In a Chinese study, children who received cord cells by IV and intrathecal routes, with umbilical cord stem cells added, improved most on CARS.4 In the Istanbul case, Wharton’s jelly stem cells were given intrathecally and by IV in every session.8 Exosome nasal sprays are given on the treatment day, and extra sprays can be added to your plan.

06

What the research shows: published studies of stem cell therapy for autism

Researchers measure progress in autism with rating scales. The most common is CARS (Childhood Autism Rating Scale): a lower score means milder autism features. The chart shows the two controlled studies closest to our protocol, both using intrathecal delivery.

Improvement in CARS autism score: with and without cell therapy

IV + intrathecal cord cells and umbilical cord stem cells, with rehabilitation, 24 weeks4

−17.1 points with cell therapy
−5.9 with rehabilitation alone

Intrathecal cells with education, 12 months, randomised5

−5.9 points with cell therapy
−1.5 with education alone
Sources: Lv 2013 (37 children; the group shown received cord blood cells plus umbilical cord stem cells) and Nguyen 2025 (50 children, randomised). Same scale for both studies.

Controlled studies

  • China, 2013: 37 children. Both treated groups improved more than children who had rehabilitation alone on CARS, the Aberrant Behavior Checklist and clinicians’ global ratings at 24 weeks, with the largest gains in the group that also received umbilical cord stem cells.4
  • Vietnam, 2025 (randomised): 50 children aged 3 to 7. After intrathecal cells with education, 48% fewer children were at the most severe level of autism, against 8% with education alone. CARS fell by 5.9 points against 1.5, and daily-living skills (Vineland) rose by 8.5 points against 1.4.5
  • China, 2026 (double-blind, placebo-controlled): 34 children aged 3 to 8 with signs of immune imbalance. Four IV infusions of cord blood cells led to a greater improvement in social responsiveness (SRS-2) than placebo, especially in social understanding.6
  • Russia, 2021: 25 children. After four IV infusions of cord blood cells, thinking skills and autism symptom scores (including ATEC) improved more than in the comparison group over 6 months.15
  • Romania, 2025: children aged 3 to 7 improved more after their own cord blood than after individual supplements (23 of 28), including speech and social skills on ATEC.16

The 2022 meta-analysis

A meta-analysis pooled five controlled studies with 325 children. With stem cells, CARS scores fell by about 6 points more than in the comparison groups (−5.96), and the rate of side effects did not differ significantly from the comparison groups.7

Studies with umbilical cord stem cells

  • Istanbul, 2025: a 4-year-old received six sessions of Wharton’s jelly stem cells, intrathecally and by IV, with rehabilitation. CARS fell from 37 to 31, with clear gains in language and gross motor skills, and no serious side effects over 2 years.8
  • Duke University, USA, 2020: 12 children aged 4 to 9 received IV umbilical cord tissue stem cells; 6 of the 12 improved on at least two autism measures.9
  • Duke University, 2017: 25 young children improved in social communication, vocabulary and attention to social scenes after an infusion of their own cord blood, mostly within the first 6 months.10

Studies with intrathecal cell therapy

  • Vietnam, 2021: 30 children with severe autism. Over 18 months, CARS fell from a median of 50 to 46.5 and Vineland scores rose from 53.5 to 60.5, with better social communication, language and daily skills and less hyperactivity.11
  • India, 2013, 2020 and 2026: intrathecal cells with rehabilitation in 32, 254 and 1,011 patients. Scores on the autism scales ISAA and CARS improved significantly, with better results in younger patients and after more than one dose, and PET scans showed improved brain metabolism.121314

Exosomes: from the laboratory to the first families

Exosome therapy is the newest part of our protocol. In mice with autism-like traits, nasal exosomes from stem cells improved social behaviour, increased vocal communication and reduced repetitive behaviours in several studies, and a recent review of these studies confirmed the pattern.18192031 The first published human case describes a boy with severe autism treated with IV stem cells, with nasal exosomes added in later courses: his autism symptoms, social skills and emotional expression improved steadily.17 A clinical study of umbilical cord stem cell exosomes in children aged 3 to 7 is now recruiting in China.32

Published studies that report benefit
StudyCells and routePatientsWhat improved
Lv 2013 4Cord blood cells + umbilical cord MSCs, IV + intrathecal37, controlledCARS, behaviour (ABC), global ratings (CGI)
Nguyen 2025 5Own bone-marrow cells, intrathecal50, randomisedCARS −5.9 vs −1.5; Vineland +8.5 vs +1.4
Zhang 2026 6Cord blood cells, IV ×434, double-blindSocial responsiveness (SRS-2) vs placebo
Smirnov 2021 15Cord blood cells, IV ×425, controlledThinking skills, ATEC
Stancioiu 2025 16Own cord blood, IV28 analysed, crossoverATEC, including speech and social skills
Kabatas 2025, Istanbul 8Wharton’s jelly MSCs, intrathecal + IV1, case reportCARS 37 → 31; language and motor skills
Sun 2020, Duke 9Umbilical cord tissue MSCs, IV12, open6 of 12 improved on 2+ autism measures
Dawson 2017, Duke 10Own cord blood, IV25, openSocial communication, vocabulary
Nguyen Thanh 2021 11Own bone-marrow cells, intrathecal30, openCARS 50 → 46.5; Vineland 53.5 → 60.5
Sharma 2026 14Own bone-marrow cells, intrathecal1,011, observationalISAA and CARS; brain metabolism on PET
Gesundheit 2025 17Cord and placenta MSCs, IV; nasal exosomes added1, case reportAutism symptoms, social skills, emotional expression

Every child responds in their own way, and studies use different scales, cells and doses. That is why we assess each child individually and agree goals with you before treatment.

07

Results families look for, and how progress is measured

The changes parents look for most are in communication and speech, eye contact and interest in others, behaviour and attention, sleep and daily skills. In studies, these were measured with the scales below, from about 3 months after treatment, with results reported at 6 to 12 months.51011

CARS
Childhood Autism Rating Scale, scored by a clinician. Lower is better.
ATEC
Autism Treatment Evaluation Checklist, filled in by parents: speech, sociability, senses and health. Lower is better.
Vineland
Daily-living, communication and social skills. Higher is better.
SRS-2
Social Responsiveness Scale. Lower is better.
CGI
Clinical Global Impression: the doctor’s overall rating of severity and change.
ABC
Aberrant Behavior Checklist: irritability, hyperactivity and other behaviours.

We review your child’s progress with you at about 1, 3, 6 and 12 months. Many families find it helpful to fill in the free ATEC checklist before treatment and again at each review, so changes are easy to see.

08

Is stem cell therapy for autism safe?

Your child’s safety guides every step. Before treatment, our medical team reviews your child’s history and assesses them in person. The intrathecal infusion is performed by experienced specialists under the supervision of Dr. Cihan Bolat, with light sedation so your child stays calm and comfortable, and your child is cared for in hospital throughout the treatment day. Families stay at least 3 nights in Istanbul, so our team can see your child before and after treatment.

The published safety record is reassuring:

  • A review of 39 studies of intrathecal mesenchymal stem cells in neurological conditions found no serious side effects from the procedure.24
  • In the 2022 autism meta-analysis, the rate of side effects with stem cells did not differ significantly from the comparison groups.7
  • A review of 361 people treated with donor cord blood cells for neurological conditions, including autism, found no serious side effects linked to the infusion.25
  • Across more than 50 randomised trials of MSCs in many conditions, the most common side effect was a short-lived fever.26
  • Nasal stem cell treatment was well tolerated even in newborn babies, in a first study in the Netherlands.23

In autism studies, the effects children had most often were a low fever, a mild headache or some back discomfort after the intrathecal procedure, which settled on their own or with simple medicine.45

09

What is the best age for stem cell therapy for autism?

  1. From age 2Treatment can startThe brain is developing fastest
  2. 2 to 12Best resultsWe see the strongest effects in children under 13
  3. 13 and olderAlso treatedTeenagers and adults, after a personal assessment

We treat children from the age of 2, while the brain is still developing quickly, and we see the best effects in children under 13. Published studies point the same way: in India, results were better in younger patients and in those treated sooner after diagnosis, and in Romania, children aged 3 to 7 improved most.131416 We also treat teenagers and adults: the largest study included patients up to the age of 31.14

10

Your child’s treatment in Istanbul, step by step

  1. Before you travelFree case reviewRecords reviewed; written plan and fixed price
  2. ArrivalAirport to hotelTransfer and hotel included
  3. Treatment dayOne day in hospitalIntrathecal + IV stem cells; IV + nasal exosomes
  4. Before you flyCheck and homeAt least 3 nights in Istanbul in total
  5. 1, 3, 6, 12 monthsFollow-upProgress reviewed with you
  1. Free case review (online)

    Send us your child’s reports and tell us about their development, therapies and your goals. Our medical team tells you what treatment could offer your child.

  2. Your plan and travel

    You receive a written plan with the dose for your child’s weight, the dates and the total price. We arrange your hotel and all ground transport, from the airport onwards.

  3. Treatment day in hospital

    Your child is assessed and then treated in one day: fresh Wharton’s jelly stem cells by intrathecal infusion under light sedation and by IV, Wharton’s jelly exosomes through the same drip, and exosome nasal sprays. Dr. Cihan Bolat supervises the day.

  4. Rest and check

    You stay at least 3 nights in Istanbul, so our team can see your child again before you fly home.

  5. At home

    Your child continues their usual therapies. We review progress with you at about 1, 3, 6 and 12 months.

Read more about the treatment process step by step.

11

How much does stem cell therapy for autism cost?

EUR 8,000–15,000 per complete treatment, hotel and ground transport included

The price depends mainly on your child’s weight, which sets the number of stem cells (1–2 million per kilogram), and on the amount of exosomes in the plan. The number of hotel nights depends on the package. Your plan states the total in writing before you travel, so you can travel without worrying about the details.

Included

  • Free medical case review and consultation
  • Fresh Wharton’s jelly stem cells and exosomes
  • Treatment day in hospital, with light sedation
  • All four routes: intrathecal, IV and nasal
  • Hotel stay (nights depend on the package)
  • Airport and daily transfers
  • Follow-up reviews

Not included

  • Flights

Optional

  • Extra exosome nasal sprays: USD 1,000 each, 5 billion Wharton’s jelly exosomes per spray

How our price compares

Advertised prices for stem cell therapy for autism, 2026
WhereAdvertised priceUsually included
United StatesMainly within clinical studiesTreatment within a study
MexicoAbout USD 5,000–10,500Treatment only
ThailandAbout USD 4,300–9,000Treatment only
SerbiaAbout EUR 7,000–19,000Treatment only
Other Istanbul hospitalsFrom about USD 7,500 per session to over USD 20,000 for several dosesTreatment only
Istanbul StemcellEUR 8,000–15,000Four routes in one day, hotel, airport and daily transfers, follow-up

Prices published by clinics and medical-travel websites, checked in October 2026. Most do not include hotel or transfers. Read about personalised autism treatment planning in Turkey.

12

Why Istanbul has become one of the best places for autism stem cell therapy

Morning view across the Bosphorus to the historic peninsula of Istanbul, with a ferry on the water
Istanbul, where Europe meets Asia.

Experience at scale

Turkey welcomed 1,398,580 international health tourists in 2025, bringing in USD 3.02 billion, and 302,487 more in the first quarter of 2026.30 Hospitals in Istanbul are used to caring for families from abroad.

Advanced treatment, available now

Fresh Wharton’s jelly stem cells and exosomes from a Ministry of Health-approved, GMP-certified laboratory, given by four routes in one hospital day.

Affordable and all-inclusive

Hospital, staff and living costs are lower than in Western Europe or the US. Our price of EUR 8,000–15,000 includes your hotel and all ground transport.

Easy to reach

Istanbul’s airports have direct flights from most cities in Europe, the Middle East and beyond, about 3 to 4 hours from most European capitals. Many nationalities can enter visa-free or with a quick e-Visa.

Istanbul is also a city families enjoy. Between treatment and check-up there is time for a calm walk along the Bosphorus. Learn why patients choose Turkey for stem cell therapy, or read about stem cell therapy for autism in Istanbul.

13

A new kind of clinic: centres that specialise only in autism

As more families look for cell therapy for their children, clinics have started to specialise only in stem cell-based autism treatment. A specialised clinic sees children with autism every day, so the routines, the communication and the whole treatment day are built around what autistic children and their parents need.

Our partner clinic

Autism Stem Care is our partner clinic in Istanbul, dedicated exclusively to stem cell-based autism treatment for children. It works with the same medical director, Dr. Cihan Bolat, uses the same combination of Wharton’s jelly stem cells and exosomes by intrathecal, IV and intranasal routes, and has the same prices as we do. Families can contact either clinic.

14

How to choose a stem cell clinic for autism

These are the questions families ask us most, with our answers. Ask every clinic you consider the same questions.

Questions to ask, and our answers
QuestionOur answer
Which cells, and are they fresh?Wharton’s jelly stem cells from screened donated cords, fresh and never frozen, with Wharton’s jelly exosomes
Is the laboratory licensed?Approved by the Turkish Ministry of Health and GMP-certified
Which routes, and who performs them?Intrathecal and IV stem cells, IV and nasal exosomes; intrathecal infusion by experienced specialists under light sedation, supervised by Dr. Cihan Bolat
What dose will my child receive?1–2 million cells per kilogram of body weight, stated in your written plan
Is the price fixed, and what does it include?EUR 8,000–15,000 in writing, including hotel, airport and daily transfers and follow-up; flights not included
What happens after we go home?Follow-up reviews at about 1, 3, 6 and 12 months

15

Frequently asked questions

Can stem cell therapy cure autism?

Stem cell therapy is not a cure for autism, and no clinic should promise one. Autism is a lifelong way of developing. What stem cell and exosome therapy aims for is calmer inflammation and better support for the developing brain, so a child can make more progress in communication, behaviour and everyday skills. In published studies, children improved on autism rating scales such as CARS after treatment, alongside their usual therapies.

Does stem cell therapy really work for autism?

Published studies report improvements after stem cell therapy. In a 2025 randomised trial, children who received intrathecal cells alongside education improved more on the CARS autism scale (5.9 points against 1.5) and on daily-living skills than children who had education alone. A 2022 meta-analysis of controlled studies found that CARS scores fell by about 6 points more with stem cells than without. Every child responds in their own way, which is why we assess each child first.

What is the success rate of stem cell therapy for autism?

There is no single success rate, because studies measure progress with different scales. In a Duke University study of umbilical cord tissue stem cells, 6 of 12 children improved on at least two autism measures. In the largest observational study, 1,011 patients treated in India with intrathecal cells and rehabilitation, 90.6% showed improvement on autism rating scales, and results were better after more than one dose and in younger patients.

How much does stem cell therapy for autism cost in Turkey?

With us, a complete treatment costs EUR 8,000–15,000. The package includes the medical consultation, the stem cells and exosomes, the treatment day in hospital, your hotel stay, airport and daily transfers, and follow-up reviews. Flights are not included. The price depends on your child's weight, which sets the cell dose, and on the amount of exosomes in the plan; the number of hotel nights depends on the package. Extra exosome nasal sprays cost USD 1,000 each, with 5 billion Wharton's jelly exosomes per spray.

Why is stem cell therapy cheaper in Istanbul than in the US or UK?

Prices in Istanbul are lower mainly because hospital, staff and living costs in Turkey are lower, not because of lower standards. Turkey also has a large health-tourism sector, with about 1.4 million international patients in 2025, so hospitals are used to looking after families from abroad. Our cells are prepared in a laboratory licensed by the Turkish Ministry of Health and certified to GMP standards.

Which country is best for stem cell therapy for autism?

Families usually compare the cell type, the routes offered, the experience of the medical team, the total price and the journey. In the United States and the European Union, stem cell therapy for autism is offered mainly within clinical studies. In Istanbul we give fresh Wharton's jelly stem cells and exosomes by four routes in one hospital day, at EUR 8,000–15,000 including hotel and transfers, a short flight from most of Europe and the Middle East.

Is intrathecal stem cell injection safe for children?

Intrathecal infusion uses a very fine needle in the lower back, the same route as a routine lumbar puncture. Your child receives light sedation, so they stay calm and comfortable, and the procedure is performed by experienced specialists under the supervision of Dr. Cihan Bolat. A review of 39 studies of intrathecal mesenchymal stem cells in neurological conditions found no serious side effects from the procedure. In autism studies the most common effects were a mild headache, back discomfort or a low fever, which settled on their own or with simple medicine.

What is the difference between stem cell therapy and exosome therapy for autism?

Stem cells are living cells that release signals which calm inflammation and support repair. Exosomes are those signals: tiny packages released by the cells, carrying proteins and genetic messages, with no living cells inside. Because exosomes are so small, they can be given as a nasal spray that uses the nose-to-brain pathway. That is why we combine both.

How do intranasal exosomes reach the brain?

At the top of the nose, the nerves of smell lead directly to the brain. In animal studies, cells and exosomes sprayed into the nose travelled along these pathways into the brain, and in mice with autism-like traits, labelled exosomes gathered in the affected brain regions and stayed there for up to four days.

What is the best age for stem cell therapy for autism?

We treat children from the age of 2, while the brain is still developing quickly, and we see the best results in children under 13. Published studies point the same way: several reported larger improvements in younger children. We also treat teenagers and adults.

Can adults with autism have stem cell therapy?

Yes. We see the best results in children under 13, but we also treat teenagers and adults after a personal assessment. Published studies have included older patients too: the largest study treated patients aged 3 to 31.

How many sessions of stem cell therapy does a child with autism need?

Our protocol gives all four routes in a single hospital day: intrathecal and IV stem cells, IV exosomes and intranasal exosomes. Extra exosome nasal sprays can be added to the plan. Whether a later treatment would help is something we discuss with you at follow-up, based on your child's progress.

How long does it take to see results after stem cell therapy for autism?

In studies, progress was measured from about 3 months after treatment, with results reported at 6 to 12 months. In the Duke University study of cord blood, most of the gains came within the first 6 months. We review your child's progress with you at about 1, 3, 6 and 12 months.

Is stem cell therapy for autism FDA approved?

No stem cell product is approved by the FDA or the European Medicines Agency for autism, and in the US and Europe treatment is offered mainly within clinical studies. In Istanbul, families can receive treatment now: we use cells from a laboratory licensed by the Turkish Ministry of Health and certified to GMP standards, given in hospital by experienced specialists.

Should my child continue ABA and speech therapy after treatment?

Yes. Stem cell therapy is given alongside your child's therapies, not instead of them. In the studies described on this page, children continued rehabilitation, education or behavioural therapy together with the cells.

How long do we need to stay in Istanbul?

The treatment itself takes one day in hospital. For your child's safety, families stay at least 3 nights in Istanbul, so our team can see your child before and after treatment. Your hotel and all ground transport are included in the package.

Uzm. Dr. Cihan Bolat

Medical review

Uzm. Dr. Cihan Bolat
Medical Director, Istanbul Stemcell

This article was written from the published studies listed below and reviewed for medical accuracy on . It is for information and does not replace advice from your child’s own doctor.

16

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