Exploring Hypnosis Research Studies: Evidence-Based Insights into Medical Hypnosis, Hypno Anaesthesia, and Pain Management

Hypnosis research has evolved dramatically from historical case reports to rigorous meta-analyses involving thousands of participants. Modern studies consistently demonstrate that medical hypnosis and hypno anaesthesia are effective, low-risk interventions for pain relief, surgical anxiety reduction, and improved perioperative outcomes. Below is a clear, evidence-driven exploration of the most impactful research, focusing on clinical applications relevant to pain management, surgery, and anaesthesia alternatives.

These findings underscore why specialists like Dr. John Souglides Ph.D. with his integrated approach combining hypnosis, holistic life coaching, transpersonal counselling, and metaphysics, can deliver transformative results for patients facing phobias, allergies to anaesthesia, surgical anxiety, or chronic pain.

Landmark Meta-Analyses on Hypnosis for Pain Relief

One of the most cited studies is the 2019 systematic review and meta-analysis by Thompson et al., which examined 85 controlled experimental trials involving 3,632 participants.2730 Using random-effects modeling, hypnosis produced moderate-to-large analgesic effects across all pain outcomes (Hedges’ g = 0.54–0.76, all p < .001). Crucially, efficacy depended on hypnotic suggestibility and the use of direct analgesic suggestions:

• High suggestibles experienced a 42% clinically meaningful pain reduction.
• Medium suggestibles achieved a 29% reduction.
• Low suggestibles showed minimal benefits.

This aligns perfectly with real-world clinical use of hypno anaesthesia, where tailored suggestions (e.g., glove anaesthesia or pain dials) create profound numbness without drugs. The authors concluded hypnosis offers a safe, effective alternative to pharmaceuticals, though they called for more high-quality chronic pain trials.

Building on this, Jones et al. (2024) conducted a comprehensive systematic review and meta-analysis of adjunctive hypnosis for clinical pain, pooling 70 studies with 6,078 participants.2231 Key findings:

• Hypnosis + usual care: Small additional pain reduction in chronic pain (MD −8.2 on 0–100 scale), medical/surgical procedures (−6.9), and burn wound care (−8.8).
• Hypnosis + education: Medium effect for chronic pain (MD −11.5).
• Hypnosis + medicines: Medium effect for chronic pain (MD −13.2).

Benefits extended to reduced medication use, anxiety, and nausea in surgical contexts. Evidence certainty was rated low-to-very low due to heterogeneity, but results remain clinically meaningful—especially for patients seeking opioid-sparing options.

A 2025 meta-analysis by Yerzhan et al. further differentiated acute vs. chronic pain: medical hypnosis significantly reduced acute perioperative pain (Hedges’ g = −0.54) and opioid equivalents (g = −1.5), but showed no significant effect on chronic pain alone (g = −0.07).32

Hypnosis in Surgical and Anaesthesia Settings

Montgomery et al.’s meta-analysis of 20 well-controlled studies (1,624 surgical patients) found adjunctive hypnosis produced a large overall effect size (D = 1.20). Patients receiving hypnosis had better outcomes than 89% of controls across pain, anxiety, medication consumption, recovery time, and procedure duration.1415

Recent work by Lahoud et al. (2025 systematic review and meta-analysis) specifically targeted hypnosis for anaesthetists:

• Pre-intervention hypnosis: Reduced post-procedure pain (MD −0.88 cm on VAS) and anxiety (SMD −0.76).
• Per-intervention hypnosis: Lowered pain during the procedure (MD −1.14 cm), post-procedure anxiety (SMD −0.44), and postoperative nausea/vomiting risk (RR 0.43).1013

Tefikow et al. (2013, updated in later reviews) analyzed randomized trials of hypnosis in adults undergoing surgery or medical procedures. Small-to-medium effects emerged for emotional distress (g = 0.53), pain (g = 0.44), medication use (g = 0.38), recovery (g = 0.25), and even shorter procedure times (g = 0.25).11

Neuroimaging and physiological studies reinforce these outcomes. Hypnosis reduces activity in pain-processing brain areas (anterior cingulate cortex, insula, thalamus) while enhancing prefrontal control. Experimental research on hypnotic anaesthesia shows altered nerve conduction velocity and endogenous opioid modulation in some cases, explaining the “numbness” patients report.2

Specialized Applications and Populations

• Cancer pain: A 2025 systematic review of six studies (including RCTs and a meta-analysis) confirmed hypnosis effectively manages cancer-related pain.28
• Chronic conditions (fibromyalgia, IBS): Moderate effects on pain intensity and quality of life, with added benefits for sleep and mood.34
• Paediatrics and special needs: Children often show stronger responses; hypnosis reduces distress in procedures where traditional anaesthesia is risky.
• Anaesthesia allergies/phobias: Hypno anaesthesia serves as a primary or adjunct method, historically validated by 19th-century surgeon James Esdaile’s low-mortality operations under mesmerism. Modern trials confirm safety and efficacy for minor-to-major procedures.

A 2025 narrative review by Khalid et al. highlighted hypnosis across surgery, orthopaedics, urology, obstetrics, and oncology, noting reduced opioid use, faster recovery, and high patient satisfaction, yet barriers like provider training gaps persist.

Mechanisms: Science Meets Metaphysics

Research shows hypnosis works via:

• Neurophysiological pathways: Dissociation of sensory pain from emotional suffering.
• Psychological reprogramming: Replacing limiting beliefs (“Pain is inevitable”) with empowering ones (“My body heals effortlessly”).
• Autonomic and immune modulation: Reduced stress markers, lower inflammation, faster wound healing.

Dr. John Souglides’ transpersonal and metaphysical framework enhances these effects by addressing energetic and soul-level patterns, aligning subconscious reprogramming with higher-self wisdom for deeper, lasting change.

Limitations and Future Directions

Evidence quality varies; many studies note high heterogeneity and call for larger, standardized RCTs. Chronic pain benefits are smaller than acute/procedural ones, and individual suggestibility matters. However, adverse events are extremely rare (near zero serious events in large analyses), making hypnosis one of the safest adjuncts available.

Ongoing trials explore virtual reality + hypnosis, self-hypnosis training for long-term empowerment, and integration into standard anaesthesia protocols.

Why Specialist Expertise Matters

Generic relaxation differs markedly from clinical hypno anaesthesia. The robust evidence above, spanning decades and thousands of patients—highlights the need for practitioners trained in medical hypnosis protocols, suggestibility assessment, and integrative techniques. Dr. Souglides’ decades of specialized experience in hypno anaesthesia, phobia release, surgical preparation, and subconscious reprogramming position him to translate this research into personalized, metaphysically enriched outcomes.

The Course

Dr. John Souglides is licensed by the International Medical and Dental Hypnotherapy Association to teach their module which is part of the IMDHA courses. I may also incorporate other modalities within the sessions if required, dependent on the specific issue presented.

The course is offered to those wishing to pursue working with pain control privately for their own purpose or to integrate it within their own professional line of work i.e. paramedics, nurses, dentists, surgeons, VIP/security  protection services. Those will illnesses and those with pain, to accompany their medication or choose to rather move into the alternative approach of pain management, those who are allergic to aesthetic.

Medical hypnosis has been gaining its popularity for the last few decades.

Topics covered:

1. Medical Hypnosis.
2. Alternatives to AD/HD.
3. Beyond Ritalin.
4. Increasing health, vitality repairing.
5. Changing pains.
6. About pain.
7. Pain release programs.
8. The psychology of pain.
9. Hypnoanaesthesia and Pain Management.
10. Mind over matter using your mind to overcome.
11. Working with your client, getting them to work with you.
12. Emotional pain versus physical pain versus mental pain connection.
13. Holding on letting go.
14. Why hold on.
15. Scripts for:
    • Releasing aches and pains.
    • Getting rid of pain.
    • Relieving cancer pain.
    • Dr Esdaile state.
    • Glove Anaesthesia.
    • Painless child birth.
    • Addiction.

Medical hypnosis (therapeutic hypnosis) involves guided focus and suggestion to manage pain, anxiety, and other symptoms in medical settings. Hypnoanaesthesia (or hypnosedation/hypnoanalgesia) specifically uses hypnosis—often combined with local anaesthesia, as an alternative or adjunct to traditional general anaesthesia or opioids for surgery and procedures.

Scientific evidence from multiple meta-analyses and randomized controlled trials (RCTs) supports its efficacy for reducing pain, anxiety, medication use, and postoperative issues, though results vary by patient hypnotizability (stronger effects in highly suggestible individuals) and timing (pre-, peri-, or post-procedure). It is considered safe, evidence-based, and neurobiologically grounded, but it remains underutilized compared to other complementary therapies.

Popularity and Adoption

Public and clinical interest in medical hypnosis has grown, driven by demand for non-pharmacological options, especially for pain and anxiety management.

1. A 2023 U.S. national survey found ~7.6% of adults had undergone hypnosis treatment (with ~63% reporting benefit), 39.6% held a positive view, and 54.9% of those without prior experience would consider it for health issues.
2. The global hypnotherapy market (broader than medical use) was valued at ~USD 12.16 billion in 2023 and is projected to reach USD 80.76 billion by 2030 (CAGR 31.3%), fueled by hospital/clinic integration for stress, pain, and perioperative care.
3. Hospitals increasingly adopt it: e.g., French centers routinely use hypnosedation for cancer surgeries; Belgian teams have performed >12,000 cases since 1992. It appears in some NICE guidelines and is endorsed by many midwives/obstetricians for labor. However, surveys show it lags behind other CAM therapies in routine medical use due to limited awareness and training.

Key Scientific Reports and Evidence

High-quality reviews (many on PubMed/PMC) consistently show benefits, especially as an adjunct:

1. 2025 systematic review/meta-analysis (Lahoud et al.) — Largest to date for anaesthesia contexts: 142 studies, 9,238 patients. Pre-procedure hypnosis reduced post-procedure pain (mean difference -0.88 cm on VAS) and anxiety (SMD -0.76). During-procedure hypnosis reduced intra-procedure pain (-1.14 cm), post-anxiety (SMD -0.44), and postoperative nausea/vomiting (RR 0.43). No major safety issues. Full report: https://pmc.ncbi.nlm.nih.gov/articles/PMC12747654/ (or journal version: https://associationofanaesthetists-publications.onlinelibrary.wiley.com/doi/abs/10.1111/anae.70013).
2. 2019 meta-analysis (Thompson et al.) — 85 experimental pain trials (3,632 participants). Hypnosis achieved clinically meaningful pain relief (42% reduction in high-suggestible people, 29% in medium), especially with direct analgesic suggestions—positioning it as a safe alternative to drugs.Link: https://www.sciencedirect.com/science/article/abs/pii/S0149763418304913.
3. 2021/updated meta-analysis (Holler et al.) — 50 RCTs (4,269 patients) on hypnosis in surgery. Positive effects on mental distress (g=0.55), pain (g=0.37), medication use (g=0.46), recovery (g=0.26), and procedure time (g=0.23).
4. 2025 meta-analysis (Yerzhan et al.) — Medical hypnosis significantly reduced acute perioperative pain (0.54 SD) and opioid equivalents (1.5 SD lower) vs. standard care; no significant effect on chronic pain. Link: https://pmc.ncbi.nlm.nih.gov/articles/PMC12250368/.
5. Earlier foundational work: Montgomery et al. (2002) meta-analysis of 20 RCTs showed adjunctive hypnosis improved outcomes in 89% of surgical patients vs. controls.

Additional reviews confirm benefits for procedural pain in children, labor, burns, and IBS, with hypnosis often equalling or outperforming distraction or standard care.

Breakthroughs in Hypnoanaesthesia

Hypnosis was historically the primary “anaesthesia” before chemical agents (e.g., 19th-century surgeries by James Esdaile). Modern breakthroughs revive it as a drug-sparing alternative:

1. 2023 landmark RCT (Sola et al., France) — First randomized trial comparing hypnosis (with local anaesthesia) vs. general anesthesia in 60 children (ages 7–16) for superficial surgery. Hypnosis was successful in 59/60 cases, shortened hospital stay (120 vs. 240 min), reduced preoperative anxiety in children/parents, with comparable pain scores and no negative behavioral changes. Described as feasible, safe, and supportive of rapid recovery.
2. Hypnosedation in major surgeries — Belgian/French teams (e.g., Institut Curie) performed 150+ cancer surgeries (thyroidectomy, mastectomy) using hypnosis + local anaesthesia (2011–2017 data): 99% success; only 1–2% converted to general anaesthesia. Benefits: lower opioid use, fewer side effects (nausea, fatigue, cognitive issues), faster healing/recovery, and suitability for high-risk patients (e.g., elderly or those with chemical sensitivities). One-third of thyroidectomies at some centres now use this approach.
3. Neuroscientific support: Hypnosis modulates pain networks (prefrontal cortex, anterior cingulate, insula) differently from placebo, enabling surgical-level analgesia in responsive patients.

Limitations noted across reviews: Heterogeneity in studies, variable patient suggestibility, and need for more high-quality RCTs in specific populations. It works best as an adjunct or for selected procedures, a specialist in this field is able to work with severe procedures.

In summary, the research is clear: medical hypnosis and hypno anaesthesia are not fringe, they are evidence-based tools that reduce pain, anxiety, medication needs, and recovery time while empowering profound mind-body transformation. For patients allergic to anaesthesia, fearful of surgery, or seeking holistic alternatives, these studies affirm a powerful, drug-free path forward.

If you’re exploring hypnosis for your own journey, consult a true specialist. The science supports it, and the metaphysical depth can elevate it to true healing.